Merge pull request #673 from chrisallenlane/win-compat

fix: Windows compatibility

CONTRIBUTING.md

@@ -35,6 +35,9 @@ Are you unable to do the above, but still want to contribute? You can help
 `cheat` simply by telling others about it. Share it with friends and coworkers
 that might benefit from using it.
 
+#### Pull Requests ####
+Please open all pull-requests against the `develop` branch.
+
 
 [cheat]: https://github.com/cheat/cheat
 [cheatsheets]: https://github.com/cheat/cheatsheets

Makefile

@@ -86,7 +86,7 @@ $(dist_dir)/cheat-linux-arm64: prepare
 # cheat-windows-amd64
 $(dist_dir)/cheat-windows-amd64.exe: prepare
 	GOARCH=amd64 GOOS=windows \
-	$(GO) build $(BUILD_FLAGS) -o $@ $(cmd_dir) && $(ZIP) $@.zip $@
+	$(GO) build $(BUILD_FLAGS) -o $@ $(cmd_dir) && $(ZIP) $@.zip $@ -j
 
 # ./dist
 $(dist_dir):
@@ -180,6 +180,11 @@ prepare: | $(dist_dir) clean generate vendor fmt lint vet test
 docker-setup:
 	$(DOCKER) build  -t $(docker_image) -f Dockerfile .
 
+## docker-run: shell into the development docker container
+.PHONY: docker-run
+docker-run:
+	$(DOCKER) run -v `pwd`:/app -ti $(docker_image) sh
+
 ## docker-sh: shell into the docker development container
 .PHONY: docker-sh
 docker-sh:

build/embed.go

@@ -1,3 +1,4 @@
+//go:build ignore
 // +build ignore
 
 // This script embeds `docopt.txt and `conf.yml` into the binary during at
@@ -5,13 +6,11 @@
 
 package main
 
-
 import (
 	"fmt"
 	"io/ioutil"
 	"log"
 	"os"
-	"path"
 	"path/filepath"
 )
 
@@ -52,10 +51,10 @@ func main() {
 	for _, file := range files {
 
 		// delete the outfile
-		os.Remove(path.Join(root, file.Out))
+		os.Remove(filepath.Join(root, file.Out))
 
 		// read the static template
-		bytes, err := ioutil.ReadFile(path.Join(root, file.In))
+		bytes, err := ioutil.ReadFile(filepath.Join(root, file.In))
 		if err != nil {
 			log.Fatal(err)
 		}
@@ -64,7 +63,7 @@ func main() {
 		data := template(file.Method, string(bytes))
 
 		// write the file to the specified outpath
-		spath := path.Join(root, file.Out)
+		spath := filepath.Join(root, file.Out)
 		err = ioutil.WriteFile(spath, []byte(data), 0644)
 		if err != nil {
 			log.Fatal(err)

cmd/cheat/cmd_edit.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
-	"path"
+	"path/filepath"
 	"strings"
 
 	"github.com/cheat/cheat/internal/cheatpath"
@@ -58,10 +58,10 @@ func cmdEdit(opts map[string]interface{}, conf config.Config) {
 		}
 
 		// compute the new edit path
-		editpath = path.Join(writepath.Path, sheet.Title)
+		editpath = filepath.Join(writepath.Path, sheet.Title)
 
 		// create any necessary subdirectories
-		dirs := path.Dir(editpath)
+		dirs := filepath.Dir(editpath)
 		if dirs != "." {
 			if err := os.MkdirAll(dirs, 0755); err != nil {
 				fmt.Fprintf(os.Stderr, "failed to create directory: %s, %v\n", dirs, err)
@@ -87,10 +87,10 @@ func cmdEdit(opts map[string]interface{}, conf config.Config) {
 		}
 
 		// compute the new edit path
-		editpath = path.Join(writepath.Path, cheatsheet)
+		editpath = filepath.Join(writepath.Path, cheatsheet)
 
 		// create any necessary subdirectories
-		dirs := path.Dir(editpath)
+		dirs := filepath.Dir(editpath)
 		if dirs != "." {
 			if err := os.MkdirAll(dirs, 0755); err != nil {
 				fmt.Fprintf(os.Stderr, "failed to create directory: %s, %v\n", dirs, err)

cmd/cheat/cmd_init.go

@@ -3,7 +3,7 @@ package main
 import (
 	"fmt"
 	"os"
-	"path"
+	"path/filepath"
 	"runtime"
 	"strings"
 
@@ -42,11 +42,11 @@ func cmdInit() {
 	// determine the appropriate paths for config data and (optional) community
 	// cheatsheets based on the user's platform
 	confpath := confpaths[0]
-	confdir := path.Dir(confpath)
+	confdir := filepath.Dir(confpath)
 
