Merge branch 'master' into release_add_repo_argument

.drone.yml

@@ -0,0 +1,186 @@
+workspace:
+  base: /go
+  path: src/code.gitea.io/tea
+
+clone:
+  git:
+    image: plugins/git:next
+    depth: 50
+    tags: true
+
+pipeline:
+  build:
+    image: golang:1.12
+    pull: true
+    commands:
+      - make clean
+      - make vet
+      - make lint
+      - make fmt-check
+      - make misspell-check
+      - make test-vendor
+      - make build
+    when:
+      event: [ push, tag, pull_request ]
+
+  unit-test:
+    image: golang:1.12
+    pull: true
+    group: test
+    commands:
+      - make unit-test-coverage
+    when:
+      event: [ push, pull_request ]
+      branch: [ master ]
+
+  release-test:
+    image: golang:1.12
+    pull: true
+    group: test
+    commands:
+      - make test
+    when:
+      event: [ push, pull_request ]
+      branch: [ release/* ]
+
+  tag-test:
+    image: golang:1.12
+    pull: true
+    group: test
+    commands:
+      - make test
+    when:
+      event: [ tag ]
+
+  generate-coverage:
+    image: golang:1.12
+    pull: true
+    environment:
+      TAGS: bindata
+    commands:
+      - make coverage
+    when:
+      event: [ push, pull_request ]
+      branch: [ master ]
+
+  coverage:
+    image: robertstettner/drone-codecov
+    secrets: [ codecov_token ]
+    files:
+      - coverage.all
+    when:
+      event: [ push, pull_request ]
+      branch: [ master ]
+
+  static:
+    image: techknowlogick/xgo:latest
+    pull: true
+    commands:
+      - export PATH=$PATH:$GOPATH/bin
+      - make release
+    when:
+      event: [ push, tag ]
+
+
+  docker-dryrun:
+    image: plugins/docker:17.12
+    pull: true
+    repo: gitea/tea
+    cache_from: gitea/tea
+    dry_run: true
+    when:
+      event: [ pull_request ]
+
+  release-docker:
+    image: plugins/docker:17.12
+    pull: true
+    secrets: [ docker_username, docker_password ]
+    repo: gitea/tea
+    tags: [ '${DRONE_BRANCH##release/v}' ]
+    cache_from: gitea/tea
+    when:
+      event: [ push ]
+      branch: [ release/* ]
+
+  docker:
+    image: plugins/docker:17.12
+    secrets: [ docker_username, docker_password ]
+    pull: true
+    repo: gitea/tea
+    cache_from: gitea/tea
+    default_tags: true
+    when:
+      event: [ push, tag ]
+
+  gpg-sign:
+    image: plugins/gpgsign:1
+    pull: true
+    secrets: [ gpgsign_key, gpgsign_passphrase ]
+    detach_sign: true
+    files:
+      - dist/release/*
+    excludes:
+      - dist/release/*.sha256
+    when:
+      event: [ push, tag ]
+
+  tag-release:
+    image: plugins/s3:1
+    pull: true
+    secrets: [ aws_access_key_id, aws_secret_access_key ]
+    bucket: releases
+    acl: public-read
+    endpoint: https://storage.gitea.io
+    path_style: true
+    strip_prefix: dist/release/
+    source: dist/release/*
+    target: /tea/${DRONE_TAG##v}
+    when:
+      event: [ tag ]
+
+  release-branch-release:
+    image: plugins/s3:1
+    pull: true
+    secrets: [ aws_access_key_id, aws_secret_access_key ]
+    bucket: releases
+    acl: public-read
+    endpoint: https://storage.gitea.io
+    path_style: true
+    strip_prefix: dist/release/
+    source: dist/release/*
+    target: /tea/${DRONE_BRANCH##release/v}
+    when:
+      event: [ push ]
+      branch: [ release/* ]
+
+  release:
+    image: plugins/s3:1
+    pull: true
+    secrets: [ aws_access_key_id, aws_secret_access_key ]
+    bucket: releases
+    acl: public-read
+    endpoint: https://storage.gitea.io
+    path_style: true
+    strip_prefix: dist/release/
+    source: dist/release/*
+    target: /tea/master
+    when:
+      event: [ push ]
+      branch: [ master ]
+
+  github:
+    image: plugins/github-release:1
+    pull: true
+    secrets: [ github_token ]
+    files:
+      - dist/release/*
+    when:
+      event: [ tag ]
+
+  discord:
+    image: appleboy/drone-discord:1.0.0
+    pull: true
+    secrets: [ discord_webhook_id, discord_webhook_token ]
+    when:
+      event: [ push, tag, pull_request ]
+      status: [ changed, failure ]

.revive.toml

@@ -0,0 +1,25 @@
+ignoreGeneratedHeader = false
+severity = "warning"
+confidence = 0.8
+errorCode = 1
+warningCode = 1
+
+[rule.blank-imports]
+[rule.context-as-argument]
+[rule.context-keys-type]
+[rule.dot-imports]
+[rule.error-return]
+[rule.error-strings]
+[rule.error-naming]
+[rule.exported]
+[rule.if-return]
+[rule.increment-decrement]
+[rule.var-naming]
+[rule.var-declaration]
+[rule.package-comments]
+[rule.range]
+[rule.receiver-naming]
+[rule.time-naming]
+[rule.unexported-return]
+[rule.indent-error-flow]
+[rule.errorf]

Makefile

@@ -0,0 +1,197 @@
+DIST := dist
+IMPORT := code.gitea.io/tea
+export GO111MODULE=off
+
+GO ?= go
+SED_INPLACE := sed -i
+SHASUM ?= shasum -a 256
+
+export PATH := $($(GO) env GOPATH)/bin:$(PATH)
+
+ifeq ($(OS), Windows_NT)
+	EXECUTABLE := tea.exe
+else
+	EXECUTABLE := tea
+	UNAME_S := $(shell uname -s)
+	ifeq ($(UNAME_S),Darwin)
+		SED_INPLACE := sed -i ''
+	endif
+endif
+
+GOFILES := $(shell find . -name "*.go" -type f ! -path "./vendor/*" ! -path "*/bindata.go")
+GOFMT ?= gofmt -s
+
+GOFLAGS := -i -v
+EXTRA_GOFLAGS ?=
+
+MAKE_VERSION := $(shell make -v | head -n 1)
+
+ifneq ($(DRONE_TAG),)
+	VERSION ?= $(subst v,,$(DRONE_TAG))
+	GITEA_VERSION ?= $(VERSION)
+else
+	ifneq ($(DRONE_BRANCH),)
+		VERSION ?= $(subst release/v,,$(DRONE_BRANCH))
+	else
+		VERSION ?= master
+	endif
+	GITEA_VERSION ?= $(shell git describe --tags --always | sed 's/-/+/' | sed 's/^v//')
+endif
+
+LDFLAGS := -X "main.MakeVersion=$(MAKE_VERSION)" -X "main.Version=$(GITEA_VERSION)" -X "main.Tags=$(TAGS)"
+
+PACKAGES ?= $(filter-out code.gitea.io/gitea/integrations/migration-test,$(filter-out code.gitea.io/gitea/integrations,$(shell $(GO) list ./... | grep -v /vendor/)))
+SOURCES ?= $(shell find . -name "*.go" -type f)
+
+TAGS ?=
+
+TMPDIR := $(shell mktemp -d 2>/dev/null || mktemp -d -t 'gitea-temp')
+
+ifeq ($(OS), Windows_NT)
+	EXECUTABLE := tea.exe
+else
+	EXECUTABLE := tea
+endif
+
+# $(call strip-suffix,filename)
+strip-suffix = $(firstword $(subst ., ,$(1)))
+
+.PHONY: all
+all: build
+
+.PHONY: clean
+clean:
+	$(GO) clean -i ./...
+	rm -rf $(EXECUTABLE) $(DIST) $(BINDATA)
+
+.PHONY: fmt
+fmt:
+	$(GOFMT) -w $(GOFILES)
+
+.PHONY: vet
+vet:
+	$(GO) vet $(PACKAGES)
+
+.PHONY: errcheck
+errcheck:
+	@hash errcheck > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GO) get -u github.com/kisielk/errcheck; \
+	fi
+	errcheck $(PACKAGES)
+
+.PHONY: lint
+lint:
+	@hash revive > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GO) get -u github.com/mgechev/revive; \
+	fi
+	revive -config .revive.toml -exclude=./vendor/... ./... || exit 1
+
+.PHONY: misspell-check
+misspell-check:
+	@hash misspell > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GO) get -u github.com/client9/misspell/cmd/misspell; \
+	fi
+	misspell -error -i unknwon,destory $(GOFILES)
+
+.PHONY: misspell
+misspell:
+	@hash misspell > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GO) get -u github.com/client9/misspell/cmd/misspell; \
+	fi
+	misspell -w -i unknwon $(GOFILES)
+
+.PHONY: fmt-check
+fmt-check:
+	# get all go files and run go fmt on them
+	@diff=$$($(GOFMT) -d $(GOFILES)); \
+	if [ -n "$$diff" ]; then \
+		echo "Please run 'make fmt' and commit the result:"; \
+		echo "$${diff}"; \
+		exit 1; \
+	fi;
+
+.PHONY: test
+test:
+	GO111MODULE=on $(GO) test -mod=vendor -tags='sqlite sqlite_unlock_notify' $(PACKAGES)
+
+.PHONY: coverage
+coverage:
+	@hash gocovmerge > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GO) get -u github.com/wadey/gocovmerge; \
+	fi
+	gocovmerge integration.coverage.out $(shell find . -type f -name "coverage.out") > coverage.all;\
+
+.PHONY: unit-test-coverage
+unit-test-coverage:
+	$(GO) test -tags='sqlite sqlite_unlock_notify' -cover -coverprofile coverage.out $(PACKAGES) && echo "\n==>\033[32m Ok\033[m\n" || exit 1
+
+.PHONY: vendor
+vendor:
+	GO111MODULE=on $(GO) mod tidy && GO111MODULE=on $(GO) mod vendor
+
+.PHONY: test-vendor
+test-vendor: vendor
+	@diff=$$(git diff vendor/); \
+	if [ -n "$$diff" ]; then \
+		echo "Please run 'make vendor' and commit the result:"; \
+		echo "$${diff}"; \
+		exit 1; \
+	fi;
+
+.PHONY: check
+check: test
+
+.PHONY: install
+install: $(wildcard *.go)
+	$(GO) install -v -tags '$(TAGS)' -ldflags '-s -w $(LDFLAGS)'
+
+.PHONY: build
+build: $(EXECUTABLE)
+
+$(EXECUTABLE): $(SOURCES)
+	GO111MODULE=on $(GO) build -mod=vendor $(GOFLAGS) $(EXTRA_GOFLAGS) -tags '$(TAGS)' -ldflags '-s -w $(LDFLAGS)' -o $@
+
+.PHONY: release
+release: release-dirs release-windows release-linux release-darwin release-copy release-compress release-check
+
+.PHONY: release-dirs
+release-dirs:
+	mkdir -p $(DIST)/binaries $(DIST)/release
+
+.PHONY: release-windows
+release-windows:
+	@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GO) get -u src.techknowlogick.com/xgo; \
+	fi
+	xgo -dest $(DIST)/binaries -tags 'netgo $(TAGS)' -ldflags '-linkmode external -extldflags "-static" $(LDFLAGS)' -targets 'windows/*' -out gitea-$(VERSION) .
+ifeq ($(CI),drone)
+	cp /build/* $(DIST)/binaries
+endif
+
+.PHONY: release-linux
+release-linux:
+	@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GO) get -u src.techknowlogick.com/xgo; \
+	fi
+	xgo -dest $(DIST)/binaries -tags 'netgo $(TAGS)' -ldflags '-linkmode external -extldflags "-static" $(LDFLAGS)' -targets 'linux/*' -out gitea-$(VERSION) .
+ifeq ($(CI),drone)
+	cp /build/* $(DIST)/binaries
+endif
+
+.PHONY: release-darwin
+release-darwin:
+	@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GO) get -u src.techknowlogick.com/xgo; \
+	fi
+	xgo -dest $(DIST)/binaries -tags 'netgo $(TAGS)' -ldflags '$(LDFLAGS)' -targets 'darwin/*' -out gitea-$(VERSION) .
+ifeq ($(CI),drone)
+	cp /build/* $(DIST)/binaries
+endif
+
+.PHONY: release-copy
+release-copy:
+	cd $(DIST); for file in `find /build -type f -name "*"`; do cp $${file} ./release/; done;
+
+.PHONY: release-check
+release-check:
+	cd $(DIST)/release/; for file in `find . -type f -name "*"`; do echo "checksumming $${file}" && $(SHASUM) `echo $${file} | sed 's/^..//'` > $${file}.sha256; done;

README.md

@@ -7,6 +7,7 @@ the Gitea API implementation.
 Currently no prebuilt binaries are provided.
 To install, a Go installation is needed.
 ```sh
+go get code.gitea.io/tea
 go install code.gitea.io/tea
 ```
 
@@ -30,6 +31,15 @@ tea releases
 
 > If you are inside a git repository hosted on a gitea instance, you don't need to specify the `--login` and `--repo` flags!
 
+## Compilation
+
+To compile the sources yourself run the following:
+```sh
+go get code.gitea.io/tea
+cd "${GOPATH}/src/code.gitea.io/tea"
+go build
+```
+
 ## Contributing
 
 Fork -> Patch -> Push -> Pull Request

cmd/config.go

@@ -17,14 +17,15 @@ import (
 	"path/filepath"
 	"strings"
 
-	"code.gitea.io/git"
 	"code.gitea.io/sdk/gitea"
 	local_git "code.gitea.io/tea/modules/git"
 	"code.gitea.io/tea/modules/utils"
+	git_config "gopkg.in/src-d/go-git.v4/config"
 
 	"github.com/go-gitea/yaml"
 )
 
+// Login represents a login to a gitea server, you even could add multiple logins for one gitea server
 type Login struct {
 	Name     string `yaml:"name"`
 	URL      string `yaml:"url"`
@@ -34,6 +35,7 @@ type Login struct {
 	Insecure bool   `yaml:"insecure"`
 }
 
+// Client returns a client to operate Gitea API
 func (l *Login) Client() *gitea.Client {
 	client := gitea.NewClient(l.URL, l.Token)
 	if l.Insecure {
@@ -49,6 +51,7 @@ func (l *Login) Client() *gitea.Client {
 	return client
 }
 
+// GetSSHHost returns SSH host name
 func (l *Login) GetSSHHost() string {
 	if l.SSHHost != "" {
 		return l.SSHHost
@@ -62,6 +65,7 @@ func (l *Login) GetSSHHost() string {
 	return u.Hostname()
 }
 
+// Config reprensents local configurations
 type Config struct {
 	Logins []Login `yaml:"logins"`
 }
@@ -183,30 +187,38 @@ func saveConfig(ymlPath string) error {
 }
 
 func curGitRepoPath() (*Login, string, error) {
-	cmd := git.NewCommand("remote", "get-url", "origin")
+	gitConfig := git_config.NewConfig()
-	u, err := cmd.RunInDir(filepath.Dir(os.Args[0]))
+	bs, err := ioutil.ReadFile(filepath.Join(filepath.Dir(os.Args[0]), ".git", "config"))
-	if err != nil || len(u) == 0 {
+	if err != nil {
-		return nil, "", errors.New("You have to indicate a repo or execute the command in a repo")
+		return nil, "", err
+	}
+	if err := gitConfig.Unmarshal(bs); err != nil {
+		return nil, "", err
+	}
+	remoteConfig, ok := gitConfig.Remotes["origin"]
+	if !ok || remoteConfig == nil {
+		return nil, "", errors.New("No remote origin found on this git repository")
 	}
 
+	for _, l := range config.Logins {
+		for _, u := range remoteConfig.URLs {
 			p, err := local_git.ParseURL(strings.TrimSpace(u))
 			if err != nil {
 				return nil, "", fmt.Errorf("Git remote URL parse failed: %s", err.Error())
 			}
-
+			if strings.EqualFold(p.Scheme, "http") || strings.EqualFold(p.Scheme, "https") {
-	for _, l := range config.Logins {
-		if p.Scheme == "http" || p.Scheme == "https" {
 				if strings.HasPrefix(u, l.URL) {
 					ps := strings.Split(p.Path, "/")
 					path := strings.Join(ps[len(ps)-2:], "/")
 					return &l, strings.TrimSuffix(path, ".git"), nil
 				}
-		} else if p.Scheme == "ssh" {
+			} else if strings.EqualFold(p.Scheme, "ssh") {
 				if l.GetSSHHost() == p.Host {
 					return &l, strings.TrimLeft(strings.TrimSuffix(p.Path, ".git"), "/"), nil
 				}
 			}
 		}
+	}
 
 	return nil, "", errors.New("No Gitea login found")
 }

cmd/issues.go

@@ -38,6 +38,7 @@ var CmdIssues = cli.Command{
 	},
 }
 
+// CmdIssuesList represents a sub command of issues to list issues
 var CmdIssuesList = cli.Command{
 	Name:        "ls",
 	Usage:       "List issues of the repository",
@@ -106,6 +107,7 @@ func runIssuesList(ctx *cli.Context) error {
 	return nil
 }
 
+// CmdIssuesCreate represents a sub command of issues to create issue
 var CmdIssuesCreate = cli.Command{
 	Name:        "create",
 	Usage:       "Create an issue on repository",

cmd/pulls.go

@@ -49,6 +49,9 @@ func runPulls(ctx *cli.Context) error {
 	}
 
 	for _, pr := range prs {
+		if pr == nil {
+			continue
+		}
 		name := pr.Poster.FullName
 		if len(name) == 0 {
 			name = pr.Poster.UserName

cmd/releases.go

@@ -59,6 +59,7 @@ func runReleases(ctx *cli.Context) error {
 	return nil
 }
 
+// CmdReleaseCreate represents a sub command of Release to create release.
 var CmdReleaseCreate = cli.Command{
 	Name:        "create",
 	Usage:       "Create a release in repository",

go.mod

@@ -0,0 +1,11 @@
+module code.gitea.io/tea
+
+go 1.12
+
+require (
+	code.gitea.io/sdk v0.0.0-20190424055801-13a7bf625b83
+	github.com/go-gitea/yaml v0.0.0-20170812160011-eb3733d160e7
+	github.com/urfave/cli v1.20.0
+	gopkg.in/src-d/go-git.v4 v4.11.0
+	gopkg.in/yaml.v2 v2.2.2 // indirect
+)

go.sum

@@ -0,0 +1,66 @@
+code.gitea.io/sdk v0.0.0-20190424055801-13a7bf625b83 h1:wrdvJESj8NgPL4tDGNHGAIDOe/rFE8+gIGDwsvC6MuE=
+code.gitea.io/sdk v0.0.0-20190424055801-13a7bf625b83/go.mod h1:5bZt0dRznpn2JysytQnV0yCru3FwDv9O5G91jo+lDAk=
+github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7 h1:uSoVVbwJiQipAclBbw+8quDsfcvFjOpI5iCf4p/cqCs=
+github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7/go.mod h1:6zEj6s6u/ghQa61ZWa/C2Aw3RkjiTBOix7dkqa1VLIs=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/emirpasic/gods v1.9.0 h1:rUF4PuzEjMChMiNsVjdI+SyLu7rEqpQ5reNFnhC7oFo=
+github.com/emirpasic/gods v1.9.0/go.mod h1:YfzfFFoVP/catgzJb4IKIqXjX78Ha8FMSDh3ymbK86o=
+github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 h1:BHsljHzVlRcyQhjrss6TZTdY2VfCqZPbv5k3iBFa2ZQ=
+github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
+github.com/gliderlabs/ssh v0.1.1 h1:j3L6gSLQalDETeEg/Jg0mGY0/y/N6zI2xX1978P0Uqw=
+github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
+github.com/go-gitea/yaml v0.0.0-20170812160011-eb3733d160e7 h1:/FEVbfrJ50yBk73Lyq1oCZ4VaCc0g1xd9xLHjz+Znf8=
+github.com/go-gitea/yaml v0.0.0-20170812160011-eb3733d160e7/go.mod h1:WjJPyqjAk/UMv+Fk/ZRjEOh5SXszSALnSzKqICd7pNg=
+github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
+github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A=
+github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo=
+github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
+github.com/kevinburke/ssh_config v0.0.0-20180830205328-81db2a75821e h1:RgQk53JHp/Cjunrr1WlsXSZpqXn+uREuHvUVcK82CV8=
+github.com/kevinburke/ssh_config v0.0.0-20180830205328-81db2a75821e/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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+github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
+github.com/pelletier/go-buffruneio v0.2.0 h1:U4t4R6YkofJ5xHm3dJzuRpPZ0mr5MMCoAWooScCR7aA=
+github.com/pelletier/go-buffruneio v0.2.0/go.mod h1:JkE26KsDizTr40EUHkXVtNPvgGtbSNq5BcowyYOWdKo=
+github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
+github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
+github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
+github.com/src-d/gcfg v1.4.0 h1:xXbNR5AlLSA315x2UO+fTSSAXCDf+Ar38/6oyGbDKQ4=
+github.com/src-d/gcfg v1.4.0/go.mod h1:p/UMsR43ujA89BJY9duynAwIpvqEujIH/jFlfL7jWoI=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/urfave/cli v1.20.0 h1:fDqGv3UG/4jbVl/QkFwEdddtEDjh/5Ov6X+0B/3bPaw=
+github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
+github.com/xanzy/ssh-agent v0.2.0 h1:Adglfbi5p9Z0BmK2oKU9nTG+zKfniSfnaMYB+ULd+Ro=
+github.com/xanzy/ssh-agent v0.2.0/go.mod h1:0NyE30eGUDliuLEHJgYte/zncp2zdTStcOnWhgSqHD8=
+golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 h1:u+LnwYTOOW7Ukr/fppxEb1Nwz0AtPflrblfvUudpo+I=
+golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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+golang.org/x/sys v0.0.0-20180903190138-2b024373dcd9 h1:lkiLiLBHGoH3XnqSLUIaBsilGMUjI+Uy2Xu2JLUtTas=
+golang.org/x/sys v0.0.0-20180903190138-2b024373dcd9/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/src-d/go-billy.v4 v4.2.1 h1:omN5CrMrMcQ+4I8bJ0wEhOBPanIRWzFC953IiXKdYzo=
+gopkg.in/src-d/go-billy.v4 v4.2.1/go.mod h1:tm33zBoOwxjYHZIE+OV8bxTWFMJLrconzFMd38aARFk=
+gopkg.in/src-d/go-git-fixtures.v3 v3.1.1 h1:XWW/s5W18RaJpmo1l0IYGqXKuJITWRFuA45iOf1dKJs=
+gopkg.in/src-d/go-git-fixtures.v3 v3.1.1/go.mod h1:dLBcvytrw/TYZsNTWCnkNF2DSIlzWYqTe3rJR56Ac7g=
+gopkg.in/src-d/go-git.v4 v4.11.0 h1:cJwWgJ0DXifrNrXM6RGN1Y2yR60Rr1zQ9Q5DX5S9qgU=
+gopkg.in/src-d/go-git.v4 v4.11.0/go.mod h1:Vtut8izDyrM8BUVQnzJ+YvmNcem2J89EmfZYCkLokZk=
+gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

modules/git/url.go

@@ -10,9 +10,11 @@ var (
 	protocolRe = regexp.MustCompile("^[a-zA-Z_+-]+://")
 )
 
+// URLParser represents a git URL parser
 type URLParser struct {
 }
 
+// Parse parses the git URL
 func (p *URLParser) Parse(rawURL string) (u *url.URL, err error) {
 	if !protocolRe.MatchString(rawURL) &&
 		strings.Contains(rawURL, ":") &&
@@ -37,6 +39,7 @@ func (p *URLParser) Parse(rawURL string) (u *url.URL, err error) {
 	return
 }
 
+// ParseURL parses URL string and return URL struct
 func ParseURL(rawURL string) (u *url.URL, err error) {
 	p := &URLParser{}
 	return p.Parse(rawURL)

modules/setting/setting.go

@@ -4,6 +4,7 @@
 
 package setting
 
+// App related variables
 var (
 	AppVer       string
 	AppBuiltWith string

vendor/code.gitea.io/sdk/LICENSE

@@ -0,0 +1,20 @@
+Copyright (c) 2016 The Gitea Authors
+Copyright (c) 2014 The Gogs Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/code.gitea.io/sdk/gitea/admin_org.go

@@ -0,0 +1,22 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// AdminCreateOrg create an organization
+func (c *Client) AdminCreateOrg(user string, opt CreateOrgOption) (*Organization, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	org := new(Organization)
+	return org, c.getParsedResponse("POST", fmt.Sprintf("/admin/users/%s/orgs", user),
+		jsonHeader, bytes.NewReader(body), org)
+}

vendor/code.gitea.io/sdk/gitea/admin_repo.go

@@ -0,0 +1,22 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// AdminCreateRepo create a repo
+func (c *Client) AdminCreateRepo(user string, opt CreateRepoOption) (*Repository, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	repo := new(Repository)
+	return repo, c.getParsedResponse("POST", fmt.Sprintf("/admin/users/%s/repos", user),
+		jsonHeader, bytes.NewReader(body), repo)
+}

vendor/code.gitea.io/sdk/gitea/admin_user.go

@@ -0,0 +1,85 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// CreateUserOption create user options
+type CreateUserOption struct {
+	SourceID  int64  `json:"source_id"`
+	LoginName string `json:"login_name"`
+	// required: true
+	Username string `json:"username" binding:"Required;AlphaDashDot;MaxSize(40)"`
+	FullName string `json:"full_name" binding:"MaxSize(100)"`
+	// required: true
+	// swagger:strfmt email
+	Email string `json:"email" binding:"Required;Email;MaxSize(254)"`
+	// required: true
+	Password           string `json:"password" binding:"Required;MaxSize(255)"`
+	MustChangePassword *bool  `json:"must_change_password"`
+	SendNotify         bool   `json:"send_notify"`
+}
+
+// AdminCreateUser create a user
+func (c *Client) AdminCreateUser(opt CreateUserOption) (*User, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	user := new(User)
+	return user, c.getParsedResponse("POST", "/admin/users", jsonHeader, bytes.NewReader(body), user)
+}
+
+// EditUserOption edit user options
+type EditUserOption struct {
+	SourceID  int64  `json:"source_id"`
+	LoginName string `json:"login_name"`
+	FullName  string `json:"full_name" binding:"MaxSize(100)"`
+	// required: true
+	// swagger:strfmt email
+	Email                   string `json:"email" binding:"Required;Email;MaxSize(254)"`
+	Password                string `json:"password" binding:"MaxSize(255)"`
+	MustChangePassword      *bool  `json:"must_change_password"`
+	Website                 string `json:"website" binding:"MaxSize(50)"`
+	Location                string `json:"location" binding:"MaxSize(50)"`
+	Active                  *bool  `json:"active"`
+	Admin                   *bool  `json:"admin"`
+	AllowGitHook            *bool  `json:"allow_git_hook"`
+	AllowImportLocal        *bool  `json:"allow_import_local"`
+	MaxRepoCreation         *int   `json:"max_repo_creation"`
+	ProhibitLogin           *bool  `json:"prohibit_login"`
+	AllowCreateOrganization *bool  `json:"allow_create_organization"`
+}
+
+// AdminEditUser modify user informations
+func (c *Client) AdminEditUser(user string, opt EditUserOption) error {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return err
+	}
+	_, err = c.getResponse("PATCH", fmt.Sprintf("/admin/users/%s", user), jsonHeader, bytes.NewReader(body))
+	return err
+}
+
+// AdminDeleteUser delete one user according name
+func (c *Client) AdminDeleteUser(user string) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/admin/users/%s", user), nil, nil)
+	return err
+}
+
+// AdminCreateUserPublicKey create one user with options
+func (c *Client) AdminCreateUserPublicKey(user string, opt CreateKeyOption) (*PublicKey, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	key := new(PublicKey)
+	return key, c.getParsedResponse("POST", fmt.Sprintf("/admin/users/%s/keys", user), jsonHeader, bytes.NewReader(body), key)
+}

vendor/code.gitea.io/sdk/gitea/attachment.go

@@ -0,0 +1,92 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea // import "code.gitea.io/sdk/gitea"
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"time"
+)
+
+// Attachment a generic attachment
+// swagger:model
+type Attachment struct {
+	ID            int64  `json:"id"`
+	Name          string `json:"name"`
+	Size          int64  `json:"size"`
+	DownloadCount int64  `json:"download_count"`
+	// swagger:strfmt date-time
+	Created     time.Time `json:"created_at"`
+	UUID        string    `json:"uuid"`
+	DownloadURL string    `json:"browser_download_url"`
+}
+
+// ListReleaseAttachments list release's attachments
+func (c *Client) ListReleaseAttachments(user, repo string, release int64) ([]*Attachment, error) {
+	attachments := make([]*Attachment, 0, 10)
+	err := c.getParsedResponse("GET",
+		fmt.Sprintf("/repos/%s/%s/releases/%d/assets", user, repo, release),
+		nil, nil, &attachments)
+	return attachments, err
+}
+
+// GetReleaseAttachment returns the requested attachment
+func (c *Client) GetReleaseAttachment(user, repo string, release int64, id int64) (*Attachment, error) {
+	a := new(Attachment)
+	err := c.getParsedResponse("GET",
+		fmt.Sprintf("/repos/%s/%s/releases/%d/assets/%d", user, repo, release, id),
+		nil, nil, &a)
+	return a, err
+}
+
+// CreateReleaseAttachment creates an attachment for the given release
+func (c *Client) CreateReleaseAttachment(user, repo string, release int64, file io.Reader, filename string) (*Attachment, error) {
+	// Write file to body
+	body := new(bytes.Buffer)
+	writer := multipart.NewWriter(body)
+	part, err := writer.CreateFormFile("attachment", filename)
+	if err != nil {
+		return nil, err
+	}
+
+	if _, err = io.Copy(part, file); err != nil {
+		return nil, err
+	}
+	if err = writer.Close(); err != nil {
+		return nil, err
+	}
+
+	// Send request
+	attachment := new(Attachment)
+	err = c.getParsedResponse("POST",
+		fmt.Sprintf("/repos/%s/%s/releases/%d/assets", user, repo, release),
+		http.Header{"Content-Type": {writer.FormDataContentType()}}, body, &attachment)
+	return attachment, err
+}
+
+// EditReleaseAttachment updates the given attachment with the given options
+func (c *Client) EditReleaseAttachment(user, repo string, release int64, attachment int64, form EditAttachmentOptions) (*Attachment, error) {
+	body, err := json.Marshal(&form)
+	if err != nil {
+		return nil, err
+	}
+	attach := new(Attachment)
+	return attach, c.getParsedResponse("PATCH", fmt.Sprintf("/repos/%s/%s/releases/%d/assets/%d", user, repo, release, attachment), jsonHeader, bytes.NewReader(body), attach)
+}
+
+// DeleteReleaseAttachment deletes the given attachment including the uploaded file
+func (c *Client) DeleteReleaseAttachment(user, repo string, release int64, id int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/releases/%d/assets/%d", user, repo, release, id), nil, nil)
+	return err
+}
+
+// EditAttachmentOptions options for editing attachments
+// swagger:model
+type EditAttachmentOptions struct {
+	Name string `json:"name"`
+}

vendor/code.gitea.io/sdk/gitea/doc.go

@@ -0,0 +1,5 @@
+// Copyright 2016 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea // import "code.gitea.io/sdk/gitea"

vendor/code.gitea.io/sdk/gitea/fork.go

@@ -0,0 +1,39 @@
+// Copyright 2016 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// ListForks list a repository's forks
+func (c *Client) ListForks(user, repo string) ([]*Repository, error) {
+	forks := make([]*Repository, 10)
+	err := c.getParsedResponse("GET",
+		fmt.Sprintf("/repos/%s/%s/forks", user, repo),
+		nil, nil, &forks)
+	return forks, err
+}
+
+// CreateForkOption options for creating a fork
+type CreateForkOption struct {
+	// organization name, if forking into an organization
+	Organization *string `json:"organization"`
+}
+
+// CreateFork create a fork of a repository
+func (c *Client) CreateFork(user, repo string, form CreateForkOption) (*Repository, error) {
+	body, err := json.Marshal(form)
+	if err != nil {
+		return nil, err
+	}
+	fork := new(Repository)
+	err = c.getParsedResponse("POST",
+		fmt.Sprintf("/repos/%s/%s/forks", user, repo),
+		jsonHeader, bytes.NewReader(body), &fork)
+	return fork, err
+}

vendor/code.gitea.io/sdk/gitea/git_blob.go

@@ -0,0 +1,14 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+// GitBlobResponse represents a git blob
+type GitBlobResponse struct {
+	Content  string `json:"content"`
+	Encoding string `json:"encoding"`
+	URL      string `json:"url"`
+	SHA      string `json:"sha"`
+	Size     int64  `json:"size"`
+}

vendor/code.gitea.io/sdk/gitea/git_hook.go

@@ -0,0 +1,54 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// GitHook represents a Git repository hook
+type GitHook struct {
+	Name     string `json:"name"`
+	IsActive bool   `json:"is_active"`
+	Content  string `json:"content,omitempty"`
+}
+
+// GitHookList represents a list of Git hooks
+type GitHookList []*GitHook
+
+// ListRepoGitHooks list all the Git hooks of one repository
+func (c *Client) ListRepoGitHooks(user, repo string) (GitHookList, error) {
+	hooks := make([]*GitHook, 0, 10)
+	return hooks, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/hooks/git", user, repo), nil, nil, &hooks)
+}
+
+// GetRepoGitHook get a Git hook of a repository
+func (c *Client) GetRepoGitHook(user, repo, id string) (*GitHook, error) {
+	h := new(GitHook)
+	return h, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/hooks/git/%s", user, repo, id), nil, nil, h)
+}
+
+// EditGitHookOption options when modifying one Git hook
+type EditGitHookOption struct {
+	Content string `json:"content"`
+}
+
+// EditRepoGitHook modify one Git hook of a repository
+func (c *Client) EditRepoGitHook(user, repo, id string, opt EditGitHookOption) error {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return err
+	}
+	_, err = c.getResponse("PATCH", fmt.Sprintf("/repos/%s/%s/hooks/git/%s", user, repo, id), jsonHeader, bytes.NewReader(body))
+	return err
+}
+
+// DeleteRepoGitHook delete one Git hook from a repository
+func (c *Client) DeleteRepoGitHook(user, repo, id string) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/hooks/git/%s", user, repo, id), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/gitea.go

@@ -0,0 +1,125 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"strings"
+)
+
+// Version return the library version
+func Version() string {
+	return "0.12.3"
+}
+
+// Client represents a Gogs API client.
+type Client struct {
+	url         string
+	accessToken string
+	sudo        string
+	client      *http.Client
+}
+
+// NewClient initializes and returns a API client.
+func NewClient(url, token string) *Client {
+	return &Client{
+		url:         strings.TrimSuffix(url, "/"),
+		accessToken: token,
+		client:      &http.Client{},
+	}
+}
+
+// NewClientWithHTTP creates an API client with a custom http client
+func NewClientWithHTTP(url string, httpClient *http.Client) {
+	client := NewClient(url, "")
+	client.client = httpClient
+}
+
+// SetHTTPClient replaces default http.Client with user given one.
+func (c *Client) SetHTTPClient(client *http.Client) {
+	c.client = client
+}
+
+// SetSudo sets username to impersonate.
+func (c *Client) SetSudo(sudo string) {
+	c.sudo = sudo
+}
+
+func (c *Client) doRequest(method, path string, header http.Header, body io.Reader) (*http.Response, error) {
+	req, err := http.NewRequest(method, c.url+"/api/v1"+path, body)
+	if err != nil {
+		return nil, err
+	}
+	if len(c.accessToken) != 0 {
+		req.Header.Set("Authorization", "token "+c.accessToken)
+	}
+	if c.sudo != "" {
+		req.Header.Set("Sudo", c.sudo)
+	}
+	for k, v := range header {
+		req.Header[k] = v
+	}
+
+	return c.client.Do(req)
+}
+
+func (c *Client) getResponse(method, path string, header http.Header, body io.Reader) ([]byte, error) {
+	resp, err := c.doRequest(method, path, header, body)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	data, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	switch resp.StatusCode {
+	case 403:
+		return nil, errors.New("403 Forbidden")
+	case 404:
+		return nil, errors.New("404 Not Found")
+	case 409:
+		return nil, errors.New("409 Conflict")
+	case 422:
+		return nil, fmt.Errorf("422 Unprocessable Entity: %s", string(data))
+	}
+
+	if resp.StatusCode/100 != 2 {
+		errMap := make(map[string]interface{})
+		if err = json.Unmarshal(data, &errMap); err != nil {
+			// when the JSON can't be parsed, data was probably empty or a plain string,
+			// so we try to return a helpful error anyway
+			return nil, fmt.Errorf("Unknown API Error: %d %s", resp.StatusCode, string(data))
+		}
+		return nil, errors.New(errMap["message"].(string))
+	}
+
+	return data, nil
+}
+
+func (c *Client) getParsedResponse(method, path string, header http.Header, body io.Reader, obj interface{}) error {
+	data, err := c.getResponse(method, path, header, body)
+	if err != nil {
+		return err
+	}
+	return json.Unmarshal(data, obj)
+}
+
+func (c *Client) getStatusCode(method, path string, header http.Header, body io.Reader) (int, error) {
+	resp, err := c.doRequest(method, path, header, body)
+	if err != nil {
+		return -1, err
+	}
+	defer resp.Body.Close()
+
+	return resp.StatusCode, nil
+}

vendor/code.gitea.io/sdk/gitea/hook.go

@@ -0,0 +1,543 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"strings"
+	"time"
+)
+
+var (
+	// ErrInvalidReceiveHook FIXME
+	ErrInvalidReceiveHook = errors.New("Invalid JSON payload received over webhook")
+)
+
+// Hook a hook is a web hook when one repository changed
+type Hook struct {
+	ID     int64             `json:"id"`
+	Type   string            `json:"type"`
+	URL    string            `json:"-"`
+	Config map[string]string `json:"config"`
+	Events []string          `json:"events"`
+	Active bool              `json:"active"`
+	// swagger:strfmt date-time
+	Updated time.Time `json:"updated_at"`
+	// swagger:strfmt date-time
+	Created time.Time `json:"created_at"`
+}
+
+// HookList represents a list of API hook.
+type HookList []*Hook
+
+// ListOrgHooks list all the hooks of one organization
+func (c *Client) ListOrgHooks(org string) (HookList, error) {
+	hooks := make([]*Hook, 0, 10)
+	return hooks, c.getParsedResponse("GET", fmt.Sprintf("/orgs/%s/hooks", org), nil, nil, &hooks)
+}
+
+// ListRepoHooks list all the hooks of one repository
+func (c *Client) ListRepoHooks(user, repo string) (HookList, error) {
+	hooks := make([]*Hook, 0, 10)
+	return hooks, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/hooks", user, repo), nil, nil, &hooks)
+}
+
+// GetOrgHook get a hook of an organization
+func (c *Client) GetOrgHook(org string, id int64) (*Hook, error) {
+	h := new(Hook)
+	return h, c.getParsedResponse("GET", fmt.Sprintf("/orgs/%s/hooks/%d", org, id), nil, nil, h)
+}
+
+// GetRepoHook get a hook of a repository
+func (c *Client) GetRepoHook(user, repo string, id int64) (*Hook, error) {
+	h := new(Hook)
+	return h, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/hooks/%d", user, repo, id), nil, nil, h)
+}
+
+// CreateHookOption options when create a hook
+type CreateHookOption struct {
+	// required: true
+	// enum: gitea,gogs,slack,discord
+	Type string `json:"type" binding:"Required"`
+	// required: true
+	Config map[string]string `json:"config" binding:"Required"`
+	Events []string          `json:"events"`
+	// default: false
+	Active bool `json:"active"`
+}
+
+// CreateOrgHook create one hook for an organization, with options
+func (c *Client) CreateOrgHook(org string, opt CreateHookOption) (*Hook, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	h := new(Hook)
+	return h, c.getParsedResponse("POST", fmt.Sprintf("/orgs/%s/hooks", org), jsonHeader, bytes.NewReader(body), h)
+}
+
+// CreateRepoHook create one hook for a repository, with options
+func (c *Client) CreateRepoHook(user, repo string, opt CreateHookOption) (*Hook, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	h := new(Hook)
+	return h, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/hooks", user, repo), jsonHeader, bytes.NewReader(body), h)
+}
+
+// EditHookOption options when modify one hook
+type EditHookOption struct {
+	Config map[string]string `json:"config"`
+	Events []string          `json:"events"`
+	Active *bool             `json:"active"`
+}
+
+// EditOrgHook modify one hook of an organization, with hook id and options
+func (c *Client) EditOrgHook(org string, id int64, opt EditHookOption) error {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return err
+	}
+	_, err = c.getResponse("PATCH", fmt.Sprintf("/orgs/%s/hooks/%d", org, id), jsonHeader, bytes.NewReader(body))
+	return err
+}
+
+// EditRepoHook modify one hook of a repository, with hook id and options
+func (c *Client) EditRepoHook(user, repo string, id int64, opt EditHookOption) error {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return err
+	}
+	_, err = c.getResponse("PATCH", fmt.Sprintf("/repos/%s/%s/hooks/%d", user, repo, id), jsonHeader, bytes.NewReader(body))
+	return err
+}
+
+// DeleteOrgHook delete one hook from an organization, with hook id
+func (c *Client) DeleteOrgHook(org string, id int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/org/%s/hooks/%d", org, id), nil, nil)
+	return err
+}
+
+// DeleteRepoHook delete one hook from a repository, with hook id
+func (c *Client) DeleteRepoHook(user, repo string, id int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/hooks/%d", user, repo, id), nil, nil)
+	return err
+}
+
+// Payloader payload is some part of one hook
+type Payloader interface {
+	SetSecret(string)
+	JSONPayload() ([]byte, error)
+}
+
+// PayloadUser represents the author or committer of a commit
+type PayloadUser struct {
+	// Full name of the commit author
+	Name string `json:"name"`
+	// swagger:strfmt email
+	Email    string `json:"email"`
+	UserName string `json:"username"`
+}
+
+// FIXME: consider using same format as API when commits API are added.
+//        applies to PayloadCommit and PayloadCommitVerification
+
+// PayloadCommit represents a commit
+type PayloadCommit struct {
+	// sha1 hash of the commit
+	ID           string                     `json:"id"`
+	Message      string                     `json:"message"`
+	URL          string                     `json:"url"`
+	Author       *PayloadUser               `json:"author"`
+	Committer    *PayloadUser               `json:"committer"`
+	Verification *PayloadCommitVerification `json:"verification"`
+	// swagger:strfmt date-time
+	Timestamp time.Time `json:"timestamp"`
+	Added     []string  `json:"added"`
+	Removed   []string  `json:"removed"`
+	Modified  []string  `json:"modified"`
+}
+
+// PayloadCommitVerification represents the GPG verification of a commit
+type PayloadCommitVerification struct {
+	Verified  bool   `json:"verified"`
+	Reason    string `json:"reason"`
+	Signature string `json:"signature"`
+	Payload   string `json:"payload"`
+}
+
+var (
+	_ Payloader = &CreatePayload{}
+	_ Payloader = &DeletePayload{}
+	_ Payloader = &ForkPayload{}
+	_ Payloader = &PushPayload{}
+	_ Payloader = &IssuePayload{}
+	_ Payloader = &IssueCommentPayload{}
+	_ Payloader = &PullRequestPayload{}
+	_ Payloader = &RepositoryPayload{}
+	_ Payloader = &ReleasePayload{}
+)
+
+// _________                        __
+// \_   ___ \_______   ____ _____ _/  |_  ____
+// /    \  \/\_  __ \_/ __ \\__  \\   __\/ __ \
+// \     \____|  | \/\  ___/ / __ \|  | \  ___/
+//  \______  /|__|    \___  >____  /__|  \___  >
+//         \/             \/     \/          \/
+
+// CreatePayload FIXME
+type CreatePayload struct {
+	Secret  string      `json:"secret"`
+	Sha     string      `json:"sha"`
+	Ref     string      `json:"ref"`
+	RefType string      `json:"ref_type"`
+	Repo    *Repository `json:"repository"`
+	Sender  *User       `json:"sender"`
+}
+
+// SetSecret modifies the secret of the CreatePayload
+func (p *CreatePayload) SetSecret(secret string) {
+	p.Secret = secret
+}
+
+// JSONPayload return payload information
+func (p *CreatePayload) JSONPayload() ([]byte, error) {
+	return json.MarshalIndent(p, "", "  ")
+}
+
+// ParseCreateHook parses create event hook content.
+func ParseCreateHook(raw []byte) (*CreatePayload, error) {
+	hook := new(CreatePayload)
+	if err := json.Unmarshal(raw, hook); err != nil {
+		return nil, err
+	}
+
+	// it is possible the JSON was parsed, however,
+	// was not from Gogs (maybe was from Bitbucket)
+	// So we'll check to be sure certain key fields
+	// were populated
+	switch {
+	case hook.Repo == nil:
+		return nil, ErrInvalidReceiveHook
+	case len(hook.Ref) == 0:
+		return nil, ErrInvalidReceiveHook
+	}
+	return hook, nil
+}
+
+// ________         .__          __
+// \______ \   ____ |  |   _____/  |_  ____
+//  |    |  \_/ __ \|  | _/ __ \   __\/ __ \
+//  |    `   \  ___/|  |_\  ___/|  | \  ___/
+// /_______  /\___  >____/\___  >__|  \___  >
+//         \/     \/          \/          \/
+
+// PusherType define the type to push
+type PusherType string
+
+// describe all the PusherTypes
+const (
+	PusherTypeUser PusherType = "user"
+)
+
+// DeletePayload represents delete payload
+type DeletePayload struct {
+	Secret     string      `json:"secret"`
+	Ref        string      `json:"ref"`
+	RefType    string      `json:"ref_type"`
+	PusherType PusherType  `json:"pusher_type"`
+	Repo       *Repository `json:"repository"`
+	Sender     *User       `json:"sender"`
+}
+
+// SetSecret modifies the secret of the DeletePayload
+func (p *DeletePayload) SetSecret(secret string) {
+	p.Secret = secret
+}
+
+// JSONPayload implements Payload
+func (p *DeletePayload) JSONPayload() ([]byte, error) {
+	return json.MarshalIndent(p, "", "  ")
+}
+
+// ___________           __
+// \_   _____/__________|  | __
+//  |    __)/  _ \_  __ \  |/ /
+//  |     \(  <_> )  | \/    <
+//  \___  / \____/|__|  |__|_ \
+//      \/                   \/
+
+// ForkPayload represents fork payload
+type ForkPayload struct {
+	Secret string      `json:"secret"`
+	Forkee *Repository `json:"forkee"`
+	Repo   *Repository `json:"repository"`
+	Sender *User       `json:"sender"`
+}
+
+// SetSecret modifies the secret of the ForkPayload
+func (p *ForkPayload) SetSecret(secret string) {
+	p.Secret = secret
+}
+
+// JSONPayload implements Payload
+func (p *ForkPayload) JSONPayload() ([]byte, error) {
+	return json.MarshalIndent(p, "", "  ")
+}
+
+// HookIssueCommentAction defines hook issue comment action
+type HookIssueCommentAction string
+
+// all issue comment actions
+const (
+	HookIssueCommentCreated HookIssueCommentAction = "created"
+	HookIssueCommentEdited  HookIssueCommentAction = "edited"
+	HookIssueCommentDeleted HookIssueCommentAction = "deleted"
+)
+
+// IssueCommentPayload represents a payload information of issue comment event.
+type IssueCommentPayload struct {
+	Secret     string                 `json:"secret"`
+	Action     HookIssueCommentAction `json:"action"`
+	Issue      *Issue                 `json:"issue"`
+	Comment    *Comment               `json:"comment"`
+	Changes    *ChangesPayload        `json:"changes,omitempty"`
+	Repository *Repository            `json:"repository"`
+	Sender     *User                  `json:"sender"`
+}
+
+// SetSecret modifies the secret of the IssueCommentPayload
+func (p *IssueCommentPayload) SetSecret(secret string) {
+	p.Secret = secret
+}
+
+// JSONPayload implements Payload
+func (p *IssueCommentPayload) JSONPayload() ([]byte, error) {
+	return json.MarshalIndent(p, "", "  ")
+}
+
+// __________       .__
+// \______   \ ____ |  |   ____ _____    ______ ____
+//  |       _// __ \|  | _/ __ \\__  \  /  ___// __ \
+//  |    |   \  ___/|  |_\  ___/ / __ \_\___ \\  ___/
+//  |____|_  /\___  >____/\___  >____  /____  >\___  >
+//         \/     \/          \/     \/     \/     \/
+
+// HookReleaseAction defines hook release action type
+type HookReleaseAction string
+
+// all release actions
+const (
+	HookReleasePublished HookReleaseAction = "published"
+	HookReleaseUpdated   HookReleaseAction = "updated"
+	HookReleaseDeleted   HookReleaseAction = "deleted"
+)
+
+// ReleasePayload represents a payload information of release event.
+type ReleasePayload struct {
+	Secret     string            `json:"secret"`
+	Action     HookReleaseAction `json:"action"`
+	Release    *Release          `json:"release"`
+	Repository *Repository       `json:"repository"`
+	Sender     *User             `json:"sender"`
+}
+
+// SetSecret modifies the secret of the ReleasePayload
+func (p *ReleasePayload) SetSecret(secret string) {
+	p.Secret = secret
+}
+
+// JSONPayload implements Payload
+func (p *ReleasePayload) JSONPayload() ([]byte, error) {
+	return json.MarshalIndent(p, "", "  ")
+}
+
+// __________             .__
+// \______   \__ __  _____|  |__
+//  |     ___/  |  \/  ___/  |  \
+//  |    |   |  |  /\___ \|   Y  \
+//  |____|   |____//____  >___|  /
+//                      \/     \/
+
+// PushPayload represents a payload information of push event.
+type PushPayload struct {
+	Secret     string           `json:"secret"`
+	Ref        string           `json:"ref"`
+	Before     string           `json:"before"`
+	After      string           `json:"after"`
+	CompareURL string           `json:"compare_url"`
+	Commits    []*PayloadCommit `json:"commits"`
+	HeadCommit *PayloadCommit   `json:"head_commit"`
+	Repo       *Repository      `json:"repository"`
+	Pusher     *User            `json:"pusher"`
+	Sender     *User            `json:"sender"`
+}
+
+// SetSecret modifies the secret of the PushPayload
+func (p *PushPayload) SetSecret(secret string) {
+	p.Secret = secret
+}
+
+// JSONPayload FIXME
+func (p *PushPayload) JSONPayload() ([]byte, error) {
+	return json.MarshalIndent(p, "", "  ")
+}
+
+// ParsePushHook parses push event hook content.
+func ParsePushHook(raw []byte) (*PushPayload, error) {
+	hook := new(PushPayload)
+	if err := json.Unmarshal(raw, hook); err != nil {
+		return nil, err
+	}
+
+	switch {
+	case hook.Repo == nil:
+		return nil, ErrInvalidReceiveHook
+	case len(hook.Ref) == 0:
+		return nil, ErrInvalidReceiveHook
+	}
+	return hook, nil
+}
+
+// Branch returns branch name from a payload
+func (p *PushPayload) Branch() string {
+	return strings.Replace(p.Ref, "refs/heads/", "", -1)
+}
+
+// .___
+// |   | ______ ________ __   ____
+// |   |/  ___//  ___/  |  \_/ __ \
+// |   |\___ \ \___ \|  |  /\  ___/
+// |___/____  >____  >____/  \___  >
+//          \/     \/            \/
+
+// HookIssueAction FIXME
+type HookIssueAction string
+
+const (
+	// HookIssueOpened opened
+	HookIssueOpened HookIssueAction = "opened"
+	// HookIssueClosed closed
+	HookIssueClosed HookIssueAction = "closed"
+	// HookIssueReOpened reopened
+	HookIssueReOpened HookIssueAction = "reopened"
+	// HookIssueEdited edited
+	HookIssueEdited HookIssueAction = "edited"
+	// HookIssueAssigned assigned
+	HookIssueAssigned HookIssueAction = "assigned"
+	// HookIssueUnassigned unassigned
+	HookIssueUnassigned HookIssueAction = "unassigned"
+	// HookIssueLabelUpdated label_updated
+	HookIssueLabelUpdated HookIssueAction = "label_updated"
+	// HookIssueLabelCleared label_cleared
+	HookIssueLabelCleared HookIssueAction = "label_cleared"
+	// HookIssueSynchronized synchronized
+	HookIssueSynchronized HookIssueAction = "synchronized"
+	// HookIssueMilestoned is an issue action for when a milestone is set on an issue.
+	HookIssueMilestoned HookIssueAction = "milestoned"
+	// HookIssueDemilestoned is an issue action for when a milestone is cleared on an issue.
+	HookIssueDemilestoned HookIssueAction = "demilestoned"
+)
+
+// IssuePayload represents the payload information that is sent along with an issue event.
+type IssuePayload struct {
+	Secret     string          `json:"secret"`
+	Action     HookIssueAction `json:"action"`
+	Index      int64           `json:"number"`
+	Changes    *ChangesPayload `json:"changes,omitempty"`
+	Issue      *Issue          `json:"issue"`
+	Repository *Repository     `json:"repository"`
+	Sender     *User           `json:"sender"`
+}
+
+// SetSecret modifies the secret of the IssuePayload.
+func (p *IssuePayload) SetSecret(secret string) {
+	p.Secret = secret
+}
+
+// JSONPayload encodes the IssuePayload to JSON, with an indentation of two spaces.
+func (p *IssuePayload) JSONPayload() ([]byte, error) {
+	return json.MarshalIndent(p, "", "  ")
+}
+
+// ChangesFromPayload FIXME
+type ChangesFromPayload struct {
+	From string `json:"from"`
+}
+
+// ChangesPayload FIXME
+type ChangesPayload struct {
+	Title *ChangesFromPayload `json:"title,omitempty"`
+	Body  *ChangesFromPayload `json:"body,omitempty"`
+}
+
+// __________      .__  .__    __________                                     __
+// \______   \__ __|  | |  |   \______   \ ____  ________ __   ____   _______/  |_
+//  |     ___/  |  \  | |  |    |       _// __ \/ ____/  |  \_/ __ \ /  ___/\   __\
+//  |    |   |  |  /  |_|  |__  |    |   \  ___< <_|  |  |  /\  ___/ \___ \  |  |
+//  |____|   |____/|____/____/  |____|_  /\___  >__   |____/  \___  >____  > |__|
+//                                     \/     \/   |__|           \/     \/
+
+// PullRequestPayload represents a payload information of pull request event.
+type PullRequestPayload struct {
+	Secret      string          `json:"secret"`
+	Action      HookIssueAction `json:"action"`
+	Index       int64           `json:"number"`
+	Changes     *ChangesPayload `json:"changes,omitempty"`
+	PullRequest *PullRequest    `json:"pull_request"`
+	Repository  *Repository     `json:"repository"`
+	Sender      *User           `json:"sender"`
+}
+
+// SetSecret modifies the secret of the PullRequestPayload.
+func (p *PullRequestPayload) SetSecret(secret string) {
+	p.Secret = secret
+}
+
+// JSONPayload FIXME
+func (p *PullRequestPayload) JSONPayload() ([]byte, error) {
+	return json.MarshalIndent(p, "", "  ")
+}
+
+//__________                           .__  __
+//\______   \ ____ ______   ____  _____|__|/  |_  ___________ ___.__.
+// |       _// __ \\____ \ /  _ \/  ___/  \   __\/  _ \_  __ <   |  |
+// |    |   \  ___/|  |_> >  <_> )___ \|  ||  | (  <_> )  | \/\___  |
+// |____|_  /\___  >   __/ \____/____  >__||__|  \____/|__|   / ____|
+//        \/     \/|__|              \/                       \/
+
+// HookRepoAction an action that happens to a repo
+type HookRepoAction string
+
+const (
+	// HookRepoCreated created
+	HookRepoCreated HookRepoAction = "created"
+	// HookRepoDeleted deleted
+	HookRepoDeleted HookRepoAction = "deleted"
+)
+
+// RepositoryPayload payload for repository webhooks
+type RepositoryPayload struct {
+	Secret       string         `json:"secret"`
+	Action       HookRepoAction `json:"action"`
+	Repository   *Repository    `json:"repository"`
+	Organization *User          `json:"organization"`
+	Sender       *User          `json:"sender"`
+}
+
+// SetSecret modifies the secret of the RepositoryPayload
+func (p *RepositoryPayload) SetSecret(secret string) {
+	p.Secret = secret
+}
+
+// JSONPayload JSON representation of the payload
+func (p *RepositoryPayload) JSONPayload() ([]byte, error) {
+	return json.MarshalIndent(p, "", " ")
+}

vendor/code.gitea.io/sdk/gitea/issue.go

@@ -0,0 +1,176 @@
+// Copyright 2016 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// StateType issue state type
+type StateType string
+
+const (
+	// StateOpen pr is opend
+	StateOpen StateType = "open"
+	// StateClosed pr is closed
+	StateClosed StateType = "closed"
+)
+
+// PullRequestMeta PR info if an issue is a PR
+type PullRequestMeta struct {
+	HasMerged bool       `json:"merged"`
+	Merged    *time.Time `json:"merged_at"`
+}
+
+// Issue represents an issue in a repository
+// swagger:model
+type Issue struct {
+	ID        int64      `json:"id"`
+	URL       string     `json:"url"`
+	Index     int64      `json:"number"`
+	Poster    *User      `json:"user"`
+	Title     string     `json:"title"`
+	Body      string     `json:"body"`
+	Labels    []*Label   `json:"labels"`
+	Milestone *Milestone `json:"milestone"`
+	Assignee  *User      `json:"assignee"`
+	Assignees []*User    `json:"assignees"`
+	// Whether the issue is open or closed
+	//
+	// type: string
+	// enum: open,closed
+	State    StateType `json:"state"`
+	Comments int       `json:"comments"`
+	// swagger:strfmt date-time
+	Created time.Time `json:"created_at"`
+	// swagger:strfmt date-time
+	Updated time.Time `json:"updated_at"`
+	// swagger:strfmt date-time
+	Closed *time.Time `json:"closed_at"`
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_date"`
+
+	PullRequest *PullRequestMeta `json:"pull_request"`
+}
+
+// ListIssueOption list issue options
+type ListIssueOption struct {
+	Page  int
+	State string
+}
+
+// ListIssues returns all issues assigned the authenticated user
+func (c *Client) ListIssues(opt ListIssueOption) ([]*Issue, error) {
+	issues := make([]*Issue, 0, 10)
+	return issues, c.getParsedResponse("GET", fmt.Sprintf("/issues?page=%d", opt.Page), nil, nil, &issues)
+}
+
+// ListUserIssues returns all issues assigned to the authenticated user
+func (c *Client) ListUserIssues(opt ListIssueOption) ([]*Issue, error) {
+	issues := make([]*Issue, 0, 10)
+	return issues, c.getParsedResponse("GET", fmt.Sprintf("/user/issues?page=%d", opt.Page), nil, nil, &issues)
+}
+
+// ListRepoIssues returns all issues for a given repository
+func (c *Client) ListRepoIssues(owner, repo string, opt ListIssueOption) ([]*Issue, error) {
+	issues := make([]*Issue, 0, 10)
+	return issues, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues?page=%d", owner, repo, opt.Page), nil, nil, &issues)
+}
+
+// GetIssue returns a single issue for a given repository
+func (c *Client) GetIssue(owner, repo string, index int64) (*Issue, error) {
+	issue := new(Issue)
+	return issue, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues/%d", owner, repo, index), nil, nil, issue)
+}
+
+// CreateIssueOption options to create one issue
+type CreateIssueOption struct {
+	// required:true
+	Title string `json:"title" binding:"Required"`
+	Body  string `json:"body"`
+	// username of assignee
+	Assignee  string   `json:"assignee"`
+	Assignees []string `json:"assignees"`
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_date"`
+	// milestone id
+	Milestone int64 `json:"milestone"`
+	// list of label ids
+	Labels []int64 `json:"labels"`
+	Closed bool    `json:"closed"`
+}
+
+// CreateIssue create a new issue for a given repository
+func (c *Client) CreateIssue(owner, repo string, opt CreateIssueOption) (*Issue, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	issue := new(Issue)
+	return issue, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/issues", owner, repo),
+		jsonHeader, bytes.NewReader(body), issue)
+}
+
+// EditIssueOption options for editing an issue
+type EditIssueOption struct {
+	Title     string   `json:"title"`
+	Body      *string  `json:"body"`
+	Assignee  *string  `json:"assignee"`
+	Assignees []string `json:"assignees"`
+	Milestone *int64   `json:"milestone"`
+	State     *string  `json:"state"`
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_date"`
+}
+
+// EditIssue modify an existing issue for a given repository
+func (c *Client) EditIssue(owner, repo string, index int64, opt EditIssueOption) (*Issue, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	issue := new(Issue)
+	return issue, c.getParsedResponse("PATCH", fmt.Sprintf("/repos/%s/%s/issues/%d", owner, repo, index),
+		jsonHeader, bytes.NewReader(body), issue)
+}
+
+// StartIssueStopWatch starts a stopwatch for an existing issue for a given
+// repository
+func (c *Client) StartIssueStopWatch(owner, repo string, index int64) error {
+	_, err := c.getResponse("POST", fmt.Sprintf("/repos/%s/%s/issues/%d/stopwatch/start", owner, repo, index),
+		jsonHeader, nil)
+	return err
+}
+
+// StopIssueStopWatch stops an existing stopwatch for an issue in a given
+// repository
+func (c *Client) StopIssueStopWatch(owner, repo string, index int64) error {
+	_, err := c.getResponse("POST", fmt.Sprintf("/repos/%s/%s/issues/%d/stopwatch/stop", owner, repo, index),
+		jsonHeader, nil)
+	return err
+}
+
+// EditDeadlineOption options for creating a deadline
+type EditDeadlineOption struct {
+	// required:true
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_date"`
+}
+
+// IssueDeadline represents an issue deadline
+// swagger:model
+type IssueDeadline struct {
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_date"`
+}
+
+// EditPriorityOption options for updating priority
+type EditPriorityOption struct {
+	// required:true
+	Priority int `json:"priority"`
+}

vendor/code.gitea.io/sdk/gitea/issue_comment.go

@@ -0,0 +1,76 @@
+// Copyright 2016 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// Comment represents a comment on a commit or issue
+type Comment struct {
+	ID       int64  `json:"id"`
+	HTMLURL  string `json:"html_url"`
+	PRURL    string `json:"pull_request_url"`
+	IssueURL string `json:"issue_url"`
+	Poster   *User  `json:"user"`
+	Body     string `json:"body"`
+	// swagger:strfmt date-time
+	Created time.Time `json:"created_at"`
+	// swagger:strfmt date-time
+	Updated time.Time `json:"updated_at"`
+}
+
+// ListIssueComments list comments on an issue.
+func (c *Client) ListIssueComments(owner, repo string, index int64) ([]*Comment, error) {
+	comments := make([]*Comment, 0, 10)
+	return comments, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues/%d/comments", owner, repo, index), nil, nil, &comments)
+}
+
+// ListRepoIssueComments list comments for a given repo.
+func (c *Client) ListRepoIssueComments(owner, repo string) ([]*Comment, error) {
+	comments := make([]*Comment, 0, 10)
+	return comments, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues/comments", owner, repo), nil, nil, &comments)
+}
+
+// CreateIssueCommentOption options for creating a comment on an issue
+type CreateIssueCommentOption struct {
+	// required:true
+	Body string `json:"body" binding:"Required"`
+}
+
+// CreateIssueComment create comment on an issue.
+func (c *Client) CreateIssueComment(owner, repo string, index int64, opt CreateIssueCommentOption) (*Comment, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	comment := new(Comment)
+	return comment, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/issues/%d/comments", owner, repo, index), jsonHeader, bytes.NewReader(body), comment)
+}
+
+// EditIssueCommentOption options for editing a comment
+type EditIssueCommentOption struct {
+	// required: true
+	Body string `json:"body" binding:"Required"`
+}
+
+// EditIssueComment edits an issue comment.
+func (c *Client) EditIssueComment(owner, repo string, index, commentID int64, opt EditIssueCommentOption) (*Comment, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	comment := new(Comment)
+	return comment, c.getParsedResponse("PATCH", fmt.Sprintf("/repos/:%s/:%s/issues/%d/comments/%d", owner, repo, index, commentID), jsonHeader, bytes.NewReader(body), comment)
+}
+
+// DeleteIssueComment deletes an issue comment.
+func (c *Client) DeleteIssueComment(owner, repo string, index, commentID int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/issues/%d/comments/%d", owner, repo, index, commentID), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/issue_label.go

@@ -0,0 +1,122 @@
+// Copyright 2016 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// Label a label to an issue or a pr
+// swagger:model
+type Label struct {
+	ID   int64  `json:"id"`
+	Name string `json:"name"`
+	// example: 00aabb
+	Color string `json:"color"`
+	URL   string `json:"url"`
+}
+
+// ListRepoLabels list labels of one repository
+func (c *Client) ListRepoLabels(owner, repo string) ([]*Label, error) {
+	labels := make([]*Label, 0, 10)
+	return labels, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/labels", owner, repo), nil, nil, &labels)
+}
+
+// GetRepoLabel get one label of repository by repo it
+// TODO: maybe we need get a label by name
+func (c *Client) GetRepoLabel(owner, repo string, id int64) (*Label, error) {
+	label := new(Label)
+	return label, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/labels/%d", owner, repo, id), nil, nil, label)
+}
+
+// CreateLabelOption options for creating a label
+type CreateLabelOption struct {
+	// required:true
+	Name string `json:"name" binding:"Required"`
+	// required:true
+	// example: #00aabb
+	Color string `json:"color" binding:"Required;Size(7)"`
+}
+
+// CreateLabel create one label of repository
+func (c *Client) CreateLabel(owner, repo string, opt CreateLabelOption) (*Label, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	label := new(Label)
+	return label, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/labels", owner, repo),
+		jsonHeader, bytes.NewReader(body), label)
+}
+
+// EditLabelOption options for editing a label
+type EditLabelOption struct {
+	Name  *string `json:"name"`
+	Color *string `json:"color"`
+}
+
+// EditLabel modify one label with options
+func (c *Client) EditLabel(owner, repo string, id int64, opt EditLabelOption) (*Label, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	label := new(Label)
+	return label, c.getParsedResponse("PATCH", fmt.Sprintf("/repos/%s/%s/labels/%d", owner, repo, id), jsonHeader, bytes.NewReader(body), label)
+}
+
+// DeleteLabel delete one label of repository by id
+// TODO: maybe we need delete by name
+func (c *Client) DeleteLabel(owner, repo string, id int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/labels/%d", owner, repo, id), nil, nil)
+	return err
+}
+
+// IssueLabelsOption a collection of labels
+type IssueLabelsOption struct {
+	// list of label IDs
+	Labels []int64 `json:"labels"`
+}
+
+// GetIssueLabels get labels of one issue via issue id
+func (c *Client) GetIssueLabels(owner, repo string, index int64) ([]*Label, error) {
+	labels := make([]*Label, 0, 5)
+	return labels, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues/%d/labels", owner, repo, index), nil, nil, &labels)
+}
+
+// AddIssueLabels add one or more labels to one issue
+func (c *Client) AddIssueLabels(owner, repo string, index int64, opt IssueLabelsOption) ([]*Label, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	var labels []*Label
+	return labels, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/issues/%d/labels", owner, repo, index), jsonHeader, bytes.NewReader(body), &labels)
+}
+
+// ReplaceIssueLabels replace old labels of issue with new labels
+func (c *Client) ReplaceIssueLabels(owner, repo string, index int64, opt IssueLabelsOption) ([]*Label, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	var labels []*Label
+	return labels, c.getParsedResponse("PUT", fmt.Sprintf("/repos/%s/%s/issues/%d/labels", owner, repo, index), jsonHeader, bytes.NewReader(body), &labels)
+}
+
+// DeleteIssueLabel delete one label of one issue by issue id and label id
+// TODO: maybe we need delete by label name and issue id
+func (c *Client) DeleteIssueLabel(owner, repo string, index, label int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/issues/%d/labels/%d", owner, repo, index, label), nil, nil)
+	return err
+}
+
+// ClearIssueLabels delete all the labels of one issue.
+func (c *Client) ClearIssueLabels(owner, repo string, index int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/issues/%d/labels", owner, repo, index), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/issue_milestone.go

@@ -0,0 +1,80 @@
+// Copyright 2016 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// Milestone milestone is a collection of issues on one repository
+type Milestone struct {
+	ID           int64     `json:"id"`
+	Title        string    `json:"title"`
+	Description  string    `json:"description"`
+	State        StateType `json:"state"`
+	OpenIssues   int       `json:"open_issues"`
+	ClosedIssues int       `json:"closed_issues"`
+	// swagger:strfmt date-time
+	Closed *time.Time `json:"closed_at"`
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_on"`
+}
+
+// ListRepoMilestones list all the milestones of one repository
+func (c *Client) ListRepoMilestones(owner, repo string) ([]*Milestone, error) {
+	milestones := make([]*Milestone, 0, 10)
+	return milestones, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/milestones", owner, repo), nil, nil, &milestones)
+}
+
+// GetMilestone get one milestone by repo name and milestone id
+func (c *Client) GetMilestone(owner, repo string, id int64) (*Milestone, error) {
+	milestone := new(Milestone)
+	return milestone, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/milestones/%d", owner, repo, id), nil, nil, milestone)
+}
+
+// CreateMilestoneOption options for creating a milestone
+type CreateMilestoneOption struct {
+	Title       string `json:"title"`
+	Description string `json:"description"`
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_on"`
+}
+
+// CreateMilestone create one milestone with options
+func (c *Client) CreateMilestone(owner, repo string, opt CreateMilestoneOption) (*Milestone, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	milestone := new(Milestone)
+	return milestone, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/milestones", owner, repo), jsonHeader, bytes.NewReader(body), milestone)
+}
+
+// EditMilestoneOption options for editing a milestone
+type EditMilestoneOption struct {
+	Title       string     `json:"title"`
+	Description *string    `json:"description"`
+	State       *string    `json:"state"`
+	Deadline    *time.Time `json:"due_on"`
+}
+
+// EditMilestone modify milestone with options
+func (c *Client) EditMilestone(owner, repo string, id int64, opt EditMilestoneOption) (*Milestone, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	milestone := new(Milestone)
+	return milestone, c.getParsedResponse("PATCH", fmt.Sprintf("/repos/%s/%s/milestones/%d", owner, repo, id), jsonHeader, bytes.NewReader(body), milestone)
+}
+
+// DeleteMilestone delete one milestone by milestone id
+func (c *Client) DeleteMilestone(owner, repo string, id int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/milestones/%d", owner, repo, id), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/issue_tracked_time.go

@@ -0,0 +1,68 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// TrackedTime worked time for an issue / pr
+type TrackedTime struct {
+	ID int64 `json:"id"`
+	// swagger:strfmt date-time
+	Created time.Time `json:"created"`
+	// Time in seconds
+	Time    int64 `json:"time"`
+	UserID  int64 `json:"user_id"`
+	IssueID int64 `json:"issue_id"`
+}
+
+// TrackedTimes represent a list of tracked times
+type TrackedTimes []*TrackedTime
+
+// GetUserTrackedTimes list tracked times of a user
+func (c *Client) GetUserTrackedTimes(owner, repo, user string) (TrackedTimes, error) {
+	times := make(TrackedTimes, 0, 10)
+	return times, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/times/%s", owner, repo, user), nil, nil, &times)
+}
+
+// GetRepoTrackedTimes list tracked times of a repository
+func (c *Client) GetRepoTrackedTimes(owner, repo string) (TrackedTimes, error) {
+	times := make(TrackedTimes, 0, 10)
+	return times, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/times", owner, repo), nil, nil, &times)
+}
+
+// GetMyTrackedTimes list tracked times of the current user
+func (c *Client) GetMyTrackedTimes() (TrackedTimes, error) {
+	times := make(TrackedTimes, 0, 10)
+	return times, c.getParsedResponse("GET", "/user/times", nil, nil, &times)
+}
+
+// AddTimeOption options for adding time to an issue
+type AddTimeOption struct {
+	// time in seconds
+	// required: true
+	Time int64 `json:"time" binding:"Required"`
+}
+
+// AddTime adds time to issue with the given index
+func (c *Client) AddTime(owner, repo string, index int64, opt AddTimeOption) (*TrackedTime, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	t := new(TrackedTime)
+	return t, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/issues/%d/times", owner, repo, index),
+		jsonHeader, bytes.NewReader(body), t)
+}
+
+// ListTrackedTimes get tracked times of one issue via issue id
+func (c *Client) ListTrackedTimes(owner, repo string, index int64) (TrackedTimes, error) {
+	times := make(TrackedTimes, 0, 5)
+	return times, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues/%d/times", owner, repo, index), nil, nil, &times)
+}

vendor/code.gitea.io/sdk/gitea/lfs_lock.go

@@ -0,0 +1,65 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"time"
+)
+
+// LFSLock represent a lock
+// for use with the locks API.
+type LFSLock struct {
+	ID       string        `json:"id"`
+	Path     string        `json:"path"`
+	LockedAt time.Time     `json:"locked_at"`
+	Owner    *LFSLockOwner `json:"owner"`
+}
+
+// LFSLockOwner represent a lock owner
+// for use with the locks API.
+type LFSLockOwner struct {
+	Name string `json:"name"`
+}
+
+// LFSLockRequest contains the path of the lock to create
+// https://github.com/git-lfs/git-lfs/blob/master/docs/api/locking.md#create-lock
+type LFSLockRequest struct {
+	Path string `json:"path"`
+}
+
+// LFSLockResponse represent a lock created
+// https://github.com/git-lfs/git-lfs/blob/master/docs/api/locking.md#create-lock
+type LFSLockResponse struct {
+	Lock *LFSLock `json:"lock"`
+}
+
+// LFSLockList represent a list of lock requested
+// https://github.com/git-lfs/git-lfs/blob/master/docs/api/locking.md#list-locks
+type LFSLockList struct {
+	Locks []*LFSLock `json:"locks"`
+	Next  string     `json:"next_cursor,omitempty"`
+}
+
+// LFSLockListVerify represent a list of lock verification requested
+// https://github.com/git-lfs/git-lfs/blob/master/docs/api/locking.md#list-locks-for-verification
+type LFSLockListVerify struct {
+	Ours   []*LFSLock `json:"ours"`
+	Theirs []*LFSLock `json:"theirs"`
+	Next   string     `json:"next_cursor,omitempty"`
+}
+
+// LFSLockError contains information on the error that occurs
+type LFSLockError struct {
+	Message       string   `json:"message"`
+	Lock          *LFSLock `json:"lock,omitempty"`
+	Documentation string   `json:"documentation_url,omitempty"`
+	RequestID     string   `json:"request_id,omitempty"`
+}
+
+// LFSLockDeleteRequest contains params of a delete request
+// https://github.com/git-lfs/git-lfs/blob/master/docs/api/locking.md#delete-lock
+type LFSLockDeleteRequest struct {
+	Force bool `json:"force"`
+}

vendor/code.gitea.io/sdk/gitea/miscellaneous.go

@@ -0,0 +1,52 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+// SearchResults results of a successful search
+type SearchResults struct {
+	OK   bool          `json:"ok"`
+	Data []*Repository `json:"data"`
+}
+
+// SearchError error of a failed search
+type SearchError struct {
+	OK    bool   `json:"ok"`
+	Error string `json:"error"`
+}
+
+// MarkdownOption markdown options
+type MarkdownOption struct {
+	// Text markdown to render
+	//
+	// in: body
+	Text string
+	// Mode to render
+	//
+	// in: body
+	Mode string
+	// Context to render
+	//
+	// in: body
+	Context string
+	// Is it a wiki page ?
+	//
+	// in: body
+	Wiki bool
+}
+
+// MarkdownRender is a rendered markdown document
+// swagger:response MarkdownRender
+type MarkdownRender string
+
+// ServerVersion wraps the version of the server
+type ServerVersion struct {
+	Version string `json:"version"`
+}
+
+// ServerVersion returns the version of the server
+func (c *Client) ServerVersion() (string, error) {
+	v := ServerVersion{}
+	return v.Version, c.getParsedResponse("GET", "/api/v1/version", nil, nil, &v)
+}

vendor/code.gitea.io/sdk/gitea/org.go

@@ -0,0 +1,70 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// Organization represents an organization
+type Organization struct {
+	ID          int64       `json:"id"`
+	UserName    string      `json:"username"`
+	FullName    string      `json:"full_name"`
+	AvatarURL   string      `json:"avatar_url"`
+	Description string      `json:"description"`
+	Website     string      `json:"website"`
+	Location    string      `json:"location"`
+	Visibility  VisibleType `json:"visibility"`
+}
+
+// ListMyOrgs list all of current user's organizations
+func (c *Client) ListMyOrgs() ([]*Organization, error) {
+	orgs := make([]*Organization, 0, 5)
+	return orgs, c.getParsedResponse("GET", "/user/orgs", nil, nil, &orgs)
+}
+
+// ListUserOrgs list all of some user's organizations
+func (c *Client) ListUserOrgs(user string) ([]*Organization, error) {
+	orgs := make([]*Organization, 0, 5)
+	return orgs, c.getParsedResponse("GET", fmt.Sprintf("/users/%s/orgs", user), nil, nil, &orgs)
+}
+
+// GetOrg get one organization by name
+func (c *Client) GetOrg(orgname string) (*Organization, error) {
+	org := new(Organization)
+	return org, c.getParsedResponse("GET", fmt.Sprintf("/orgs/%s", orgname), nil, nil, org)
+}
+
+// CreateOrgOption options for creating an organization
+type CreateOrgOption struct {
+	// required: true
+	UserName    string      `json:"username" binding:"Required"`
+	FullName    string      `json:"full_name"`
+	Description string      `json:"description"`
+	Website     string      `json:"website"`
+	Location    string      `json:"location"`
+	Visibility  VisibleType `json:"visibility"`
+}
+
+// EditOrgOption options for editing an organization
+type EditOrgOption struct {
+	FullName    string `json:"full_name"`
+	Description string `json:"description"`
+	Website     string `json:"website"`
+	Location    string `json:"location"`
+}
+
+// EditOrg modify one organization via options
+func (c *Client) EditOrg(orgname string, opt EditOrgOption) error {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return err
+	}
+	_, err = c.getResponse("PATCH", fmt.Sprintf("/orgs/%s", orgname), jsonHeader, bytes.NewReader(body))
+	return err
+}

vendor/code.gitea.io/sdk/gitea/org_member.go

@@ -0,0 +1,26 @@
+// Copyright 2016 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// AddOrgMembershipOption add user to organization options
+type AddOrgMembershipOption struct {
+	Role string `json:"role" binding:"Required"`
+}
+
+// AddOrgMembership add some one to an organization's member
+func (c *Client) AddOrgMembership(org, user string, opt AddOrgMembershipOption) error {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return err
+	}
+	_, err = c.getResponse("PUT", fmt.Sprintf("/orgs/%s/membership/%s", org, user), jsonHeader, bytes.NewReader(body))
+	return err
+}

vendor/code.gitea.io/sdk/gitea/org_team.go

@@ -0,0 +1,40 @@
+// Copyright 2016 The Gogs Authors. All rights reserved.
+// Copyright 2018 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+// Team represents a team in an organization
+type Team struct {
+	ID           int64         `json:"id"`
+	Name         string        `json:"name"`
+	Description  string        `json:"description"`
+	Organization *Organization `json:"organization"`
+	// enum: none,read,write,admin,owner
+	Permission string `json:"permission"`
+	// enum: repo.code,repo.issues,repo.ext_issues,repo.wiki,repo.pulls,repo.releases,repo.ext_wiki
+	Units []string `json:"units"`
+}
+
+// CreateTeamOption options for creating a team
+type CreateTeamOption struct {
+	// required: true
+	Name        string `json:"name" binding:"Required;AlphaDashDot;MaxSize(30)"`
+	Description string `json:"description" binding:"MaxSize(255)"`
+	// enum: read,write,admin
+	Permission string `json:"permission"`
+	// enum: repo.code,repo.issues,repo.ext_issues,repo.wiki,repo.pulls,repo.releases,repo.ext_wiki
+	Units []string `json:"units"`
+}
+
+// EditTeamOption options for editing a team
+type EditTeamOption struct {
+	// required: true
+	Name        string `json:"name" binding:"Required;AlphaDashDot;MaxSize(30)"`
+	Description string `json:"description" binding:"MaxSize(255)"`
+	// enum: read,write,admin
+	Permission string `json:"permission"`
+	// enum: repo.code,repo.issues,repo.ext_issues,repo.wiki,repo.pulls,repo.releases,repo.ext_wiki
+	Units []string `json:"units"`
+}

vendor/code.gitea.io/sdk/gitea/org_type.go

@@ -0,0 +1,49 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+// VisibleType defines the visibility (Organization only)
+type VisibleType int
+
+const (
+	// VisibleTypePublic Visible for everyone
+	VisibleTypePublic VisibleType = iota
+
+	// VisibleTypeLimited Visible for every connected user
+	VisibleTypeLimited
+
+	// VisibleTypePrivate Visible only for organization's members
+	VisibleTypePrivate
+)
+
+// VisibilityModes is a map of org Visibility types
+var VisibilityModes = map[string]VisibleType{
+	"public":  VisibleTypePublic,
+	"limited": VisibleTypeLimited,
+	"private": VisibleTypePrivate,
+}
+
+// IsPublic returns true if VisibleType is public
+func (vt VisibleType) IsPublic() bool {
+	return vt == VisibleTypePublic
+}
+
+// IsLimited returns true if VisibleType is limited
+func (vt VisibleType) IsLimited() bool {
+	return vt == VisibleTypeLimited
+}
+
+// IsPrivate returns true if VisibleType is private
+func (vt VisibleType) IsPrivate() bool {
+	return vt == VisibleTypePrivate
+}
+
+// ExtractKeysFromMapString provides a slice of keys from map
+func ExtractKeysFromMapString(in map[string]VisibleType) (keys []string) {
+	for k := range in {
+		keys = append(keys, k)
+	}
+	return
+}

vendor/code.gitea.io/sdk/gitea/pull.go

@@ -0,0 +1,151 @@
+// Copyright 2016 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// PullRequest represents a pull request
+type PullRequest struct {
+	ID        int64      `json:"id"`
+	URL       string     `json:"url"`
+	Index     int64      `json:"number"`
+	Poster    *User      `json:"user"`
+	Title     string     `json:"title"`
+	Body      string     `json:"body"`
+	Labels    []*Label   `json:"labels"`
+	Milestone *Milestone `json:"milestone"`
+	Assignee  *User      `json:"assignee"`
+	Assignees []*User    `json:"assignees"`
+	State     StateType  `json:"state"`
+	Comments  int        `json:"comments"`
+
+	HTMLURL  string `json:"html_url"`
+	DiffURL  string `json:"diff_url"`
+	PatchURL string `json:"patch_url"`
+
+	Mergeable bool `json:"mergeable"`
+	HasMerged bool `json:"merged"`
+	// swagger:strfmt date-time
+	Merged         *time.Time `json:"merged_at"`
+	MergedCommitID *string    `json:"merge_commit_sha"`
+	MergedBy       *User      `json:"merged_by"`
+
+	Base      *PRBranchInfo `json:"base"`
+	Head      *PRBranchInfo `json:"head"`
+	MergeBase string        `json:"merge_base"`
+
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_date"`
+
+	// swagger:strfmt date-time
+	Created *time.Time `json:"created_at"`
+	// swagger:strfmt date-time
+	Updated *time.Time `json:"updated_at"`
+	// swagger:strfmt date-time
+	Closed *time.Time `json:"closed_at"`
+}
+
+// PRBranchInfo information about a branch
+type PRBranchInfo struct {
+	Name       string      `json:"label"`
+	Ref        string      `json:"ref"`
+	Sha        string      `json:"sha"`
+	RepoID     int64       `json:"repo_id"`
+	Repository *Repository `json:"repo"`
+}
+
+// ListPullRequestsOptions options for listing pull requests
+type ListPullRequestsOptions struct {
+	Page  int    `json:"page"`
+	State string `json:"state"`
+}
+
+// ListRepoPullRequests list PRs of one repository
+func (c *Client) ListRepoPullRequests(owner, repo string, opt ListPullRequestsOptions) ([]*PullRequest, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	prs := make([]*PullRequest, 0, 10)
+	return prs, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/pulls", owner, repo), jsonHeader, bytes.NewReader(body), &prs)
+}
+
+// GetPullRequest get information of one PR
+func (c *Client) GetPullRequest(owner, repo string, index int64) (*PullRequest, error) {
+	pr := new(PullRequest)
+	return pr, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/pulls/%d", owner, repo, index), nil, nil, pr)
+}
+
+// CreatePullRequestOption options when creating a pull request
+type CreatePullRequestOption struct {
+	Head      string   `json:"head" binding:"Required"`
+	Base      string   `json:"base" binding:"Required"`
+	Title     string   `json:"title" binding:"Required"`
+	Body      string   `json:"body"`
+	Assignee  string   `json:"assignee"`
+	Assignees []string `json:"assignees"`
+	Milestone int64    `json:"milestone"`
+	Labels    []int64  `json:"labels"`
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_date"`
+}
+
+// CreatePullRequest create pull request with options
+func (c *Client) CreatePullRequest(owner, repo string, opt CreatePullRequestOption) (*PullRequest, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	pr := new(PullRequest)
+	return pr, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/pulls", owner, repo),
+		jsonHeader, bytes.NewReader(body), pr)
+}
+
+// EditPullRequestOption options when modify pull request
+type EditPullRequestOption struct {
+	Title     string   `json:"title"`
+	Body      string   `json:"body"`
+	Assignee  string   `json:"assignee"`
+	Assignees []string `json:"assignees"`
+	Milestone int64    `json:"milestone"`
+	Labels    []int64  `json:"labels"`
+	State     *string  `json:"state"`
+	// swagger:strfmt date-time
+	Deadline *time.Time `json:"due_date"`
+}
+
+// EditPullRequest modify pull request with PR id and options
+func (c *Client) EditPullRequest(owner, repo string, index int64, opt EditPullRequestOption) (*PullRequest, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	pr := new(PullRequest)
+	return pr, c.getParsedResponse("PATCH", fmt.Sprintf("/repos/%s/%s/issues/%d", owner, repo, index),
+		jsonHeader, bytes.NewReader(body), pr)
+}
+
+// MergePullRequest merge a PR to repository by PR id
+func (c *Client) MergePullRequest(owner, repo string, index int64) error {
+	_, err := c.getResponse("POST", fmt.Sprintf("/repos/%s/%s/pulls/%d/merge", owner, repo, index), nil, nil)
+	return err
+}
+
+// IsPullRequestMerged test if one PR is merged to one repository
+func (c *Client) IsPullRequestMerged(owner, repo string, index int64) (bool, error) {
+	statusCode, err := c.getStatusCode("GET", fmt.Sprintf("/repos/%s/%s/pulls/%d/merge", owner, repo, index), nil, nil)
+
+	if err != nil {
+		return false, err
+	}
+
+	return statusCode == 204, nil
+
+}

vendor/code.gitea.io/sdk/gitea/release.go

@@ -0,0 +1,105 @@
+// Copyright 2016 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// Release represents a repository release
+type Release struct {
+	ID           int64  `json:"id"`
+	TagName      string `json:"tag_name"`
+	Target       string `json:"target_commitish"`
+	Title        string `json:"name"`
+	Note         string `json:"body"`
+	URL          string `json:"url"`
+	TarURL       string `json:"tarball_url"`
+	ZipURL       string `json:"zipball_url"`
+	IsDraft      bool   `json:"draft"`
+	IsPrerelease bool   `json:"prerelease"`
+	// swagger:strfmt date-time
+	CreatedAt time.Time `json:"created_at"`
+	// swagger:strfmt date-time
+	PublishedAt time.Time     `json:"published_at"`
+	Publisher   *User         `json:"author"`
+	Attachments []*Attachment `json:"assets"`
+}
+
+// ListReleases list releases of a repository
+func (c *Client) ListReleases(user, repo string) ([]*Release, error) {
+	releases := make([]*Release, 0, 10)
+	err := c.getParsedResponse("GET",
+		fmt.Sprintf("/repos/%s/%s/releases", user, repo),
+		nil, nil, &releases)
+	return releases, err
+}
+
+// GetRelease get a release of a repository
+func (c *Client) GetRelease(user, repo string, id int64) (*Release, error) {
+	r := new(Release)
+	err := c.getParsedResponse("GET",
+		fmt.Sprintf("/repos/%s/%s/releases/%d", user, repo, id),
+		nil, nil, &r)
+	return r, err
+}
+
+// CreateReleaseOption options when creating a release
+type CreateReleaseOption struct {
+	// required: true
+	TagName      string `json:"tag_name" binding:"Required"`
+	Target       string `json:"target_commitish"`
+	Title        string `json:"name"`
+	Note         string `json:"body"`
+	IsDraft      bool   `json:"draft"`
+	IsPrerelease bool   `json:"prerelease"`
+}
+
+// CreateRelease create a release
+func (c *Client) CreateRelease(user, repo string, form CreateReleaseOption) (*Release, error) {
+	body, err := json.Marshal(form)
+	if err != nil {
+		return nil, err
+	}
+	r := new(Release)
+	err = c.getParsedResponse("POST",
+		fmt.Sprintf("/repos/%s/%s/releases", user, repo),
+		jsonHeader, bytes.NewReader(body), r)
+	return r, err
+}
+
+// EditReleaseOption options when editing a release
+type EditReleaseOption struct {
+	TagName      string `json:"tag_name"`
+	Target       string `json:"target_commitish"`
+	Title        string `json:"name"`
+	Note         string `json:"body"`
+	IsDraft      *bool  `json:"draft"`
+	IsPrerelease *bool  `json:"prerelease"`
+}
+
+// EditRelease edit a release
+func (c *Client) EditRelease(user, repo string, id int64, form EditReleaseOption) (*Release, error) {
+	body, err := json.Marshal(form)
+	if err != nil {
+		return nil, err
+	}
+	r := new(Release)
+	err = c.getParsedResponse("PATCH",
+		fmt.Sprintf("/repos/%s/%s/releases/%d", user, repo, id),
+		jsonHeader, bytes.NewReader(body), r)
+	return r, err
+}
+
+// DeleteRelease delete a release from a repository
+func (c *Client) DeleteRelease(user, repo string, id int64) error {
+	_, err := c.getResponse("DELETE",
+		fmt.Sprintf("/repos/%s/%s/releases/%d", user, repo, id),
+		nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/repo.go