 	// create paths for community and personal cheatsheets
-	community := path.Join(confdir, "/cheatsheets/community")
+	community := filepath.Join(confdir, "cheatsheets", "community")
-	personal := path.Join(confdir, "/cheatsheets/personal")
+	personal := filepath.Join(confdir, "cheatsheets", "personal")
 
 	// template the above paths into the default configs
 	configs = strings.Replace(configs, "COMMUNITY_PATH", community, -1)

cmd/cheat/cmd_list.go

@@ -25,7 +25,7 @@ func cmdList(opts map[string]interface{}, conf config.Config) {
 		os.Exit(1)
 	}
 
-	// filter cheatcheats by tag if --tag was provided
+	// filter cheatsheets by tag if --tag was provided
 	if opts["--tag"] != nil {
 		cheatsheets = sheets.Filter(
 			cheatsheets,

cmd/cheat/main.go

@@ -16,7 +16,7 @@ import (
 	"github.com/cheat/cheat/internal/installer"
 )
 
-const version = "4.2.2"
+const version = "4.2.4"
 
 func main() {
 
@@ -45,6 +45,9 @@ func main() {
 	envvars := map[string]string{}
 	for _, e := range os.Environ() {
 		pair := strings.SplitN(e, "=", 2)
+		if runtime.GOOS == "windows" {
+			pair[0] = strings.ToUpper(pair[0])
+		}
 		envvars[pair[0]] = pair[1]
 	}
 

cmd/cheat/str_config.go

@@ -9,22 +9,23 @@ import (
 func configs() string {
 	return strings.TrimSpace(`---
 # The editor to use with 'cheat -e <sheet>'. Defaults to $EDITOR or $VISUAL.
-editor: vim
+# editor: vim
 
 # Should 'cheat' always colorize output?
-colorize: true
+colorize: false
 
 # Which 'chroma' colorscheme should be applied to the output?
 # Options are available here:
 #   https://github.com/alecthomas/chroma/tree/master/styles
-style: monokai
+# style: monokai
 
 # Which 'chroma' "formatter" should be applied?
 # One of: "terminal", "terminal256", "terminal16m"
-formatter: terminal16m
+formatter: terminal
 
 # Through which pager should output be piped? (Unset this key for no pager.)
-pager: less -FRX
+pager: more
+# pager: less -FRX # <- recommended where available
 
 # The paths at which cheatsheets are available. Tags associated with a cheatpath
 # are automatically attached to all cheatsheets residing on that path.

configs/conf.yml

@@ -1,21 +1,22 @@
 ---
 # The editor to use with 'cheat -e <sheet>'. Defaults to $EDITOR or $VISUAL.
-editor: vim
+# editor: vim
 
 # Should 'cheat' always colorize output?
-colorize: true
+colorize: false
 
 # Which 'chroma' colorscheme should be applied to the output?
 # Options are available here:
 #   https://github.com/alecthomas/chroma/tree/master/styles
-style: monokai
+# style: monokai
 
 # Which 'chroma' "formatter" should be applied?
 # One of: "terminal", "terminal256", "terminal16m"
-formatter: terminal16m
+formatter: terminal
 
 # Through which pager should output be piped? (Unset this key for no pager.)
-pager: less -FRX
+pager: more
+# pager: less -FRX # <- recommended where available
 
 # The paths at which cheatsheets are available. Tags associated with a cheatpath
 # are automatically attached to all cheatsheets residing on that path.

go.mod

@@ -7,11 +7,10 @@ require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815
 	github.com/kr/text v0.2.0 // indirect
-	github.com/mattn/go-isatty v0.0.13
+	github.com/mattn/go-isatty v0.0.14
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/sergi/go-diff v1.1.0 // indirect
-	golang.org/x/sys v0.0.0-20210608053332-aa57babbf139 // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0
 	gopkg.in/yaml.v2 v2.4.0

go.sum

@@ -24,8 +24,8 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
-github.com/mattn/go-isatty v0.0.13 h1:qdl+GuBjcsKKDco5BsxPJlId98mSWNKqYA+Co0SC1yA=
+github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
-github.com/mattn/go-isatty v0.0.13/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
 github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
@@ -45,8 +45,8 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200413165638-669c56c373c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210608053332-aa57babbf139 h1:C+AwYEtBp/VQwoLntUmQ/yx3MS9vmZaKNdw5eOpoQe8=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
-golang.org/x/sys v0.0.0-20210608053332-aa57babbf139/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=