@@ -0,0 +1,156 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// Permission represents a set of permissions
+type Permission struct {
+	Admin bool `json:"admin"`
+	Push  bool `json:"push"`
+	Pull  bool `json:"pull"`
+}
+
+// Repository represents a repository
+type Repository struct {
+	ID            int64       `json:"id"`
+	Owner         *User       `json:"owner"`
+	Name          string      `json:"name"`
+	FullName      string      `json:"full_name"`
+	Description   string      `json:"description"`
+	Empty         bool        `json:"empty"`
+	Private       bool        `json:"private"`
+	Fork          bool        `json:"fork"`
+	Parent        *Repository `json:"parent"`
+	Mirror        bool        `json:"mirror"`
+	Size          int         `json:"size"`
+	HTMLURL       string      `json:"html_url"`
+	SSHURL        string      `json:"ssh_url"`
+	CloneURL      string      `json:"clone_url"`
+	Website       string      `json:"website"`
+	Stars         int         `json:"stars_count"`
+	Forks         int         `json:"forks_count"`
+	Watchers      int         `json:"watchers_count"`
+	OpenIssues    int         `json:"open_issues_count"`
+	DefaultBranch string      `json:"default_branch"`
+	Archived      bool        `json:"archived"`
+	// swagger:strfmt date-time
+	Created time.Time `json:"created_at"`
+	// swagger:strfmt date-time
+	Updated     time.Time   `json:"updated_at"`
+	Permissions *Permission `json:"permissions,omitempty"`
+}
+
+// ListMyRepos lists all repositories for the authenticated user that has access to.
+func (c *Client) ListMyRepos() ([]*Repository, error) {
+	repos := make([]*Repository, 0, 10)
+	return repos, c.getParsedResponse("GET", "/user/repos", nil, nil, &repos)
+}
+
+// ListUserRepos list all repositories of one user by user's name
+func (c *Client) ListUserRepos(user string) ([]*Repository, error) {
+	repos := make([]*Repository, 0, 10)
+	return repos, c.getParsedResponse("GET", fmt.Sprintf("/users/%s/repos", user), nil, nil, &repos)
+}
+
+// ListOrgRepos list all repositories of one organization by organization's name
+func (c *Client) ListOrgRepos(org string) ([]*Repository, error) {
+	repos := make([]*Repository, 0, 10)
+	return repos, c.getParsedResponse("GET", fmt.Sprintf("/orgs/%s/repos", org), nil, nil, &repos)
+}
+
+// CreateRepoOption options when creating repository
+// swagger:model
+type CreateRepoOption struct {
+	// Name of the repository to create
+	//
+	// required: true
+	// unique: true
+	Name string `json:"name" binding:"Required;AlphaDashDot;MaxSize(100)"`
+	// Description of the repository to create
+	Description string `json:"description" binding:"MaxSize(255)"`
+	// Whether the repository is private
+	Private bool `json:"private"`
+	// Whether the repository should be auto-intialized?
+	AutoInit bool `json:"auto_init"`
+	// Gitignores to use
+	Gitignores string `json:"gitignores"`
+	// License to use
+	License string `json:"license"`
+	// Readme of the repository to create
+	Readme string `json:"readme"`
+}
+
+// CreateRepo creates a repository for authenticated user.
+func (c *Client) CreateRepo(opt CreateRepoOption) (*Repository, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	repo := new(Repository)
+	return repo, c.getParsedResponse("POST", "/user/repos", jsonHeader, bytes.NewReader(body), repo)
+}
+
+// CreateOrgRepo creates an organization repository for authenticated user.
+func (c *Client) CreateOrgRepo(org string, opt CreateRepoOption) (*Repository, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	repo := new(Repository)
+	return repo, c.getParsedResponse("POST", fmt.Sprintf("/org/%s/repos", org), jsonHeader, bytes.NewReader(body), repo)
+}
+
+// GetRepo returns information of a repository of given owner.
+func (c *Client) GetRepo(owner, reponame string) (*Repository, error) {
+	repo := new(Repository)
+	return repo, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s", owner, reponame), nil, nil, repo)
+}
+
+// DeleteRepo deletes a repository of user or organization.
+func (c *Client) DeleteRepo(owner, repo string) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s", owner, repo), nil, nil)
+	return err
+}
+
+// MigrateRepoOption options for migrating a repository from an external service
+type MigrateRepoOption struct {
+	// required: true
+	CloneAddr    string `json:"clone_addr" binding:"Required"`
+	AuthUsername string `json:"auth_username"`
+	AuthPassword string `json:"auth_password"`
+	// required: true
+	UID int `json:"uid" binding:"Required"`
+	// required: true
+	RepoName    string `json:"repo_name" binding:"Required"`
+	Mirror      bool   `json:"mirror"`
+	Private     bool   `json:"private"`
+	Description string `json:"description"`
+}
+
+// MigrateRepo migrates a repository from other Git hosting sources for the
+// authenticated user.
+//
+// To migrate a repository for a organization, the authenticated user must be a
+// owner of the specified organization.
+func (c *Client) MigrateRepo(opt MigrateRepoOption) (*Repository, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	repo := new(Repository)
+	return repo, c.getParsedResponse("POST", "/repos/migrate", jsonHeader, bytes.NewReader(body), repo)
+}
+
+// MirrorSync adds a mirrored repository to the mirror sync queue.
+func (c *Client) MirrorSync(owner, repo string) error {
+	_, err := c.getResponse("POST", fmt.Sprintf("/repos/%s/%s/mirror-sync", owner, repo), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/repo_branch.go

@@ -0,0 +1,27 @@
+// Copyright 2016 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"fmt"
+)
+
+// Branch represents a repository branch
+type Branch struct {
+	Name   string         `json:"name"`
+	Commit *PayloadCommit `json:"commit"`
+}
+
+// ListRepoBranches list all the branches of one repository
+func (c *Client) ListRepoBranches(user, repo string) ([]*Branch, error) {
+	branches := make([]*Branch, 0, 10)
+	return branches, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/branches", user, repo), nil, nil, &branches)
+}
+
+// GetRepoBranch get one branch's information of one repository
+func (c *Client) GetRepoBranch(user, repo, branch string) (*Branch, error) {
+	b := new(Branch)
+	return b, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/branches/%s", user, repo, branch), nil, nil, &b)
+}

vendor/code.gitea.io/sdk/gitea/repo_collaborator.go

@@ -0,0 +1,57 @@
+// Copyright 2016 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// ListCollaborators list a repository's collaborators
+func (c *Client) ListCollaborators(user, repo string) ([]*User, error) {
+	collaborators := make([]*User, 0, 10)
+	err := c.getParsedResponse("GET",
+		fmt.Sprintf("/repos/%s/%s/collaborators", user, repo),
+		nil, nil, &collaborators)
+	return collaborators, err
+}
+
+// IsCollaborator check if a user is a collaborator of a repository
+func (c *Client) IsCollaborator(user, repo, collaborator string) (bool, error) {
+	status, err := c.getStatusCode("GET",
+		fmt.Sprintf("/repos/%s/%s/collaborators/%s", user, repo, collaborator),
+		nil, nil)
+	if err != nil {
+		return false, err
+	}
+	if status == 204 {
+		return true, nil
+	}
+	return false, nil
+}
+
+// AddCollaboratorOption options when adding a user as a collaborator of a repository
+type AddCollaboratorOption struct {
+	Permission *string `json:"permission"`
+}
+
+// AddCollaborator add some user as a collaborator of a repository
+func (c *Client) AddCollaborator(user, repo, collaborator string, opt AddCollaboratorOption) error {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return err
+	}
+	_, err = c.getResponse("PUT", fmt.Sprintf("/repos/%s/%s/collaborators/%s", user, repo, collaborator), nil, bytes.NewReader(body))
+	return err
+}
+
+// DeleteCollaborator remove a collaborator from a repository
+func (c *Client) DeleteCollaborator(user, repo, collaborator string) error {
+	_, err := c.getResponse("DELETE",
+		fmt.Sprintf("/repos/%s/%s/collaborators/%s", user, repo, collaborator),
+		nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/repo_commit.go

@@ -0,0 +1,54 @@
+// Copyright 2018 The Gogs Authors. All rights reserved.
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"fmt"
+)
+
+// Identity for a person's identity like an author or committer
+type Identity struct {
+	Name string `json:"name" binding:"MaxSize(100)"`
+	// swagger:strfmt email
+	Email string `json:"email" binding:"MaxSize(254)"`
+}
+
+// CommitMeta contains meta information of a commit in terms of API.
+type CommitMeta struct {
+	URL string `json:"url"`
+	SHA string `json:"sha"`
+}
+
+// CommitUser contains information of a user in the context of a commit.
+type CommitUser struct {
+	Identity
+	Date string `json:"date"`
+}
+
+// RepoCommit contains information of a commit in the context of a repository.
+type RepoCommit struct {
+	URL       string      `json:"url"`
+	Author    *CommitUser `json:"author"`
+	Committer *CommitUser `json:"committer"`
+	Message   string      `json:"message"`
+	Tree      *CommitMeta `json:"tree"`
+}
+
+// Commit contains information generated from a Git commit.
+type Commit struct {
+	*CommitMeta
+	HTMLURL    string        `json:"html_url"`
+	RepoCommit *RepoCommit   `json:"commit"`
+	Author     *User         `json:"author"`
+	Committer  *User         `json:"committer"`
+	Parents    []*CommitMeta `json:"parents"`
+}
+
+// GetSingleCommit returns a single commit
+func (c *Client) GetSingleCommit(user, repo, commitID string) (*Commit, error) {
+	commit := new(Commit)
+	return commit, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/commits/%s", user, repo, commitID), nil, nil, &commit)
+}

vendor/code.gitea.io/sdk/gitea/repo_file.go

@@ -0,0 +1,90 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"fmt"
+)
+
+// GetFile downloads a file of repository, ref can be branch/tag/commit.
+// e.g.: ref -> master, tree -> macaron.go(no leading slash)
+func (c *Client) GetFile(user, repo, ref, tree string) ([]byte, error) {
+	return c.getResponse("GET", fmt.Sprintf("/repos/%s/%s/raw/%s/%s", user, repo, ref, tree), nil, nil)
+}
+
+// FileOptions options for all file APIs
+type FileOptions struct {
+	Message       string   `json:"message" binding:"Required"`
+	BranchName    string   `json:"branch"`
+	NewBranchName string   `json:"new_branch"`
+	Author        Identity `json:"author"`
+	Committer     Identity `json:"committer"`
+}
+
+// CreateFileOptions options for creating files
+type CreateFileOptions struct {
+	FileOptions
+	Content string `json:"content"`
+}
+
+// DeleteFileOptions options for deleting files (used for other File structs below)
+type DeleteFileOptions struct {
+	FileOptions
+	SHA string `json:"sha" binding:"Required"`
+}
+
+// UpdateFileOptions options for updating files
+type UpdateFileOptions struct {
+	DeleteFileOptions
+	Content  string `json:"content"`
+	FromPath string `json:"from_path" binding:"MaxSize(500)"`
+}
+
+// FileLinksResponse contains the links for a repo's file
+type FileLinksResponse struct {
+	Self    string `json:"url"`
+	GitURL  string `json:"git_url"`
+	HTMLURL string `json:"html_url"`
+}
+
+// FileContentResponse contains information about a repo's file stats and content
+type FileContentResponse struct {
+	Name        string             `json:"name"`
+	Path        string             `json:"path"`
+	SHA         string             `json:"sha"`
+	Size        int64              `json:"size"`
+	URL         string             `json:"url"`
+	HTMLURL     string             `json:"html_url"`
+	GitURL      string             `json:"git_url"`
+	DownloadURL string             `json:"download_url"`
+	Type        string             `json:"type"`
+	Links       *FileLinksResponse `json:"_links"`
+}
+
+// FileCommitResponse contains information generated from a Git commit for a repo's file.
+type FileCommitResponse struct {
+	CommitMeta
+	HTMLURL   string        `json:"html_url"`
+	Author    *CommitUser   `json:"author"`
+	Committer *CommitUser   `json:"committer"`
+	Parents   []*CommitMeta `json:"parents"`
+	Message   string        `json:"message"`
+	Tree      *CommitMeta   `json:"tree"`
+}
+
+// FileResponse contains information about a repo's file
+type FileResponse struct {
+	Content      *FileContentResponse       `json:"content"`
+	Commit       *FileCommitResponse        `json:"commit"`
+	Verification *PayloadCommitVerification `json:"verification"`
+}
+
+// FileDeleteResponse contains information about a repo's file that was deleted
+type FileDeleteResponse struct {
+	Content      interface{}                `json:"content"` // to be set to nil
+	Commit       *FileCommitResponse        `json:"commit"`
+	Verification *PayloadCommitVerification `json:"verification"`
+}

vendor/code.gitea.io/sdk/gitea/repo_key.go

@@ -0,0 +1,72 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// DeployKey a deploy key
+type DeployKey struct {
+	ID          int64  `json:"id"`
+	KeyID       int64  `json:"key_id"`
+	Key         string `json:"key"`
+	URL         string `json:"url"`
+	Title       string `json:"title"`
+	Fingerprint string `json:"fingerprint"`
+	// swagger:strfmt date-time
+	Created    time.Time   `json:"created_at"`
+	ReadOnly   bool        `json:"read_only"`
+	Repository *Repository `json:"repository,omitempty"`
+}
+
+// ListDeployKeys list all the deploy keys of one repository
+func (c *Client) ListDeployKeys(user, repo string) ([]*DeployKey, error) {
+	keys := make([]*DeployKey, 0, 10)
+	return keys, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/keys", user, repo), nil, nil, &keys)
+}
+
+// GetDeployKey get one deploy key with key id
+func (c *Client) GetDeployKey(user, repo string, keyID int64) (*DeployKey, error) {
+	key := new(DeployKey)
+	return key, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/keys/%d", user, repo, keyID), nil, nil, &key)
+}
+
+// CreateKeyOption options when creating a key
+type CreateKeyOption struct {
+	// Title of the key to add
+	//
+	// required: true
+	// unique: true
+	Title string `json:"title" binding:"Required"`
+	// An armored SSH key to add
+	//
+	// required: true
+	// unique: true
+	Key string `json:"key" binding:"Required"`
+	// Describe if the key has only read access or read/write
+	//
+	// required: false
+	ReadOnly bool `json:"read_only"`
+}
+
+// CreateDeployKey options when create one deploy key
+func (c *Client) CreateDeployKey(user, repo string, opt CreateKeyOption) (*DeployKey, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	key := new(DeployKey)
+	return key, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/keys", user, repo), jsonHeader, bytes.NewReader(body), key)
+}
+
+// DeleteDeployKey delete deploy key with key id
+func (c *Client) DeleteDeployKey(owner, repo string, keyID int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/keys/%d", owner, repo, keyID), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/repo_refs.go

@@ -0,0 +1,69 @@
+// Copyright 2018 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"strings"
+)
+
+// Reference represents a Git reference.
+type Reference struct {
+	Ref    string     `json:"ref"`
+	URL    string     `json:"url"`
+	Object *GitObject `json:"object"`
+}
+
+// GitObject represents a Git object.
+type GitObject struct {
+	Type string `json:"type"`
+	SHA  string `json:"sha"`
+	URL  string `json:"url"`
+}
+
+// GetRepoRef get one ref's information of one repository
+func (c *Client) GetRepoRef(user, repo, ref string) (*Reference, error) {
+	ref = strings.TrimPrefix(ref, "refs/")
+	r := new(Reference)
+	err := c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/git/refs/%s", user, repo, ref), nil, nil, &r)
+	if _, ok := err.(*json.UnmarshalTypeError); ok {
+		// Multiple refs
+		return nil, errors.New("no exact match found for this ref")
+	} else if err != nil {
+		return nil, err
+	}
+
+	return r, nil
+}
+
+// GetRepoRefs get list of ref's information of one repository
+func (c *Client) GetRepoRefs(user, repo, ref string) ([]*Reference, error) {
+	ref = strings.TrimPrefix(ref, "refs/")
+	resp, err := c.getResponse("GET", fmt.Sprintf("/repos/%s/%s/git/refs/%s", user, repo, ref), nil, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	// Attempt to unmarshal single returned ref.
+	r := new(Reference)
+	refErr := json.Unmarshal(resp, r)
+	if refErr == nil {
+		return []*Reference{r}, nil
+	}
+
+	// Attempt to unmarshal multiple refs.
+	var rs []*Reference
+	refsErr := json.Unmarshal(resp, &rs)
+	if refsErr == nil {
+		if len(rs) == 0 {
+			return nil, errors.New("unexpected response: an array of refs with length 0")
+		}
+		return rs, nil
+	}
+
+	return nil, fmt.Errorf("unmarshalling failed for both single and multiple refs: %s and %s", refErr, refsErr)
+}

vendor/code.gitea.io/sdk/gitea/repo_tag.go

@@ -0,0 +1,26 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"fmt"
+)
+
+// Tag represents a repository tag
+type Tag struct {
+	Name   string `json:"name"`
+	Commit struct {
+		SHA string `json:"sha"`
+		URL string `json:"url"`
+	} `json:"commit"`
+	ZipballURL string `json:"zipball_url"`
+	TarballURL string `json:"tarball_url"`
+}
+
+// ListRepoTags list all the branches of one repository
+func (c *Client) ListRepoTags(user, repo string) ([]*Tag, error) {
+	tags := make([]*Tag, 0, 10)
+	return tags, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/tags", user, repo), nil, nil, &tags)
+}

vendor/code.gitea.io/sdk/gitea/repo_tree.go

@@ -0,0 +1,41 @@
+// Copyright 2018 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"fmt"
+)
+
+// GitEntry represents a git tree
+type GitEntry struct {
+	Path string `json:"path"`
+	Mode string `json:"mode"`
+	Type string `json:"type"`
+	Size int64  `json:"size"`
+	SHA  string `json:"sha"`
+	URL  string `json:"url"`
+}
+
+// GitTreeResponse returns a git tree
+type GitTreeResponse struct {
+	SHA        string     `json:"sha"`
+	URL        string     `json:"url"`
+	Entries    []GitEntry `json:"tree"`
+	Truncated  bool       `json:"truncated"`
+	Page       int        `json:"page"`
+	TotalCount int        `json:"total_count"`
+}
+
+// GetTrees downloads a file of repository, ref can be branch/tag/commit.
+// e.g.: ref -> master, tree -> macaron.go(no leading slash)
+func (c *Client) GetTrees(user, repo, ref string, recursive bool) (*GitTreeResponse, error) {
+	var trees GitTreeResponse
+	var path = fmt.Sprintf("/repos/%s/%s/git/trees/%s", user, repo, ref)
+	if recursive {
+		path += "?recursive=1"
+	}
+	err := c.getParsedResponse("GET", path, nil, nil, &trees)
+	return &trees, err
+}

vendor/code.gitea.io/sdk/gitea/repo_watch.go

@@ -0,0 +1,41 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"fmt"
+	"net/http"
+	"time"
+)
+
+// WatchInfo represents an API watch status of one repository
+type WatchInfo struct {
+	Subscribed    bool        `json:"subscribed"`
+	Ignored       bool        `json:"ignored"`
+	Reason        interface{} `json:"reason"`
+	CreatedAt     time.Time   `json:"created_at"`
+	URL           string      `json:"url"`
+	RepositoryURL string      `json:"repository_url"`
+}
+
+// GetWatchedRepos list all the watched repos of user
+func (c *Client) GetWatchedRepos(user, pass string) ([]*Repository, error) {
+	repos := make([]*Repository, 0, 10)
+	return repos, c.getParsedResponse("GET", fmt.Sprintf("/users/%s/subscriptions", user),
+		http.Header{"Authorization": []string{"Basic " + BasicAuthEncode(user, pass)}}, nil, &repos)
+}
+
+// WatchRepo start to watch a repository
+func (c *Client) WatchRepo(user, pass, repoUser, repoName string) (*WatchInfo, error) {
+	i := new(WatchInfo)
+	return i, c.getParsedResponse("PUT", fmt.Sprintf("/repos/%s/%s/subscription", repoUser, repoName),
+		http.Header{"Authorization": []string{"Basic " + BasicAuthEncode(user, pass)}}, nil, i)
+}
+
+// UnWatchRepo start to watch a repository
+func (c *Client) UnWatchRepo(user, pass, repoUser, repoName string) (int, error) {
+	return c.getStatusCode("DELETE", fmt.Sprintf("/repos/%s/%s/subscription", repoUser, repoName),
+		http.Header{"Authorization": []string{"Basic " + BasicAuthEncode(user, pass)}}, nil)
+}

vendor/code.gitea.io/sdk/gitea/status.go

@@ -0,0 +1,97 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// StatusState holds the state of a Status
+// It can be "pending", "success", "error", "failure", and "warning"
+type StatusState string
+
+const (
+	// StatusPending is for when the Status is Pending
+	StatusPending StatusState = "pending"
+	// StatusSuccess is for when the Status is Success
+	StatusSuccess StatusState = "success"
+	// StatusError is for when the Status is Error
+	StatusError StatusState = "error"
+	// StatusFailure is for when the Status is Failure
+	StatusFailure StatusState = "failure"
+	// StatusWarning is for when the Status is Warning
+	StatusWarning StatusState = "warning"
+)
+
+// Status holds a single Status of a single Commit
+type Status struct {
+	ID          int64       `json:"id"`
+	State       StatusState `json:"status"`
+	TargetURL   string      `json:"target_url"`
+	Description string      `json:"description"`
+	URL         string      `json:"url"`
+	Context     string      `json:"context"`
+	Creator     *User       `json:"creator"`
+	// swagger:strfmt date-time
+	Created time.Time `json:"created_at"`
+	// swagger:strfmt date-time
+	Updated time.Time `json:"updated_at"`
+}
+
+// CombinedStatus holds the combined state of several statuses for a single commit
+type CombinedStatus struct {
+	State      StatusState `json:"state"`
+	SHA        string      `json:"sha"`
+	TotalCount int         `json:"total_count"`
+	Statuses   []*Status   `json:"statuses"`
+	Repository *Repository `json:"repository"`
+	CommitURL  string      `json:"commit_url"`
+	URL        string      `json:"url"`
+}
+
+// CreateStatusOption holds the information needed to create a new Status for a Commit
+type CreateStatusOption struct {
+	State       StatusState `json:"state"`
+	TargetURL   string      `json:"target_url"`
+	Description string      `json:"description"`
+	Context     string      `json:"context"`
+}
+
+// ListStatusesOption holds pagination information
+type ListStatusesOption struct {
+	Page int
+}
+
+// CreateStatus creates a new Status for a given Commit
+//
+// POST /repos/:owner/:repo/statuses/:sha
+func (c *Client) CreateStatus(owner, repo, sha string, opts CreateStatusOption) (*Status, error) {
+	body, err := json.Marshal(&opts)
+	if err != nil {
+		return nil, err
+	}
+	status := &Status{}
+	return status, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/statuses/%s", owner, repo, sha),
+		jsonHeader, bytes.NewReader(body), status)
+}
+
+// ListStatuses returns all statuses for a given Commit
+//
+// GET /repos/:owner/:repo/commits/:ref/statuses
+func (c *Client) ListStatuses(owner, repo, sha string, opts ListStatusesOption) ([]*Status, error) {
+	statuses := make([]*Status, 0, 10)
+	return statuses, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/commits/%s/statuses?page=%d", owner, repo, sha, opts.Page), nil, nil, &statuses)
+}
+
+// GetCombinedStatus returns the CombinedStatus for a given Commit
+//
+// GET /repos/:owner/:repo/commits/:ref/status
+func (c *Client) GetCombinedStatus(owner, repo, sha string) (*CombinedStatus, error) {
+	status := &CombinedStatus{}
+	return status, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/commits/%s/status", owner, repo, sha), nil, nil, status)
+}

vendor/code.gitea.io/sdk/gitea/user.go

@@ -0,0 +1,53 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// User represents a user
+// swagger:model
+type User struct {
+	// the user's id
+	ID int64 `json:"id"`
+	// the user's username
+	UserName string `json:"login"`
+	// the user's full name
+	FullName string `json:"full_name"`
+	// swagger:strfmt email
+	Email string `json:"email"`
+	// URL to the user's avatar
+	AvatarURL string `json:"avatar_url"`
+	// User locale
+	Language string `json:"language"`
+	// Is the user an administrator
+	IsAdmin bool `json:"is_admin"`
+}
+
+// MarshalJSON implements the json.Marshaler interface for User, adding field(s) for backward compatibility
+func (u User) MarshalJSON() ([]byte, error) {
+	// Re-declaring User to avoid recursion
+	type shadow User
+	return json.Marshal(struct {
+		shadow
+		CompatUserName string `json:"username"`
+	}{shadow(u), u.UserName})
+}
+
+// GetUserInfo get user info by user's name
+func (c *Client) GetUserInfo(user string) (*User, error) {
+	u := new(User)
+	err := c.getParsedResponse("GET", fmt.Sprintf("/users/%s", user), nil, nil, u)
+	return u, err
+}
+
+// GetMyUserInfo get user info of current user
+func (c *Client) GetMyUserInfo() (*User, error) {
+	u := new(User)
+	err := c.getParsedResponse("GET", "/user", nil, nil, u)
+	return u, err
+}

vendor/code.gitea.io/sdk/gitea/user_app.go

@@ -0,0 +1,66 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+// BasicAuthEncode generate base64 of basic auth head
+func BasicAuthEncode(user, pass string) string {
+	return base64.StdEncoding.EncodeToString([]byte(user + ":" + pass))
+}
+
+// AccessToken represents an API access token.
+// swagger:response AccessToken
+type AccessToken struct {
+	ID             int64  `json:"id"`
+	Name           string `json:"name"`
+	Token          string `json:"token"`
+	HashedToken    string `json:"hashed_token"`
+	TokenLastEight string `json:"token_last_eight"`
+}
+
+// AccessTokenList represents a list of API access token.
+// swagger:response AccessTokenList
+type AccessTokenList []*AccessToken
+
+// ListAccessTokens lista all the access tokens of user
+func (c *Client) ListAccessTokens(user, pass string) ([]*AccessToken, error) {
+	tokens := make([]*AccessToken, 0, 10)
+	return tokens, c.getParsedResponse("GET", fmt.Sprintf("/users/%s/tokens", user),
+		http.Header{"Authorization": []string{"Basic " + BasicAuthEncode(user, pass)}}, nil, &tokens)
+}
+
+// CreateAccessTokenOption options when create access token
+// swagger:parameters userCreateToken
+type CreateAccessTokenOption struct {
+	Name string `json:"name" binding:"Required"`
+}
+
+// CreateAccessToken create one access token with options
+func (c *Client) CreateAccessToken(user, pass string, opt CreateAccessTokenOption) (*AccessToken, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	t := new(AccessToken)
+	return t, c.getParsedResponse("POST", fmt.Sprintf("/users/%s/tokens", user),
+		http.Header{
+			"content-type":  []string{"application/json"},
+			"Authorization": []string{"Basic " + BasicAuthEncode(user, pass)}},
+		bytes.NewReader(body), t)
+}
+
+// DeleteAccessToken delete token with key id
+func (c *Client) DeleteAccessToken(user string, keyID int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/user/%s/tokens/%d", user, keyID), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/user_email.go

@@ -0,0 +1,56 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+)
+
+// Email an email address belonging to a user
+type Email struct {
+	// swagger:strfmt email
+	Email    string `json:"email"`
+	Verified bool   `json:"verified"`
+	Primary  bool   `json:"primary"`
+}
+
+// ListEmails all the email addresses of user
+func (c *Client) ListEmails() ([]*Email, error) {
+	emails := make([]*Email, 0, 3)
+	return emails, c.getParsedResponse("GET", "/user/emails", nil, nil, &emails)
+}
+
+// CreateEmailOption options when creating email addresses
+type CreateEmailOption struct {
+	// email addresses to add
+	Emails []string `json:"emails"`
+}
+
+// AddEmail add one email to current user with options
+func (c *Client) AddEmail(opt CreateEmailOption) ([]*Email, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	emails := make([]*Email, 0, 3)
+	return emails, c.getParsedResponse("POST", "/user/emails", jsonHeader, bytes.NewReader(body), emails)
+}
+
+// DeleteEmailOption options when deleting email addresses
+type DeleteEmailOption struct {
+	// email addresses to delete
+	Emails []string `json:"emails"`
+}
+
+// DeleteEmail delete one email of current users'
+func (c *Client) DeleteEmail(opt DeleteEmailOption) error {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return err
+	}
+	_, err = c.getResponse("DELETE", "/user/emails", jsonHeader, bytes.NewReader(body))
+	return err
+}

vendor/code.gitea.io/sdk/gitea/user_follow.go

@@ -0,0 +1,55 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import "fmt"
+
+// ListMyFollowers list all the followers of current user
+func (c *Client) ListMyFollowers(page int) ([]*User, error) {
+	users := make([]*User, 0, 10)
+	return users, c.getParsedResponse("GET", fmt.Sprintf("/user/followers?page=%d", page), nil, nil, &users)
+}
+
+// ListFollowers list all the followers of one user
+func (c *Client) ListFollowers(user string, page int) ([]*User, error) {
+	users := make([]*User, 0, 10)
+	return users, c.getParsedResponse("GET", fmt.Sprintf("/users/%s/followers?page=%d", user, page), nil, nil, &users)
+}
+
+// ListMyFollowing list all the users current user followed
+func (c *Client) ListMyFollowing(page int) ([]*User, error) {
+	users := make([]*User, 0, 10)
+	return users, c.getParsedResponse("GET", fmt.Sprintf("/user/following?page=%d", page), nil, nil, &users)
+}
+
+// ListFollowing list all the users the user followed
+func (c *Client) ListFollowing(user string, page int) ([]*User, error) {
+	users := make([]*User, 0, 10)
+	return users, c.getParsedResponse("GET", fmt.Sprintf("/users/%s/following?page=%d", user, page), nil, nil, &users)
+}
+
+// IsFollowing if current user followed the target
+func (c *Client) IsFollowing(target string) bool {
+	_, err := c.getResponse("GET", fmt.Sprintf("/user/following/%s", target), nil, nil)
+	return err == nil
+}
+
+// IsUserFollowing if the user followed the target
+func (c *Client) IsUserFollowing(user, target string) bool {
+	_, err := c.getResponse("GET", fmt.Sprintf("/users/%s/following/%s", user, target), nil, nil)
+	return err == nil
+}
+
+// Follow set current user follow the target
+func (c *Client) Follow(target string) error {
+	_, err := c.getResponse("PUT", fmt.Sprintf("/user/following/%s", target), nil, nil)
+	return err
+}
+
+// Unfollow set current user unfollow the target
+func (c *Client) Unfollow(target string) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/user/following/%s", target), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/user_gpgkey.go

@@ -0,0 +1,80 @@
+// Copyright 2017 Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// GPGKey a user GPG key to sign commit and tag in repository
+type GPGKey struct {
+	ID                int64          `json:"id"`
+	PrimaryKeyID      string         `json:"primary_key_id"`
+	KeyID             string         `json:"key_id"`
+	PublicKey         string         `json:"public_key"`
+	Emails            []*GPGKeyEmail `json:"emails"`
+	SubsKey           []*GPGKey      `json:"subkeys"`
+	CanSign           bool           `json:"can_sign"`
+	CanEncryptComms   bool           `json:"can_encrypt_comms"`
+	CanEncryptStorage bool           `json:"can_encrypt_storage"`
+	CanCertify        bool           `json:"can_certify"`
+	// swagger:strfmt date-time
+	Created time.Time `json:"created_at,omitempty"`
+	// swagger:strfmt date-time
+	Expires time.Time `json:"expires_at,omitempty"`
+}
+
+// GPGKeyEmail an email attached to a GPGKey
+// swagger:model GPGKeyEmail
+type GPGKeyEmail struct {
+	Email    string `json:"email"`
+	Verified bool   `json:"verified"`
+}
+
+// CreateGPGKeyOption options create user GPG key
+type CreateGPGKeyOption struct {
+	// An armored GPG key to add
+	//
+	// required: true
+	// unique: true
+	ArmoredKey string `json:"armored_public_key" binding:"Required"`
+}
+
+// ListGPGKeys list all the GPG keys of the user
+func (c *Client) ListGPGKeys(user string) ([]*GPGKey, error) {
+	keys := make([]*GPGKey, 0, 10)
+	return keys, c.getParsedResponse("GET", fmt.Sprintf("/users/%s/gpg_keys", user), nil, nil, &keys)
+}
+
+// ListMyGPGKeys list all the GPG keys of current user
+func (c *Client) ListMyGPGKeys() ([]*GPGKey, error) {
+	keys := make([]*GPGKey, 0, 10)
+	return keys, c.getParsedResponse("GET", "/user/gpg_keys", nil, nil, &keys)
+}
+
+// GetGPGKey get current user's GPG key by key id
+func (c *Client) GetGPGKey(keyID int64) (*GPGKey, error) {
+	key := new(GPGKey)
+	return key, c.getParsedResponse("GET", fmt.Sprintf("/user/gpg_keys/%d", keyID), nil, nil, &key)
+}
+
+// CreateGPGKey create GPG key with options
+func (c *Client) CreateGPGKey(opt CreateGPGKeyOption) (*GPGKey, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	key := new(GPGKey)
+	return key, c.getParsedResponse("POST", "/user/gpg_keys", jsonHeader, bytes.NewReader(body), key)
+}
+
+// DeleteGPGKey delete GPG key with key id
+func (c *Client) DeleteGPGKey(keyID int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/user/gpg_keys/%d", keyID), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/user_key.go

@@ -0,0 +1,60 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// PublicKey publickey is a user key to push code to repository
+type PublicKey struct {
+	ID          int64  `json:"id"`
+	Key         string `json:"key"`
+	URL         string `json:"url,omitempty"`
+	Title       string `json:"title,omitempty"`
+	Fingerprint string `json:"fingerprint,omitempty"`
+	// swagger:strfmt date-time
+	Created  time.Time `json:"created_at,omitempty"`
+	Owner    *User     `json:"user,omitempty"`
+	ReadOnly bool      `json:"read_only,omitempty"`
+	KeyType  string    `json:"key_type,omitempty"`
+}
+
+// ListPublicKeys list all the public keys of the user
+func (c *Client) ListPublicKeys(user string) ([]*PublicKey, error) {
+	keys := make([]*PublicKey, 0, 10)
+	return keys, c.getParsedResponse("GET", fmt.Sprintf("/users/%s/keys", user), nil, nil, &keys)
+}
+
+// ListMyPublicKeys list all the public keys of current user
+func (c *Client) ListMyPublicKeys() ([]*PublicKey, error) {
+	keys := make([]*PublicKey, 0, 10)
+	return keys, c.getParsedResponse("GET", "/user/keys", nil, nil, &keys)
+}
+
+// GetPublicKey get current user's public key by key id
+func (c *Client) GetPublicKey(keyID int64) (*PublicKey, error) {
+	key := new(PublicKey)
+	return key, c.getParsedResponse("GET", fmt.Sprintf("/user/keys/%d", keyID), nil, nil, &key)
+}
+
+// CreatePublicKey create public key with options
+func (c *Client) CreatePublicKey(opt CreateKeyOption) (*PublicKey, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	key := new(PublicKey)
+	return key, c.getParsedResponse("POST", "/user/keys", jsonHeader, bytes.NewReader(body), key)
+}
+
+// DeletePublicKey delete public key with key id
+func (c *Client) DeletePublicKey(keyID int64) error {
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/user/keys/%d", keyID), nil, nil)
+	return err
+}

vendor/code.gitea.io/sdk/gitea/user_search.go

@@ -0,0 +1,14 @@
+package gitea
+
+import "fmt"
+
+type searchUsersResponse struct {
+	Users []*User `json:"data"`
+}
+
+// SearchUsers finds users by query
+func (c *Client) SearchUsers(query string, limit int) ([]*User, error) {
+	resp := new(searchUsersResponse)
+	err := c.getParsedResponse("GET", fmt.Sprintf("/users/search?q=%s&limit=%d", query, limit), nil, nil, &resp)
+	return resp.Users, err
+}

vendor/code.gitea.io/sdk/gitea/utils.go

@@ -0,0 +1,26 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"net/http"
+)
+
+var jsonHeader = http.Header{"content-type": []string{"application/json"}}
+
+// Bool return address of bool value
+func Bool(v bool) *bool {
+	return &v
+}
+
+// String return address of string value
+func String(v string) *string {
+	return &v
+}
+
+// Int64 return address of int64 value
+func Int64(v int64) *int64 {
+	return &v
+}

vendor/github.com/go-gitea/yaml/.travis.yml

@@ -0,0 +1,9 @@
+language: go
+
+go:
+    - 1.4
+    - 1.5
+    - 1.6
+    - tip
+
+go_import_path: gopkg.in/yaml.v2

vendor/github.com/go-gitea/yaml/LICENSE

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
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+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
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+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
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+   3. Grant of Patent License. Subject to the terms and conditions of
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+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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+
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+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
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+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
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+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
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+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
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+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
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+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
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+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright {yyyy} {name of copyright owner}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

vendor/github.com/go-gitea/yaml/LICENSE.libyaml

@@ -0,0 +1,31 @@
+The following files were ported to Go from C files of libyaml, and thus
+are still covered by their original copyright and license:
+
+    apic.go
+    emitterc.go
+    parserc.go
+    readerc.go
+    scannerc.go
+    writerc.go
+    yamlh.go
+    yamlprivateh.go
+
+Copyright (c) 2006 Kirill Simonov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/go-gitea/yaml/README.md

@@ -0,0 +1,133 @@
+# YAML support for the Go language
+
+Introduction
+------------
+
+The yaml package enables Go programs to comfortably encode and decode YAML
+values. It was developed within [Canonical](https://www.canonical.com) as
+part of the [juju](https://juju.ubuntu.com) project, and is based on a
+pure Go port of the well-known [libyaml](http://pyyaml.org/wiki/LibYAML)
+C library to parse and generate YAML data quickly and reliably.
+
+Compatibility
+-------------
+
+The yaml package supports most of YAML 1.1 and 1.2, including support for
+anchors, tags, map merging, etc. Multi-document unmarshalling is not yet
+implemented, and base-60 floats from YAML 1.1 are purposefully not
+supported since they're a poor design and are gone in YAML 1.2.
+
+Installation and usage
+----------------------
+
+The import path for the package is *gopkg.in/yaml.v2*.
+
+To install it, run:
+
+    go get gopkg.in/yaml.v2
+
+API documentation
+-----------------
+
+If opened in a browser, the import path itself leads to the API documentation:
+
+  * [https://gopkg.in/yaml.v2](https://gopkg.in/yaml.v2)
+
+API stability
+-------------
+
+The package API for yaml v2 will remain stable as described in [gopkg.in](https://gopkg.in).
+
+
+License
+-------
+
+The yaml package is licensed under the Apache License 2.0. Please see the LICENSE file for details.
+
+
+Example
+-------
+
+Some more examples can be found in the "examples" folder.
+
+```Go
+package main
+
+import (
+        "fmt"
+        "log"
+
+        "gopkg.in/yaml.v2"
+)
+
+var data = `
+a: Easy!
+b:
+  c: 2
+  d: [3, 4]
+`
+
+type T struct {
+        A string
+        B struct {
+                RenamedC int   `yaml:"c"`
+                D        []int `yaml:",flow"`
+        }
+}
+
+func main() {
+        t := T{}
+    
+        err := yaml.Unmarshal([]byte(data), &t)
+        if err != nil {
+                log.Fatalf("error: %v", err)
+        }
+        fmt.Printf("--- t:\n%v\n\n", t)
+    
+        d, err := yaml.Marshal(&t)
+        if err != nil {
+                log.Fatalf("error: %v", err)
+        }
+        fmt.Printf("--- t dump:\n%s\n\n", string(d))
+    
+        m := make(map[interface{}]interface{})
+    
+        err = yaml.Unmarshal([]byte(data), &m)
+        if err != nil {
+                log.Fatalf("error: %v", err)
+        }
+        fmt.Printf("--- m:\n%v\n\n", m)
+    
+        d, err = yaml.Marshal(&m)
+        if err != nil {
+                log.Fatalf("error: %v", err)
+        }
+        fmt.Printf("--- m dump:\n%s\n\n", string(d))
+}
+```
+
+This example will generate the following output:
+
+```
+--- t:
+{Easy! {2 [3 4]}}
+
+--- t dump:
+a: Easy!
+b:
+  c: 2
+  d: [3, 4]
+
+
+--- m:
+map[a:Easy! b:map[c:2 d:[3 4]]]
+
+--- m dump:
+a: Easy!
+b:
+  c: 2
+  d:
+  - 3
+  - 4
+```
+

vendor/github.com/go-gitea/yaml/apic.go

@@ -0,0 +1,742 @@
+package yaml
+
+import (
+	"io"
+	"os"
+)
+
+func yaml_insert_token(parser *yaml_parser_t, pos int, token *yaml_token_t) {
+	//fmt.Println("yaml_insert_token", "pos:", pos, "typ:", token.typ, "head:", parser.tokens_head, "len:", len(parser.tokens))
+
+	// Check if we can move the queue at the beginning of the buffer.
+	if parser.tokens_head > 0 && len(parser.tokens) == cap(parser.tokens) {
+		if parser.tokens_head != len(parser.tokens) {
+			copy(parser.tokens, parser.tokens[parser.tokens_head:])
+		}
+		parser.tokens = parser.tokens[:len(parser.tokens)-parser.tokens_head]
+		parser.tokens_head = 0
+	}
+	parser.tokens = append(parser.tokens, *token)
+	if pos < 0 {
+		return
+	}
+	copy(parser.tokens[parser.tokens_head+pos+1:], parser.tokens[parser.tokens_head+pos:])
+	parser.tokens[parser.tokens_head+pos] = *token
+}
+
+// Create a new parser object.
+func yaml_parser_initialize(parser *yaml_parser_t) bool {
+	*parser = yaml_parser_t{
+		raw_buffer: make([]byte, 0, input_raw_buffer_size),
+		buffer:     make([]byte, 0, input_buffer_size),
+	}
+	return true
+}
+
+// Destroy a parser object.
+func yaml_parser_delete(parser *yaml_parser_t) {
+	*parser = yaml_parser_t{}
+}
+
+// String read handler.
+func yaml_string_read_handler(parser *yaml_parser_t, buffer []byte) (n int, err error) {
+	if parser.input_pos == len(parser.input) {
+		return 0, io.EOF
+	}
+	n = copy(buffer, parser.input[parser.input_pos:])
+	parser.input_pos += n
+	return n, nil
+}
+
+// File read handler.
+func yaml_file_read_handler(parser *yaml_parser_t, buffer []byte) (n int, err error) {
+	return parser.input_file.Read(buffer)
+}
+
+// Set a string input.
+func yaml_parser_set_input_string(parser *yaml_parser_t, input []byte) {
+	if parser.read_handler != nil {
+		panic("must set the input source only once")
+	}
+	parser.read_handler = yaml_string_read_handler
+	parser.input = input
+	parser.input_pos = 0
+}
+
+// Set a file input.
+func yaml_parser_set_input_file(parser *yaml_parser_t, file *os.File) {
+	if parser.read_handler != nil {
+		panic("must set the input source only once")
+	}
+	parser.read_handler = yaml_file_read_handler
+	parser.input_file = file
+}
+
+// Set the source encoding.
+func yaml_parser_set_encoding(parser *yaml_parser_t, encoding yaml_encoding_t) {
+	if parser.encoding != yaml_ANY_ENCODING {
+		panic("must set the encoding only once")
+	}
+	parser.encoding = encoding
+}
+
+// Create a new emitter object.
+func yaml_emitter_initialize(emitter *yaml_emitter_t) bool {
+	*emitter = yaml_emitter_t{
+		buffer:     make([]byte, output_buffer_size),
+		raw_buffer: make([]byte, 0, output_raw_buffer_size),
+		states:     make([]yaml_emitter_state_t, 0, initial_stack_size),
+		events:     make([]yaml_event_t, 0, initial_queue_size),
+	}
+	return true
+}
+
+// Destroy an emitter object.
+func yaml_emitter_delete(emitter *yaml_emitter_t) {
+	*emitter = yaml_emitter_t{}
+}
+
+// String write handler.
+func yaml_string_write_handler(emitter *yaml_emitter_t, buffer []byte) error {
+	*emitter.output_buffer = append(*emitter.output_buffer, buffer...)
+	return nil
+}
+
+// File write handler.
+func yaml_file_write_handler(emitter *yaml_emitter_t, buffer []byte) error {
+	_, err := emitter.output_file.Write(buffer)
+	return err
+}
+
+// Set a string output.
+func yaml_emitter_set_output_string(emitter *yaml_emitter_t, output_buffer *[]byte) {
+	if emitter.write_handler != nil {
+		panic("must set the output target only once")
+	}
+	emitter.write_handler = yaml_string_write_handler
+	emitter.output_buffer = output_buffer
+}
+
+// Set a file output.
+func yaml_emitter_set_output_file(emitter *yaml_emitter_t, file io.Writer) {
+	if emitter.write_handler != nil {
+		panic("must set the output target only once")
+	}
+	emitter.write_handler = yaml_file_write_handler
+	emitter.output_file = file
+}
+
+// Set the output encoding.
+func yaml_emitter_set_encoding(emitter *yaml_emitter_t, encoding yaml_encoding_t) {
+	if emitter.encoding != yaml_ANY_ENCODING {
+		panic("must set the output encoding only once")
+	}
+	emitter.encoding = encoding
+}
+
+// Set the canonical output style.
+func yaml_emitter_set_canonical(emitter *yaml_emitter_t, canonical bool) {
+	emitter.canonical = canonical
+}
+
+//// Set the indentation increment.
+func yaml_emitter_set_indent(emitter *yaml_emitter_t, indent int) {
+	if indent < 2 || indent > 9 {
+		indent = 2
+	}
+	emitter.best_indent = indent
+}
+
+// Set the preferred line width.
+func yaml_emitter_set_width(emitter *yaml_emitter_t, width int) {
+	if width < 0 {
+		width = -1
+	}
+	emitter.best_width = width
+}
+
+// Set if unescaped non-ASCII characters are allowed.
+func yaml_emitter_set_unicode(emitter *yaml_emitter_t, unicode bool) {
+	emitter.unicode = unicode
+}
+
+// Set the preferred line break character.
+func yaml_emitter_set_break(emitter *yaml_emitter_t, line_break yaml_break_t) {
+	emitter.line_break = line_break
+}
+
+///*
+// * Destroy a token object.
+// */
+//
+//YAML_DECLARE(void)
+//yaml_token_delete(yaml_token_t *token)
+//{
+//    assert(token);  // Non-NULL token object expected.
+//
+//    switch (token.type)
+//    {
+//        case YAML_TAG_DIRECTIVE_TOKEN:
+//            yaml_free(token.data.tag_directive.handle);
+//            yaml_free(token.data.tag_directive.prefix);
+//            break;
+//
+//        case YAML_ALIAS_TOKEN:
+//            yaml_free(token.data.alias.value);
+//            break;
+//
+//        case YAML_ANCHOR_TOKEN:
+//            yaml_free(token.data.anchor.value);
+//            break;
+//
+//        case YAML_TAG_TOKEN:
+//            yaml_free(token.data.tag.handle);
+//            yaml_free(token.data.tag.suffix);
+//            break;
+//
+//        case YAML_SCALAR_TOKEN:
+//            yaml_free(token.data.scalar.value);
+//            break;
+//
+//        default:
+//            break;
+//    }
+//
+//    memset(token, 0, sizeof(yaml_token_t));
+//}
+//
+///*
+// * Check if a string is a valid UTF-8 sequence.
+// *
+// * Check 'reader.c' for more details on UTF-8 encoding.
+// */
+//
+//static int
+//yaml_check_utf8(yaml_char_t *start, size_t length)
+//{
+//    yaml_char_t *end = start+length;
+//    yaml_char_t *pointer = start;
+//
+//    while (pointer < end) {
+//        unsigned char octet;
+//        unsigned int width;
+//        unsigned int value;
+//        size_t k;
+//
+//        octet = pointer[0];
+//        width = (octet & 0x80) == 0x00 ? 1 :
+//                (octet & 0xE0) == 0xC0 ? 2 :
+//                (octet & 0xF0) == 0xE0 ? 3 :
+//                (octet & 0xF8) == 0xF0 ? 4 : 0;
+//        value = (octet & 0x80) == 0x00 ? octet & 0x7F :
+//                (octet & 0xE0) == 0xC0 ? octet & 0x1F :
+//                (octet & 0xF0) == 0xE0 ? octet & 0x0F :
+//                (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0;
+//        if (!width) return 0;
+//        if (pointer+width > end) return 0;
+//        for (k = 1; k < width; k ++) {
+//            octet = pointer[k];
+//            if ((octet & 0xC0) != 0x80) return 0;
+//            value = (value << 6) + (octet & 0x3F);
+//        }
+//        if (!((width == 1) ||
+//            (width == 2 && value >= 0x80) ||
+//            (width == 3 && value >= 0x800) ||
+//            (width == 4 && value >= 0x10000))) return 0;
+//
+//        pointer += width;
+//    }
+//
+//    return 1;
+//}
+//
+
+// Create STREAM-START.
+func yaml_stream_start_event_initialize(event *yaml_event_t, encoding yaml_encoding_t) bool {
+	*event = yaml_event_t{
+		typ:      yaml_STREAM_START_EVENT,
+		encoding: encoding,
+	}
+	return true
+}
+
+// Create STREAM-END.
+func yaml_stream_end_event_initialize(event *yaml_event_t) bool {
+	*event = yaml_event_t{
+		typ: yaml_STREAM_END_EVENT,
+	}
+	return true
+}
+
+// Create DOCUMENT-START.
+func yaml_document_start_event_initialize(event *yaml_event_t, version_directive *yaml_version_directive_t,
+	tag_directives []yaml_tag_directive_t, implicit bool) bool {
+	*event = yaml_event_t{
+		typ:               yaml_DOCUMENT_START_EVENT,
+		version_directive: version_directive,
+		tag_directives:    tag_directives,
+		implicit:          implicit,
+	}
+	return true
+}
+
+// Create DOCUMENT-END.
+func yaml_document_end_event_initialize(event *yaml_event_t, implicit bool) bool {
+	*event = yaml_event_t{
+		typ:      yaml_DOCUMENT_END_EVENT,
+		implicit: implicit,
+	}
+	return true
+}
+
+///*
+// * Create ALIAS.
+// */
+//
+//YAML_DECLARE(int)
+//yaml_alias_event_initialize(event *yaml_event_t, anchor *yaml_char_t)
+//{
+//    mark yaml_mark_t = { 0, 0, 0 }
+//    anchor_copy *yaml_char_t = NULL
+//
+//    assert(event) // Non-NULL event object is expected.
+//    assert(anchor) // Non-NULL anchor is expected.
+//
+//    if (!yaml_check_utf8(anchor, strlen((char *)anchor))) return 0
+//
+//    anchor_copy = yaml_strdup(anchor)
+//    if (!anchor_copy)
+//        return 0
+//
+//    ALIAS_EVENT_INIT(*event, anchor_copy, mark, mark)
+//
+//    return 1
+//}
+
+// Create SCALAR.
+func yaml_scalar_event_initialize(event *yaml_event_t, anchor, tag, value []byte, plain_implicit, quoted_implicit bool, style yaml_scalar_style_t) bool {
+	*event = yaml_event_t{
+		typ:             yaml_SCALAR_EVENT,
+		anchor:          anchor,
+		tag:             tag,
+		value:           value,
+		implicit:        plain_implicit,
+		quoted_implicit: quoted_implicit,
+		style:           yaml_style_t(style),
+	}
+	return true
+}
+
+// Create SEQUENCE-START.
+func yaml_sequence_start_event_initialize(event *yaml_event_t, anchor, tag []byte, implicit bool, style yaml_sequence_style_t) bool {
+	*event = yaml_event_t{
+		typ:      yaml_SEQUENCE_START_EVENT,
+		anchor:   anchor,
+		tag:      tag,
+		implicit: implicit,
+		style:    yaml_style_t(style),
+	}
+	return true
+}
+
+// Create SEQUENCE-END.
+func yaml_sequence_end_event_initialize(event *yaml_event_t) bool {
+	*event = yaml_event_t{
+		typ: yaml_SEQUENCE_END_EVENT,
+	}
+	return true
+}
+
+// Create MAPPING-START.
+func yaml_mapping_start_event_initialize(event *yaml_event_t, anchor, tag []byte, implicit bool, style yaml_mapping_style_t) bool {
+	*event = yaml_event_t{
+		typ:      yaml_MAPPING_START_EVENT,
+		anchor:   anchor,
+		tag:      tag,
+		implicit: implicit,
+		style:    yaml_style_t(style),
+	}
+	return true
+}
+
+// Create MAPPING-END.
+func yaml_mapping_end_event_initialize(event *yaml_event_t) bool {
+	*event = yaml_event_t{
+		typ: yaml_MAPPING_END_EVENT,
+	}
+	return true
+}
+
+// Destroy an event object.
+func yaml_event_delete(event *yaml_event_t) {
+	*event = yaml_event_t{}
+}
+
+///*
+// * Create a document object.
+// */
+//
+//YAML_DECLARE(int)
+//yaml_document_initialize(document *yaml_document_t,
+//        version_directive *yaml_version_directive_t,
+//        tag_directives_start *yaml_tag_directive_t,
+//        tag_directives_end *yaml_tag_directive_t,
+//        start_implicit int, end_implicit int)
+//{
+//    struct {
+//        error yaml_error_type_t
+//    } context
+//    struct {
+//        start *yaml_node_t
+//        end *yaml_node_t
+//        top *yaml_node_t
+//    } nodes = { NULL, NULL, NULL }
+//    version_directive_copy *yaml_version_directive_t = NULL
+//    struct {
+//        start *yaml_tag_directive_t
+//        end *yaml_tag_directive_t
+//        top *yaml_tag_directive_t
+//    } tag_directives_copy = { NULL, NULL, NULL }
+//    value yaml_tag_directive_t = { NULL, NULL }
+//    mark yaml_mark_t = { 0, 0, 0 }
+//
+//    assert(document) // Non-NULL document object is expected.
+//    assert((tag_directives_start && tag_directives_end) ||
+//            (tag_directives_start == tag_directives_end))
+//                            // Valid tag directives are expected.
+//
+//    if (!STACK_INIT(&context, nodes, INITIAL_STACK_SIZE)) goto error
+//
+//    if (version_directive) {
+//        version_directive_copy = yaml_malloc(sizeof(yaml_version_directive_t))
+//        if (!version_directive_copy) goto error
+//        version_directive_copy.major = version_directive.major
+//        version_directive_copy.minor = version_directive.minor
+//    }
+//
+//    if (tag_directives_start != tag_directives_end) {
+//        tag_directive *yaml_tag_directive_t
+//        if (!STACK_INIT(&context, tag_directives_copy, INITIAL_STACK_SIZE))
+//            goto error
+//        for (tag_directive = tag_directives_start
+//                tag_directive != tag_directives_end; tag_directive ++) {
+//            assert(tag_directive.handle)
+//            assert(tag_directive.prefix)
+//            if (!yaml_check_utf8(tag_directive.handle,
+//                        strlen((char *)tag_directive.handle)))
+//                goto error
+//            if (!yaml_check_utf8(tag_directive.prefix,
+//                        strlen((char *)tag_directive.prefix)))
+//                goto error
+//            value.handle = yaml_strdup(tag_directive.handle)
+//            value.prefix = yaml_strdup(tag_directive.prefix)
+//            if (!value.handle || !value.prefix) goto error
+//            if (!PUSH(&context, tag_directives_copy, value))
+//                goto error
+//            value.handle = NULL
+//            value.prefix = NULL
+//        }
+//    }
+//
+//    DOCUMENT_INIT(*document, nodes.start, nodes.end, version_directive_copy,
+//            tag_directives_copy.start, tag_directives_copy.top,
+//            start_implicit, end_implicit, mark, mark)
+//
+//    return 1
+//
+//error:
+//    STACK_DEL(&context, nodes)
+//    yaml_free(version_directive_copy)
+//    while (!STACK_EMPTY(&context, tag_directives_copy)) {
+//        value yaml_tag_directive_t = POP(&context, tag_directives_copy)
+//        yaml_free(value.handle)
+//        yaml_free(value.prefix)
+//    }
+//    STACK_DEL(&context, tag_directives_copy)
+//    yaml_free(value.handle)
+//    yaml_free(value.prefix)
+//
+//    return 0
+//}
+//
+///*
+// * Destroy a document object.
+// */
+//
+//YAML_DECLARE(void)
+//yaml_document_delete(document *yaml_document_t)
+//{
+//    struct {
+//        error yaml_error_type_t
+//    } context
+//    tag_directive *yaml_tag_directive_t
+//
+//    context.error = YAML_NO_ERROR // Eliminate a compliler warning.
+//
+//    assert(document) // Non-NULL document object is expected.
+//
+//    while (!STACK_EMPTY(&context, document.nodes)) {
+//        node yaml_node_t = POP(&context, document.nodes)
+//        yaml_free(node.tag)
+//        switch (node.type) {
+//            case YAML_SCALAR_NODE:
+//                yaml_free(node.data.scalar.value)
+//                break
+//            case YAML_SEQUENCE_NODE:
+//                STACK_DEL(&context, node.data.sequence.items)
+//                break
+//            case YAML_MAPPING_NODE:
+//                STACK_DEL(&context, node.data.mapping.pairs)
+//                break
+//            default:
+//                assert(0) // Should not happen.
+//        }
+//    }
+//    STACK_DEL(&context, document.nodes)
+//
+//    yaml_free(document.version_directive)
+//    for (tag_directive = document.tag_directives.start
+//            tag_directive != document.tag_directives.end
+//            tag_directive++) {
+//        yaml_free(tag_directive.handle)
+//        yaml_free(tag_directive.prefix)
+//    }
+//    yaml_free(document.tag_directives.start)
+//
+//    memset(document, 0, sizeof(yaml_document_t))
+//}
+//
+///**
+// * Get a document node.
+// */
+//
+//YAML_DECLARE(yaml_node_t *)
+//yaml_document_get_node(document *yaml_document_t, index int)
+//{
+//    assert(document) // Non-NULL document object is expected.
+//
+//    if (index > 0 && document.nodes.start + index <= document.nodes.top) {
+//        return document.nodes.start + index - 1
+//    }
+//    return NULL
+//}
+//
+///**
+// * Get the root object.
+// */
+//
+//YAML_DECLARE(yaml_node_t *)
+//yaml_document_get_root_node(document *yaml_document_t)
+//{
+//    assert(document) // Non-NULL document object is expected.
+//
+//    if (document.nodes.top != document.nodes.start) {
+//        return document.nodes.start
+//    }
+//    return NULL
+//}
+//
+///*
+// * Add a scalar node to a document.
+// */
+//
+//YAML_DECLARE(int)
+//yaml_document_add_scalar(document *yaml_document_t,
+//        tag *yaml_char_t, value *yaml_char_t, length int,
+//        style yaml_scalar_style_t)
+//{
+//    struct {
+//        error yaml_error_type_t
+//    } context
+//    mark yaml_mark_t = { 0, 0, 0 }
+//    tag_copy *yaml_char_t = NULL
+//    value_copy *yaml_char_t = NULL
+//    node yaml_node_t
+//
+//    assert(document) // Non-NULL document object is expected.
+//    assert(value) // Non-NULL value is expected.
+//
+//    if (!tag) {
+//        tag = (yaml_char_t *)YAML_DEFAULT_SCALAR_TAG
+//    }
+//
+//    if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
+//    tag_copy = yaml_strdup(tag)
+//    if (!tag_copy) goto error
+//
+//    if (length < 0) {
+//        length = strlen((char *)value)
+//    }
+//
+//    if (!yaml_check_utf8(value, length)) goto error
+//    value_copy = yaml_malloc(length+1)
+//    if (!value_copy) goto error
+//    memcpy(value_copy, value, length)
+//    value_copy[length] = '\0'
+//
+//    SCALAR_NODE_INIT(node, tag_copy, value_copy, length, style, mark, mark)
+//    if (!PUSH(&context, document.nodes, node)) goto error
+//
+//    return document.nodes.top - document.nodes.start
+//
+//error:
+//    yaml_free(tag_copy)
+//    yaml_free(value_copy)
+//
+//    return 0
+//}
+//
+///*
+// * Add a sequence node to a document.
+// */
+//
+//YAML_DECLARE(int)
+//yaml_document_add_sequence(document *yaml_document_t,
+//        tag *yaml_char_t, style yaml_sequence_style_t)
+//{
+//    struct {
+//        error yaml_error_type_t
+//    } context
+//    mark yaml_mark_t = { 0, 0, 0 }
+//    tag_copy *yaml_char_t = NULL
+//    struct {
+//        start *yaml_node_item_t
+//        end *yaml_node_item_t
+//        top *yaml_node_item_t
+//    } items = { NULL, NULL, NULL }
+//    node yaml_node_t
+//
+//    assert(document) // Non-NULL document object is expected.
+//
+//    if (!tag) {
+//        tag = (yaml_char_t *)YAML_DEFAULT_SEQUENCE_TAG
+//    }
+//
+//    if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
+//    tag_copy = yaml_strdup(tag)
+//    if (!tag_copy) goto error
+//
+//    if (!STACK_INIT(&context, items, INITIAL_STACK_SIZE)) goto error
+//
+//    SEQUENCE_NODE_INIT(node, tag_copy, items.start, items.end,
+//            style, mark, mark)
+//    if (!PUSH(&context, document.nodes, node)) goto error
+//
+//    return document.nodes.top - document.nodes.start
+//
+//error:
+//    STACK_DEL(&context, items)
+//    yaml_free(tag_copy)
+//
+//    return 0
+//}
+//
+///*
+// * Add a mapping node to a document.
+// */
+//
+//YAML_DECLARE(int)
+//yaml_document_add_mapping(document *yaml_document_t,
+//        tag *yaml_char_t, style yaml_mapping_style_t)
+//{
+//    struct {
+//        error yaml_error_type_t
+//    } context
+//    mark yaml_mark_t = { 0, 0, 0 }
+//    tag_copy *yaml_char_t = NULL
+//    struct {
+//        start *yaml_node_pair_t
+//        end *yaml_node_pair_t
+//        top *yaml_node_pair_t
+//    } pairs = { NULL, NULL, NULL }
+//    node yaml_node_t
+//
+//    assert(document) // Non-NULL document object is expected.
+//
+//    if (!tag) {
+//        tag = (yaml_char_t *)YAML_DEFAULT_MAPPING_TAG
+//    }
+//
+//    if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
+//    tag_copy = yaml_strdup(tag)
+//    if (!tag_copy) goto error
+//
+//    if (!STACK_INIT(&context, pairs, INITIAL_STACK_SIZE)) goto error
+//
+//    MAPPING_NODE_INIT(node, tag_copy, pairs.start, pairs.end,
+//            style, mark, mark)
+//    if (!PUSH(&context, document.nodes, node)) goto error
+//
+//    return document.nodes.top - document.nodes.start
+//
+//error:
+//    STACK_DEL(&context, pairs)
+//    yaml_free(tag_copy)
+//
+//    return 0
+//}
+//
+///*
+// * Append an item to a sequence node.
+// */
+//
+//YAML_DECLARE(int)
+//yaml_document_append_sequence_item(document *yaml_document_t,
+//        sequence int, item int)
+//{
+//    struct {
+//        error yaml_error_type_t
+//    } context
+//
+//    assert(document) // Non-NULL document is required.
+//    assert(sequence > 0
+//            && document.nodes.start + sequence <= document.nodes.top)
+//                            // Valid sequence id is required.
+//    assert(document.nodes.start[sequence-1].type == YAML_SEQUENCE_NODE)
+//                            // A sequence node is required.
+//    assert(item > 0 && document.nodes.start + item <= document.nodes.top)
+//                            // Valid item id is required.
+//
+//    if (!PUSH(&context,
+//                document.nodes.start[sequence-1].data.sequence.items, item))
+//        return 0
+//
+//    return 1
+//}
+//
+///*
+// * Append a pair of a key and a value to a mapping node.
+// */
+//
+//YAML_DECLARE(int)
+//yaml_document_append_mapping_pair(document *yaml_document_t,
+//        mapping int, key int, value int)
+//{
+//    struct {
+//        error yaml_error_type_t
+//    } context
+//
+//    pair yaml_node_pair_t
+//
+//    assert(document) // Non-NULL document is required.
+//    assert(mapping > 0
+//            && document.nodes.start + mapping <= document.nodes.top)
+//                            // Valid mapping id is required.
+//    assert(document.nodes.start[mapping-1].type == YAML_MAPPING_NODE)
+//                            // A mapping node is required.
+//    assert(key > 0 && document.nodes.start + key <= document.nodes.top)
+//                            // Valid key id is required.
+//    assert(value > 0 && document.nodes.start + value <= document.nodes.top)
+//                            // Valid value id is required.
+//
+//    pair.key = key
+//    pair.value = value
+//
+//    if (!PUSH(&context,
+//                document.nodes.start[mapping-1].data.mapping.pairs, pair))
+//        return 0
+//
+//    return 1
+//}
+//
+//

vendor/github.com/go-gitea/yaml/decode.go

@@ -0,0 +1,685 @@
+package yaml
+
+import (
+	"encoding"
+	"encoding/base64"
+	"fmt"
+	"math"
+	"reflect"
+	"strconv"
+	"time"
+)
+
+const (
+	documentNode = 1 << iota
+	mappingNode
+	sequenceNode
+	scalarNode
+	aliasNode
+)
+
+type node struct {
+	kind         int
+	line, column int
+	tag          string
+	value        string
+	implicit     bool
+	children     []*node
+	anchors      map[string]*node
+}
+
+// ----------------------------------------------------------------------------
+// Parser, produces a node tree out of a libyaml event stream.
+
+type parser struct {
+	parser yaml_parser_t
+	event  yaml_event_t
+	doc    *node
+}
+
+func newParser(b []byte) *parser {
+	p := parser{}
+	if !yaml_parser_initialize(&p.parser) {
+		panic("failed to initialize YAML emitter")
+	}
+
+	if len(b) == 0 {
+		b = []byte{'\n'}
+	}
+
+	yaml_parser_set_input_string(&p.parser, b)
+
+	p.skip()
+	if p.event.typ != yaml_STREAM_START_EVENT {
+		panic("expected stream start event, got " + strconv.Itoa(int(p.event.typ)))
+	}
+	p.skip()
+	return &p
+}
+
+func (p *parser) destroy() {
+	if p.event.typ != yaml_NO_EVENT {
+		yaml_event_delete(&p.event)
+	}
+	yaml_parser_delete(&p.parser)
+}
+
+func (p *parser) skip() {
+	if p.event.typ != yaml_NO_EVENT {
+		if p.event.typ == yaml_STREAM_END_EVENT {
+			failf("attempted to go past the end of stream; corrupted value?")
+		}
+		yaml_event_delete(&p.event)
+	}
+	if !yaml_parser_parse(&p.parser, &p.event) {
+		p.fail()
+	}
+}
+
+func (p *parser) fail() {
+	var where string
+	var line int
+	if p.parser.problem_mark.line != 0 {
+		line = p.parser.problem_mark.line
+	} else if p.parser.context_mark.line != 0 {
+		line = p.parser.context_mark.line
+	}
+	if line != 0 {
+		where = "line " + strconv.Itoa(line) + ": "
+	}
+	var msg string
+	if len(p.parser.problem) > 0 {
+		msg = p.parser.problem
+	} else {
+		msg = "unknown problem parsing YAML content"
+	}
+	failf("%s%s", where, msg)
+}
+
+func (p *parser) anchor(n *node, anchor []byte) {
+	if anchor != nil {
+		p.doc.anchors[string(anchor)] = n
+	}
+}
+
+func (p *parser) parse() *node {
+	switch p.event.typ {
+	case yaml_SCALAR_EVENT:
+		return p.scalar()
+	case yaml_ALIAS_EVENT:
+		return p.alias()
+	case yaml_MAPPING_START_EVENT:
+		return p.mapping()
+	case yaml_SEQUENCE_START_EVENT:
+		return p.sequence()
+	case yaml_DOCUMENT_START_EVENT:
+		return p.document()
+	case yaml_STREAM_END_EVENT:
+		// Happens when attempting to decode an empty buffer.
+		return nil
+	default:
+		panic("attempted to parse unknown event: " + strconv.Itoa(int(p.event.typ)))
+	}
+}
+
+func (p *parser) node(kind int) *node {
+	return &node{
+		kind:   kind,
+		line:   p.event.start_mark.line,
+		column: p.event.start_mark.column,
+	}
+}
+
+func (p *parser) document() *node {
+	n := p.node(documentNode)
+	n.anchors = make(map[string]*node)
+	p.doc = n
+	p.skip()
+	n.children = append(n.children, p.parse())
+	if p.event.typ != yaml_DOCUMENT_END_EVENT {
+		panic("expected end of document event but got " + strconv.Itoa(int(p.event.typ)))
+	}
+	p.skip()
+	return n
+}
+
+func (p *parser) alias() *node {
+	n := p.node(aliasNode)
+	n.value = string(p.event.anchor)
+	p.skip()
+	return n
+}
+
+func (p *parser) scalar() *node {
+	n := p.node(scalarNode)
+	n.value = string(p.event.value)
+	n.tag = string(p.event.tag)
+	n.implicit = p.event.implicit
+	p.anchor(n, p.event.anchor)
+	p.skip()
+	return n
+}
+
+func (p *parser) sequence() *node {
+	n := p.node(sequenceNode)
+	p.anchor(n, p.event.anchor)
+	p.skip()
+	for p.event.typ != yaml_SEQUENCE_END_EVENT {
+		n.children = append(n.children, p.parse())
+	}
+	p.skip()
+	return n
+}
+
+func (p *parser) mapping() *node {
+	n := p.node(mappingNode)
+	p.anchor(n, p.event.anchor)
+	p.skip()
+	for p.event.typ != yaml_MAPPING_END_EVENT {
+		n.children = append(n.children, p.parse(), p.parse())
+	}
+	p.skip()
+	return n
+}
+
+// ----------------------------------------------------------------------------
+// Decoder, unmarshals a node into a provided value.
+
+type decoder struct {
+	doc     *node
+	aliases map[string]bool
+	mapType reflect.Type
+	terrors []string
+	strict  bool
+}
+
+var (
+	mapItemType    = reflect.TypeOf(MapItem{})
+	durationType   = reflect.TypeOf(time.Duration(0))
+	defaultMapType = reflect.TypeOf(map[interface{}]interface{}{})
+	ifaceType      = defaultMapType.Elem()
+)
+
+func newDecoder(strict bool) *decoder {
+	d := &decoder{mapType: defaultMapType, strict: strict}
+	d.aliases = make(map[string]bool)
+	return d
+}
+
+func (d *decoder) terror(n *node, tag string, out reflect.Value) {
+	if n.tag != "" {
+		tag = n.tag
+	}
+	value := n.value
+	if tag != yaml_SEQ_TAG && tag != yaml_MAP_TAG {
+		if len(value) > 10 {
+			value = " `" + value[:7] + "...`"
+		} else {
+			value = " `" + value + "`"
+		}
+	}
+	d.terrors = append(d.terrors, fmt.Sprintf("line %d: cannot unmarshal %s%s into %s", n.line+1, shortTag(tag), value, out.Type()))
+}
+
+func (d *decoder) callUnmarshaler(n *node, u Unmarshaler) (good bool) {
+	terrlen := len(d.terrors)
+	err := u.UnmarshalYAML(func(v interface{}) (err error) {
+		defer handleErr(&err)
+		d.unmarshal(n, reflect.ValueOf(v))
+		if len(d.terrors) > terrlen {
+			issues := d.terrors[terrlen:]
+			d.terrors = d.terrors[:terrlen]
+			return &TypeError{issues}
+		}
+		return nil
+	})
+	if e, ok := err.(*TypeError); ok {
+		d.terrors = append(d.terrors, e.Errors...)
+		return false
+	}
+	if err != nil {
+		fail(err)
+	}
+	return true
+}
+
+// d.prepare initializes and dereferences pointers and calls UnmarshalYAML
+// if a value is found to implement it.
+// It returns the initialized and dereferenced out value, whether
+// unmarshalling was already done by UnmarshalYAML, and if so whether
+// its types unmarshalled appropriately.
+//
+// If n holds a null value, prepare returns before doing anything.
+func (d *decoder) prepare(n *node, out reflect.Value) (newout reflect.Value, unmarshaled, good bool) {
+	if n.tag == yaml_NULL_TAG || n.kind == scalarNode && n.tag == "" && (n.value == "null" || n.value == "" && n.implicit) {
+		return out, false, false
+	}
+	again := true
+	for again {
+		again = false
+		if out.Kind() == reflect.Ptr {
+			if out.IsNil() {
+				out.Set(reflect.New(out.Type().Elem()))
+			}
+			out = out.Elem()
+			again = true
+		}
+		if out.CanAddr() {
+			if u, ok := out.Addr().Interface().(Unmarshaler); ok {
+				good = d.callUnmarshaler(n, u)
+				return out, true, good
+			}
+		}
+	}
+	return out, false, false
+}
+
+func (d *decoder) unmarshal(n *node, out reflect.Value) (good bool) {
+	switch n.kind {
+	case documentNode:
+		return d.document(n, out)
+	case aliasNode:
+		return d.alias(n, out)
+	}
+	out, unmarshaled, good := d.prepare(n, out)
+	if unmarshaled {
+		return good
+	}
+	switch n.kind {
+	case scalarNode:
+		good = d.scalar(n, out)
+	case mappingNode:
+		good = d.mapping(n, out)
+	case sequenceNode:
+		good = d.sequence(n, out)
+	default:
+		panic("internal error: unknown node kind: " + strconv.Itoa(n.kind))
+	}
+	return good
+}
+
+func (d *decoder) document(n *node, out reflect.Value) (good bool) {
+	if len(n.children) == 1 {
+		d.doc = n
+		d.unmarshal(n.children[0], out)
+		return true
+	}
+	return false
+}
+
+func (d *decoder) alias(n *node, out reflect.Value) (good bool) {
+	an, ok := d.doc.anchors[n.value]
+	if !ok {
+		failf("unknown anchor '%s' referenced", n.value)
+	}
+	if d.aliases[n.value] {
+		failf("anchor '%s' value contains itself", n.value)
+	}
+	d.aliases[n.value] = true
+	good = d.unmarshal(an, out)
+	delete(d.aliases, n.value)
+	return good
+}
+
+var zeroValue reflect.Value
+
+func resetMap(out reflect.Value) {
+	for _, k := range out.MapKeys() {
+		out.SetMapIndex(k, zeroValue)
+	}
+}
+
+func (d *decoder) scalar(n *node, out reflect.Value) (good bool) {
+	var tag string
+	var resolved interface{}
+	if n.tag == "" && !n.implicit {
+		tag = yaml_STR_TAG
+		resolved = n.value
+	} else {
+		tag, resolved = resolve(n.tag, n.value)
+		if tag == yaml_BINARY_TAG {
+			data, err := base64.StdEncoding.DecodeString(resolved.(string))
+			if err != nil {
+				failf("!!binary value contains invalid base64 data")
+			}
+			resolved = string(data)
+		}
+	}
+	if resolved == nil {
+		if out.Kind() == reflect.Map && !out.CanAddr() {
+			resetMap(out)
+		} else {
+			out.Set(reflect.Zero(out.Type()))
+		}
+		return true
+	}
+	if s, ok := resolved.(string); ok && out.CanAddr() {
+		if u, ok := out.Addr().Interface().(encoding.TextUnmarshaler); ok {
+			err := u.UnmarshalText([]byte(s))
+			if err != nil {
+				fail(err)
+			}
+			return true
+		}
+	}
+	switch out.Kind() {
+	case reflect.String:
+		if tag == yaml_BINARY_TAG {
+			out.SetString(resolved.(string))
+			good = true
+		} else if resolved != nil {
+			out.SetString(n.value)
+			good = true
+		}
+	case reflect.Interface:
+		if resolved == nil {
+			out.Set(reflect.Zero(out.Type()))
+		} else {
+			out.Set(reflect.ValueOf(resolved))
+		}
+		good = true
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		switch resolved := resolved.(type) {
+		case int:
+			if !out.OverflowInt(int64(resolved)) {
+				out.SetInt(int64(resolved))
+				good = true
+			}
+		case int64:
+			if !out.OverflowInt(resolved) {
+				out.SetInt(resolved)
+				good = true
+			}
+		case uint64:
+			if resolved <= math.MaxInt64 && !out.OverflowInt(int64(resolved)) {
+				out.SetInt(int64(resolved))
+				good = true
+			}
+		case float64:
+			if resolved <= math.MaxInt64 && !out.OverflowInt(int64(resolved)) {
+				out.SetInt(int64(resolved))
+				good = true
+			}
+		case string:
+			if out.Type() == durationType {
+				d, err := time.ParseDuration(resolved)
+				if err == nil {
+					out.SetInt(int64(d))
+					good = true
+				}
+			}
+		}
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		switch resolved := resolved.(type) {
+		case int:
+			if resolved >= 0 && !out.OverflowUint(uint64(resolved)) {
+				out.SetUint(uint64(resolved))
+				good = true
+			}
+		case int64:
+			if resolved >= 0 && !out.OverflowUint(uint64(resolved)) {
+				out.SetUint(uint64(resolved))
+				good = true
+			}
+		case uint64:
+			if !out.OverflowUint(uint64(resolved)) {
+				out.SetUint(uint64(resolved))
+				good = true
+			}
+		case float64:
+			if resolved <= math.MaxUint64 && !out.OverflowUint(uint64(resolved)) {
+				out.SetUint(uint64(resolved))
+				good = true
+			}
+		}
+	case reflect.Bool:
+		switch resolved := resolved.(type) {
+		case bool:
+			out.SetBool(resolved)
+			good = true
+		}
+	case reflect.Float32, reflect.Float64:
+		switch resolved := resolved.(type) {
+		case int:
+			out.SetFloat(float64(resolved))
+			good = true
+		case int64:
+			out.SetFloat(float64(resolved))
+			good = true
+		case uint64:
+			out.SetFloat(float64(resolved))
+			good = true
+		case float64:
+			out.SetFloat(resolved)
+			good = true
+		}
+	case reflect.Ptr:
+		if out.Type().Elem() == reflect.TypeOf(resolved) {
+			// TODO DOes this make sense? When is out a Ptr except when decoding a nil value?
+			elem := reflect.New(out.Type().Elem())
+			elem.Elem().Set(reflect.ValueOf(resolved))
+			out.Set(elem)
+			good = true
+		}
+	}
+	if !good {
+		d.terror(n, tag, out)
+	}
+	return good
+}
+
+func settableValueOf(i interface{}) reflect.Value {
+	v := reflect.ValueOf(i)
+	sv := reflect.New(v.Type()).Elem()
+	sv.Set(v)
+	return sv
+}
+
+func (d *decoder) sequence(n *node, out reflect.Value) (good bool) {
+	l := len(n.children)
+
+	var iface reflect.Value
+	switch out.Kind() {
+	case reflect.Slice:
+		out.Set(reflect.MakeSlice(out.Type(), l, l))
+	case reflect.Interface:
+		// No type hints. Will have to use a generic sequence.
+		iface = out
+		out = settableValueOf(make([]interface{}, l))
+	default:
+		d.terror(n, yaml_SEQ_TAG, out)
+		return false
+	}
+	et := out.Type().Elem()
+
+	j := 0
+	for i := 0; i < l; i++ {
+		e := reflect.New(et).Elem()
+		if ok := d.unmarshal(n.children[i], e); ok {
+			out.Index(j).Set(e)
+			j++
+		}
+	}
+	out.Set(out.Slice(0, j))
+	if iface.IsValid() {
+		iface.Set(out)
+	}
+	return true
+}
+
+func (d *decoder) mapping(n *node, out reflect.Value) (good bool) {
+	switch out.Kind() {
+	case reflect.Struct:
+		return d.mappingStruct(n, out)
+	case reflect.Slice:
+		return d.mappingSlice(n, out)
+	case reflect.Map:
+		// okay
+	case reflect.Interface:
+		if d.mapType.Kind() == reflect.Map {
+			iface := out
+			out = reflect.MakeMap(d.mapType)
+			iface.Set(out)
+		} else {
+			slicev := reflect.New(d.mapType).Elem()
+			if !d.mappingSlice(n, slicev) {
+				return false
+			}
+			out.Set(slicev)
+			return true
+		}
+	default:
+		d.terror(n, yaml_MAP_TAG, out)
+		return false
+	}
+	outt := out.Type()
+	kt := outt.Key()
+	et := outt.Elem()
+
+	mapType := d.mapType
+	if outt.Key() == ifaceType && outt.Elem() == ifaceType {
+		d.mapType = outt
+	}
+
+	if out.IsNil() {
+		out.Set(reflect.MakeMap(outt))
+	}
+	l := len(n.children)
+	for i := 0; i < l; i += 2 {
+		if isMerge(n.children[i]) {
+			d.merge(n.children[i+1], out)
+			continue
+		}
+		k := reflect.New(kt).Elem()
+		if d.unmarshal(n.children[i], k) {
+			kkind := k.Kind()
+			if kkind == reflect.Interface {
+				kkind = k.Elem().Kind()
+			}
+			if kkind == reflect.Map || kkind == reflect.Slice {
+				failf("invalid map key: %#v", k.Interface())
+			}
+			e := reflect.New(et).Elem()
+			if d.unmarshal(n.children[i+1], e) {
+				out.SetMapIndex(k, e)
+			}
+		}
+	}
+	d.mapType = mapType
+	return true
+}
+
+func (d *decoder) mappingSlice(n *node, out reflect.Value) (good bool) {
+	outt := out.Type()
+	if outt.Elem() != mapItemType {
+		d.terror(n, yaml_MAP_TAG, out)
+		return false
+	}
+
+	mapType := d.mapType
+	d.mapType = outt
+
+	var slice []MapItem
+	var l = len(n.children)
+	for i := 0; i < l; i += 2 {
+		if isMerge(n.children[i]) {
+			d.merge(n.children[i+1], out)
+			continue
+		}
+		item := MapItem{}
+		k := reflect.ValueOf(&item.Key).Elem()
+		if d.unmarshal(n.children[i], k) {
+			v := reflect.ValueOf(&item.Value).Elem()
+			if d.unmarshal(n.children[i+1], v) {
+				slice = append(slice, item)
+			}
+		}
+	}
+	out.Set(reflect.ValueOf(slice))
+	d.mapType = mapType
+	return true
+}
+
+func (d *decoder) mappingStruct(n *node, out reflect.Value) (good bool) {
+	sinfo, err := getStructInfo(out.Type())
+	if err != nil {
+		panic(err)
+	}
+	name := settableValueOf("")
+	l := len(n.children)
+
+	var inlineMap reflect.Value
+	var elemType reflect.Type
+	if sinfo.InlineMap != -1 {
+		inlineMap = out.Field(sinfo.InlineMap)
+		inlineMap.Set(reflect.New(inlineMap.Type()).Elem())
+		elemType = inlineMap.Type().Elem()
+	}
+
+	for i := 0; i < l; i += 2 {
+		ni := n.children[i]
+		if isMerge(ni) {
+			d.merge(n.children[i+1], out)
+			continue
+		}
+		if !d.unmarshal(ni, name) {
+			continue
+		}
+		if info, ok := sinfo.FieldsMap[name.String()]; ok {
+			var field reflect.Value
+			if info.Inline == nil {
+				field = out.Field(info.Num)
+			} else {
+				field = out.FieldByIndex(info.Inline)
+			}
+			d.unmarshal(n.children[i+1], field)
+		} else if sinfo.InlineMap != -1 {
+			if inlineMap.IsNil() {
+				inlineMap.Set(reflect.MakeMap(inlineMap.Type()))
+			}
+			value := reflect.New(elemType).Elem()
+			d.unmarshal(n.children[i+1], value)
+			inlineMap.SetMapIndex(name, value)
+		} else if d.strict {
+			d.terrors = append(d.terrors, fmt.Sprintf("line %d: field %s not found in struct %s", n.line+1, name.String(), out.Type()))
+		}
+	}
+	return true
+}
+
+func failWantMap() {
+	failf("map merge requires map or sequence of maps as the value")
+}
+
+func (d *decoder) merge(n *node, out reflect.Value) {
+	switch n.kind {
+	case mappingNode:
+		d.unmarshal(n, out)
+	case aliasNode:
+		an, ok := d.doc.anchors[n.value]
+		if ok && an.kind != mappingNode {
+			failWantMap()
+		}
+		d.unmarshal(n, out)
+	case sequenceNode:
+		// Step backwards as earlier nodes take precedence.
+		for i := len(n.children) - 1; i >= 0; i-- {
+			ni := n.children[i]
+			if ni.kind == aliasNode {
+				an, ok := d.doc.anchors[ni.value]
+				if ok && an.kind != mappingNode {
+					failWantMap()
+				}
+			} else if ni.kind != mappingNode {
+				failWantMap()
+			}
+			d.unmarshal(ni, out)
+		}
+	default:
+		failWantMap()
+	}
+}
+
+func isMerge(n *node) bool {
+	return n.kind == scalarNode && n.value == "<<" && (n.implicit == true || n.tag == yaml_MERGE_TAG)
+}

vendor/github.com/go-gitea/yaml/encode.go

@@ -0,0 +1,306 @@
+package yaml
+
+import (
+	"encoding"
+	"fmt"
+	"reflect"
+	"regexp"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+)
+
+type encoder struct {
+	emitter yaml_emitter_t
+	event   yaml_event_t
+	out     []byte
+	flow    bool
+}
+
+func newEncoder() (e *encoder) {
+	e = &encoder{}
+	e.must(yaml_emitter_initialize(&e.emitter))
+	yaml_emitter_set_output_string(&e.emitter, &e.out)
+	yaml_emitter_set_unicode(&e.emitter, true)
+	e.must(yaml_stream_start_event_initialize(&e.event, yaml_UTF8_ENCODING))
+	e.emit()
+	e.must(yaml_document_start_event_initialize(&e.event, nil, nil, true))
+	e.emit()
+	return e
+}
+
+func (e *encoder) finish() {
+	e.must(yaml_document_end_event_initialize(&e.event, true))
+	e.emit()
+	e.emitter.open_ended = false
+	e.must(yaml_stream_end_event_initialize(&e.event))
+	e.emit()
+}
+
+func (e *encoder) destroy() {
+	yaml_emitter_delete(&e.emitter)
+}
+
+func (e *encoder) emit() {
+	// This will internally delete the e.event value.
+	if !yaml_emitter_emit(&e.emitter, &e.event) && e.event.typ != yaml_DOCUMENT_END_EVENT && e.event.typ != yaml_STREAM_END_EVENT {
+		e.must(false)
+	}
+}
+
+func (e *encoder) must(ok bool) {
+	if !ok {
+		msg := e.emitter.problem
+		if msg == "" {
+			msg = "unknown problem generating YAML content"
+		}
+		failf("%s", msg)
+	}
+}
+
+func (e *encoder) marshal(tag string, in reflect.Value) {
+	if !in.IsValid() {
+		e.nilv()
+		return
+	}
+	iface := in.Interface()
+	if m, ok := iface.(Marshaler); ok {
+		v, err := m.MarshalYAML()
+		if err != nil {
+			fail(err)
+		}
+		if v == nil {
+			e.nilv()
+			return
+		}
+		in = reflect.ValueOf(v)
+	} else if m, ok := iface.(encoding.TextMarshaler); ok {
+		text, err := m.MarshalText()
+		if err != nil {
+			fail(err)
+		}
+		in = reflect.ValueOf(string(text))
+	}
+	switch in.Kind() {
+	case reflect.Interface:
+		if in.IsNil() {
+			e.nilv()
+		} else {
+			e.marshal(tag, in.Elem())
+		}
+	case reflect.Map:
+		e.mapv(tag, in)
+	case reflect.Ptr:
+		if in.IsNil() {
+			e.nilv()
+		} else {
+			e.marshal(tag, in.Elem())
+		}
+	case reflect.Struct:
+		e.structv(tag, in)
+	case reflect.Slice:
+		if in.Type().Elem() == mapItemType {
+			e.itemsv(tag, in)
+		} else {
+			e.slicev(tag, in)
+		}
+	case reflect.String:
+		e.stringv(tag, in)
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		if in.Type() == durationType {
+			e.stringv(tag, reflect.ValueOf(iface.(time.Duration).String()))
+		} else {
+			e.intv(tag, in)
+		}
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		e.uintv(tag, in)
+	case reflect.Float32, reflect.Float64:
+		e.floatv(tag, in)
+	case reflect.Bool:
+		e.boolv(tag, in)
+	default:
+		panic("cannot marshal type: " + in.Type().String())
+	}
+}
+
+func (e *encoder) mapv(tag string, in reflect.Value) {
+	e.mappingv(tag, func() {
+		keys := keyList(in.MapKeys())
+		sort.Sort(keys)
+		for _, k := range keys {
+			e.marshal("", k)
+			e.marshal("", in.MapIndex(k))
+		}
+	})
+}
+
+func (e *encoder) itemsv(tag string, in reflect.Value) {
+	e.mappingv(tag, func() {
+		slice := in.Convert(reflect.TypeOf([]MapItem{})).Interface().([]MapItem)
+		for _, item := range slice {
+			e.marshal("", reflect.ValueOf(item.Key))
+			e.marshal("", reflect.ValueOf(item.Value))
+		}
+	})
+}
+
+func (e *encoder) structv(tag string, in reflect.Value) {
+	sinfo, err := getStructInfo(in.Type())
+	if err != nil {
+		panic(err)
+	}
+	e.mappingv(tag, func() {
+		for _, info := range sinfo.FieldsList {
+			var value reflect.Value
+			if info.Inline == nil {
+				value = in.Field(info.Num)
+			} else {
+				value = in.FieldByIndex(info.Inline)
+			}
+			if info.OmitEmpty && isZero(value) {
+				continue
+			}
+			e.marshal("", reflect.ValueOf(info.Key))
+			e.flow = info.Flow
+			e.marshal("", value)
+		}
+		if sinfo.InlineMap >= 0 {
+			m := in.Field(sinfo.InlineMap)
+			if m.Len() > 0 {
+				e.flow = false
+				keys := keyList(m.MapKeys())
+				sort.Sort(keys)
+				for _, k := range keys {
+					if _, found := sinfo.FieldsMap[k.String()]; found {
+						panic(fmt.Sprintf("Can't have key %q in inlined map; conflicts with struct field", k.String()))
+					}
+					e.marshal("", k)
+					e.flow = false
+					e.marshal("", m.MapIndex(k))
+				}
+			}
+		}
+	})
+}
+
+func (e *encoder) mappingv(tag string, f func()) {
+	implicit := tag == ""
+	style := yaml_BLOCK_MAPPING_STYLE
+	if e.flow {
+		e.flow = false
+		style = yaml_FLOW_MAPPING_STYLE
+	}
+	e.must(yaml_mapping_start_event_initialize(&e.event, nil, []byte(tag), implicit, style))
+	e.emit()
+	f()
+	e.must(yaml_mapping_end_event_initialize(&e.event))
+	e.emit()
+}
+
+func (e *encoder) slicev(tag string, in reflect.Value) {
+	implicit := tag == ""
+	style := yaml_BLOCK_SEQUENCE_STYLE
+	if e.flow {
+		e.flow = false
+		style = yaml_FLOW_SEQUENCE_STYLE
+	}
+	e.must(yaml_sequence_start_event_initialize(&e.event, nil, []byte(tag), implicit, style))
+	e.emit()
+	n := in.Len()
+	for i := 0; i < n; i++ {
+		e.marshal("", in.Index(i))
+	}
+	e.must(yaml_sequence_end_event_initialize(&e.event))
+	e.emit()
+}
+
+// isBase60 returns whether s is in base 60 notation as defined in YAML 1.1.
+//
+// The base 60 float notation in YAML 1.1 is a terrible idea and is unsupported
+// in YAML 1.2 and by this package, but these should be marshalled quoted for
+// the time being for compatibility with other parsers.
+func isBase60Float(s string) (result bool) {
+	// Fast path.
+	if s == "" {
+		return false
+	}
+	c := s[0]
+	if !(c == '+' || c == '-' || c >= '0' && c <= '9') || strings.IndexByte(s, ':') < 0 {
+		return false
+	}
+	// Do the full match.
+	return base60float.MatchString(s)
+}
+
+// From http://yaml.org/type/float.html, except the regular expression there
+// is bogus. In practice parsers do not enforce the "\.[0-9_]*" suffix.
+var base60float = regexp.MustCompile(`^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+(?:\.[0-9_]*)?$`)
+
+func (e *encoder) stringv(tag string, in reflect.Value) {
+	var style yaml_scalar_style_t
+	s := in.String()
+	rtag, rs := resolve("", s)
+	if rtag == yaml_BINARY_TAG {
+		if tag == "" || tag == yaml_STR_TAG {
+			tag = rtag
+			s = rs.(string)
+		} else if tag == yaml_BINARY_TAG {
+			failf("explicitly tagged !!binary data must be base64-encoded")
+		} else {
+			failf("cannot marshal invalid UTF-8 data as %s", shortTag(tag))
+		}
+	}
+	if tag == "" && (rtag != yaml_STR_TAG || isBase60Float(s)) {
+		style = yaml_DOUBLE_QUOTED_SCALAR_STYLE
+	} else if strings.Contains(s, "\n") {
+		style = yaml_LITERAL_SCALAR_STYLE
+	} else {
+		style = yaml_PLAIN_SCALAR_STYLE
+	}
+	e.emitScalar(s, "", tag, style)
+}
+
+func (e *encoder) boolv(tag string, in reflect.Value) {
+	var s string
+	if in.Bool() {
+		s = "true"
+	} else {
+		s = "false"
+	}
+	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) intv(tag string, in reflect.Value) {
+	s := strconv.FormatInt(in.Int(), 10)
+	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) uintv(tag string, in reflect.Value) {
+	s := strconv.FormatUint(in.Uint(), 10)
+	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) floatv(tag string, in reflect.Value) {
+	// FIXME: Handle 64 bits here.
+	s := strconv.FormatFloat(float64(in.Float()), 'g', -1, 32)
+	switch s {
+	case "+Inf":
+		s = ".inf"
+	case "-Inf":
+		s = "-.inf"
+	case "NaN":
+		s = ".nan"
+	}
+	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) nilv() {
+	e.emitScalar("null", "", "", yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) emitScalar(value, anchor, tag string, style yaml_scalar_style_t) {
+	implicit := tag == ""
+	e.must(yaml_scalar_event_initialize(&e.event, []byte(anchor), []byte(tag), []byte(value), implicit, implicit, style))
+	e.emit()
+}

vendor/github.com/go-gitea/yaml/readerc.go

@@ -0,0 +1,394 @@
+package yaml
+
+import (
+	"io"
+)
+
+// Set the reader error and return 0.
+func yaml_parser_set_reader_error(parser *yaml_parser_t, problem string, offset int, value int) bool {
+	parser.error = yaml_READER_ERROR
+	parser.problem = problem
+	parser.problem_offset = offset
+	parser.problem_value = value
+	return false
+}
+
+// Byte order marks.
+const (
+	bom_UTF8    = "\xef\xbb\xbf"
+	bom_UTF16LE = "\xff\xfe"
+	bom_UTF16BE = "\xfe\xff"
+)
+
+// Determine the input stream encoding by checking the BOM symbol. If no BOM is
+// found, the UTF-8 encoding is assumed. Return 1 on success, 0 on failure.
+func yaml_parser_determine_encoding(parser *yaml_parser_t) bool {
+	// Ensure that we had enough bytes in the raw buffer.
+	for !parser.eof && len(parser.raw_buffer)-parser.raw_buffer_pos < 3 {
+		if !yaml_parser_update_raw_buffer(parser) {
+			return false
+		}
+	}
+
+	// Determine the encoding.
+	buf := parser.raw_buffer
+	pos := parser.raw_buffer_pos
+	avail := len(buf) - pos
+	if avail >= 2 && buf[pos] == bom_UTF16LE[0] && buf[pos+1] == bom_UTF16LE[1] {
+		parser.encoding = yaml_UTF16LE_ENCODING
+		parser.raw_buffer_pos += 2
+		parser.offset += 2
+	} else if avail >= 2 && buf[pos] == bom_UTF16BE[0] && buf[pos+1] == bom_UTF16BE[1] {
+		parser.encoding = yaml_UTF16BE_ENCODING
+		parser.raw_buffer_pos += 2
+		parser.offset += 2
+	} else if avail >= 3 && buf[pos] == bom_UTF8[0] && buf[pos+1] == bom_UTF8[1] && buf[pos+2] == bom_UTF8[2] {
+		parser.encoding = yaml_UTF8_ENCODING
+		parser.raw_buffer_pos += 3
+		parser.offset += 3
+	} else {
+		parser.encoding = yaml_UTF8_ENCODING
+	}
+	return true
+}
+
+// Update the raw buffer.
+func yaml_parser_update_raw_buffer(parser *yaml_parser_t) bool {
+	size_read := 0
+
+	// Return if the raw buffer is full.
+	if parser.raw_buffer_pos == 0 && len(parser.raw_buffer) == cap(parser.raw_buffer) {
+		return true
+	}
+
+	// Return on EOF.
+	if parser.eof {
+		return true
+	}
+
+	// Move the remaining bytes in the raw buffer to the beginning.
+	if parser.raw_buffer_pos > 0 && parser.raw_buffer_pos < len(parser.raw_buffer) {
+		copy(parser.raw_buffer, parser.raw_buffer[parser.raw_buffer_pos:])
+	}
+	parser.raw_buffer = parser.raw_buffer[:len(parser.raw_buffer)-parser.raw_buffer_pos]
+	parser.raw_buffer_pos = 0
+
+	// Call the read handler to fill the buffer.
+	size_read, err := parser.read_handler(parser, parser.raw_buffer[len(parser.raw_buffer):cap(parser.raw_buffer)])
+	parser.raw_buffer = parser.raw_buffer[:len(parser.raw_buffer)+size_read]
+	if err == io.EOF {
+		parser.eof = true
+	} else if err != nil {
+		return yaml_parser_set_reader_error(parser, "input error: "+err.Error(), parser.offset, -1)
+	}
+	return true
+}
+
+// Ensure that the buffer contains at least `length` characters.
+// Return true on success, false on failure.
+//
+// The length is supposed to be significantly less that the buffer size.
+func yaml_parser_update_buffer(parser *yaml_parser_t, length int) bool {
+	if parser.read_handler == nil {
+		panic("read handler must be set")
+	}
+
+	// If the EOF flag is set and the raw buffer is empty, do nothing.
+	if parser.eof && parser.raw_buffer_pos == len(parser.raw_buffer) {
+		return true
+	}
+
+	// Return if the buffer contains enough characters.
+	if parser.unread >= length {
+		return true
+	}
+
+	// Determine the input encoding if it is not known yet.
+	if parser.encoding == yaml_ANY_ENCODING {
+		if !yaml_parser_determine_encoding(parser) {
+			return false
+		}
+	}
+
+	// Move the unread characters to the beginning of the buffer.
+	buffer_len := len(parser.buffer)
+	if parser.buffer_pos > 0 && parser.buffer_pos < buffer_len {
+		copy(parser.buffer, parser.buffer[parser.buffer_pos:])
+		buffer_len -= parser.buffer_pos
+		parser.buffer_pos = 0
+	} else if parser.buffer_pos == buffer_len {
+		buffer_len = 0
+		parser.buffer_pos = 0
+	}
+
+	// Open the whole buffer for writing, and cut it before returning.
+	parser.buffer = parser.buffer[:cap(parser.buffer)]
+
+	// Fill the buffer until it has enough characters.
+	first := true
+	for parser.unread < length {
+
+		// Fill the raw buffer if necessary.
+		if !first || parser.raw_buffer_pos == len(parser.raw_buffer) {
+			if !yaml_parser_update_raw_buffer(parser) {
+				parser.buffer = parser.buffer[:buffer_len]
+				return false
+			}
+		}
+		first = false
+
+		// Decode the raw buffer.
+	inner:
+		for parser.raw_buffer_pos != len(parser.raw_buffer) {
+			var value rune
+			var width int
+
+			raw_unread := len(parser.raw_buffer) - parser.raw_buffer_pos
+
+			// Decode the next character.
+			switch parser.encoding {
+			case yaml_UTF8_ENCODING:
+				// Decode a UTF-8 character.  Check RFC 3629
+				// (http://www.ietf.org/rfc/rfc3629.txt) for more details.
+				//
+				// The following table (taken from the RFC) is used for
+				// decoding.
+				//
+				//    Char. number range |        UTF-8 octet sequence
+				//      (hexadecimal)    |              (binary)
+				//   --------------------+------------------------------------
+				//   0000 0000-0000 007F | 0xxxxxxx
+				//   0000 0080-0000 07FF | 110xxxxx 10xxxxxx
+				//   0000 0800-0000 FFFF | 1110xxxx 10xxxxxx 10xxxxxx
+				//   0001 0000-0010 FFFF | 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
+				//
+				// Additionally, the characters in the range 0xD800-0xDFFF
+				// are prohibited as they are reserved for use with UTF-16
+				// surrogate pairs.
+
+				// Determine the length of the UTF-8 sequence.
+				octet := parser.raw_buffer[parser.raw_buffer_pos]
+				switch {
+				case octet&0x80 == 0x00:
+					width = 1
+				case octet&0xE0 == 0xC0:
+					width = 2
+				case octet&0xF0 == 0xE0:
+					width = 3
+				case octet&0xF8 == 0xF0:
+					width = 4
+				default:
+					// The leading octet is invalid.
+					return yaml_parser_set_reader_error(parser,
+						"invalid leading UTF-8 octet",
+						parser.offset, int(octet))
+				}
+
+				// Check if the raw buffer contains an incomplete character.
+				if width > raw_unread {
+					if parser.eof {
+						return yaml_parser_set_reader_error(parser,
+							"incomplete UTF-8 octet sequence",
+							parser.offset, -1)
+					}
+					break inner
+				}
+
+				// Decode the leading octet.
+				switch {
+				case octet&0x80 == 0x00:
+					value = rune(octet & 0x7F)
+				case octet&0xE0 == 0xC0:
+					value = rune(octet & 0x1F)
+				case octet&0xF0 == 0xE0:
+					value = rune(octet & 0x0F)
+				case octet&0xF8 == 0xF0:
+					value = rune(octet & 0x07)
+				default:
+					value = 0
+				}
+
+				// Check and decode the trailing octets.
+				for k := 1; k < width; k++ {
+					octet = parser.raw_buffer[parser.raw_buffer_pos+k]
+
+					// Check if the octet is valid.
+					if (octet & 0xC0) != 0x80 {
+						return yaml_parser_set_reader_error(parser,
+							"invalid trailing UTF-8 octet",
+							parser.offset+k, int(octet))
+					}
+
+					// Decode the octet.
+					value = (value << 6) + rune(octet&0x3F)
+				}
+
+				// Check the length of the sequence against the value.
+				switch {
+				case width == 1:
+				case width == 2 && value >= 0x80:
+				case width == 3 && value >= 0x800:
+				case width == 4 && value >= 0x10000:
+				default:
+					return yaml_parser_set_reader_error(parser,
+						"invalid length of a UTF-8 sequence",
+						parser.offset, -1)
+				}
+
+				// Check the range of the value.
+				if value >= 0xD800 && value <= 0xDFFF || value > 0x10FFFF {
+					return yaml_parser_set_reader_error(parser,
+						"invalid Unicode character",
+						parser.offset, int(value))
+				}
+
+			case yaml_UTF16LE_ENCODING, yaml_UTF16BE_ENCODING:
+				var low, high int
+				if parser.encoding == yaml_UTF16LE_ENCODING {
+					low, high = 0, 1
+				} else {
+					low, high = 1, 0
+				}
+
+				// The UTF-16 encoding is not as simple as one might
+				// naively think.  Check RFC 2781
+				// (http://www.ietf.org/rfc/rfc2781.txt).
+				//
+				// Normally, two subsequent bytes describe a Unicode
+				// character.  However a special technique (called a
+				// surrogate pair) is used for specifying character
+				// values larger than 0xFFFF.
+				//
+				// A surrogate pair consists of two pseudo-characters:
+				//      high surrogate area (0xD800-0xDBFF)
+				//      low surrogate area (0xDC00-0xDFFF)
+				//
+				// The following formulas are used for decoding
+				// and encoding characters using surrogate pairs:
+				//
+				//  U  = U' + 0x10000   (0x01 00 00 <= U <= 0x10 FF FF)
+				//  U' = yyyyyyyyyyxxxxxxxxxx   (0 <= U' <= 0x0F FF FF)
+				//  W1 = 110110yyyyyyyyyy
+				//  W2 = 110111xxxxxxxxxx
+				//
+				// where U is the character value, W1 is the high surrogate
+				// area, W2 is the low surrogate area.
+
+				// Check for incomplete UTF-16 character.
+				if raw_unread < 2 {
+					if parser.eof {
+						return yaml_parser_set_reader_error(parser,
+							"incomplete UTF-16 character",
+							parser.offset, -1)
+					}
+					break inner
+				}
+
+				// Get the character.
+				value = rune(parser.raw_buffer[parser.raw_buffer_pos+low]) +
+					(rune(parser.raw_buffer[parser.raw_buffer_pos+high]) << 8)
+
+				// Check for unexpected low surrogate area.
+				if value&0xFC00 == 0xDC00 {
+					return yaml_parser_set_reader_error(parser,
+						"unexpected low surrogate area",
+						parser.offset, int(value))
+				}
+
+				// Check for a high surrogate area.
+				if value&0xFC00 == 0xD800 {
+					width = 4
+
+					// Check for incomplete surrogate pair.
+					if raw_unread < 4 {
+						if parser.eof {
+							return yaml_parser_set_reader_error(parser,
+								"incomplete UTF-16 surrogate pair",
+								parser.offset, -1)
+						}
+						break inner
+					}
+
+					// Get the next character.
+					value2 := rune(parser.raw_buffer[parser.raw_buffer_pos+low+2]) +
+						(rune(parser.raw_buffer[parser.raw_buffer_pos+high+2]) << 8)
+
+					// Check for a low surrogate area.
+					if value2&0xFC00 != 0xDC00 {
+						return yaml_parser_set_reader_error(parser,
+							"expected low surrogate area",
+							parser.offset+2, int(value2))
+					}
+
+					// Generate the value of the surrogate pair.
+					value = 0x10000 + ((value & 0x3FF) << 10) + (value2 & 0x3FF)
+				} else {
+					width = 2
+				}
+
+			default:
+				panic("impossible")
+			}
+
+			// Check if the character is in the allowed range:
+			//      #x9 | #xA | #xD | [#x20-#x7E]               (8 bit)
+			//      | #x85 | [#xA0-#xD7FF] | [#xE000-#xFFFD]    (16 bit)
+			//      | [#x10000-#x10FFFF]                        (32 bit)
+			switch {
+			case value == 0x09:
+			case value == 0x0A:
+			case value == 0x0D:
+			case value >= 0x20 && value <= 0x7E:
+			case value == 0x85:
+			case value >= 0xA0 && value <= 0xD7FF:
+			case value >= 0xE000 && value <= 0xFFFD:
+			case value >= 0x10000 && value <= 0x10FFFF:
+			default:
+				return yaml_parser_set_reader_error(parser,
+					"control characters are not allowed",
+					parser.offset, int(value))
+			}
+
+			// Move the raw pointers.
+			parser.raw_buffer_pos += width
+			parser.offset += width
+
+			// Finally put the character into the buffer.
+			if value <= 0x7F {
+				// 0000 0000-0000 007F . 0xxxxxxx
+				parser.buffer[buffer_len+0] = byte(value)
+				buffer_len += 1
+			} else if value <= 0x7FF {
+				// 0000 0080-0000 07FF . 110xxxxx 10xxxxxx
+				parser.buffer[buffer_len+0] = byte(0xC0 + (value >> 6))
+				parser.buffer[buffer_len+1] = byte(0x80 + (value & 0x3F))
+				buffer_len += 2
+			} else if value <= 0xFFFF {
+				// 0000 0800-0000 FFFF . 1110xxxx 10xxxxxx 10xxxxxx
+				parser.buffer[buffer_len+0] = byte(0xE0 + (value >> 12))
+				parser.buffer[buffer_len+1] = byte(0x80 + ((value >> 6) & 0x3F))
+				parser.buffer[buffer_len+2] = byte(0x80 + (value & 0x3F))
+				buffer_len += 3
+			} else {
+				// 0001 0000-0010 FFFF . 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
+				parser.buffer[buffer_len+0] = byte(0xF0 + (value >> 18))
+				parser.buffer[buffer_len+1] = byte(0x80 + ((value >> 12) & 0x3F))
+				parser.buffer[buffer_len+2] = byte(0x80 + ((value >> 6) & 0x3F))
+				parser.buffer[buffer_len+3] = byte(0x80 + (value & 0x3F))
+				buffer_len += 4
+			}
+
+			parser.unread++
+		}
+
+		// On EOF, put NUL into the buffer and return.
+		if parser.eof {
+			parser.buffer[buffer_len] = 0
+			buffer_len++
+			parser.unread++
+			break
+		}
+	}
+	parser.buffer = parser.buffer[:buffer_len]
+	return true
+}

vendor/github.com/go-gitea/yaml/resolve.go

@@ -0,0 +1,208 @@
+package yaml
+
+import (
+	"encoding/base64"
+	"math"
+	"regexp"
+	"strconv"
+	"strings"
+	"unicode/utf8"
+)
+
+type resolveMapItem struct {
+	value interface{}
+	tag   string
+}
+
+var resolveTable = make([]byte, 256)
+var resolveMap = make(map[string]resolveMapItem)
+
+func init() {
+	t := resolveTable
+	t[int('+')] = 'S' // Sign
+	t[int('-')] = 'S'
+	for _, c := range "0123456789" {
+		t[int(c)] = 'D' // Digit
+	}
+	for _, c := range "yYnNtTfFoO~" {
+		t[int(c)] = 'M' // In map
+	}
+	t[int('.')] = '.' // Float (potentially in map)
+
+	var resolveMapList = []struct {
+		v   interface{}
+		tag string
+		l   []string
+	}{
+		{true, yaml_BOOL_TAG, []string{"y", "Y", "yes", "Yes", "YES"}},
+		{true, yaml_BOOL_TAG, []string{"true", "True", "TRUE"}},
+		{true, yaml_BOOL_TAG, []string{"on", "On", "ON"}},
+		{false, yaml_BOOL_TAG, []string{"n", "N", "no", "No", "NO"}},
+		{false, yaml_BOOL_TAG, []string{"false", "False", "FALSE"}},
+		{false, yaml_BOOL_TAG, []string{"off", "Off", "OFF"}},
+		{nil, yaml_NULL_TAG, []string{"", "~", "null", "Null", "NULL"}},
+		{math.NaN(), yaml_FLOAT_TAG, []string{".nan", ".NaN", ".NAN"}},
+		{math.Inf(+1), yaml_FLOAT_TAG, []string{".inf", ".Inf", ".INF"}},
+		{math.Inf(+1), yaml_FLOAT_TAG, []string{"+.inf", "+.Inf", "+.INF"}},
+		{math.Inf(-1), yaml_FLOAT_TAG, []string{"-.inf", "-.Inf", "-.INF"}},
+		{"<<", yaml_MERGE_TAG, []string{"<<"}},
+	}
+
+	m := resolveMap
+	for _, item := range resolveMapList {
+		for _, s := range item.l {
+			m[s] = resolveMapItem{item.v, item.tag}
+		}
+	}
+}
+
+const longTagPrefix = "tag:yaml.org,2002:"
+
+func shortTag(tag string) string {
+	// TODO This can easily be made faster and produce less garbage.
+	if strings.HasPrefix(tag, longTagPrefix) {
+		return "!!" + tag[len(longTagPrefix):]
+	}
+	return tag
+}
+
+func longTag(tag string) string {
+	if strings.HasPrefix(tag, "!!") {
+		return longTagPrefix + tag[2:]
+	}
+	return tag
+}
+
+func resolvableTag(tag string) bool {
+	switch tag {
+	case "", yaml_STR_TAG, yaml_BOOL_TAG, yaml_INT_TAG, yaml_FLOAT_TAG, yaml_NULL_TAG:
+		return true
+	}
+	return false
+}
+
+var yamlStyleFloat = regexp.MustCompile(`^[-+]?[0-9]*\.?[0-9]+([eE][-+][0-9]+)?$`)
+
+func resolve(tag string, in string) (rtag string, out interface{}) {
+	if !resolvableTag(tag) {
+		return tag, in
+	}
+
+	defer func() {
+		switch tag {
+		case "", rtag, yaml_STR_TAG, yaml_BINARY_TAG:
+			return
+		}
+		failf("cannot decode %s `%s` as a %s", shortTag(rtag), in, shortTag(tag))
+	}()
+
+	// Any data is accepted as a !!str or !!binary.
+	// Otherwise, the prefix is enough of a hint about what it might be.
+	hint := byte('N')
+	if in != "" {
+		hint = resolveTable[in[0]]
+	}
+	if hint != 0 && tag != yaml_STR_TAG && tag != yaml_BINARY_TAG {
+		// Handle things we can lookup in a map.
+		if item, ok := resolveMap[in]; ok {
+			return item.tag, item.value
+		}
+
+		// Base 60 floats are a bad idea, were dropped in YAML 1.2, and
+		// are purposefully unsupported here. They're still quoted on
+		// the way out for compatibility with other parser, though.
+
+		switch hint {
+		case 'M':
+			// We've already checked the map above.
+
+		case '.':
+			// Not in the map, so maybe a normal float.
+			floatv, err := strconv.ParseFloat(in, 64)
+			if err == nil {
+				return yaml_FLOAT_TAG, floatv
+			}
+
+		case 'D', 'S':
+			// Int, float, or timestamp.
+			plain := strings.Replace(in, "_", "", -1)
+			intv, err := strconv.ParseInt(plain, 0, 64)
+			if err == nil {
+				if intv == int64(int(intv)) {
+					return yaml_INT_TAG, int(intv)
+				} else {
+					return yaml_INT_TAG, intv
+				}
+			}
+			uintv, err := strconv.ParseUint(plain, 0, 64)
+			if err == nil {
+				return yaml_INT_TAG, uintv
+			}
+			if yamlStyleFloat.MatchString(plain) {
+				floatv, err := strconv.ParseFloat(plain, 64)
+				if err == nil {
+					return yaml_FLOAT_TAG, floatv
+				}
+			}
+			if strings.HasPrefix(plain, "0b") {
+				intv, err := strconv.ParseInt(plain[2:], 2, 64)
+				if err == nil {
+					if intv == int64(int(intv)) {
+						return yaml_INT_TAG, int(intv)
+					} else {
+						return yaml_INT_TAG, intv
+					}
+				}
+				uintv, err := strconv.ParseUint(plain[2:], 2, 64)
+				if err == nil {
+					return yaml_INT_TAG, uintv
+				}
+			} else if strings.HasPrefix(plain, "-0b") {
+				intv, err := strconv.ParseInt(plain[3:], 2, 64)
+				if err == nil {
+					if intv == int64(int(intv)) {
+						return yaml_INT_TAG, -int(intv)
+					} else {
+						return yaml_INT_TAG, -intv
+					}
+				}
+			}
+			// XXX Handle timestamps here.
+
+		default:
+			panic("resolveTable item not yet handled: " + string(rune(hint)) + " (with " + in + ")")
+		}
+	}
+	if tag == yaml_BINARY_TAG {
+		return yaml_BINARY_TAG, in
+	}
+	if utf8.ValidString(in) {
+		return yaml_STR_TAG, in
+	}
+	return yaml_BINARY_TAG, encodeBase64(in)
+}
+
+// encodeBase64 encodes s as base64 that is broken up into multiple lines
+// as appropriate for the resulting length.
+func encodeBase64(s string) string {
+	const lineLen = 70
+	encLen := base64.StdEncoding.EncodedLen(len(s))
+	lines := encLen/lineLen + 1
+	buf := make([]byte, encLen*2+lines)
+	in := buf[0:encLen]
+	out := buf[encLen:]
+	base64.StdEncoding.Encode(in, []byte(s))
+	k := 0
+	for i := 0; i < len(in); i += lineLen {
+		j := i + lineLen
+		if j > len(in) {
+			j = len(in)
+		}
+		k += copy(out[k:], in[i:j])
+		if lines > 1 {
+			out[k] = '\n'
+			k++
+		}
+	}
+	return string(out[:k])
+}

vendor/github.com/go-gitea/yaml/sorter.go

@@ -0,0 +1,104 @@
+package yaml
+
+import (
+	"reflect"
+	"unicode"
+)
+
+type keyList []reflect.Value
+
+func (l keyList) Len() int      { return len(l) }
+func (l keyList) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
+func (l keyList) Less(i, j int) bool {
+	a := l[i]
+	b := l[j]
+	ak := a.Kind()
+	bk := b.Kind()
+	for (ak == reflect.Interface || ak == reflect.Ptr) && !a.IsNil() {
+		a = a.Elem()
+		ak = a.Kind()
+	}
+	for (bk == reflect.Interface || bk == reflect.Ptr) && !b.IsNil() {
+		b = b.Elem()
+		bk = b.Kind()
+	}
+	af, aok := keyFloat(a)
+	bf, bok := keyFloat(b)
+	if aok && bok {
+		if af != bf {
+			return af < bf
+		}
+		if ak != bk {
+			return ak < bk
+		}
+		return numLess(a, b)
+	}
+	if ak != reflect.String || bk != reflect.String {
+		return ak < bk
+	}
+	ar, br := []rune(a.String()), []rune(b.String())
+	for i := 0; i < len(ar) && i < len(br); i++ {
+		if ar[i] == br[i] {
+			continue
+		}
+		al := unicode.IsLetter(ar[i])
+		bl := unicode.IsLetter(br[i])
+		if al && bl {
+			return ar[i] < br[i]
+		}
+		if al || bl {
+			return bl
+		}
+		var ai, bi int
+		var an, bn int64
+		for ai = i; ai < len(ar) && unicode.IsDigit(ar[ai]); ai++ {
+			an = an*10 + int64(ar[ai]-'0')
+		}
+		for bi = i; bi < len(br) && unicode.IsDigit(br[bi]); bi++ {
+			bn = bn*10 + int64(br[bi]-'0')
+		}
+		if an != bn {
+			return an < bn
+		}
+		if ai != bi {
+			return ai < bi
+		}
+		return ar[i] < br[i]
+	}
+	return len(ar) < len(br)
+}
+
+// keyFloat returns a float value for v if it is a number/bool
+// and whether it is a number/bool or not.
+func keyFloat(v reflect.Value) (f float64, ok bool) {
+	switch v.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return float64(v.Int()), true
+	case reflect.Float32, reflect.Float64:
+		return v.Float(), true
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return float64(v.Uint()), true
+	case reflect.Bool:
+		if v.Bool() {
+			return 1, true
+		}
+		return 0, true
+	}
+	return 0, false
+}
+
+// numLess returns whether a < b.
+// a and b must necessarily have the same kind.
+func numLess(a, b reflect.Value) bool {
+	switch a.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return a.Int() < b.Int()
+	case reflect.Float32, reflect.Float64:
+		return a.Float() < b.Float()
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return a.Uint() < b.Uint()
+	case reflect.Bool:
+		return !a.Bool() && b.Bool()
+	}
+	panic("not a number")
+}

vendor/github.com/go-gitea/yaml/writerc.go

@@ -0,0 +1,89 @@
+package yaml
+
+// Set the writer error and return false.
+func yaml_emitter_set_writer_error(emitter *yaml_emitter_t, problem string) bool {
+	emitter.error = yaml_WRITER_ERROR
+	emitter.problem = problem
+	return false
+}
+
+// Flush the output buffer.
+func yaml_emitter_flush(emitter *yaml_emitter_t) bool {
+	if emitter.write_handler == nil {
+		panic("write handler not set")
+	}
+
+	// Check if the buffer is empty.
+	if emitter.buffer_pos == 0 {
+		return true
+	}
+
+	// If the output encoding is UTF-8, we don't need to recode the buffer.
+	if emitter.encoding == yaml_UTF8_ENCODING {
+		if err := emitter.write_handler(emitter, emitter.buffer[:emitter.buffer_pos]); err != nil {
+			return yaml_emitter_set_writer_error(emitter, "write error: "+err.Error())
+		}
+		emitter.buffer_pos = 0
+		return true
+	}
+
+	// Recode the buffer into the raw buffer.
+	var low, high int
+	if emitter.encoding == yaml_UTF16LE_ENCODING {
+		low, high = 0, 1
+	} else {
+		high, low = 1, 0
+	}
+
+	pos := 0
+	for pos < emitter.buffer_pos {
+		// See the "reader.c" code for more details on UTF-8 encoding.  Note
+		// that we assume that the buffer contains a valid UTF-8 sequence.
+
+		// Read the next UTF-8 character.
+		octet := emitter.buffer[pos]
+
+		var w int
+		var value rune
+		switch {
+		case octet&0x80 == 0x00:
+			w, value = 1, rune(octet&0x7F)
+		case octet&0xE0 == 0xC0:
+			w, value = 2, rune(octet&0x1F)
+		case octet&0xF0 == 0xE0:
+			w, value = 3, rune(octet&0x0F)
+		case octet&0xF8 == 0xF0:
+			w, value = 4, rune(octet&0x07)
+		}
+		for k := 1; k < w; k++ {
+			octet = emitter.buffer[pos+k]
+			value = (value << 6) + (rune(octet) & 0x3F)
+		}
+		pos += w
+
+		// Write the character.
+		if value < 0x10000 {
+			var b [2]byte
+			b[high] = byte(value >> 8)
+			b[low] = byte(value & 0xFF)
+			emitter.raw_buffer = append(emitter.raw_buffer, b[0], b[1])
+		} else {
+			// Write the character using a surrogate pair (check "reader.c").
+			var b [4]byte
+			value -= 0x10000
+			b[high] = byte(0xD8 + (value >> 18))
+			b[low] = byte((value >> 10) & 0xFF)
+			b[high+2] = byte(0xDC + ((value >> 8) & 0xFF))
+			b[low+2] = byte(value & 0xFF)
+			emitter.raw_buffer = append(emitter.raw_buffer, b[0], b[1], b[2], b[3])
+		}
+	}
+
+	// Write the raw buffer.
+	if err := emitter.write_handler(emitter, emitter.raw_buffer); err != nil {
+		return yaml_emitter_set_writer_error(emitter, "write error: "+err.Error())
+	}
+	emitter.buffer_pos = 0
+	emitter.raw_buffer = emitter.raw_buffer[:0]
+	return true
+}

vendor/github.com/go-gitea/yaml/yaml.go

@@ -0,0 +1,357 @@
+// Package yaml implements YAML support for the Go language.
+//
+// Source code and other details for the project are available at GitHub:
+//
+//   https://github.com/go-yaml/yaml
+//
+package yaml
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"strings"
+	"sync"
+)
+
+// MapSlice encodes and decodes as a YAML map.
+// The order of keys is preserved when encoding and decoding.
+type MapSlice []MapItem
+
+// MapItem is an item in a MapSlice.
+type MapItem struct {
+	Key, Value interface{}
+}
+
+// The Unmarshaler interface may be implemented by types to customize their
+// behavior when being unmarshaled from a YAML document. The UnmarshalYAML
+// method receives a function that may be called to unmarshal the original
+// YAML value into a field or variable. It is safe to call the unmarshal
+// function parameter more than once if necessary.
+type Unmarshaler interface {
+	UnmarshalYAML(unmarshal func(interface{}) error) error
+}
+
+// The Marshaler interface may be implemented by types to customize their
+// behavior when being marshaled into a YAML document. The returned value
+// is marshaled in place of the original value implementing Marshaler.
+//
+// If an error is returned by MarshalYAML, the marshaling procedure stops
+// and returns with the provided error.
+type Marshaler interface {
+	MarshalYAML() (interface{}, error)
+}
+
+// Unmarshal decodes the first document found within the in byte slice
+// and assigns decoded values into the out value.
+//
+// Maps and pointers (to a struct, string, int, etc) are accepted as out
+// values. If an internal pointer within a struct is not initialized,
+// the yaml package will initialize it if necessary for unmarshalling
+// the provided data. The out parameter must not be nil.
+//
+// The type of the decoded values should be compatible with the respective
+// values in out. If one or more values cannot be decoded due to a type
+// mismatches, decoding continues partially until the end of the YAML
+// content, and a *yaml.TypeError is returned with details for all
+// missed values.
+//
+// Struct fields are only unmarshalled if they are exported (have an
+// upper case first letter), and are unmarshalled using the field name
+// lowercased as the default key. Custom keys may be defined via the
+// "yaml" name in the field tag: the content preceding the first comma
+// is used as the key, and the following comma-separated options are
+// used to tweak the marshalling process (see Marshal).
+// Conflicting names result in a runtime error.
+//
+// For example:
+//
+//     type T struct {
+//         F int `yaml:"a,omitempty"`
+//         B int
+//     }
+//     var t T
+//     yaml.Unmarshal([]byte("a: 1\nb: 2"), &t)
+//
+// See the documentation of Marshal for the format of tags and a list of
+// supported tag options.
+//
+func Unmarshal(in []byte, out interface{}) (err error) {
+	return unmarshal(in, out, false)
+}
+
+// UnmarshalStrict is like Unmarshal except that any fields that are found
+// in the data that do not have corresponding struct members will result in
+// an error.
+func UnmarshalStrict(in []byte, out interface{}) (err error) {
+	return unmarshal(in, out, true)
+}
+
+func unmarshal(in []byte, out interface{}, strict bool) (err error) {
+	defer handleErr(&err)
+	d := newDecoder(strict)
+	p := newParser(in)
+	defer p.destroy()
+	node := p.parse()
+	if node != nil {
+		v := reflect.ValueOf(out)
+		if v.Kind() == reflect.Ptr && !v.IsNil() {
+			v = v.Elem()
+		}
+		d.unmarshal(node, v)
+	}
+	if len(d.terrors) > 0 {
+		return &TypeError{d.terrors}
+	}
+	return nil
+}
+
+// Marshal serializes the value provided into a YAML document. The structure
+// of the generated document will reflect the structure of the value itself.
+// Maps and pointers (to struct, string, int, etc) are accepted as the in value.
+//
+// Struct fields are only unmarshalled if they are exported (have an upper case
+// first letter), and are unmarshalled using the field name lowercased as the
+// default key. Custom keys may be defined via the "yaml" name in the field
+// tag: the content preceding the first comma is used as the key, and the
+// following comma-separated options are used to tweak the marshalling process.
+// Conflicting names result in a runtime error.
+//
+// The field tag format accepted is:
+//
+//     `(...) yaml:"[<key>][,<flag1>[,<flag2>]]" (...)`
+//
+// The following flags are currently supported:
+//
+//     omitempty    Only include the field if it's not set to the zero
+//                  value for the type or to empty slices or maps.
+//                  Does not apply to zero valued structs.
+//
+//     flow         Marshal using a flow style (useful for structs,
+//                  sequences and maps).
+//
+//     inline       Inline the field, which must be a struct or a map,
+//                  causing all of its fields or keys to be processed as if
+//                  they were part of the outer struct. For maps, keys must
+//                  not conflict with the yaml keys of other struct fields.
+//
+// In addition, if the key is "-", the field is ignored.
+//
+// For example:
+//
+//     type T struct {
+//         F int "a,omitempty"
+//         B int
+//     }
+//     yaml.Marshal(&T{B: 2}) // Returns "b: 2\n"
+//     yaml.Marshal(&T{F: 1}} // Returns "a: 1\nb: 0\n"
+//
+func Marshal(in interface{}) (out []byte, err error) {
+	defer handleErr(&err)
+	e := newEncoder()
+	defer e.destroy()
+	e.marshal("", reflect.ValueOf(in))
+	e.finish()
+	out = e.out
+	return
+}
+
+func handleErr(err *error) {
+	if v := recover(); v != nil {
+		if e, ok := v.(yamlError); ok {
+			*err = e.err
+		} else {
+			panic(v)
+		}
+	}
+}
+
+type yamlError struct {
+	err error
+}
+
+func fail(err error) {
+	panic(yamlError{err})
+}
+
+func failf(format string, args ...interface{}) {
+	panic(yamlError{fmt.Errorf("yaml: "+format, args...)})
+}
+
+// A TypeError is returned by Unmarshal when one or more fields in
+// the YAML document cannot be properly decoded into the requested
+// types. When this error is returned, the value is still
+// unmarshaled partially.
+type TypeError struct {
+	Errors []string
+}
+
+func (e *TypeError) Error() string {
+	return fmt.Sprintf("yaml: unmarshal errors:\n  %s", strings.Join(e.Errors, "\n  "))
+}
+
+// --------------------------------------------------------------------------
+// Maintain a mapping of keys to structure field indexes
+
+// The code in this section was copied from mgo/bson.
+
+// structInfo holds details for the serialization of fields of
+// a given struct.
+type structInfo struct {
+	FieldsMap  map[string]fieldInfo
+	FieldsList []fieldInfo
+
+	// InlineMap is the number of the field in the struct that
+	// contains an ,inline map, or -1 if there's none.
+	InlineMap int
+}
+
+type fieldInfo struct {
+	Key       string
+	Num       int
+	OmitEmpty bool
+	Flow      bool
+
+	// Inline holds the field index if the field is part of an inlined struct.
+	Inline []int
+}
+
+var structMap = make(map[reflect.Type]*structInfo)
+var fieldMapMutex sync.RWMutex
+
+func getStructInfo(st reflect.Type) (*structInfo, error) {
+	fieldMapMutex.RLock()
+	sinfo, found := structMap[st]
+	fieldMapMutex.RUnlock()
+	if found {
+		return sinfo, nil
+	}
+
+	n := st.NumField()
+	fieldsMap := make(map[string]fieldInfo)
+	fieldsList := make([]fieldInfo, 0, n)
+	inlineMap := -1
+	for i := 0; i != n; i++ {
+		field := st.Field(i)
+		if field.PkgPath != "" && !field.Anonymous {
+			continue // Private field
+		}
+
+		info := fieldInfo{Num: i}
+
+		tag := field.Tag.Get("yaml")
+		if tag == "" && strings.Index(string(field.Tag), ":") < 0 {
+			tag = string(field.Tag)
+		}
+		if tag == "-" {
+			continue
+		}
+
+		inline := false
+		fields := strings.Split(tag, ",")
+		if len(fields) > 1 {
+			for _, flag := range fields[1:] {
+				switch flag {
+				case "omitempty":
+					info.OmitEmpty = true
+				case "flow":
+					info.Flow = true
+				case "inline":
+					inline = true
+				default:
+					return nil, errors.New(fmt.Sprintf("Unsupported flag %q in tag %q of type %s", flag, tag, st))
+				}
+			}
+			tag = fields[0]
+		}
+
+		if inline {
+			switch field.Type.Kind() {
+			case reflect.Map:
+				if inlineMap >= 0 {
+					return nil, errors.New("Multiple ,inline maps in struct " + st.String())
+				}
+				if field.Type.Key() != reflect.TypeOf("") {
+					return nil, errors.New("Option ,inline needs a map with string keys in struct " + st.String())
+				}
+				inlineMap = info.Num
+			case reflect.Struct:
+				sinfo, err := getStructInfo(field.Type)
+				if err != nil {
+					return nil, err
+				}
+				for _, finfo := range sinfo.FieldsList {
+					if _, found := fieldsMap[finfo.Key]; found {
+						msg := "Duplicated key '" + finfo.Key + "' in struct " + st.String()
+						return nil, errors.New(msg)
+					}
+					if finfo.Inline == nil {
+						finfo.Inline = []int{i, finfo.Num}
+					} else {
+						finfo.Inline = append([]int{i}, finfo.Inline...)
+					}
+					fieldsMap[finfo.Key] = finfo
+					fieldsList = append(fieldsList, finfo)
+				}
+			default:
+				//return nil, errors.New("Option ,inline needs a struct value or map field")
+				return nil, errors.New("Option ,inline needs a struct value field")
+			}
+			continue
+		}
+
+		if tag != "" {
+			info.Key = tag
+		} else {
+			info.Key = strings.ToLower(field.Name)
+		}
+
+		if _, found = fieldsMap[info.Key]; found {
+			msg := "Duplicated key '" + info.Key + "' in struct " + st.String()
+			return nil, errors.New(msg)
+		}
+
+		fieldsList = append(fieldsList, info)
+		fieldsMap[info.Key] = info
+	}
+
+	sinfo = &structInfo{fieldsMap, fieldsList, inlineMap}
+
+	fieldMapMutex.Lock()
+	structMap[st] = sinfo
+	fieldMapMutex.Unlock()
+	return sinfo, nil
+}
+
+func isZero(v reflect.Value) bool {
+	switch v.Kind() {
+	case reflect.String:
+		return len(v.String()) == 0
+	case reflect.Interface, reflect.Ptr:
+		return v.IsNil()
+	case reflect.Slice:
+		return v.Len() == 0
+	case reflect.Map:
+		return v.Len() == 0
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return v.Int() == 0
+	case reflect.Float32, reflect.Float64:
+		return v.Float() == 0
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return v.Uint() == 0
+	case reflect.Bool:
+		return !v.Bool()
+	case reflect.Struct:
+		vt := v.Type()
+		for i := v.NumField() - 1; i >= 0; i-- {
+			if vt.Field(i).PkgPath != "" {
+				continue // Private field
+			}
+			if !isZero(v.Field(i)) {
+				return false
+			}
+		}
+		return true
+	}
+	return false
+}

vendor/github.com/go-gitea/yaml/yamlh.go

@@ -0,0 +1,716 @@
+package yaml
+
+import (
+	"io"
+)
+
+// The version directive data.
+type yaml_version_directive_t struct {
+	major int8 // The major version number.
+	minor int8 // The minor version number.
+}
+
+// The tag directive data.
+type yaml_tag_directive_t struct {
+	handle []byte // The tag handle.
+	prefix []byte // The tag prefix.
+}
+
+type yaml_encoding_t int
+
+// The stream encoding.
+const (
+	// Let the parser choose the encoding.
+	yaml_ANY_ENCODING yaml_encoding_t = iota
+
+	yaml_UTF8_ENCODING    // The default UTF-8 encoding.
+	yaml_UTF16LE_ENCODING // The UTF-16-LE encoding with BOM.
+	yaml_UTF16BE_ENCODING // The UTF-16-BE encoding with BOM.
+)
+
+type yaml_break_t int
+
+// Line break types.
+const (
+	// Let the parser choose the break type.
+	yaml_ANY_BREAK yaml_break_t = iota
+
+	yaml_CR_BREAK   // Use CR for line breaks (Mac style).
+	yaml_LN_BREAK   // Use LN for line breaks (Unix style).
+	yaml_CRLN_BREAK // Use CR LN for line breaks (DOS style).
+)
+
+type yaml_error_type_t int
+
+// Many bad things could happen with the parser and emitter.
+const (
+	// No error is produced.
+	yaml_NO_ERROR yaml_error_type_t = iota
+
+	yaml_MEMORY_ERROR   // Cannot allocate or reallocate a block of memory.
+	yaml_READER_ERROR   // Cannot read or decode the input stream.
+	yaml_SCANNER_ERROR  // Cannot scan the input stream.
+	yaml_PARSER_ERROR   // Cannot parse the input stream.
+	yaml_COMPOSER_ERROR // Cannot compose a YAML document.
+	yaml_WRITER_ERROR   // Cannot write to the output stream.
+	yaml_EMITTER_ERROR  // Cannot emit a YAML stream.
+)
+
+// The pointer position.
+type yaml_mark_t struct {
+	index  int // The position index.
+	line   int // The position line.
+	column int // The position column.
+}
+
+// Node Styles
+
+type yaml_style_t int8
+
+type yaml_scalar_style_t yaml_style_t
+
+// Scalar styles.
+const (
+	// Let the emitter choose the style.
+	yaml_ANY_SCALAR_STYLE yaml_scalar_style_t = iota
+
+	yaml_PLAIN_SCALAR_STYLE         // The plain scalar style.
+	yaml_SINGLE_QUOTED_SCALAR_STYLE // The single-quoted scalar style.
+	yaml_DOUBLE_QUOTED_SCALAR_STYLE // The double-quoted scalar style.
+	yaml_LITERAL_SCALAR_STYLE       // The literal scalar style.
+	yaml_FOLDED_SCALAR_STYLE        // The folded scalar style.
+)
+
+type yaml_sequence_style_t yaml_style_t
+
+// Sequence styles.
+const (
+	// Let the emitter choose the style.
+	yaml_ANY_SEQUENCE_STYLE yaml_sequence_style_t = iota
+
+	yaml_BLOCK_SEQUENCE_STYLE // The block sequence style.
+	yaml_FLOW_SEQUENCE_STYLE  // The flow sequence style.
+)
+
+type yaml_mapping_style_t yaml_style_t
+
+// Mapping styles.
+const (
+	// Let the emitter choose the style.
+	yaml_ANY_MAPPING_STYLE yaml_mapping_style_t = iota
+
+	yaml_BLOCK_MAPPING_STYLE // The block mapping style.
+	yaml_FLOW_MAPPING_STYLE  // The flow mapping style.
+)
+
+// Tokens
+
+type yaml_token_type_t int
+
+// Token types.
+const (
+	// An empty token.
+	yaml_NO_TOKEN yaml_token_type_t = iota
+
+	yaml_STREAM_START_TOKEN // A STREAM-START token.
+	yaml_STREAM_END_TOKEN   // A STREAM-END token.
+
+	yaml_VERSION_DIRECTIVE_TOKEN // A VERSION-DIRECTIVE token.
+	yaml_TAG_DIRECTIVE_TOKEN     // A TAG-DIRECTIVE token.
+	yaml_DOCUMENT_START_TOKEN    // A DOCUMENT-START token.
+	yaml_DOCUMENT_END_TOKEN      // A DOCUMENT-END token.
+
+	yaml_BLOCK_SEQUENCE_START_TOKEN // A BLOCK-SEQUENCE-START token.
+	yaml_BLOCK_MAPPING_START_TOKEN  // A BLOCK-SEQUENCE-END token.
+	yaml_BLOCK_END_TOKEN            // A BLOCK-END token.
+
+	yaml_FLOW_SEQUENCE_START_TOKEN // A FLOW-SEQUENCE-START token.
+	yaml_FLOW_SEQUENCE_END_TOKEN   // A FLOW-SEQUENCE-END token.
+	yaml_FLOW_MAPPING_START_TOKEN  // A FLOW-MAPPING-START token.
+	yaml_FLOW_MAPPING_END_TOKEN    // A FLOW-MAPPING-END token.
+
+	yaml_BLOCK_ENTRY_TOKEN // A BLOCK-ENTRY token.
+	yaml_FLOW_ENTRY_TOKEN  // A FLOW-ENTRY token.
+	yaml_KEY_TOKEN         // A KEY token.
+	yaml_VALUE_TOKEN       // A VALUE token.
+
+	yaml_ALIAS_TOKEN  // An ALIAS token.
+	yaml_ANCHOR_TOKEN // An ANCHOR token.
+	yaml_TAG_TOKEN    // A TAG token.
+	yaml_SCALAR_TOKEN // A SCALAR token.
+)
+
+func (tt yaml_token_type_t) String() string {
+	switch tt {
+	case yaml_NO_TOKEN:
+		return "yaml_NO_TOKEN"
+	case yaml_STREAM_START_TOKEN:
+		return "yaml_STREAM_START_TOKEN"
+	case yaml_STREAM_END_TOKEN:
+		return "yaml_STREAM_END_TOKEN"
+	case yaml_VERSION_DIRECTIVE_TOKEN:
+		return "yaml_VERSION_DIRECTIVE_TOKEN"
+	case yaml_TAG_DIRECTIVE_TOKEN:
+		return "yaml_TAG_DIRECTIVE_TOKEN"
+	case yaml_DOCUMENT_START_TOKEN:
+		return "yaml_DOCUMENT_START_TOKEN"
+	case yaml_DOCUMENT_END_TOKEN:
+		return "yaml_DOCUMENT_END_TOKEN"
+	case yaml_BLOCK_SEQUENCE_START_TOKEN:
+		return "yaml_BLOCK_SEQUENCE_START_TOKEN"
+	case yaml_BLOCK_MAPPING_START_TOKEN:
+		return "yaml_BLOCK_MAPPING_START_TOKEN"
+	case yaml_BLOCK_END_TOKEN:
+		return "yaml_BLOCK_END_TOKEN"
+	case yaml_FLOW_SEQUENCE_START_TOKEN:
+		return "yaml_FLOW_SEQUENCE_START_TOKEN"
+	case yaml_FLOW_SEQUENCE_END_TOKEN:
+		return "yaml_FLOW_SEQUENCE_END_TOKEN"
+	case yaml_FLOW_MAPPING_START_TOKEN:
+		return "yaml_FLOW_MAPPING_START_TOKEN"
+	case yaml_FLOW_MAPPING_END_TOKEN:
+		return "yaml_FLOW_MAPPING_END_TOKEN"
+	case yaml_BLOCK_ENTRY_TOKEN:
+		return "yaml_BLOCK_ENTRY_TOKEN"
+	case yaml_FLOW_ENTRY_TOKEN:
+		return "yaml_FLOW_ENTRY_TOKEN"
+	case yaml_KEY_TOKEN:
+		return "yaml_KEY_TOKEN"
+	case yaml_VALUE_TOKEN:
+		return "yaml_VALUE_TOKEN"
+	case yaml_ALIAS_TOKEN:
+		return "yaml_ALIAS_TOKEN"
+	case yaml_ANCHOR_TOKEN:
+		return "yaml_ANCHOR_TOKEN"
+	case yaml_TAG_TOKEN:
+		return "yaml_TAG_TOKEN"
+	case yaml_SCALAR_TOKEN:
+		return "yaml_SCALAR_TOKEN"
+	}
+	return "<unknown token>"
+}
+
+// The token structure.
+type yaml_token_t struct {
+	// The token type.
+	typ yaml_token_type_t
+
+	// The start/end of the token.
+	start_mark, end_mark yaml_mark_t
+
+	// The stream encoding (for yaml_STREAM_START_TOKEN).
+	encoding yaml_encoding_t
+
+	// The alias/anchor/scalar value or tag/tag directive handle
+	// (for yaml_ALIAS_TOKEN, yaml_ANCHOR_TOKEN, yaml_SCALAR_TOKEN, yaml_TAG_TOKEN, yaml_TAG_DIRECTIVE_TOKEN).
+	value []byte
+
+	// The tag suffix (for yaml_TAG_TOKEN).
+	suffix []byte
+
+	// The tag directive prefix (for yaml_TAG_DIRECTIVE_TOKEN).
+	prefix []byte
+
+	// The scalar style (for yaml_SCALAR_TOKEN).
+	style yaml_scalar_style_t
+
+	// The version directive major/minor (for yaml_VERSION_DIRECTIVE_TOKEN).
+	major, minor int8
+}
+
+// Events
+
+type yaml_event_type_t int8
+
+// Event types.
+const (
+	// An empty event.
+	yaml_NO_EVENT yaml_event_type_t = iota
+
+	yaml_STREAM_START_EVENT   // A STREAM-START event.
+	yaml_STREAM_END_EVENT     // A STREAM-END event.
+	yaml_DOCUMENT_START_EVENT // A DOCUMENT-START event.
+	yaml_DOCUMENT_END_EVENT   // A DOCUMENT-END event.
+	yaml_ALIAS_EVENT          // An ALIAS event.
+	yaml_SCALAR_EVENT         // A SCALAR event.
+	yaml_SEQUENCE_START_EVENT // A SEQUENCE-START event.
+	yaml_SEQUENCE_END_EVENT   // A SEQUENCE-END event.
+	yaml_MAPPING_START_EVENT  // A MAPPING-START event.
+	yaml_MAPPING_END_EVENT    // A MAPPING-END event.
+)
+
+// The event structure.
+type yaml_event_t struct {
+
+	// The event type.
+	typ yaml_event_type_t
+
+	// The start and end of the event.
+	start_mark, end_mark yaml_mark_t
+
+	// The document encoding (for yaml_STREAM_START_EVENT).
+	encoding yaml_encoding_t
+
+	// The version directive (for yaml_DOCUMENT_START_EVENT).
+	version_directive *yaml_version_directive_t
+
+	// The list of tag directives (for yaml_DOCUMENT_START_EVENT).
+	tag_directives []yaml_tag_directive_t
+
+	// The anchor (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT, yaml_ALIAS_EVENT).
+	anchor []byte
+
+	// The tag (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT).
+	tag []byte
+
+	// The scalar value (for yaml_SCALAR_EVENT).
+	value []byte
+
+	// Is the document start/end indicator implicit, or the tag optional?
+	// (for yaml_DOCUMENT_START_EVENT, yaml_DOCUMENT_END_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT, yaml_SCALAR_EVENT).
+	implicit bool
+
+	// Is the tag optional for any non-plain style? (for yaml_SCALAR_EVENT).
+	quoted_implicit bool
+
+	// The style (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT).
+	style yaml_style_t
+}
+
+func (e *yaml_event_t) scalar_style() yaml_scalar_style_t     { return yaml_scalar_style_t(e.style) }
+func (e *yaml_event_t) sequence_style() yaml_sequence_style_t { return yaml_sequence_style_t(e.style) }
+func (e *yaml_event_t) mapping_style() yaml_mapping_style_t   { return yaml_mapping_style_t(e.style) }
+
+// Nodes
+
+const (
+	yaml_NULL_TAG      = "tag:yaml.org,2002:null"      // The tag !!null with the only possible value: null.
+	yaml_BOOL_TAG      = "tag:yaml.org,2002:bool"      // The tag !!bool with the values: true and false.
+	yaml_STR_TAG       = "tag:yaml.org,2002:str"       // The tag !!str for string values.
+	yaml_INT_TAG       = "tag:yaml.org,2002:int"       // The tag !!int for integer values.
+	yaml_FLOAT_TAG     = "tag:yaml.org,2002:float"     // The tag !!float for float values.
+	yaml_TIMESTAMP_TAG = "tag:yaml.org,2002:timestamp" // The tag !!timestamp for date and time values.
+
+	yaml_SEQ_TAG = "tag:yaml.org,2002:seq" // The tag !!seq is used to denote sequences.
+	yaml_MAP_TAG = "tag:yaml.org,2002:map" // The tag !!map is used to denote mapping.
+
+	// Not in original libyaml.
+	yaml_BINARY_TAG = "tag:yaml.org,2002:binary"
+	yaml_MERGE_TAG  = "tag:yaml.org,2002:merge"
+
+	yaml_DEFAULT_SCALAR_TAG   = yaml_STR_TAG // The default scalar tag is !!str.
+	yaml_DEFAULT_SEQUENCE_TAG = yaml_SEQ_TAG // The default sequence tag is !!seq.
+	yaml_DEFAULT_MAPPING_TAG  = yaml_MAP_TAG // The default mapping tag is !!map.
+)
+
+type yaml_node_type_t int
+
+// Node types.
+const (
+	// An empty node.
+	yaml_NO_NODE yaml_node_type_t = iota
+
+	yaml_SCALAR_NODE   // A scalar node.
+	yaml_SEQUENCE_NODE // A sequence node.
+	yaml_MAPPING_NODE  // A mapping node.
+)
+
+// An element of a sequence node.
+type yaml_node_item_t int
+
+// An element of a mapping node.
+type yaml_node_pair_t struct {
+	key   int // The key of the element.
+	value int // The value of the element.
+}
+
+// The node structure.
+type yaml_node_t struct {
+	typ yaml_node_type_t // The node type.
+	tag []byte           // The node tag.
+
+	// The node data.
+
+	// The scalar parameters (for yaml_SCALAR_NODE).
+	scalar struct {
+		value  []byte              // The scalar value.
+		length int                 // The length of the scalar value.
+		style  yaml_scalar_style_t // The scalar style.
+	}
+
+	// The sequence parameters (for YAML_SEQUENCE_NODE).
+	sequence struct {
+		items_data []yaml_node_item_t    // The stack of sequence items.
+		style      yaml_sequence_style_t // The sequence style.
+	}
+
+	// The mapping parameters (for yaml_MAPPING_NODE).
+	mapping struct {
+		pairs_data  []yaml_node_pair_t   // The stack of mapping pairs (key, value).
+		pairs_start *yaml_node_pair_t    // The beginning of the stack.
+		pairs_end   *yaml_node_pair_t    // The end of the stack.
+		pairs_top   *yaml_node_pair_t    // The top of the stack.
+		style       yaml_mapping_style_t // The mapping style.
+	}
+
+	start_mark yaml_mark_t // The beginning of the node.
+	end_mark   yaml_mark_t // The end of the node.
+
+}
+
+// The document structure.
+type yaml_document_t struct {
+
+	// The document nodes.
+	nodes []yaml_node_t
+
+	// The version directive.
+	version_directive *yaml_version_directive_t
+
+	// The list of tag directives.
+	tag_directives_data  []yaml_tag_directive_t
+	tag_directives_start int // The beginning of the tag directives list.
+	tag_directives_end   int // The end of the tag directives list.
+
+	start_implicit int // Is the document start indicator implicit?
+	end_implicit   int // Is the document end indicator implicit?
+
+	// The start/end of the document.
+	start_mark, end_mark yaml_mark_t
+}
+
+// The prototype of a read handler.
+//
+// The read handler is called when the parser needs to read more bytes from the
+// source. The handler should write not more than size bytes to the buffer.
+// The number of written bytes should be set to the size_read variable.
+//
+// [in,out]   data        A pointer to an application data specified by
+//                        yaml_parser_set_input().
+// [out]      buffer      The buffer to write the data from the source.
+// [in]       size        The size of the buffer.
+// [out]      size_read   The actual number of bytes read from the source.
+//
+// On success, the handler should return 1.  If the handler failed,
+// the returned value should be 0. On EOF, the handler should set the
+// size_read to 0 and return 1.
+type yaml_read_handler_t func(parser *yaml_parser_t, buffer []byte) (n int, err error)
+
+// This structure holds information about a potential simple key.
+type yaml_simple_key_t struct {
+	possible     bool        // Is a simple key possible?
+	required     bool        // Is a simple key required?
+	token_number int         // The number of the token.
+	mark         yaml_mark_t // The position mark.
+}
+
+// The states of the parser.
+type yaml_parser_state_t int
+
+const (
+	yaml_PARSE_STREAM_START_STATE yaml_parser_state_t = iota
+
+	yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE           // Expect the beginning of an implicit document.
+	yaml_PARSE_DOCUMENT_START_STATE                    // Expect DOCUMENT-START.
+	yaml_PARSE_DOCUMENT_CONTENT_STATE                  // Expect the content of a document.
+	yaml_PARSE_DOCUMENT_END_STATE                      // Expect DOCUMENT-END.
+	yaml_PARSE_BLOCK_NODE_STATE                        // Expect a block node.
+	yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE // Expect a block node or indentless sequence.
+	yaml_PARSE_FLOW_NODE_STATE                         // Expect a flow node.
+	yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE        // Expect the first entry of a block sequence.
+	yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE              // Expect an entry of a block sequence.
+	yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE         // Expect an entry of an indentless sequence.
+	yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE           // Expect the first key of a block mapping.
+	yaml_PARSE_BLOCK_MAPPING_KEY_STATE                 // Expect a block mapping key.
+	yaml_PARSE_BLOCK_MAPPING_VALUE_STATE               // Expect a block mapping value.
+	yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE         // Expect the first entry of a flow sequence.
+	yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE               // Expect an entry of a flow sequence.
+	yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE   // Expect a key of an ordered mapping.
+	yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE // Expect a value of an ordered mapping.
+	yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE   // Expect the and of an ordered mapping entry.
+	yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE            // Expect the first key of a flow mapping.
+	yaml_PARSE_FLOW_MAPPING_KEY_STATE                  // Expect a key of a flow mapping.
+	yaml_PARSE_FLOW_MAPPING_VALUE_STATE                // Expect a value of a flow mapping.
+	yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE          // Expect an empty value of a flow mapping.
+	yaml_PARSE_END_STATE                               // Expect nothing.
+)
+
+func (ps yaml_parser_state_t) String() string {
+	switch ps {
+	case yaml_PARSE_STREAM_START_STATE:
+		return "yaml_PARSE_STREAM_START_STATE"
+	case yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE:
+		return "yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE"
+	case yaml_PARSE_DOCUMENT_START_STATE:
+		return "yaml_PARSE_DOCUMENT_START_STATE"
+	case yaml_PARSE_DOCUMENT_CONTENT_STATE:
+		return "yaml_PARSE_DOCUMENT_CONTENT_STATE"
+	case yaml_PARSE_DOCUMENT_END_STATE:
+		return "yaml_PARSE_DOCUMENT_END_STATE"
+	case yaml_PARSE_BLOCK_NODE_STATE:
+		return "yaml_PARSE_BLOCK_NODE_STATE"
+	case yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE:
+		return "yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE"
+	case yaml_PARSE_FLOW_NODE_STATE:
+		return "yaml_PARSE_FLOW_NODE_STATE"
+	case yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE:
+		return "yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE"
+	case yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE:
+		return "yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE"
+	case yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE:
+		return "yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE"
+	case yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE:
+		return "yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE"
+	case yaml_PARSE_BLOCK_MAPPING_KEY_STATE:
+		return "yaml_PARSE_BLOCK_MAPPING_KEY_STATE"
+	case yaml_PARSE_BLOCK_MAPPING_VALUE_STATE:
+		return "yaml_PARSE_BLOCK_MAPPING_VALUE_STATE"
+	case yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE:
+		return "yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE"
+	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE:
+		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE"
+	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE:
+		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE"
+	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE:
+		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE"
+	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE:
+		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE"
+	case yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE:
+		return "yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE"
+	case yaml_PARSE_FLOW_MAPPING_KEY_STATE:
+		return "yaml_PARSE_FLOW_MAPPING_KEY_STATE"
+	case yaml_PARSE_FLOW_MAPPING_VALUE_STATE:
+		return "yaml_PARSE_FLOW_MAPPING_VALUE_STATE"
+	case yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE:
+		return "yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE"
+	case yaml_PARSE_END_STATE:
+		return "yaml_PARSE_END_STATE"
+	}
+	return "<unknown parser state>"
+}
+
+// This structure holds aliases data.
+type yaml_alias_data_t struct {
+	anchor []byte      // The anchor.
+	index  int         // The node id.
+	mark   yaml_mark_t // The anchor mark.
+}
+
+// The parser structure.
+//
+// All members are internal. Manage the structure using the
+// yaml_parser_ family of functions.
+type yaml_parser_t struct {
+
+	// Error handling
+
+	error yaml_error_type_t // Error type.
+
+	problem string // Error description.
+
+	// The byte about which the problem occurred.
+	problem_offset int
+	problem_value  int
+	problem_mark   yaml_mark_t
+
+	// The error context.
+	context      string
+	context_mark yaml_mark_t
+
+	// Reader stuff
+
+	read_handler yaml_read_handler_t // Read handler.
+
+	input_file io.Reader // File input data.
+	input      []byte    // String input data.
+	input_pos  int
+
+	eof bool // EOF flag
+
+	buffer     []byte // The working buffer.
+	buffer_pos int    // The current position of the buffer.
+
+	unread int // The number of unread characters in the buffer.
+
+	raw_buffer     []byte // The raw buffer.
+	raw_buffer_pos int    // The current position of the buffer.
+
+	encoding yaml_encoding_t // The input encoding.
+
+	offset int         // The offset of the current position (in bytes).
+	mark   yaml_mark_t // The mark of the current position.
+
+	// Scanner stuff
+
+	stream_start_produced bool // Have we started to scan the input stream?
+	stream_end_produced   bool // Have we reached the end of the input stream?
+
+	flow_level int // The number of unclosed '[' and '{' indicators.
+
+	tokens          []yaml_token_t // The tokens queue.
+	tokens_head     int            // The head of the tokens queue.
+	tokens_parsed   int            // The number of tokens fetched from the queue.
+	token_available bool           // Does the tokens queue contain a token ready for dequeueing.
+
+	indent  int   // The current indentation level.
+	indents []int // The indentation levels stack.
+
+	simple_key_allowed bool                // May a simple key occur at the current position?
+	simple_keys        []yaml_simple_key_t // The stack of simple keys.
+
+	// Parser stuff
+
+	state          yaml_parser_state_t    // The current parser state.
+	states         []yaml_parser_state_t  // The parser states stack.
+	marks          []yaml_mark_t          // The stack of marks.
+	tag_directives []yaml_tag_directive_t // The list of TAG directives.
+
+	// Dumper stuff
+
+	aliases []yaml_alias_data_t // The alias data.
+
+	document *yaml_document_t // The currently parsed document.
+}
+
+// Emitter Definitions
+
+// The prototype of a write handler.
+//
+// The write handler is called when the emitter needs to flush the accumulated
+// characters to the output.  The handler should write @a size bytes of the
+// @a buffer to the output.
+//
+// @param[in,out]   data        A pointer to an application data specified by
+//                              yaml_emitter_set_output().
+// @param[in]       buffer      The buffer with bytes to be written.
+// @param[in]       size        The size of the buffer.
+//
+// @returns On success, the handler should return @c 1.  If the handler failed,
+// the returned value should be @c 0.
+//
+type yaml_write_handler_t func(emitter *yaml_emitter_t, buffer []byte) error
+
+type yaml_emitter_state_t int
+
+// The emitter states.
+const (
+	// Expect STREAM-START.
+	yaml_EMIT_STREAM_START_STATE yaml_emitter_state_t = iota
+
+	yaml_EMIT_FIRST_DOCUMENT_START_STATE       // Expect the first DOCUMENT-START or STREAM-END.
+	yaml_EMIT_DOCUMENT_START_STATE             // Expect DOCUMENT-START or STREAM-END.
+	yaml_EMIT_DOCUMENT_CONTENT_STATE           // Expect the content of a document.
+	yaml_EMIT_DOCUMENT_END_STATE               // Expect DOCUMENT-END.
+	yaml_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE   // Expect the first item of a flow sequence.
+	yaml_EMIT_FLOW_SEQUENCE_ITEM_STATE         // Expect an item of a flow sequence.
+	yaml_EMIT_FLOW_MAPPING_FIRST_KEY_STATE     // Expect the first key of a flow mapping.
+	yaml_EMIT_FLOW_MAPPING_KEY_STATE           // Expect a key of a flow mapping.
+	yaml_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE  // Expect a value for a simple key of a flow mapping.
+	yaml_EMIT_FLOW_MAPPING_VALUE_STATE         // Expect a value of a flow mapping.
+	yaml_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE  // Expect the first item of a block sequence.
+	yaml_EMIT_BLOCK_SEQUENCE_ITEM_STATE        // Expect an item of a block sequence.
+	yaml_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE    // Expect the first key of a block mapping.
+	yaml_EMIT_BLOCK_MAPPING_KEY_STATE          // Expect the key of a block mapping.
+	yaml_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE // Expect a value for a simple key of a block mapping.
+	yaml_EMIT_BLOCK_MAPPING_VALUE_STATE        // Expect a value of a block mapping.
+	yaml_EMIT_END_STATE                        // Expect nothing.
+)
+
+// The emitter structure.
+//
+// All members are internal.  Manage the structure using the @c yaml_emitter_
+// family of functions.
+type yaml_emitter_t struct {
+
+	// Error handling
+
+	error   yaml_error_type_t // Error type.
+	problem string            // Error description.
+
+	// Writer stuff
+
+	write_handler yaml_write_handler_t // Write handler.
+
+	output_buffer *[]byte   // String output data.
+	output_file   io.Writer // File output data.
+
+	buffer     []byte // The working buffer.
+	buffer_pos int    // The current position of the buffer.
+
+	raw_buffer     []byte // The raw buffer.
+	raw_buffer_pos int    // The current position of the buffer.
+
+	encoding yaml_encoding_t // The stream encoding.
+
+	// Emitter stuff
+
+	canonical   bool         // If the output is in the canonical style?
+	best_indent int          // The number of indentation spaces.
+	best_width  int          // The preferred width of the output lines.
+	unicode     bool         // Allow unescaped non-ASCII characters?
+	line_break  yaml_break_t // The preferred line break.
+
+	state  yaml_emitter_state_t   // The current emitter state.
+	states []yaml_emitter_state_t // The stack of states.
+
+	events      []yaml_event_t // The event queue.
+	events_head int            // The head of the event queue.
+
+	indents []int // The stack of indentation levels.
+
+	tag_directives []yaml_tag_directive_t // The list of tag directives.
+
+	indent int // The current indentation level.
+
+	flow_level int // The current flow level.
+
+	root_context       bool // Is it the document root context?
+	sequence_context   bool // Is it a sequence context?
+	mapping_context    bool // Is it a mapping context?
+	simple_key_context bool // Is it a simple mapping key context?
+
+	line       int  // The current line.
+	column     int  // The current column.
+	whitespace bool // If the last character was a whitespace?
+	indention  bool // If the last character was an indentation character (' ', '-', '?', ':')?
+	open_ended bool // If an explicit document end is required?
+
+	// Anchor analysis.
+	anchor_data struct {
+		anchor []byte // The anchor value.
+		alias  bool   // Is it an alias?
+	}
+
+	// Tag analysis.
+	tag_data struct {
+		handle []byte // The tag handle.
+		suffix []byte // The tag suffix.
+	}
+
+	// Scalar analysis.
+	scalar_data struct {
+		value                 []byte              // The scalar value.
+		multiline             bool                // Does the scalar contain line breaks?
+		flow_plain_allowed    bool                // Can the scalar be expessed in the flow plain style?
+		block_plain_allowed   bool                // Can the scalar be expressed in the block plain style?
+		single_quoted_allowed bool                // Can the scalar be expressed in the single quoted style?
+		block_allowed         bool                // Can the scalar be expressed in the literal or folded styles?
+		style                 yaml_scalar_style_t // The output style.
+	}
+
+	// Dumper stuff
+
+	opened bool // If the stream was already opened?
+	closed bool // If the stream was already closed?
+
+	// The information associated with the document nodes.
+	anchors *struct {
+		references int  // The number of references.
+		anchor     int  // The anchor id.
+		serialized bool // If the node has been emitted?
+	}
+
+	last_anchor_id int // The last assigned anchor id.
+
+	document *yaml_document_t // The currently emitted document.
+}

vendor/github.com/go-gitea/yaml/yamlprivateh.go

@@ -0,0 +1,173 @@
+package yaml
+
+const (
+	// The size of the input raw buffer.
+	input_raw_buffer_size = 512
+
+	// The size of the input buffer.
+	// It should be possible to decode the whole raw buffer.
+	input_buffer_size = input_raw_buffer_size * 3
+
+	// The size of the output buffer.
+	output_buffer_size = 128
+
+	// The size of the output raw buffer.
+	// It should be possible to encode the whole output buffer.
+	output_raw_buffer_size = (output_buffer_size*2 + 2)
+
+	// The size of other stacks and queues.
+	initial_stack_size  = 16
+	initial_queue_size  = 16
+	initial_string_size = 16
+)
+
+// Check if the character at the specified position is an alphabetical
+// character, a digit, '_', or '-'.
+func is_alpha(b []byte, i int) bool {
+	return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'Z' || b[i] >= 'a' && b[i] <= 'z' || b[i] == '_' || b[i] == '-'
+}
+
+// Check if the character at the specified position is a digit.
+func is_digit(b []byte, i int) bool {
+	return b[i] >= '0' && b[i] <= '9'
+}
+
+// Get the value of a digit.
+func as_digit(b []byte, i int) int {
+	return int(b[i]) - '0'
+}
+
+// Check if the character at the specified position is a hex-digit.
+func is_hex(b []byte, i int) bool {
+	return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'F' || b[i] >= 'a' && b[i] <= 'f'
+}
+
+// Get the value of a hex-digit.
+func as_hex(b []byte, i int) int {
+	bi := b[i]
+	if bi >= 'A' && bi <= 'F' {
+		return int(bi) - 'A' + 10
+	}
+	if bi >= 'a' && bi <= 'f' {
+		return int(bi) - 'a' + 10
+	}
+	return int(bi) - '0'
+}
+
+// Check if the character is ASCII.
+func is_ascii(b []byte, i int) bool {
+	return b[i] <= 0x7F
+}
+
+// Check if the character at the start of the buffer can be printed unescaped.
+func is_printable(b []byte, i int) bool {
+	return ((b[i] == 0x0A) || // . == #x0A
+		(b[i] >= 0x20 && b[i] <= 0x7E) || // #x20 <= . <= #x7E
+		(b[i] == 0xC2 && b[i+1] >= 0xA0) || // #0xA0 <= . <= #xD7FF
+		(b[i] > 0xC2 && b[i] < 0xED) ||
+		(b[i] == 0xED && b[i+1] < 0xA0) ||
+		(b[i] == 0xEE) ||
+		(b[i] == 0xEF && // #xE000 <= . <= #xFFFD
+			!(b[i+1] == 0xBB && b[i+2] == 0xBF) && // && . != #xFEFF
+			!(b[i+1] == 0xBF && (b[i+2] == 0xBE || b[i+2] == 0xBF))))
+}
+
+// Check if the character at the specified position is NUL.
+func is_z(b []byte, i int) bool {
+	return b[i] == 0x00
+}
+
+// Check if the beginning of the buffer is a BOM.
+func is_bom(b []byte, i int) bool {
+	return b[0] == 0xEF && b[1] == 0xBB && b[2] == 0xBF
+}
+
+// Check if the character at the specified position is space.
+func is_space(b []byte, i int) bool {
+	return b[i] == ' '
+}
+
+// Check if the character at the specified position is tab.
+func is_tab(b []byte, i int) bool {
+	return b[i] == '\t'
+}
+
+// Check if the character at the specified position is blank (space or tab).
+func is_blank(b []byte, i int) bool {
+	//return is_space(b, i) || is_tab(b, i)
+	return b[i] == ' ' || b[i] == '\t'
+}
+
+// Check if the character at the specified position is a line break.
+func is_break(b []byte, i int) bool {
+	return (b[i] == '\r' || // CR (#xD)
+		b[i] == '\n' || // LF (#xA)
+		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
+		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
+		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9) // PS (#x2029)
+}
+
+func is_crlf(b []byte, i int) bool {
+	return b[i] == '\r' && b[i+1] == '\n'
+}
+
+// Check if the character is a line break or NUL.
+func is_breakz(b []byte, i int) bool {
+	//return is_break(b, i) || is_z(b, i)
+	return (        // is_break:
+	b[i] == '\r' || // CR (#xD)
+		b[i] == '\n' || // LF (#xA)
+		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
+		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
+		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
+		// is_z:
+		b[i] == 0)
+}
+
+// Check if the character is a line break, space, or NUL.
+func is_spacez(b []byte, i int) bool {
+	//return is_space(b, i) || is_breakz(b, i)
+	return ( // is_space:
+	b[i] == ' ' ||
+		// is_breakz:
+		b[i] == '\r' || // CR (#xD)
+		b[i] == '\n' || // LF (#xA)
+		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
+		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
+		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
+		b[i] == 0)
+}
+
+// Check if the character is a line break, space, tab, or NUL.
+func is_blankz(b []byte, i int) bool {
+	//return is_blank(b, i) || is_breakz(b, i)
+	return ( // is_blank:
+	b[i] == ' ' || b[i] == '\t' ||
+		// is_breakz:
+		b[i] == '\r' || // CR (#xD)
+		b[i] == '\n' || // LF (#xA)
+		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
+		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
+		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
+		b[i] == 0)
+}
+
+// Determine the width of the character.
+func width(b byte) int {
+	// Don't replace these by a switch without first
+	// confirming that it is being inlined.
+	if b&0x80 == 0x00 {
+		return 1
+	}
+	if b&0xE0 == 0xC0 {
+		return 2
+	}
+	if b&0xF0 == 0xE0 {
+		return 3
+	}
+	if b&0xF8 == 0xF0 {
+		return 4
+	}
+	return 0
+
+}

vendor/github.com/src-d/gcfg/LICENSE

@@ -0,0 +1,28 @@
+Copyright (c) 2012 Péter Surányi. Portions Copyright (c) 2009 The Go
+Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/github.com/src-d/gcfg/README

@@ -0,0 +1,4 @@
+Gcfg reads INI-style configuration files into Go structs;
+supports user-defined types and subsections.
+
+Package docs: https://godoc.org/gopkg.in/gcfg.v1

vendor/github.com/src-d/gcfg/doc.go

@@ -0,0 +1,145 @@
+// Package gcfg reads "INI-style" text-based configuration files with
+// "name=value" pairs grouped into sections (gcfg files).
+//
+// This package is still a work in progress; see the sections below for planned
+// changes.
+//
+// Syntax
+//
+// The syntax is based on that used by git config:
+// http://git-scm.com/docs/git-config#_syntax .
+// There are some (planned) differences compared to the git config format:
+//  - improve data portability:
+//    - must be encoded in UTF-8 (for now) and must not contain the 0 byte
+//    - include and "path" type is not supported
+//      (path type may be implementable as a user-defined type)
+//  - internationalization
+//    - section and variable names can contain unicode letters, unicode digits
+//      (as defined in http://golang.org/ref/spec#Characters ) and hyphens
+//      (U+002D), starting with a unicode letter
+//  - disallow potentially ambiguous or misleading definitions:
+//    - `[sec.sub]` format is not allowed (deprecated in gitconfig)
+//    - `[sec ""]` is not allowed
+//      - use `[sec]` for section name "sec" and empty subsection name
+//    - (planned) within a single file, definitions must be contiguous for each:
+//      - section: '[secA]' -> '[secB]' -> '[secA]' is an error
+//      - subsection: '[sec "A"]' -> '[sec "B"]' -> '[sec "A"]' is an error
+//      - multivalued variable: 'multi=a' -> 'other=x' -> 'multi=b' is an error
+//
+// Data structure
+//
+// The functions in this package read values into a user-defined struct.
+// Each section corresponds to a struct field in the config struct, and each
+// variable in a section corresponds to a data field in the section struct.
+// The mapping of each section or variable name to fields is done either based
+// on the "gcfg" struct tag or by matching the name of the section or variable,
+// ignoring case. In the latter case, hyphens '-' in section and variable names
+// correspond to underscores '_' in field names.
+// Fields must be exported; to use a section or variable name starting with a
+// letter that is neither upper- or lower-case, prefix the field name with 'X'.
+// (See https://code.google.com/p/go/issues/detail?id=5763#c4 .)
+//
+// For sections with subsections, the corresponding field in config must be a
+// map, rather than a struct, with string keys and pointer-to-struct values.
+// Values for subsection variables are stored in the map with the subsection
+// name used as the map key.
+// (Note that unlike section and variable names, subsection names are case
+// sensitive.)
+// When using a map, and there is a section with the same section name but
+// without a subsection name, its values are stored with the empty string used
+// as the key.
+// It is possible to provide default values for subsections in the section
+// "default-<sectionname>" (or by setting values in the corresponding struct
+// field "Default_<sectionname>").
+//
+// The functions in this package panic if config is not a pointer to a struct,
+// or when a field is not of a suitable type (either a struct or a map with
+// string keys and pointer-to-struct values).
+//
+// Parsing of values
+//
+// The section structs in the config struct may contain single-valued or
+// multi-valued variables. Variables of unnamed slice type (that is, a type
+// starting with `[]`) are treated as multi-value; all others (including named
+// slice types) are treated as single-valued variables.
+//
+// Single-valued variables are handled based on the type as follows.
+// Unnamed pointer types (that is, types starting with `*`) are dereferenced,
+// and if necessary, a new instance is allocated.
+//
+// For types implementing the encoding.TextUnmarshaler interface, the
+// UnmarshalText method is used to set the value. Implementing this method is
+// the recommended way for parsing user-defined types.
+//
+// For fields of string kind, the value string is assigned to the field, after
+// unquoting and unescaping as needed.
+// For fields of bool kind, the field is set to true if the value is "true",
+// "yes", "on" or "1", and set to false if the value is "false", "no", "off" or
+// "0", ignoring case. In addition, single-valued bool fields can be specified
+// with a "blank" value (variable name without equals sign and value); in such
+// case the value is set to true.
+//
+// Predefined integer types [u]int(|8|16|32|64) and big.Int are parsed as
+// decimal or hexadecimal (if having '0x' prefix). (This is to prevent
+// unintuitively handling zero-padded numbers as octal.) Other types having
+// [u]int* as the underlying type, such as os.FileMode and uintptr allow
+// decimal, hexadecimal, or octal values.
+// Parsing mode for integer types can be overridden using the struct tag option
+// ",int=mode" where mode is a combination of the 'd', 'h', and 'o' characters
+// (each standing for decimal, hexadecimal, and octal, respectively.)
+//
+// All other types are parsed using fmt.Sscanf with the "%v" verb.
+//
+// For multi-valued variables, each individual value is parsed as above and
+// appended to the slice. If the first value is specified as a "blank" value
+// (variable name without equals sign and value), a new slice is allocated;
+// that is any values previously set in the slice will be ignored.
+//
+// The types subpackage for provides helpers for parsing "enum-like" and integer
+// types.
+//
+// Error handling
+//
+// There are 3 types of errors:
+//
+//  - programmer errors / panics:
+//    - invalid configuration structure
+//  - data errors:
+//    - fatal errors:
+//      - invalid configuration syntax
+//    - warnings:
+//      - data that doesn't belong to any part of the config structure
+//
+// Programmer errors trigger panics. These are should be fixed by the programmer
+// before releasing code that uses gcfg.
+//
+// Data errors cause gcfg to return a non-nil error value. This includes the
+// case when there are extra unknown key-value definitions in the configuration
+// data (extra data).
+// However, in some occasions it is desirable to be able to proceed in
+// situations when the only data error is that of extra data.
+// These errors are handled at a different (warning) priority and can be
+// filtered out programmatically. To ignore extra data warnings, wrap the
+// gcfg.Read*Into invocation into a call to gcfg.FatalOnly.
+//
+// TODO
+//
+// The following is a list of changes under consideration:
+//  - documentation
+//    - self-contained syntax documentation
+//    - more practical examples
+//    - move TODOs to issue tracker (eventually)
+//  - syntax
+//    - reconsider valid escape sequences
+//      (gitconfig doesn't support \r in value, \t in subsection name, etc.)
+//  - reading / parsing gcfg files
+//    - define internal representation structure
+//    - support multiple inputs (readers, strings, files)
+//    - support declaring encoding (?)
+//    - support varying fields sets for subsections (?)
+//  - writing gcfg files
+//  - error handling
+//    - make error context accessible programmatically?
+//    - limit input size?
+//
+package gcfg // import "github.com/src-d/gcfg"

vendor/github.com/src-d/gcfg/errors.go

@@ -0,0 +1,41 @@
+package gcfg
+
+import (
+	"gopkg.in/warnings.v0"
+)
+
+// FatalOnly filters the results of a Read*Into invocation and returns only
+// fatal errors. That is, errors (warnings) indicating data for unknown
+// sections / variables is ignored. Example invocation:
+//
+//  err := gcfg.FatalOnly(gcfg.ReadFileInto(&cfg, configFile))
+//  if err != nil {
+//      ...
+//
+func FatalOnly(err error) error {
+	return warnings.FatalOnly(err)
+}
+
+func isFatal(err error) bool {
+	_, ok := err.(extraData)
+	return !ok
+}
+
+type extraData struct {
+	section    string
+	subsection *string
+	variable   *string
+}
+
+func (e extraData) Error() string {
+	s := "can't store data at section \"" + e.section + "\""
+	if e.subsection != nil {
+		s += ", subsection \"" + *e.subsection + "\""
+	}
+	if e.variable != nil {
+		s += ", variable \"" + *e.variable + "\""
+	}
+	return s
+}
+
+var _ error = extraData{}

vendor/github.com/src-d/gcfg/go1_0.go

@@ -0,0 +1,7 @@
+// +build !go1.2
+
+package gcfg
+
+type textUnmarshaler interface {
+	UnmarshalText(text []byte) error
+}

vendor/github.com/src-d/gcfg/go1_2.go

@@ -0,0 +1,9 @@
+// +build go1.2
+
+package gcfg
+
+import (
+	"encoding"
+)
+
+type textUnmarshaler encoding.TextUnmarshaler

vendor/github.com/src-d/gcfg/read.go

@@ -0,0 +1,273 @@
+package gcfg
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"strings"
+
+	"github.com/src-d/gcfg/scanner"
+	"github.com/src-d/gcfg/token"
+	"gopkg.in/warnings.v0"
+)
+
+var unescape = map[rune]rune{'\\': '\\', '"': '"', 'n': '\n', 't': '\t', 'b': '\b'}
+
+// no error: invalid literals should be caught by scanner
+func unquote(s string) string {
+	u, q, esc := make([]rune, 0, len(s)), false, false
+	for _, c := range s {
+		if esc {
+			uc, ok := unescape[c]
+			switch {
+			case ok:
+				u = append(u, uc)
+				fallthrough
+			case !q && c == '\n':
+				esc = false
+				continue
+			}
+			panic("invalid escape sequence")
+		}
+		switch c {
+		case '"':
+			q = !q
+		case '\\':
+			esc = true
+		default:
+			u = append(u, c)
+		}
+	}
+	if q {
+		panic("missing end quote")
+	}
+	if esc {
+		panic("invalid escape sequence")
+	}
+	return string(u)
+}
+
+func read(c *warnings.Collector, callback func(string, string, string, string, bool) error,
+	fset *token.FileSet, file *token.File, src []byte) error {
+	//
+	var s scanner.Scanner
+	var errs scanner.ErrorList
+	s.Init(file, src, func(p token.Position, m string) { errs.Add(p, m) }, 0)
+	sect, sectsub := "", ""
+	pos, tok, lit := s.Scan()
+	errfn := func(msg string) error {
+		return fmt.Errorf("%s: %s", fset.Position(pos), msg)
+	}
+	for {
+		if errs.Len() > 0 {
+			if err := c.Collect(errs.Err()); err != nil {
+				return err
+			}
+		}
+		switch tok {
+		case token.EOF:
+			return nil
+		case token.EOL, token.COMMENT:
+			pos, tok, lit = s.Scan()
+		case token.LBRACK:
+			pos, tok, lit = s.Scan()
+			if errs.Len() > 0 {
+				if err := c.Collect(errs.Err()); err != nil {
+					return err
+				}
+			}
+			if tok != token.IDENT {
+				if err := c.Collect(errfn("expected section name")); err != nil {
+					return err
+				}
+			}
+			sect, sectsub = lit, ""
+			pos, tok, lit = s.Scan()
+			if errs.Len() > 0 {
+				if err := c.Collect(errs.Err()); err != nil {
+					return err
+				}
+			}
+			if tok == token.STRING {
+				sectsub = unquote(lit)
+				if sectsub == "" {
+					if err := c.Collect(errfn("empty subsection name")); err != nil {
+						return err
+					}
+				}
+				pos, tok, lit = s.Scan()
+				if errs.Len() > 0 {
+					if err := c.Collect(errs.Err()); err != nil {
+						return err
+					}
+				}
+			}
+			if tok != token.RBRACK {
+				if sectsub == "" {
+					if err := c.Collect(errfn("expected subsection name or right bracket")); err != nil {
+						return err
+					}
+				}
+				if err := c.Collect(errfn("expected right bracket")); err != nil {
+					return err
+				}
+			}
+			pos, tok, lit = s.Scan()
+			if tok != token.EOL && tok != token.EOF && tok != token.COMMENT {
+				if err := c.Collect(errfn("expected EOL, EOF, or comment")); err != nil {
+					return err
+				}
+			}
+			// If a section/subsection header was found, ensure a
+			// container object is created, even if there are no
+			// variables further down.
+			err := c.Collect(callback(sect, sectsub, "", "", true))
+			if err != nil {
+				return err
+			}
+		case token.IDENT:
+			if sect == "" {
+				if err := c.Collect(errfn("expected section header")); err != nil {
+					return err
+				}
+			}
+			n := lit
+			pos, tok, lit = s.Scan()
+			if errs.Len() > 0 {
+				return errs.Err()
+			}
+			blank, v := tok == token.EOF || tok == token.EOL || tok == token.COMMENT, ""
+			if !blank {
+				if tok != token.ASSIGN {
+					if err := c.Collect(errfn("expected '='")); err != nil {
+						return err
+					}
+				}
+				pos, tok, lit = s.Scan()
+				if errs.Len() > 0 {
+					if err := c.Collect(errs.Err()); err != nil {
+						return err
+					}
+				}
+				if tok != token.STRING {
+					if err := c.Collect(errfn("expected value")); err != nil {
+						return err
+					}
+				}
+				v = unquote(lit)
+				pos, tok, lit = s.Scan()
+				if errs.Len() > 0 {
+					if err := c.Collect(errs.Err()); err != nil {
+						return err
+					}
+				}
+				if tok != token.EOL && tok != token.EOF && tok != token.COMMENT {
+					if err := c.Collect(errfn("expected EOL, EOF, or comment")); err != nil {
+						return err
+					}
+				}
+			}
+			err := c.Collect(callback(sect, sectsub, n, v, blank))
+			if err != nil {
+				return err
+			}
+		default:
+			if sect == "" {
+				if err := c.Collect(errfn("expected section header")); err != nil {
+					return err
+				}
+			}
+			if err := c.Collect(errfn("expected section header or variable declaration")); err != nil {
+				return err
+			}
+		}
+	}
+	panic("never reached")
+}
+
+func readInto(config interface{}, fset *token.FileSet, file *token.File,
+	src []byte) error {
+	//
+	c := warnings.NewCollector(isFatal)
+	firstPassCallback := func(s string, ss string, k string, v string, bv bool) error {
+		return set(c, config, s, ss, k, v, bv, false)
+	}
+	err := read(c, firstPassCallback, fset, file, src)
+	if err != nil {
+		return err
+	}
+	secondPassCallback := func(s string, ss string, k string, v string, bv bool) error {
+		return set(c, config, s, ss, k, v, bv, true)
+	}
+	err = read(c, secondPassCallback, fset, file, src)
+	if err != nil {
+		return err
+	}
+	return c.Done()
+}
+
+// ReadWithCallback reads gcfg formatted data from reader and calls
+// callback with each section and option found.
+//
+// Callback is called with section, subsection, option key, option value
+// and blank value flag as arguments.
+//
+// When a section is found, callback is called with nil subsection, option key
+// and option value.
+//
+// When a subsection is found, callback is called with nil option key and
+// option value.
+//
+// If blank value flag is true, it means that the value was not set for an option
+// (as opposed to set to empty string).
+//
+// If callback returns an error, ReadWithCallback terminates with an error too.
+func ReadWithCallback(reader io.Reader, callback func(string, string, string, string, bool) error) error {
+	src, err := ioutil.ReadAll(reader)
+	if err != nil {
+		return err
+	}
+
+	fset := token.NewFileSet()
+	file := fset.AddFile("", fset.Base(), len(src))
+	c := warnings.NewCollector(isFatal)
+
+	return read(c, callback, fset, file, src)
+}
+
+// ReadInto reads gcfg formatted data from reader and sets the values into the
+// corresponding fields in config.
+func ReadInto(config interface{}, reader io.Reader) error {
+	src, err := ioutil.ReadAll(reader)
+	if err != nil {
+		return err
+	}
+	fset := token.NewFileSet()
+	file := fset.AddFile("", fset.Base(), len(src))
+	return readInto(config, fset, file, src)
+}
+
+// ReadStringInto reads gcfg formatted data from str and sets the values into
+// the corresponding fields in config.
+func ReadStringInto(config interface{}, str string) error {
+	r := strings.NewReader(str)
+	return ReadInto(config, r)
+}
+
+// ReadFileInto reads gcfg formatted data from the file filename and sets the
+// values into the corresponding fields in config.
+func ReadFileInto(config interface{}, filename string) error {
+	f, err := os.Open(filename)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	src, err := ioutil.ReadAll(f)
+	if err != nil {
+		return err
+	}
+	fset := token.NewFileSet()
+	file := fset.AddFile(filename, fset.Base(), len(src))
+	return readInto(config, fset, file, src)
+}

vendor/github.com/src-d/gcfg/scanner/errors.go

@@ -0,0 +1,121 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package scanner
+
+import (
+	"fmt"
+	"io"
+	"sort"
+)
+
+import (
+	"github.com/src-d/gcfg/token"
+)
+
+// In an ErrorList, an error is represented by an *Error.
+// The position Pos, if valid, points to the beginning of
+// the offending token, and the error condition is described
+// by Msg.
+//
+type Error struct {
+	Pos token.Position
+	Msg string
+}
+
+// Error implements the error interface.
+func (e Error) Error() string {
+	if e.Pos.Filename != "" || e.Pos.IsValid() {
+		// don't print "<unknown position>"
+		// TODO(gri) reconsider the semantics of Position.IsValid
+		return e.Pos.String() + ": " + e.Msg
+	}
+	return e.Msg
+}
+
+// ErrorList is a list of *Errors.
+// The zero value for an ErrorList is an empty ErrorList ready to use.
+//
+type ErrorList []*Error
+
+// Add adds an Error with given position and error message to an ErrorList.
+func (p *ErrorList) Add(pos token.Position, msg string) {
+	*p = append(*p, &Error{pos, msg})
+}
+
+// Reset resets an ErrorList to no errors.
+func (p *ErrorList) Reset() { *p = (*p)[0:0] }
+
+// ErrorList implements the sort Interface.
+func (p ErrorList) Len() int      { return len(p) }
+func (p ErrorList) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
+
+func (p ErrorList) Less(i, j int) bool {
+	e := &p[i].Pos
+	f := &p[j].Pos
+	if e.Filename < f.Filename {
+		return true
+	}
+	if e.Filename == f.Filename {
+		return e.Offset < f.Offset
+	}
+	return false
+}
+
+// Sort sorts an ErrorList. *Error entries are sorted by position,
+// other errors are sorted by error message, and before any *Error
+// entry.
+//
+func (p ErrorList) Sort() {
+	sort.Sort(p)
+}
+
+// RemoveMultiples sorts an ErrorList and removes all but the first error per line.
+func (p *ErrorList) RemoveMultiples() {
+	sort.Sort(p)
+	var last token.Position // initial last.Line is != any legal error line
+	i := 0
+	for _, e := range *p {
+		if e.Pos.Filename != last.Filename || e.Pos.Line != last.Line {
+			last = e.Pos
+			(*p)[i] = e
+			i++
+		}
+	}
+	(*p) = (*p)[0:i]
+}
+
+// An ErrorList implements the error interface.
+func (p ErrorList) Error() string {
+	switch len(p) {
+	case 0:
+		return "no errors"
+	case 1:
+		return p[0].Error()
+	}
+	return fmt.Sprintf("%s (and %d more errors)", p[0], len(p)-1)
+}
+
+// Err returns an error equivalent to this error list.
+// If the list is empty, Err returns nil.
+func (p ErrorList) Err() error {
+	if len(p) == 0 {
+		return nil
+	}
+	return p
+}
+
+// PrintError is a utility function that prints a list of errors to w,
+// one error per line, if the err parameter is an ErrorList. Otherwise
+// it prints the err string.
+//
+func PrintError(w io.Writer, err error) {
+	if list, ok := err.(ErrorList); ok {
+		for _, e := range list {
+			fmt.Fprintf(w, "%s\n", e)
+		}
+	} else if err != nil {
+		fmt.Fprintf(w, "%s\n", err)
+	}
+}

vendor/github.com/src-d/gcfg/scanner/scanner.go

@@ -0,0 +1,342 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package scanner implements a scanner for gcfg configuration text.
+// It takes a []byte as source which can then be tokenized
+// through repeated calls to the Scan method.
+//
+// Note that the API for the scanner package may change to accommodate new
+// features or implementation changes in gcfg.
+//
+package scanner
+
+import (
+	"fmt"
+	"path/filepath"
+	"unicode"
+	"unicode/utf8"
+)
+
+import (
+	"github.com/src-d/gcfg/token"
+)
+
+// An ErrorHandler may be provided to Scanner.Init. If a syntax error is
+// encountered and a handler was installed, the handler is called with a
+// position and an error message. The position points to the beginning of
+// the offending token.
+//
+type ErrorHandler func(pos token.Position, msg string)
+
+// A Scanner holds the scanner's internal state while processing
+// a given text.  It can be allocated as part of another data
+// structure but must be initialized via Init before use.
+//
+type Scanner struct {
+	// immutable state
+	file *token.File  // source file handle
+	dir  string       // directory portion of file.Name()
+	src  []byte       // source
+	err  ErrorHandler // error reporting; or nil
+	mode Mode         // scanning mode
+
+	// scanning state
+	ch         rune // current character
+	offset     int  // character offset
+	rdOffset   int  // reading offset (position after current character)
+	lineOffset int  // current line offset
+	nextVal    bool // next token is expected to be a value
+
+	// public state - ok to modify
+	ErrorCount int // number of errors encountered
+}
+
+// Read the next Unicode char into s.ch.
+// s.ch < 0 means end-of-file.
+//
+func (s *Scanner) next() {
+	if s.rdOffset < len(s.src) {
+		s.offset = s.rdOffset
+		if s.ch == '\n' {
+			s.lineOffset = s.offset
+			s.file.AddLine(s.offset)
+		}
+		r, w := rune(s.src[s.rdOffset]), 1
+		switch {
+		case r == 0:
+			s.error(s.offset, "illegal character NUL")
+		case r >= 0x80:
+			// not ASCII
+			r, w = utf8.DecodeRune(s.src[s.rdOffset:])
+			if r == utf8.RuneError && w == 1 {
+				s.error(s.offset, "illegal UTF-8 encoding")
+			}
+		}
+		s.rdOffset += w
+		s.ch = r
+	} else {
+		s.offset = len(s.src)
+		if s.ch == '\n' {
+			s.lineOffset = s.offset
+			s.file.AddLine(s.offset)
+		}
+		s.ch = -1 // eof
+	}
+}
+
+// A mode value is a set of flags (or 0).
+// They control scanner behavior.
+//
+type Mode uint
+
+const (
+	ScanComments Mode = 1 << iota // return comments as COMMENT tokens
+)
+
+// Init prepares the scanner s to tokenize the text src by setting the
+// scanner at the beginning of src. The scanner uses the file set file
+// for position information and it adds line information for each line.
+// It is ok to re-use the same file when re-scanning the same file as
+// line information which is already present is ignored. Init causes a
+// panic if the file size does not match the src size.
+//
+// Calls to Scan will invoke the error handler err if they encounter a
+// syntax error and err is not nil. Also, for each error encountered,
+// the Scanner field ErrorCount is incremented by one. The mode parameter
+// determines how comments are handled.
+//
+// Note that Init may call err if there is an error in the first character
+// of the file.
+//
+func (s *Scanner) Init(file *token.File, src []byte, err ErrorHandler, mode Mode) {
+	// Explicitly initialize all fields since a scanner may be reused.
+	if file.Size() != len(src) {
+		panic(fmt.Sprintf("file size (%d) does not match src len (%d)", file.Size(), len(src)))
+	}
+	s.file = file
+	s.dir, _ = filepath.Split(file.Name())
+	s.src = src
+	s.err = err
+	s.mode = mode
+
+	s.ch = ' '
+	s.offset = 0
+	s.rdOffset = 0
+	s.lineOffset = 0
+	s.ErrorCount = 0
+	s.nextVal = false
+
+	s.next()
+}
+
+func (s *Scanner) error(offs int, msg string) {
+	if s.err != nil {
+		s.err(s.file.Position(s.file.Pos(offs)), msg)
+	}
+	s.ErrorCount++
+}
+
+func (s *Scanner) scanComment() string {
+	// initial [;#] already consumed
+	offs := s.offset - 1 // position of initial [;#]
+
+	for s.ch != '\n' && s.ch >= 0 {
+		s.next()
+	}
+	return string(s.src[offs:s.offset])
+}
+
+func isLetter(ch rune) bool {
+	return 'a' <= ch && ch <= 'z' || 'A' <= ch && ch <= 'Z' || ch >= 0x80 && unicode.IsLetter(ch)
+}
+
+func isDigit(ch rune) bool {
+	return '0' <= ch && ch <= '9' || ch >= 0x80 && unicode.IsDigit(ch)
+}
+
+func (s *Scanner) scanIdentifier() string {
+	offs := s.offset
+	for isLetter(s.ch) || isDigit(s.ch) || s.ch == '-' {
+		s.next()
+	}
+	return string(s.src[offs:s.offset])
+}
+
+func (s *Scanner) scanEscape(val bool) {
+	offs := s.offset
+	ch := s.ch
+	s.next() // always make progress
+	switch ch {
+	case '\\', '"':
+		// ok
+	case 'n', 't', 'b':
+		if val {
+			break // ok
+		}
+		fallthrough
+	default:
+		s.error(offs, "unknown escape sequence")
+	}
+}
+
+func (s *Scanner) scanString() string {
+	// '"' opening already consumed
+	offs := s.offset - 1
+
+	for s.ch != '"' {
+		ch := s.ch
+		s.next()
+		if ch == '\n' || ch < 0 {
+			s.error(offs, "string not terminated")
+			break
+		}
+		if ch == '\\' {
+			s.scanEscape(false)
+		}
+	}
+
+	s.next()
+
+	return string(s.src[offs:s.offset])
+}
+
+func stripCR(b []byte) []byte {
+	c := make([]byte, len(b))
+	i := 0
+	for _, ch := range b {
+		if ch != '\r' {
+			c[i] = ch
+			i++
+		}
+	}
+	return c[:i]
+}
+
+func (s *Scanner) scanValString() string {
+	offs := s.offset
+
+	hasCR := false
+	end := offs
+	inQuote := false
+loop:
+	for inQuote || s.ch >= 0 && s.ch != '\n' && s.ch != ';' && s.ch != '#' {
+		ch := s.ch
+		s.next()
+		switch {
+		case inQuote && ch == '\\':
+			s.scanEscape(true)
+		case !inQuote && ch == '\\':
+			if s.ch == '\r' {
+				hasCR = true
+				s.next()
+			}
+			if s.ch != '\n' {
+				s.scanEscape(true)
+			} else {
+				s.next()
+			}
+		case ch == '"':
+			inQuote = !inQuote
+		case ch == '\r':
+			hasCR = true
+		case ch < 0 || inQuote && ch == '\n':
+			s.error(offs, "string not terminated")
+			break loop
+		}
+		if inQuote || !isWhiteSpace(ch) {
+			end = s.offset
+		}
+	}
+
+	lit := s.src[offs:end]
+	if hasCR {
+		lit = stripCR(lit)
+	}
+
+	return string(lit)
+}
+
+func isWhiteSpace(ch rune) bool {
+	return ch == ' ' || ch == '\t' || ch == '\r'
+}
+
+func (s *Scanner) skipWhitespace() {
+	for isWhiteSpace(s.ch) {
+		s.next()
+	}
+}
+
+// Scan scans the next token and returns the token position, the token,
+// and its literal string if applicable. The source end is indicated by
+// token.EOF.
+//
+// If the returned token is a literal (token.IDENT, token.STRING) or
+// token.COMMENT, the literal string has the corresponding value.
+//
+// If the returned token is token.ILLEGAL, the literal string is the
+// offending character.
+//
+// In all other cases, Scan returns an empty literal string.
+//
+// For more tolerant parsing, Scan will return a valid token if
+// possible even if a syntax error was encountered. Thus, even
+// if the resulting token sequence contains no illegal tokens,
+// a client may not assume that no error occurred. Instead it
+// must check the scanner's ErrorCount or the number of calls
+// of the error handler, if there was one installed.
+//
+// Scan adds line information to the file added to the file
+// set with Init. Token positions are relative to that file
+// and thus relative to the file set.
+//
+func (s *Scanner) Scan() (pos token.Pos, tok token.Token, lit string) {
+scanAgain:
+	s.skipWhitespace()
+
+	// current token start
+	pos = s.file.Pos(s.offset)
+
+	// determine token value
+	switch ch := s.ch; {
+	case s.nextVal:
+		lit = s.scanValString()
+		tok = token.STRING
+		s.nextVal = false
+	case isLetter(ch):
+		lit = s.scanIdentifier()
+		tok = token.IDENT
+	default:
+		s.next() // always make progress
+		switch ch {
+		case -1:
+			tok = token.EOF
+		case '\n':
+			tok = token.EOL
+		case '"':
+			tok = token.STRING
+			lit = s.scanString()
+		case '[':
+			tok = token.LBRACK
+		case ']':
+			tok = token.RBRACK
+		case ';', '#':
+			// comment
+			lit = s.scanComment()
+			if s.mode&ScanComments == 0 {
+				// skip comment
+				goto scanAgain
+			}
+			tok = token.COMMENT
+		case '=':
+			tok = token.ASSIGN
+			s.nextVal = true
+		default:
+			s.error(s.file.Offset(pos), fmt.Sprintf("illegal character %#U", ch))
+			tok = token.ILLEGAL
+			lit = string(ch)
+		}
+	}
+
+	return
+}

vendor/github.com/src-d/gcfg/set.go

@@ -0,0 +1,332 @@
+package gcfg
+
+import (
+	"bytes"
+	"encoding/gob"
+	"fmt"
+	"math/big"
+	"reflect"
+	"strings"
+	"unicode"
+	"unicode/utf8"
+
+	"github.com/src-d/gcfg/types"
+	"gopkg.in/warnings.v0"
+)
+
+type tag struct {
+	ident   string
+	intMode string
+}
+
+func newTag(ts string) tag {
+	t := tag{}
+	s := strings.Split(ts, ",")
+	t.ident = s[0]
+	for _, tse := range s[1:] {
+		if strings.HasPrefix(tse, "int=") {
+			t.intMode = tse[len("int="):]
+		}
+	}
+	return t
+}
+
+func fieldFold(v reflect.Value, name string) (reflect.Value, tag) {
+	var n string
+	r0, _ := utf8.DecodeRuneInString(name)
+	if unicode.IsLetter(r0) && !unicode.IsLower(r0) && !unicode.IsUpper(r0) {
+		n = "X"
+	}
+	n += strings.Replace(name, "-", "_", -1)
+	f, ok := v.Type().FieldByNameFunc(func(fieldName string) bool {
+		if !v.FieldByName(fieldName).CanSet() {
+			return false
+		}
+		f, _ := v.Type().FieldByName(fieldName)
+		t := newTag(f.Tag.Get("gcfg"))
+		if t.ident != "" {
+			return strings.EqualFold(t.ident, name)
+		}
+		return strings.EqualFold(n, fieldName)
+	})
+	if !ok {
+		return reflect.Value{}, tag{}
+	}
+	return v.FieldByName(f.Name), newTag(f.Tag.Get("gcfg"))
+}
+
+type setter func(destp interface{}, blank bool, val string, t tag) error
+
+var errUnsupportedType = fmt.Errorf("unsupported type")
+var errBlankUnsupported = fmt.Errorf("blank value not supported for type")
+
+var setters = []setter{
+	typeSetter, textUnmarshalerSetter, kindSetter, scanSetter,
+}
+
+func textUnmarshalerSetter(d interface{}, blank bool, val string, t tag) error {
+	dtu, ok := d.(textUnmarshaler)
+	if !ok {
+		return errUnsupportedType
+	}
+	if blank {
+		return errBlankUnsupported
+	}
+	return dtu.UnmarshalText([]byte(val))
+}
+
+func boolSetter(d interface{}, blank bool, val string, t tag) error {
+	if blank {
+		reflect.ValueOf(d).Elem().Set(reflect.ValueOf(true))
+		return nil
+	}
+	b, err := types.ParseBool(val)
+	if err == nil {
+		reflect.ValueOf(d).Elem().Set(reflect.ValueOf(b))
+	}
+	return err
+}
+
+func intMode(mode string) types.IntMode {
+	var m types.IntMode
+	if strings.ContainsAny(mode, "dD") {
+		m |= types.Dec
+	}
+	if strings.ContainsAny(mode, "hH") {
+		m |= types.Hex
+	}
+	if strings.ContainsAny(mode, "oO") {
+		m |= types.Oct
+	}
+	return m
+}
+
+var typeModes = map[reflect.Type]types.IntMode{
+	reflect.TypeOf(int(0)):    types.Dec | types.Hex,
+	reflect.TypeOf(int8(0)):   types.Dec | types.Hex,
+	reflect.TypeOf(int16(0)):  types.Dec | types.Hex,
+	reflect.TypeOf(int32(0)):  types.Dec | types.Hex,
+	reflect.TypeOf(int64(0)):  types.Dec | types.Hex,
+	reflect.TypeOf(uint(0)):   types.Dec | types.Hex,
+	reflect.TypeOf(uint8(0)):  types.Dec | types.Hex,
+	reflect.TypeOf(uint16(0)): types.Dec | types.Hex,
+	reflect.TypeOf(uint32(0)): types.Dec | types.Hex,
+	reflect.TypeOf(uint64(0)): types.Dec | types.Hex,
+	// use default mode (allow dec/hex/oct) for uintptr type
+	reflect.TypeOf(big.Int{}): types.Dec | types.Hex,
+}
+
+func intModeDefault(t reflect.Type) types.IntMode {
+	m, ok := typeModes[t]
+	if !ok {
+		m = types.Dec | types.Hex | types.Oct
+	}
+	return m
+}
+
+func intSetter(d interface{}, blank bool, val string, t tag) error {
+	if blank {
+		return errBlankUnsupported
+	}
+	mode := intMode(t.intMode)
+	if mode == 0 {
+		mode = intModeDefault(reflect.TypeOf(d).Elem())
+	}
+	return types.ParseInt(d, val, mode)
+}
+
+func stringSetter(d interface{}, blank bool, val string, t tag) error {
+	if blank {
+		return errBlankUnsupported
+	}
+	dsp, ok := d.(*string)
+	if !ok {
+		return errUnsupportedType
+	}
+	*dsp = val
+	return nil
+}
+
+var kindSetters = map[reflect.Kind]setter{
+	reflect.String:  stringSetter,
+	reflect.Bool:    boolSetter,
+	reflect.Int:     intSetter,
+	reflect.Int8:    intSetter,
+	reflect.Int16:   intSetter,
+	reflect.Int32:   intSetter,
+	reflect.Int64:   intSetter,
+	reflect.Uint:    intSetter,
+	reflect.Uint8:   intSetter,
+	reflect.Uint16:  intSetter,
+	reflect.Uint32:  intSetter,
+	reflect.Uint64:  intSetter,
+	reflect.Uintptr: intSetter,
+}
+
+var typeSetters = map[reflect.Type]setter{
+	reflect.TypeOf(big.Int{}): intSetter,
+}
+
+func typeSetter(d interface{}, blank bool, val string, tt tag) error {
+	t := reflect.ValueOf(d).Type().Elem()
+	setter, ok := typeSetters[t]
+	if !ok {
+		return errUnsupportedType
+	}
+	return setter(d, blank, val, tt)
+}
+
+func kindSetter(d interface{}, blank bool, val string, tt tag) error {
+	k := reflect.ValueOf(d).Type().Elem().Kind()
+	setter, ok := kindSetters[k]
+	if !ok {
+		return errUnsupportedType
+	}
+	return setter(d, blank, val, tt)
+}
+
+func scanSetter(d interface{}, blank bool, val string, tt tag) error {
+	if blank {
+		return errBlankUnsupported
+	}
+	return types.ScanFully(d, val, 'v')
+}
+
+func newValue(c *warnings.Collector, sect string, vCfg reflect.Value,
+	vType reflect.Type) (reflect.Value, error) {
+	//
+	pv := reflect.New(vType)
+	dfltName := "default-" + sect
+	dfltField, _ := fieldFold(vCfg, dfltName)
+	var err error
+	if dfltField.IsValid() {
+		b := bytes.NewBuffer(nil)
+		ge := gob.NewEncoder(b)
+		if err = c.Collect(ge.EncodeValue(dfltField)); err != nil {
+			return pv, err
+		}
+		gd := gob.NewDecoder(bytes.NewReader(b.Bytes()))
+		if err = c.Collect(gd.DecodeValue(pv.Elem())); err != nil {
+			return pv, err
+		}
+	}
+	return pv, nil
+}
+
+func set(c *warnings.Collector, cfg interface{}, sect, sub, name string,
+	 value string, blankValue bool, subsectPass bool) error {
+	//
+	vPCfg := reflect.ValueOf(cfg)
+	if vPCfg.Kind() != reflect.Ptr || vPCfg.Elem().Kind() != reflect.Struct {
+		panic(fmt.Errorf("config must be a pointer to a struct"))
+	}
+	vCfg := vPCfg.Elem()
+	vSect, _ := fieldFold(vCfg, sect)
+	if !vSect.IsValid() {
+		err := extraData{section: sect}
+		return c.Collect(err)
+	}
+	isSubsect := vSect.Kind() == reflect.Map
+	if subsectPass != isSubsect {
+		return nil
+	}
+	if isSubsect {
+		vst := vSect.Type()
+		if vst.Key().Kind() != reflect.String ||
+			vst.Elem().Kind() != reflect.Ptr ||
+			vst.Elem().Elem().Kind() != reflect.Struct {
+			panic(fmt.Errorf("map field for section must have string keys and "+
+				" pointer-to-struct values: section %q", sect))
+		}
+		if vSect.IsNil() {
+			vSect.Set(reflect.MakeMap(vst))
+		}
+		k := reflect.ValueOf(sub)
+		pv := vSect.MapIndex(k)
+		if !pv.IsValid() {
+			vType := vSect.Type().Elem().Elem()
+			var err error
+			if pv, err = newValue(c, sect, vCfg, vType); err != nil {
+				return err
+			}
+			vSect.SetMapIndex(k, pv)
+		}
+		vSect = pv.Elem()
+	} else if vSect.Kind() != reflect.Struct {
+		panic(fmt.Errorf("field for section must be a map or a struct: "+
+			"section %q", sect))
+	} else if sub != "" {
+		err := extraData{section: sect, subsection: &sub}
+		return c.Collect(err)
+	}
+	// Empty name is a special value, meaning that only the
+	// section/subsection object is to be created, with no values set.
+	if name == "" {
+		return nil
+	}
+	vVar, t := fieldFold(vSect, name)
+	if !vVar.IsValid() {
+		var err error
+		if isSubsect {
+			err = extraData{section: sect, subsection: &sub, variable: &name}
+		} else {
+			err = extraData{section: sect, variable: &name}
+		}
+		return c.Collect(err)
+	}
+	// vVal is either single-valued var, or newly allocated value within multi-valued var
+	var vVal reflect.Value
+	// multi-value if unnamed slice type
+	isMulti := vVar.Type().Name() == "" && vVar.Kind() == reflect.Slice ||
+		vVar.Type().Name() == "" && vVar.Kind() == reflect.Ptr && vVar.Type().Elem().Name() == "" && vVar.Type().Elem().Kind() == reflect.Slice
+	if isMulti && vVar.Kind() == reflect.Ptr {
+		if vVar.IsNil() {
+			vVar.Set(reflect.New(vVar.Type().Elem()))
+		}
+		vVar = vVar.Elem()
+	}
+	if isMulti && blankValue {
+		vVar.Set(reflect.Zero(vVar.Type()))
+		return nil
+	}
+	if isMulti {
+		vVal = reflect.New(vVar.Type().Elem()).Elem()
+	} else {
+		vVal = vVar
+	}
+	isDeref := vVal.Type().Name() == "" && vVal.Type().Kind() == reflect.Ptr
+	isNew := isDeref && vVal.IsNil()
+	// vAddr is address of value to set (dereferenced & allocated as needed)
+	var vAddr reflect.Value
+	switch {
+	case isNew:
+		vAddr = reflect.New(vVal.Type().Elem())
+	case isDeref && !isNew:
+		vAddr = vVal
+	default:
+		vAddr = vVal.Addr()
+	}
+	vAddrI := vAddr.Interface()
+	err, ok := error(nil), false
+	for _, s := range setters {
+		err = s(vAddrI, blankValue, value, t)
+		if err == nil {
+			ok = true
+			break
+		}
+		if err != errUnsupportedType {
+			return err
+		}
+	}
+	if !ok {
+		// in case all setters returned errUnsupportedType
+		return err
+	}
+	if isNew { // set reference if it was dereferenced and newly allocated
+		vVal.Set(vAddr)
+	}
+	if isMulti { // append if multi-valued
+		vVar.Set(reflect.Append(vVar, vVal))
+	}
+	return nil
+}

vendor/github.com/src-d/gcfg/token/position.go

@@ -0,0 +1,435 @@
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// TODO(gri) consider making this a separate package outside the go directory.
+
+package token
+
+import (
+	"fmt"
+	"sort"
+	"sync"
+)
+
+// -----------------------------------------------------------------------------
+// Positions
+
+// Position describes an arbitrary source position
+// including the file, line, and column location.
+// A Position is valid if the line number is > 0.
+//
+type Position struct {
+	Filename string // filename, if any
+	Offset   int    // offset, starting at 0
+	Line     int    // line number, starting at 1
+	Column   int    // column number, starting at 1 (character count)
+}
+
+// IsValid returns true if the position is valid.
+func (pos *Position) IsValid() bool { return pos.Line > 0 }
+
+// String returns a string in one of several forms:
+//
+//	file:line:column    valid position with file name
+//	line:column         valid position without file name
+//	file                invalid position with file name
+//	-                   invalid position without file name
+//
+func (pos Position) String() string {
+	s := pos.Filename
+	if pos.IsValid() {
+		if s != "" {
+			s += ":"
+		}
+		s += fmt.Sprintf("%d:%d", pos.Line, pos.Column)
+	}
+	if s == "" {
+		s = "-"
+	}
+	return s
+}
+
+// Pos is a compact encoding of a source position within a file set.
+// It can be converted into a Position for a more convenient, but much
+// larger, representation.
+//
+// The Pos value for a given file is a number in the range [base, base+size],
+// where base and size are specified when adding the file to the file set via
+// AddFile.
+//
+// To create the Pos value for a specific source offset, first add
+// the respective file to the current file set (via FileSet.AddFile)
+// and then call File.Pos(offset) for that file. Given a Pos value p
+// for a specific file set fset, the corresponding Position value is
+// obtained by calling fset.Position(p).
+//
+// Pos values can be compared directly with the usual comparison operators:
+// If two Pos values p and q are in the same file, comparing p and q is
+// equivalent to comparing the respective source file offsets. If p and q
+// are in different files, p < q is true if the file implied by p was added
+// to the respective file set before the file implied by q.
+//
+type Pos int
+
+// The zero value for Pos is NoPos; there is no file and line information
+// associated with it, and NoPos().IsValid() is false. NoPos is always
+// smaller than any other Pos value. The corresponding Position value
+// for NoPos is the zero value for Position.
+//
+const NoPos Pos = 0
+
+// IsValid returns true if the position is valid.
+func (p Pos) IsValid() bool {
+	return p != NoPos
+}
+
+// -----------------------------------------------------------------------------
+// File
+
+// A File is a handle for a file belonging to a FileSet.
+// A File has a name, size, and line offset table.
+//
+type File struct {
+	set  *FileSet
+	name string // file name as provided to AddFile
+	base int    // Pos value range for this file is [base...base+size]
+	size int    // file size as provided to AddFile
+
+	// lines and infos are protected by set.mutex
+	lines []int
+	infos []lineInfo
+}
+
+// Name returns the file name of file f as registered with AddFile.
+func (f *File) Name() string {
+	return f.name
+}
+
+// Base returns the base offset of file f as registered with AddFile.
+func (f *File) Base() int {
+	return f.base
+}
+
+// Size returns the size of file f as registered with AddFile.
+func (f *File) Size() int {
+	return f.size
+}
+
+// LineCount returns the number of lines in file f.
+func (f *File) LineCount() int {
+	f.set.mutex.RLock()
+	n := len(f.lines)
+	f.set.mutex.RUnlock()
+	return n
+}
+
+// AddLine adds the line offset for a new line.
+// The line offset must be larger than the offset for the previous line
+// and smaller than the file size; otherwise the line offset is ignored.
+//
+func (f *File) AddLine(offset int) {
+	f.set.mutex.Lock()
+	if i := len(f.lines); (i == 0 || f.lines[i-1] < offset) && offset < f.size {
+		f.lines = append(f.lines, offset)
+	}
+	f.set.mutex.Unlock()
+}
+
+// SetLines sets the line offsets for a file and returns true if successful.
+// The line offsets are the offsets of the first character of each line;
+// for instance for the content "ab\nc\n" the line offsets are {0, 3}.
+// An empty file has an empty line offset table.
+// Each line offset must be larger than the offset for the previous line
+// and smaller than the file size; otherwise SetLines fails and returns
+// false.
+//
+func (f *File) SetLines(lines []int) bool {
+	// verify validity of lines table
+	size := f.size
+	for i, offset := range lines {
+		if i > 0 && offset <= lines[i-1] || size <= offset {
+			return false
+		}
+	}
+
+	// set lines table
+	f.set.mutex.Lock()
+	f.lines = lines
+	f.set.mutex.Unlock()
+	return true
+}
+
+// SetLinesForContent sets the line offsets for the given file content.
+func (f *File) SetLinesForContent(content []byte) {
+	var lines []int
+	line := 0
+	for offset, b := range content {
+		if line >= 0 {
+			lines = append(lines, line)
+		}
+		line = -1
+		if b == '\n' {
+			line = offset + 1
+		}
+	}
+
+	// set lines table
+	f.set.mutex.Lock()
+	f.lines = lines
+	f.set.mutex.Unlock()
+}
+
+// A lineInfo object describes alternative file and line number
+// information (such as provided via a //line comment in a .go
+// file) for a given file offset.
+type lineInfo struct {
+	// fields are exported to make them accessible to gob
+	Offset   int
+	Filename string
+	Line     int
+}
+
+// AddLineInfo adds alternative file and line number information for
+// a given file offset. The offset must be larger than the offset for
+// the previously added alternative line info and smaller than the
+// file size; otherwise the information is ignored.
+//
+// AddLineInfo is typically used to register alternative position
+// information for //line filename:line comments in source files.
+//
+func (f *File) AddLineInfo(offset int, filename string, line int) {
+	f.set.mutex.Lock()
+	if i := len(f.infos); i == 0 || f.infos[i-1].Offset < offset && offset < f.size {
+		f.infos = append(f.infos, lineInfo{offset, filename, line})
+	}
+	f.set.mutex.Unlock()
+}
+
+// Pos returns the Pos value for the given file offset;
+// the offset must be <= f.Size().
+// f.Pos(f.Offset(p)) == p.
+//
+func (f *File) Pos(offset int) Pos {
+	if offset > f.size {
+		panic("illegal file offset")
+	}
+	return Pos(f.base + offset)
+}
+
+// Offset returns the offset for the given file position p;
+// p must be a valid Pos value in that file.
+// f.Offset(f.Pos(offset)) == offset.
+//
+func (f *File) Offset(p Pos) int {
+	if int(p) < f.base || int(p) > f.base+f.size {
+		panic("illegal Pos value")
+	}
+	return int(p) - f.base
+}
+
+// Line returns the line number for the given file position p;
+// p must be a Pos value in that file or NoPos.
+//
+func (f *File) Line(p Pos) int {
+	// TODO(gri) this can be implemented much more efficiently
+	return f.Position(p).Line
+}
+
+func searchLineInfos(a []lineInfo, x int) int {
+	return sort.Search(len(a), func(i int) bool { return a[i].Offset > x }) - 1
+}
+
+// info returns the file name, line, and column number for a file offset.
+func (f *File) info(offset int) (filename string, line, column int) {
+	filename = f.name
+	if i := searchInts(f.lines, offset); i >= 0 {
+		line, column = i+1, offset-f.lines[i]+1
+	}
+	if len(f.infos) > 0 {
+		// almost no files have extra line infos
+		if i := searchLineInfos(f.infos, offset); i >= 0 {
+			alt := &f.infos[i]
+			filename = alt.Filename
+			if i := searchInts(f.lines, alt.Offset); i >= 0 {
+				line += alt.Line - i - 1
+			}
+		}
+	}
+	return
+}
+
+func (f *File) position(p Pos) (pos Position) {
+	offset := int(p) - f.base
+	pos.Offset = offset
+	pos.Filename, pos.Line, pos.Column = f.info(offset)
+	return
+}
+
+// Position returns the Position value for the given file position p;
+// p must be a Pos value in that file or NoPos.
+//
+func (f *File) Position(p Pos) (pos Position) {
+	if p != NoPos {
+		if int(p) < f.base || int(p) > f.base+f.size {
+			panic("illegal Pos value")
+		}
+		pos = f.position(p)
+	}
+	return
+}
+
+// -----------------------------------------------------------------------------
+// FileSet
+
+// A FileSet represents a set of source files.
+// Methods of file sets are synchronized; multiple goroutines
+// may invoke them concurrently.
+//
+type FileSet struct {
+	mutex sync.RWMutex // protects the file set
+	base  int          // base offset for the next file
+	files []*File      // list of files in the order added to the set
+	last  *File        // cache of last file looked up
+}
+
+// NewFileSet creates a new file set.
+func NewFileSet() *FileSet {
+	s := new(FileSet)
+	s.base = 1 // 0 == NoPos
+	return s
+}
+
+// Base returns the minimum base offset that must be provided to
+// AddFile when adding the next file.
+//
+func (s *FileSet) Base() int {
+	s.mutex.RLock()
+	b := s.base
+	s.mutex.RUnlock()
+	return b
+
+}
+
+// AddFile adds a new file with a given filename, base offset, and file size
+// to the file set s and returns the file. Multiple files may have the same
+// name. The base offset must not be smaller than the FileSet's Base(), and
+// size must not be negative.
+//
+// Adding the file will set the file set's Base() value to base + size + 1
+// as the minimum base value for the next file. The following relationship
+// exists between a Pos value p for a given file offset offs:
+//
+//	int(p) = base + offs
+//
+// with offs in the range [0, size] and thus p in the range [base, base+size].
+// For convenience, File.Pos may be used to create file-specific position
+// values from a file offset.
+//
+func (s *FileSet) AddFile(filename string, base, size int) *File {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+	if base < s.base || size < 0 {
+		panic("illegal base or size")
+	}
+	// base >= s.base && size >= 0
+	f := &File{s, filename, base, size, []int{0}, nil}
+	base += size + 1 // +1 because EOF also has a position
+	if base < 0 {
+		panic("token.Pos offset overflow (> 2G of source code in file set)")
+	}
+	// add the file to the file set
+	s.base = base
+	s.files = append(s.files, f)
+	s.last = f
+	return f
+}
+
+// Iterate calls f for the files in the file set in the order they were added
+// until f returns false.
+//
+func (s *FileSet) Iterate(f func(*File) bool) {
+	for i := 0; ; i++ {
+		var file *File
+		s.mutex.RLock()
+		if i < len(s.files) {
+			file = s.files[i]
+		}
+		s.mutex.RUnlock()
+		if file == nil || !f(file) {
+			break
+		}
+	}
+}
+
+func searchFiles(a []*File, x int) int {
+	return sort.Search(len(a), func(i int) bool { return a[i].base > x }) - 1
+}
+
+func (s *FileSet) file(p Pos) *File {
+	// common case: p is in last file
+	if f := s.last; f != nil && f.base <= int(p) && int(p) <= f.base+f.size {
+		return f
+	}
+	// p is not in last file - search all files
+	if i := searchFiles(s.files, int(p)); i >= 0 {
+		f := s.files[i]
+		// f.base <= int(p) by definition of searchFiles
+		if int(p) <= f.base+f.size {
+			s.last = f
+			return f
+		}
+	}
+	return nil
+}
+
+// File returns the file that contains the position p.
+// If no such file is found (for instance for p == NoPos),
+// the result is nil.
+//
+func (s *FileSet) File(p Pos) (f *File) {
+	if p != NoPos {
+		s.mutex.RLock()
+		f = s.file(p)
+		s.mutex.RUnlock()
+	}
+	return
+}
+
+// Position converts a Pos in the fileset into a general Position.
+func (s *FileSet) Position(p Pos) (pos Position) {
+	if p != NoPos {
+		s.mutex.RLock()
+		if f := s.file(p); f != nil {
+			pos = f.position(p)
+		}
+		s.mutex.RUnlock()
+	}
+	return
+}
+
+// -----------------------------------------------------------------------------
+// Helper functions
+
+func searchInts(a []int, x int) int {
+	// This function body is a manually inlined version of:
+	//
+	//   return sort.Search(len(a), func(i int) bool { return a[i] > x }) - 1
+	//
+	// With better compiler optimizations, this may not be needed in the
+	// future, but at the moment this change improves the go/printer
+	// benchmark performance by ~30%. This has a direct impact on the
+	// speed of gofmt and thus seems worthwhile (2011-04-29).
+	// TODO(gri): Remove this when compilers have caught up.
+	i, j := 0, len(a)
+	for i < j {
+		h := i + (j-i)/2 // avoid overflow when computing h
+		// i ≤ h < j
+		if a[h] <= x {
+			i = h + 1
+		} else {
+			j = h
+		}
+	}
+	return i - 1
+}

vendor/github.com/src-d/gcfg/token/serialize.go

@@ -0,0 +1,56 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package token
+
+type serializedFile struct {
+	// fields correspond 1:1 to fields with same (lower-case) name in File
+	Name  string
+	Base  int
+	Size  int
+	Lines []int
+	Infos []lineInfo
+}
+
+type serializedFileSet struct {
+	Base  int
+	Files []serializedFile
+}
+
+// Read calls decode to deserialize a file set into s; s must not be nil.
+func (s *FileSet) Read(decode func(interface{}) error) error {
+	var ss serializedFileSet
+	if err := decode(&ss); err != nil {
+		return err
+	}
+
+	s.mutex.Lock()
+	s.base = ss.Base
+	files := make([]*File, len(ss.Files))
+	for i := 0; i < len(ss.Files); i++ {
+		f := &ss.Files[i]
+		files[i] = &File{s, f.Name, f.Base, f.Size, f.Lines, f.Infos}
+	}
+	s.files = files
+	s.last = nil
+	s.mutex.Unlock()
+
+	return nil
+}
+
+// Write calls encode to serialize the file set s.
+func (s *FileSet) Write(encode func(interface{}) error) error {
+	var ss serializedFileSet
+
+	s.mutex.Lock()
+	ss.Base = s.base
+	files := make([]serializedFile, len(s.files))
+	for i, f := range s.files {
+		files[i] = serializedFile{f.name, f.base, f.size, f.lines, f.infos}
+	}
+	ss.Files = files
+	s.mutex.Unlock()
+
+	return encode(ss)
+}

vendor/github.com/src-d/gcfg/token/token.go

@@ -0,0 +1,83 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package token defines constants representing the lexical tokens of the gcfg
+// configuration syntax and basic operations on tokens (printing, predicates).
+//
+// Note that the API for the token package may change to accommodate new
+// features or implementation changes in gcfg.
+//
+package token
+
+import "strconv"
+
+// Token is the set of lexical tokens of the gcfg configuration syntax.
+type Token int
+
+// The list of tokens.
+const (
+	// Special tokens
+	ILLEGAL Token = iota
+	EOF
+	COMMENT
+
+	literal_beg
+	// Identifiers and basic type literals
+	// (these tokens stand for classes of literals)
+	IDENT  // section-name, variable-name
+	STRING // "subsection-name", variable value
+	literal_end
+
+	operator_beg
+	// Operators and delimiters
+	ASSIGN // =
+	LBRACK // [
+	RBRACK // ]
+	EOL    // \n
+	operator_end
+)
+
+var tokens = [...]string{
+	ILLEGAL: "ILLEGAL",
+
+	EOF:     "EOF",
+	COMMENT: "COMMENT",
+
+	IDENT:  "IDENT",
+	STRING: "STRING",
+
+	ASSIGN: "=",
+	LBRACK: "[",
+	RBRACK: "]",
+	EOL:    "\n",
+}
+
+// String returns the string corresponding to the token tok.
+// For operators and delimiters, the string is the actual token character
+// sequence (e.g., for the token ASSIGN, the string is "="). For all other
+// tokens the string corresponds to the token constant name (e.g. for the
+// token IDENT, the string is "IDENT").
+//
+func (tok Token) String() string {
+	s := ""
+	if 0 <= tok && tok < Token(len(tokens)) {
+		s = tokens[tok]
+	}
+	if s == "" {
+		s = "token(" + strconv.Itoa(int(tok)) + ")"
+	}
+	return s
+}
+
+// Predicates
+
+// IsLiteral returns true for tokens corresponding to identifiers
+// and basic type literals; it returns false otherwise.
+//
+func (tok Token) IsLiteral() bool { return literal_beg < tok && tok < literal_end }
+
+// IsOperator returns true for tokens corresponding to operators and
+// delimiters; it returns false otherwise.
+//
+func (tok Token) IsOperator() bool { return operator_beg < tok && tok < operator_end }

vendor/github.com/src-d/gcfg/types/bool.go

@@ -0,0 +1,23 @@
+package types
+
+// BoolValues defines the name and value mappings for ParseBool.
+var BoolValues = map[string]interface{}{
+	"true": true, "yes": true, "on": true, "1": true,
+	"false": false, "no": false, "off": false, "0": false,
+}
+
+var boolParser = func() *EnumParser {
+	ep := &EnumParser{}
+	ep.AddVals(BoolValues)
+	return ep
+}()
+
+// ParseBool parses bool values according to the definitions in BoolValues.
+// Parsing is case-insensitive.
+func ParseBool(s string) (bool, error) {
+	v, err := boolParser.Parse(s)
+	if err != nil {
+		return false, err
+	}
+	return v.(bool), nil
+}

vendor/github.com/src-d/gcfg/types/doc.go

@@ -0,0 +1,4 @@
+// Package types defines helpers for type conversions.
+//
+// The API for this package is not finalized yet.
+package types

vendor/github.com/src-d/gcfg/types/enum.go

@@ -0,0 +1,44 @@
+package types
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+)
+
+// EnumParser parses "enum" values; i.e. a predefined set of strings to
+// predefined values.
+type EnumParser struct {
+	Type      string // type name; if not set, use type of first value added
+	CaseMatch bool   // if true, matching of strings is case-sensitive
+	// PrefixMatch bool
+	vals map[string]interface{}
+}
+
+// AddVals adds strings and values to an EnumParser.
+func (ep *EnumParser) AddVals(vals map[string]interface{}) {
+	if ep.vals == nil {
+		ep.vals = make(map[string]interface{})
+	}
+	for k, v := range vals {
+		if ep.Type == "" {
+			ep.Type = reflect.TypeOf(v).Name()
+		}
+		if !ep.CaseMatch {
+			k = strings.ToLower(k)
+		}
+		ep.vals[k] = v
+	}
+}
+
+// Parse parses the string and returns the value or an error.
+func (ep EnumParser) Parse(s string) (interface{}, error) {
+	if !ep.CaseMatch {
+		s = strings.ToLower(s)
+	}
+	v, ok := ep.vals[s]
+	if !ok {
+		return false, fmt.Errorf("failed to parse %s %#q", ep.Type, s)
+	}
+	return v, nil
+}

vendor/github.com/src-d/gcfg/types/int.go

@@ -0,0 +1,86 @@
+package types
+
+import (
+	"fmt"
+	"strings"
+)
+
+// An IntMode is a mode for parsing integer values, representing a set of
+// accepted bases.
+type IntMode uint8
+
+// IntMode values for ParseInt; can be combined using binary or.
+const (
+	Dec IntMode = 1 << iota
+	Hex
+	Oct
+)
+
+// String returns a string representation of IntMode; e.g. `IntMode(Dec|Hex)`.
+func (m IntMode) String() string {
+	var modes []string
+	if m&Dec != 0 {
+		modes = append(modes, "Dec")
+	}
+	if m&Hex != 0 {
+		modes = append(modes, "Hex")
+	}
+	if m&Oct != 0 {
+		modes = append(modes, "Oct")
+	}
+	return "IntMode(" + strings.Join(modes, "|") + ")"
+}
+
+var errIntAmbig = fmt.Errorf("ambiguous integer value; must include '0' prefix")
+
+func prefix0(val string) bool {
+	return strings.HasPrefix(val, "0") || strings.HasPrefix(val, "-0")
+}
+
+func prefix0x(val string) bool {
+	return strings.HasPrefix(val, "0x") || strings.HasPrefix(val, "-0x")
+}
+
+// ParseInt parses val using mode into intptr, which must be a pointer to an
+// integer kind type. Non-decimal value require prefix `0` or `0x` in the cases
+// when mode permits ambiguity of base; otherwise the prefix can be omitted.
+func ParseInt(intptr interface{}, val string, mode IntMode) error {
+	val = strings.TrimSpace(val)
+	verb := byte(0)
+	switch mode {
+	case Dec:
+		verb = 'd'
+	case Dec + Hex:
+		if prefix0x(val) {
+			verb = 'v'
+		} else {
+			verb = 'd'
+		}
+	case Dec + Oct:
+		if prefix0(val) && !prefix0x(val) {
+			verb = 'v'
+		} else {
+			verb = 'd'
+		}
+	case Dec + Hex + Oct:
+		verb = 'v'
+	case Hex:
+		if prefix0x(val) {
+			verb = 'v'
+		} else {
+			verb = 'x'
+		}
+	case Oct:
+		verb = 'o'
+	case Hex + Oct:
+		if prefix0(val) {
+			verb = 'v'
+		} else {
+			return errIntAmbig
+		}
+	}
+	if verb == 0 {
+		panic("unsupported mode")
+	}
+	return ScanFully(intptr, val, verb)
+}

vendor/github.com/src-d/gcfg/types/scan.go

@@ -0,0 +1,23 @@
+package types
+
+import (
+	"fmt"
+	"io"
+	"reflect"
+)
+
+// ScanFully uses fmt.Sscanf with verb to fully scan val into ptr.
+func ScanFully(ptr interface{}, val string, verb byte) error {
+	t := reflect.ValueOf(ptr).Elem().Type()
+	// attempt to read extra bytes to make sure the value is consumed
+	var b []byte
+	n, err := fmt.Sscanf(val, "%"+string(verb)+"%s", ptr, &b)
+	switch {
+	case n < 1 || n == 1 && err != io.EOF:
+		return fmt.Errorf("failed to parse %q as %v: %v", val, t, err)
+	case n > 1:
+		return fmt.Errorf("failed to parse %q as %v: extra characters %q", val, t, string(b))
+	}
+	// n == 1 && err == io.EOF
+	return nil
+}

vendor/github.com/urfave/cli/.flake8

@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 120

vendor/github.com/urfave/cli/.gitignore

@@ -0,0 +1,2 @@
+*.coverprofile
+node_modules/

vendor/github.com/urfave/cli/.travis.yml

@@ -0,0 +1,27 @@
+language: go
+sudo: false
+dist: trusty
+osx_image: xcode8.3
+go: 1.8.x
+
+os:
+- linux
+- osx
+
+cache:
+  directories:
+  - node_modules
+
+before_script:
+- go get github.com/urfave/gfmrun/... || true
+- go get golang.org/x/tools/cmd/goimports
+- if [ ! -f node_modules/.bin/markdown-toc ] ; then
+    npm install markdown-toc ;
+  fi
+
+script:
+- ./runtests gen
+- ./runtests vet
+- ./runtests test
+- ./runtests gfmrun
+- ./runtests toc

vendor/github.com/urfave/cli/CHANGELOG.md

@@ -0,0 +1,435 @@
+# Change Log
+
+**ATTN**: This project uses [semantic versioning](http://semver.org/).
+
+## [Unreleased]
+
+## 1.20.0 - 2017-08-10
+
+### Fixed
+
+* `HandleExitCoder` is now correctly iterates over all errors in
+  a `MultiError`. The exit code is the exit code of the last error or `1` if
+  there are no `ExitCoder`s in the `MultiError`.
+* Fixed YAML file loading on Windows (previously would fail validate the file path)
+* Subcommand `Usage`, `Description`, `ArgsUsage`, `OnUsageError` correctly
+  propogated
+* `ErrWriter` is now passed downwards through command structure to avoid the
+  need to redefine it
+* Pass `Command` context into `OnUsageError` rather than parent context so that
+  all fields are avaiable
+* Errors occuring in `Before` funcs are no longer double printed
+* Use `UsageText` in the help templates for commands and subcommands if
+  defined; otherwise build the usage as before (was previously ignoring this
+  field)
+* `IsSet` and `GlobalIsSet` now correctly return whether a flag is set if
+  a program calls `Set` or `GlobalSet` directly after flag parsing (would
+  previously only return `true` if the flag was set during parsing)
+
+### Changed
+
+* No longer exit the program on command/subcommand error if the error raised is
+  not an `OsExiter`. This exiting behavior was introduced in 1.19.0, but was
+  determined to be a regression in functionality. See [the
+  PR](https://github.com/urfave/cli/pull/595) for discussion.
+
+### Added
+
+* `CommandsByName` type was added to make it easy to sort `Command`s by name,
+  alphabetically
+* `altsrc` now handles loading of string and int arrays from TOML
+* Support for definition of custom help templates for `App` via
+  `CustomAppHelpTemplate`
+* Support for arbitrary key/value fields on `App` to be used with
+  `CustomAppHelpTemplate` via `ExtraInfo`
+* `HelpFlag`, `VersionFlag`, and `BashCompletionFlag` changed to explictly be
+  `cli.Flag`s allowing for the use of custom flags satisfying the `cli.Flag`
+  interface to be used.
+
+
+## [1.19.1] - 2016-11-21
+
+### Fixed
+
+- Fixes regression introduced in 1.19.0 where using an `ActionFunc` as
+  the `Action` for a command would cause it to error rather than calling the
+  function. Should not have a affected declarative cases using `func(c
+  *cli.Context) err)`.
+- Shell completion now handles the case where the user specifies
+  `--generate-bash-completion` immediately after a flag that takes an argument.
+  Previously it call the application with `--generate-bash-completion` as the
+  flag value.
+
+## [1.19.0] - 2016-11-19
+### Added
+- `FlagsByName` was added to make it easy to sort flags (e.g. `sort.Sort(cli.FlagsByName(app.Flags))`)
+- A `Description` field was added to `App` for a more detailed description of
+  the application (similar to the existing `Description` field on `Command`)
+- Flag type code generation via `go generate`
+- Write to stderr and exit 1 if action returns non-nil error
+- Added support for TOML to the `altsrc` loader
+- `SkipArgReorder` was added to allow users to skip the argument reordering.
+  This is useful if you want to consider all "flags" after an argument as
+  arguments rather than flags (the default behavior of the stdlib `flag`
+  library). This is backported functionality from the [removal of the flag
+  reordering](https://github.com/urfave/cli/pull/398) in the unreleased version
+  2
+- For formatted errors (those implementing `ErrorFormatter`), the errors will
+  be formatted during output. Compatible with `pkg/errors`.
+
+### Changed
+- Raise minimum tested/supported Go version to 1.2+
+
+### Fixed
+- Consider empty environment variables as set (previously environment variables
+  with the equivalent of `""` would be skipped rather than their value used).
+- Return an error if the value in a given environment variable cannot be parsed
+  as the flag type. Previously these errors were silently swallowed.
+- Print full error when an invalid flag is specified (which includes the invalid flag)
+- `App.Writer` defaults to `stdout` when `nil`
+- If no action is specified on a command or app, the help is now printed instead of `panic`ing
+- `App.Metadata` is initialized automatically now (previously was `nil` unless initialized)
+- Correctly show help message if `-h` is provided to a subcommand
+- `context.(Global)IsSet` now respects environment variables. Previously it
+  would return `false` if a flag was specified in the environment rather than
+  as an argument
+- Removed deprecation warnings to STDERR to avoid them leaking to the end-user
+- `altsrc`s import paths were updated to use `gopkg.in/urfave/cli.v1`. This
+  fixes issues that occurred when `gopkg.in/urfave/cli.v1` was imported as well
+  as `altsrc` where Go would complain that the types didn't match
+
+## [1.18.1] - 2016-08-28
+### Fixed
+- Removed deprecation warnings to STDERR to avoid them leaking to the end-user (backported)
+
+## [1.18.0] - 2016-06-27
+### Added
+- `./runtests` test runner with coverage tracking by default
+- testing on OS X
+- testing on Windows
+- `UintFlag`, `Uint64Flag`, and `Int64Flag` types and supporting code
+
+### Changed
+- Use spaces for alignment in help/usage output instead of tabs, making the
+  output alignment consistent regardless of tab width
+
+### Fixed
+- Printing of command aliases in help text
+- Printing of visible flags for both struct and struct pointer flags
+- Display the `help` subcommand when using `CommandCategories`
+- No longer swallows `panic`s that occur within the `Action`s themselves when
+  detecting the signature of the `Action` field
+
+## [1.17.1] - 2016-08-28
+### Fixed
+- Removed deprecation warnings to STDERR to avoid them leaking to the end-user
+
+## [1.17.0] - 2016-05-09
+### Added
+- Pluggable flag-level help text rendering via `cli.DefaultFlagStringFunc`
+- `context.GlobalBoolT` was added as an analogue to `context.GlobalBool`
+- Support for hiding commands by setting `Hidden: true` -- this will hide the
+  commands in help output
+
+### Changed
+- `Float64Flag`, `IntFlag`, and `DurationFlag` default values are no longer
+  quoted in help text output.
+- All flag types now include `(default: {value})` strings following usage when a
+  default value can be (reasonably) detected.
+- `IntSliceFlag` and `StringSliceFlag` usage strings are now more consistent
+  with non-slice flag types
+- Apps now exit with a code of 3 if an unknown subcommand is specified
+  (previously they printed "No help topic for...", but still exited 0. This
+  makes it easier to script around apps built using `cli` since they can trust
+  that a 0 exit code indicated a successful execution.
+- cleanups based on [Go Report Card
+  feedback](https://goreportcard.com/report/github.com/urfave/cli)
+
+## [1.16.1] - 2016-08-28
+### Fixed
+- Removed deprecation warnings to STDERR to avoid them leaking to the end-user
+
+## [1.16.0] - 2016-05-02
+### Added
+- `Hidden` field on all flag struct types to omit from generated help text
+
+### Changed
+- `BashCompletionFlag` (`--enable-bash-completion`) is now omitted from
+generated help text via the `Hidden` field
+
+### Fixed
+- handling of error values in `HandleAction` and `HandleExitCoder`
+
+## [1.15.0] - 2016-04-30
+### Added
+- This file!
+- Support for placeholders in flag usage strings
+- `App.Metadata` map for arbitrary data/state management
+- `Set` and `GlobalSet` methods on `*cli.Context` for altering values after
+parsing.
+- Support for nested lookup of dot-delimited keys in structures loaded from
+YAML.
+
+### Changed
+- The `App.Action` and `Command.Action` now prefer a return signature of
+`func(*cli.Context) error`, as defined by `cli.ActionFunc`.  If a non-nil
+`error` is returned, there may be two outcomes:
+    - If the error fulfills `cli.ExitCoder`, then `os.Exit` will be called
+    automatically
+    - Else the error is bubbled up and returned from `App.Run`
+- Specifying an `Action` with the legacy return signature of
+`func(*cli.Context)` will produce a deprecation message to stderr
+- Specifying an `Action` that is not a `func` type will produce a non-zero exit
+from `App.Run`
+- Specifying an `Action` func that has an invalid (input) signature will
+produce a non-zero exit from `App.Run`
+
+### Deprecated
+- <a name="deprecated-cli-app-runandexitonerror"></a>
+`cli.App.RunAndExitOnError`, which should now be done by returning an error
+that fulfills `cli.ExitCoder` to `cli.App.Run`.
+- <a name="deprecated-cli-app-action-signature"></a> the legacy signature for
+`cli.App.Action` of `func(*cli.Context)`, which should now have a return
+signature of `func(*cli.Context) error`, as defined by `cli.ActionFunc`.
+
+### Fixed
+- Added missing `*cli.Context.GlobalFloat64` method
+
+## [1.14.0] - 2016-04-03 (backfilled 2016-04-25)
+### Added
+- Codebeat badge
+- Support for categorization via `CategorizedHelp` and `Categories` on app.
+
+### Changed
+- Use `filepath.Base` instead of `path.Base` in `Name` and `HelpName`.
+
+### Fixed
+- Ensure version is not shown in help text when `HideVersion` set.
+
+## [1.13.0] - 2016-03-06 (backfilled 2016-04-25)
+### Added
+- YAML file input support.
+- `NArg` method on context.
+
+## [1.12.0] - 2016-02-17 (backfilled 2016-04-25)
+### Added
+- Custom usage error handling.
+- Custom text support in `USAGE` section of help output.
+- Improved help messages for empty strings.
+- AppVeyor CI configuration.
+
+### Changed
+- Removed `panic` from default help printer func.
+- De-duping and optimizations.
+
+### Fixed
+- Correctly handle `Before`/`After` at command level when no subcommands.
+- Case of literal `-` argument causing flag reordering.
+- Environment variable hints on Windows.
+- Docs updates.
+
+## [1.11.1] - 2015-12-21 (backfilled 2016-04-25)
+### Changed
+- Use `path.Base` in `Name` and `HelpName`
+- Export `GetName` on flag types.
+
+### Fixed
+- Flag parsing when skipping is enabled.
+- Test output cleanup.
+- Move completion check to account for empty input case.
+
+## [1.11.0] - 2015-11-15 (backfilled 2016-04-25)
+### Added
+- Destination scan support for flags.
+- Testing against `tip` in Travis CI config.
+
+### Changed
+- Go version in Travis CI config.
+
+### Fixed
+- Removed redundant tests.
+- Use correct example naming in tests.
+
+## [1.10.2] - 2015-10-29 (backfilled 2016-04-25)
+### Fixed
+- Remove unused var in bash completion.
+
+## [1.10.1] - 2015-10-21 (backfilled 2016-04-25)
+### Added
+- Coverage and reference logos in README.
+
+### Fixed
+- Use specified values in help and version parsing.
+- Only display app version and help message once.
+
+## [1.10.0] - 2015-10-06 (backfilled 2016-04-25)
+### Added
+- More tests for existing functionality.
+- `ArgsUsage` at app and command level for help text flexibility.
+
+### Fixed
+- Honor `HideHelp` and `HideVersion` in `App.Run`.
+- Remove juvenile word from README.
+
+## [1.9.0] - 2015-09-08 (backfilled 2016-04-25)
+### Added
+- `FullName` on command with accompanying help output update.
+- Set default `$PROG` in bash completion.
+
+### Changed
+- Docs formatting.
+
+### Fixed
+- Removed self-referential imports in tests.
+
+## [1.8.0] - 2015-06-30 (backfilled 2016-04-25)
+### Added
+- Support for `Copyright` at app level.
+- `Parent` func at context level to walk up context lineage.
+
+### Fixed
+- Global flag processing at top level.
+
+## [1.7.1] - 2015-06-11 (backfilled 2016-04-25)
+### Added
+- Aggregate errors from `Before`/`After` funcs.
+- Doc comments on flag structs.
+- Include non-global flags when checking version and help.
+- Travis CI config updates.
+
+### Fixed
+- Ensure slice type flags have non-nil values.
+- Collect global flags from the full command hierarchy.
+- Docs prose.
+
+## [1.7.0] - 2015-05-03 (backfilled 2016-04-25)
+### Changed
+- `HelpPrinter` signature includes output writer.
+
+### Fixed
+- Specify go 1.1+ in docs.
+- Set `Writer` when running command as app.
+
+## [1.6.0] - 2015-03-23 (backfilled 2016-04-25)
+### Added
+- Multiple author support.
+- `NumFlags` at context level.
+- `Aliases` at command level.
+
+### Deprecated
+- `ShortName` at command level.
+
+### Fixed
+- Subcommand help output.
+- Backward compatible support for deprecated `Author` and `Email` fields.
+- Docs regarding `Names`/`Aliases`.
+
+## [1.5.0] - 2015-02-20 (backfilled 2016-04-25)
+### Added
+- `After` hook func support at app and command level.
+
+### Fixed
+- Use parsed context when running command as subcommand.
+- Docs prose.
+
+## [1.4.1] - 2015-01-09 (backfilled 2016-04-25)
+### Added
+- Support for hiding `-h / --help` flags, but not `help` subcommand.
+- Stop flag parsing after `--`.
+
+### Fixed
+- Help text for generic flags to specify single value.
+- Use double quotes in output for defaults.
+- Use `ParseInt` instead of `ParseUint` for int environment var values.
+- Use `0` as base when parsing int environment var values.
+
+## [1.4.0] - 2014-12-12 (backfilled 2016-04-25)
+### Added
+- Support for environment variable lookup "cascade".
+- Support for `Stdout` on app for output redirection.
+
+### Fixed
+- Print command help instead of app help in `ShowCommandHelp`.
+
+## [1.3.1] - 2014-11-13 (backfilled 2016-04-25)
+### Added
+- Docs and example code updates.
+
+### Changed
+- Default `-v / --version` flag made optional.
+
+## [1.3.0] - 2014-08-10 (backfilled 2016-04-25)
+### Added
+- `FlagNames` at context level.
+- Exposed `VersionPrinter` var for more control over version output.
+- Zsh completion hook.
+- `AUTHOR` section in default app help template.
+- Contribution guidelines.
+- `DurationFlag` type.
+
+## [1.2.0] - 2014-08-02
+### Added
+- Support for environment variable defaults on flags plus tests.
+
+## [1.1.0] - 2014-07-15
+### Added
+- Bash completion.
+- Optional hiding of built-in help command.
+- Optional skipping of flag parsing at command level.
+- `Author`, `Email`, and `Compiled` metadata on app.
+- `Before` hook func support at app and command level.
+- `CommandNotFound` func support at app level.
+- Command reference available on context.
+- `GenericFlag` type.
+- `Float64Flag` type.
+- `BoolTFlag` type.
+- `IsSet` flag helper on context.
+- More flag lookup funcs at context level.
+- More tests &amp; docs.
+
+### Changed
+- Help template updates to account for presence/absence of flags.
+- Separated subcommand help template.
+- Exposed `HelpPrinter` var for more control over help output.
+
+## [1.0.0] - 2013-11-01
+### Added
+- `help` flag in default app flag set and each command flag set.
+- Custom handling of argument parsing errors.
+- Command lookup by name at app level.
+- `StringSliceFlag` type and supporting `StringSlice` type.
+- `IntSliceFlag` type and supporting `IntSlice` type.
+- Slice type flag lookups by name at context level.
+- Export of app and command help functions.
+- More tests &amp; docs.
+
+## 0.1.0 - 2013-07-22
+### Added
+- Initial implementation.
+
+[Unreleased]: https://github.com/urfave/cli/compare/v1.18.0...HEAD
+[1.18.0]: https://github.com/urfave/cli/compare/v1.17.0...v1.18.0
+[1.17.0]: https://github.com/urfave/cli/compare/v1.16.0...v1.17.0
+[1.16.0]: https://github.com/urfave/cli/compare/v1.15.0...v1.16.0
+[1.15.0]: https://github.com/urfave/cli/compare/v1.14.0...v1.15.0
+[1.14.0]: https://github.com/urfave/cli/compare/v1.13.0...v1.14.0
+[1.13.0]: https://github.com/urfave/cli/compare/v1.12.0...v1.13.0
+[1.12.0]: https://github.com/urfave/cli/compare/v1.11.1...v1.12.0
+[1.11.1]: https://github.com/urfave/cli/compare/v1.11.0...v1.11.1
+[1.11.0]: https://github.com/urfave/cli/compare/v1.10.2...v1.11.0
+[1.10.2]: https://github.com/urfave/cli/compare/v1.10.1...v1.10.2
+[1.10.1]: https://github.com/urfave/cli/compare/v1.10.0...v1.10.1
+[1.10.0]: https://github.com/urfave/cli/compare/v1.9.0...v1.10.0
+[1.9.0]: https://github.com/urfave/cli/compare/v1.8.0...v1.9.0
+[1.8.0]: https://github.com/urfave/cli/compare/v1.7.1...v1.8.0
+[1.7.1]: https://github.com/urfave/cli/compare/v1.7.0...v1.7.1
+[1.7.0]: https://github.com/urfave/cli/compare/v1.6.0...v1.7.0
+[1.6.0]: https://github.com/urfave/cli/compare/v1.5.0...v1.6.0
+[1.5.0]: https://github.com/urfave/cli/compare/v1.4.1...v1.5.0
+[1.4.1]: https://github.com/urfave/cli/compare/v1.4.0...v1.4.1
+[1.4.0]: https://github.com/urfave/cli/compare/v1.3.1...v1.4.0
+[1.3.1]: https://github.com/urfave/cli/compare/v1.3.0...v1.3.1
+[1.3.0]: https://github.com/urfave/cli/compare/v1.2.0...v1.3.0
+[1.2.0]: https://github.com/urfave/cli/compare/v1.1.0...v1.2.0
+[1.1.0]: https://github.com/urfave/cli/compare/v1.0.0...v1.1.0
+[1.0.0]: https://github.com/urfave/cli/compare/v0.1.0...v1.0.0

vendor/github.com/urfave/cli/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2016 Jeremy Saenz & Contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/urfave/cli/app.go

@@ -0,0 +1,497 @@
+package cli
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"sort"
+	"time"
+)
+
+var (
+	changeLogURL                    = "https://github.com/urfave/cli/blob/master/CHANGELOG.md"
+	appActionDeprecationURL         = fmt.Sprintf("%s#deprecated-cli-app-action-signature", changeLogURL)
+	runAndExitOnErrorDeprecationURL = fmt.Sprintf("%s#deprecated-cli-app-runandexitonerror", changeLogURL)
+
+	contactSysadmin = "This is an error in the application.  Please contact the distributor of this application if this is not you."
+
+	errInvalidActionType = NewExitError("ERROR invalid Action type. "+
+		fmt.Sprintf("Must be `func(*Context`)` or `func(*Context) error).  %s", contactSysadmin)+
+		fmt.Sprintf("See %s", appActionDeprecationURL), 2)
+)
+
+// App is the main structure of a cli application. It is recommended that
+// an app be created with the cli.NewApp() function
+type App struct {
+	// The name of the program. Defaults to path.Base(os.Args[0])
+	Name string
+	// Full name of command for help, defaults to Name
+	HelpName string
+	// Description of the program.
+	Usage string
+	// Text to override the USAGE section of help
+	UsageText string
+	// Description of the program argument format.
+	ArgsUsage string
+	// Version of the program
+	Version string
+	// Description of the program
+	Description string
+	// List of commands to execute
+	Commands []Command
+	// List of flags to parse
+	Flags []Flag
+	// Boolean to enable bash completion commands
+	EnableBashCompletion bool
+	// Boolean to hide built-in help command
+	HideHelp bool
+	// Boolean to hide built-in version flag and the VERSION section of help
+	HideVersion bool
+	// Populate on app startup, only gettable through method Categories()
+	categories CommandCategories
+	// An action to execute when the bash-completion flag is set
+	BashComplete BashCompleteFunc
+	// An action to execute before any subcommands are run, but after the context is ready
+	// If a non-nil error is returned, no subcommands are run
+	Before BeforeFunc
+	// An action to execute after any subcommands are run, but after the subcommand has finished
+	// It is run even if Action() panics
+	After AfterFunc
+
+	// The action to execute when no subcommands are specified
+	// Expects a `cli.ActionFunc` but will accept the *deprecated* signature of `func(*cli.Context) {}`
+	// *Note*: support for the deprecated `Action` signature will be removed in a future version
+	Action interface{}
+
+	// Execute this function if the proper command cannot be found
+	CommandNotFound CommandNotFoundFunc
+	// Execute this function if an usage error occurs
+	OnUsageError OnUsageErrorFunc
+	// Compilation date
+	Compiled time.Time
+	// List of all authors who contributed
+	Authors []Author
+	// Copyright of the binary if any
+	Copyright string
+	// Name of Author (Note: Use App.Authors, this is deprecated)
+	Author string
+	// Email of Author (Note: Use App.Authors, this is deprecated)
+	Email string
+	// Writer writer to write output to
+	Writer io.Writer
+	// ErrWriter writes error output
+	ErrWriter io.Writer
+	// Other custom info
+	Metadata map[string]interface{}
+	// Carries a function which returns app specific info.
+	ExtraInfo func() map[string]string
+	// CustomAppHelpTemplate the text template for app help topic.
+	// cli.go uses text/template to render templates. You can
+	// render custom help text by setting this variable.
+	CustomAppHelpTemplate string
+
+	didSetup bool
+}
+
+// Tries to find out when this binary was compiled.
+// Returns the current time if it fails to find it.
+func compileTime() time.Time {
+	info, err := os.Stat(os.Args[0])
+	if err != nil {
+		return time.Now()
+	}
+	return info.ModTime()
+}
+
+// NewApp creates a new cli Application with some reasonable defaults for Name,
+// Usage, Version and Action.
+func NewApp() *App {
+	return &App{
+		Name:         filepath.Base(os.Args[0]),
+		HelpName:     filepath.Base(os.Args[0]),
+		Usage:        "A new cli application",
+		UsageText:    "",
+		Version:      "0.0.0",
+		BashComplete: DefaultAppComplete,
+		Action:       helpCommand.Action,
+		Compiled:     compileTime(),
+		Writer:       os.Stdout,
+	}
+}
+
+// Setup runs initialization code to ensure all data structures are ready for
+// `Run` or inspection prior to `Run`.  It is internally called by `Run`, but
+// will return early if setup has already happened.
+func (a *App) Setup() {
+	if a.didSetup {
+		return
+	}
+
+	a.didSetup = true
+
+	if a.Author != "" || a.Email != "" {
+		a.Authors = append(a.Authors, Author{Name: a.Author, Email: a.Email})
+	}
+
+	newCmds := []Command{}
+	for _, c := range a.Commands {
+		if c.HelpName == "" {
+			c.HelpName = fmt.Sprintf("%s %s", a.HelpName, c.Name)
+		}
+		newCmds = append(newCmds, c)
+	}
+	a.Commands = newCmds
+
+	if a.Command(helpCommand.Name) == nil && !a.HideHelp {
+		a.Commands = append(a.Commands, helpCommand)
+		if (HelpFlag != BoolFlag{}) {
+			a.appendFlag(HelpFlag)
+		}
+	}
+
+	if !a.HideVersion {
+		a.appendFlag(VersionFlag)
+	}
+
+	a.categories = CommandCategories{}
+	for _, command := range a.Commands {
+		a.categories = a.categories.AddCommand(command.Category, command)
+	}
+	sort.Sort(a.categories)
+
+	if a.Metadata == nil {
+		a.Metadata = make(map[string]interface{})
+	}
+
+	if a.Writer == nil {
+		a.Writer = os.Stdout
+	}
+}
+
+// Run is the entry point to the cli app. Parses the arguments slice and routes
+// to the proper flag/args combination
+func (a *App) Run(arguments []string) (err error) {
+	a.Setup()
+
+	// handle the completion flag separately from the flagset since
+	// completion could be attempted after a flag, but before its value was put
+	// on the command line. this causes the flagset to interpret the completion
+	// flag name as the value of the flag before it which is undesirable
+	// note that we can only do this because the shell autocomplete function
+	// always appends the completion flag at the end of the command
+	shellComplete, arguments := checkShellCompleteFlag(a, arguments)
+
+	// parse flags
+	set, err := flagSet(a.Name, a.Flags)
+	if err != nil {
+		return err
+	}
+
+	set.SetOutput(ioutil.Discard)
+	err = set.Parse(arguments[1:])
+	nerr := normalizeFlags(a.Flags, set)
+	context := NewContext(a, set, nil)
+	if nerr != nil {
+		fmt.Fprintln(a.Writer, nerr)
+		ShowAppHelp(context)
+		return nerr
+	}
+	context.shellComplete = shellComplete
+
+	if checkCompletions(context) {
+		return nil
+	}
+
+	if err != nil {
+		if a.OnUsageError != nil {
+			err := a.OnUsageError(context, err, false)
+			HandleExitCoder(err)
+			return err
+		}
+		fmt.Fprintf(a.Writer, "%s %s\n\n", "Incorrect Usage.", err.Error())
+		ShowAppHelp(context)
+		return err
+	}
+
+	if !a.HideHelp && checkHelp(context) {
+		ShowAppHelp(context)
+		return nil
+	}
+
+	if !a.HideVersion && checkVersion(context) {
+		ShowVersion(context)
+		return nil
+	}
+
+	if a.After != nil {
+		defer func() {
+			if afterErr := a.After(context); afterErr != nil {
+				if err != nil {
+					err = NewMultiError(err, afterErr)
+				} else {
+					err = afterErr
+				}
+			}
+		}()
+	}
+
+	if a.Before != nil {
+		beforeErr := a.Before(context)
+		if beforeErr != nil {
+			ShowAppHelp(context)
+			HandleExitCoder(beforeErr)
+			err = beforeErr
+			return err
+		}
+	}
+
+	args := context.Args()
+	if args.Present() {
+		name := args.First()
+		c := a.Command(name)
+		if c != nil {
+			return c.Run(context)
+		}
+	}
+
+	if a.Action == nil {
+		a.Action = helpCommand.Action
+	}
+
+	// Run default Action
+	err = HandleAction(a.Action, context)
+
+	HandleExitCoder(err)
+	return err
+}
+
+// RunAndExitOnError calls .Run() and exits non-zero if an error was returned
+//
+// Deprecated: instead you should return an error that fulfills cli.ExitCoder
+// to cli.App.Run. This will cause the application to exit with the given eror
+// code in the cli.ExitCoder
+func (a *App) RunAndExitOnError() {
+	if err := a.Run(os.Args); err != nil {
+		fmt.Fprintln(a.errWriter(), err)
+		OsExiter(1)
+	}
+}
+
+// RunAsSubcommand invokes the subcommand given the context, parses ctx.Args() to
+// generate command-specific flags
+func (a *App) RunAsSubcommand(ctx *Context) (err error) {
+	// append help to commands
+	if len(a.Commands) > 0 {
+		if a.Command(helpCommand.Name) == nil && !a.HideHelp {
+			a.Commands = append(a.Commands, helpCommand)
+			if (HelpFlag != BoolFlag{}) {
+				a.appendFlag(HelpFlag)
+			}
+		}
+	}
+
+	newCmds := []Command{}
+	for _, c := range a.Commands {
+		if c.HelpName == "" {
+			c.HelpName = fmt.Sprintf("%s %s", a.HelpName, c.Name)
+		}
+		newCmds = append(newCmds, c)
+	}
+	a.Commands = newCmds
+
+	// parse flags
+	set, err := flagSet(a.Name, a.Flags)
+	if err != nil {
+		return err
+	}
+
+	set.SetOutput(ioutil.Discard)
+	err = set.Parse(ctx.Args().Tail())
+	nerr := normalizeFlags(a.Flags, set)
+	context := NewContext(a, set, ctx)
+
+	if nerr != nil {
+		fmt.Fprintln(a.Writer, nerr)
+		fmt.Fprintln(a.Writer)
+		if len(a.Commands) > 0 {
+			ShowSubcommandHelp(context)
+		} else {
+			ShowCommandHelp(ctx, context.Args().First())
+		}
+		return nerr
+	}
+
+	if checkCompletions(context) {
+		return nil
+	}
+
+	if err != nil {
+		if a.OnUsageError != nil {
+			err = a.OnUsageError(context, err, true)
+			HandleExitCoder(err)
+			return err
+		}
+		fmt.Fprintf(a.Writer, "%s %s\n\n", "Incorrect Usage.", err.Error())
+		ShowSubcommandHelp(context)
+		return err
+	}
+
+	if len(a.Commands) > 0 {
+		if checkSubcommandHelp(context) {
+			return nil
+		}
+	} else {
+		if checkCommandHelp(ctx, context.Args().First()) {
+			return nil
+		}
+	}
+
+	if a.After != nil {
+		defer func() {
+			afterErr := a.After(context)
+			if afterErr != nil {
+				HandleExitCoder(err)
+				if err != nil {
+					err = NewMultiError(err, afterErr)
+				} else {
+					err = afterErr
+				}
+			}
+		}()
+	}
+
+	if a.Before != nil {
+		beforeErr := a.Before(context)
+		if beforeErr != nil {
+			HandleExitCoder(beforeErr)
+			err = beforeErr
+			return err
+		}
+	}
+
+	args := context.Args()
+	if args.Present() {
+		name := args.First()
+		c := a.Command(name)
+		if c != nil {
+			return c.Run(context)
+		}
+	}
+
+	// Run default Action
+	err = HandleAction(a.Action, context)
+
+	HandleExitCoder(err)
+	return err
+}
+
+// Command returns the named command on App. Returns nil if the command does not exist
+func (a *App) Command(name string) *Command {
+	for _, c := range a.Commands {
+		if c.HasName(name) {
+			return &c
+		}
+	}
+
+	return nil
+}
+
+// Categories returns a slice containing all the categories with the commands they contain
+func (a *App) Categories() CommandCategories {
+	return a.categories
+}
+
+// VisibleCategories returns a slice of categories and commands that are
+// Hidden=false
+func (a *App) VisibleCategories() []*CommandCategory {
+	ret := []*CommandCategory{}
+	for _, category := range a.categories {
+		if visible := func() *CommandCategory {
+			for _, command := range category.Commands {
+				if !command.Hidden {
+					return category
+				}
+			}
+			return nil
+		}(); visible != nil {
+			ret = append(ret, visible)
+		}
+	}
+	return ret
+}
+
+// VisibleCommands returns a slice of the Commands with Hidden=false
+func (a *App) VisibleCommands() []Command {
+	ret := []Command{}
+	for _, command := range a.Commands {
+		if !command.Hidden {
+			ret = append(ret, command)
+		}
+	}
+	return ret
+}
+
+// VisibleFlags returns a slice of the Flags with Hidden=false
+func (a *App) VisibleFlags() []Flag {
+	return visibleFlags(a.Flags)
+}
+
+func (a *App) hasFlag(flag Flag) bool {
+	for _, f := range a.Flags {
+		if flag == f {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (a *App) errWriter() io.Writer {
+
+	// When the app ErrWriter is nil use the package level one.
+	if a.ErrWriter == nil {
+		return ErrWriter
+	}
+
+	return a.ErrWriter
+}
+
+func (a *App) appendFlag(flag Flag) {
+	if !a.hasFlag(flag) {
+		a.Flags = append(a.Flags, flag)
+	}
+}
+
+// Author represents someone who has contributed to a cli project.
+type Author struct {
+	Name  string // The Authors name
+	Email string // The Authors email
+}
+
+// String makes Author comply to the Stringer interface, to allow an easy print in the templating process
+func (a Author) String() string {
+	e := ""
+	if a.Email != "" {
+		e = " <" + a.Email + ">"
+	}
+
+	return fmt.Sprintf("%v%v", a.Name, e)
+}
+
+// HandleAction attempts to figure out which Action signature was used.  If
+// it's an ActionFunc or a func with the legacy signature for Action, the func
+// is run!
+func HandleAction(action interface{}, context *Context) (err error) {
+	if a, ok := action.(ActionFunc); ok {
+		return a(context)
+	} else if a, ok := action.(func(*Context) error); ok {
+		return a(context)
+	} else if a, ok := action.(func(*Context)); ok { // deprecated function signature
+		a(context)
+		return nil
+	} else {
+		return errInvalidActionType
+	}
+}

vendor/github.com/urfave/cli/appveyor.yml

@@ -0,0 +1,26 @@
+version: "{build}"
+
+os: Windows Server 2016
+
+image: Visual Studio 2017
+
+clone_folder: c:\gopath\src\github.com\urfave\cli
+
+environment:
+  GOPATH: C:\gopath
+  GOVERSION: 1.8.x
+  PYTHON: C:\Python36-x64
+  PYTHON_VERSION: 3.6.x
+  PYTHON_ARCH: 64
+
+install:
+- set PATH=%GOPATH%\bin;C:\go\bin;%PATH%
+- go version
+- go env
+- go get github.com/urfave/gfmrun/...
+- go get -v -t ./...
+
+build_script:
+- python runtests vet
+- python runtests test
+- python runtests gfmrun

vendor/github.com/urfave/cli/category.go

@@ -0,0 +1,44 @@
+package cli
+
+// CommandCategories is a slice of *CommandCategory.
+type CommandCategories []*CommandCategory
+
+// CommandCategory is a category containing commands.
+type CommandCategory struct {
+	Name     string
+	Commands Commands
+}
+
+func (c CommandCategories) Less(i, j int) bool {
+	return c[i].Name < c[j].Name
+}
+
+func (c CommandCategories) Len() int {
+	return len(c)
+}
+
+func (c CommandCategories) Swap(i, j int) {
+	c[i], c[j] = c[j], c[i]
+}
+
+// AddCommand adds a command to a category.
+func (c CommandCategories) AddCommand(category string, command Command) CommandCategories {
+	for _, commandCategory := range c {
+		if commandCategory.Name == category {
+			commandCategory.Commands = append(commandCategory.Commands, command)
+			return c
+		}
+	}
+	return append(c, &CommandCategory{Name: category, Commands: []Command{command}})
+}
+
+// VisibleCommands returns a slice of the Commands with Hidden=false
+func (c *CommandCategory) VisibleCommands() []Command {
+	ret := []Command{}
+	for _, command := range c.Commands {
+		if !command.Hidden {
+			ret = append(ret, command)
+		}
+	}
+	return ret
+}

vendor/github.com/urfave/cli/cli.go

@@ -0,0 +1,22 @@
+// Package cli provides a minimal framework for creating and organizing command line
+// Go applications. cli is designed to be easy to understand and write, the most simple
+// cli application can be written as follows:
+//   func main() {
+//     cli.NewApp().Run(os.Args)
+//   }
+//
+// Of course this application does not do much, so let's make this an actual application:
+//   func main() {
+//     app := cli.NewApp()
+//     app.Name = "greet"
+//     app.Usage = "say a greeting"
+//     app.Action = func(c *cli.Context) error {
+//       println("Greetings")
+//       return nil
+//     }
+//
+//     app.Run(os.Args)
+//   }
+package cli
+
+//go:generate python ./generate-flag-types cli -i flag-types.json -o flag_generated.go