internal/config/config.go

@@ -4,7 +4,9 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
+	"os/exec"
 	"path/filepath"
+	"runtime"
 	"strings"
 
 	cp "github.com/cheat/cheat/internal/cheatpath"
@@ -98,8 +100,22 @@ func New(opts map[string]interface{}, confPath string, resolve bool) (Config, er
 			conf.Editor = os.Getenv("VISUAL")
 		} else if os.Getenv("EDITOR") != "" {
 			conf.Editor = os.Getenv("EDITOR")
+		} else if runtime.GOOS == "windows" {
+			conf.Editor = "notepad"
 		} else {
-			return Config{}, fmt.Errorf("no editor set")
+			// try to fall back to `nano`
+			path, err := exec.LookPath("nano")
+			if err != nil {
+				return Config{}, fmt.Errorf("failed to locate nano: %s", err)
+			}
+
+			// use `nano` if we found it
+			if path != "" {
+				conf.Editor = "nano"
+				// otherwise, give up
+			} else {
+				return Config{}, fmt.Errorf("no editor set")
+			}
 		}
 	}
 
@@ -110,12 +126,13 @@ func New(opts map[string]interface{}, confPath string, resolve bool) (Config, er
 
 	// if a chroma formatter was not provided, set a default
 	if conf.Formatter == "" {
-		conf.Formatter = "terminal16m"
+		conf.Formatter = "terminal"
 	}
 
-	// if a pager was not provided, set a default
+	// attempt to fall back to `PAGER` if a pager is not specified in configs
-	if strings.TrimSpace(conf.Pager) == "" {
+	conf.Pager = strings.TrimSpace(conf.Pager)
-		conf.Pager = ""
+	if conf.Pager == "" && os.Getenv("PAGER") != "" {
+		conf.Pager = os.Getenv("PAGER")
 	}
 
 	return conf, nil

internal/config/config_test.go

@@ -39,17 +39,17 @@ func TestConfigSuccessful(t *testing.T) {
 	// assert that the cheatpaths are correct
 	want := []cheatpath.Cheatpath{
 		cheatpath.Cheatpath{
-			Path:     filepath.Join(home, ".dotfiles/cheat/community"),
+			Path:     filepath.Join(home, ".dotfiles", "cheat", "community"),
 			ReadOnly: true,
 			Tags:     []string{"community"},
 		},
 		cheatpath.Cheatpath{
-			Path:     filepath.Join(home, ".dotfiles/cheat/work"),
+			Path:     filepath.Join(home, ".dotfiles", "cheat", "work"),
 			ReadOnly: false,
 			Tags:     []string{"work"},
 		},
 		cheatpath.Cheatpath{
-			Path:     filepath.Join(home, ".dotfiles/cheat/personal"),
+			Path:     filepath.Join(home, ".dotfiles", "cheat", "personal"),
 			ReadOnly: false,
 			Tags:     []string{"personal"},
 		},
@@ -85,8 +85,8 @@ func TestEmptyEditor(t *testing.T) {
 
 	// initialize a config
 	conf, err := New(map[string]interface{}{}, mock.Path("conf/empty.yml"), false)
-	if err == nil {
+	if err != nil {
-		t.Errorf("failed to return an error on empty editor")
+		t.Errorf("failed to initialize test: %v", err)
 	}
 
 	// set editor, and assert that it is respected

internal/config/paths.go

@@ -2,7 +2,7 @@ package config
 
 import (
 	"fmt"
-	"path"
+	"path/filepath"
 
 	"github.com/mitchellh/go-homedir"
 )
@@ -28,25 +28,25 @@ func Paths(
 	}
 
 	switch sys {
-	case "darwin", "linux", "freebsd":
+	case "android", "darwin", "linux", "freebsd":
 		paths := []string{}
 
 		// don't include the `XDG_CONFIG_HOME` path if that envvar is not set
 		if xdgpath, ok := envvars["XDG_CONFIG_HOME"]; ok {
-			paths = append(paths, path.Join(xdgpath, "/cheat/conf.yml"))
+			paths = append(paths, filepath.Join(xdgpath, "cheat", "conf.yml"))
 		}
 
 		paths = append(paths, []string{
-			path.Join(home, ".config/cheat/conf.yml"),
+			filepath.Join(home, ".config", "cheat", "conf.yml"),
-			path.Join(home, ".cheat/conf.yml"),
+			filepath.Join(home, ".cheat", "conf.yml"),
 			"/etc/cheat/conf.yml",
 		}...)
 
 		return paths, nil
 	case "windows":
 		return []string{
-			path.Join(envvars["APPDATA"], "/cheat/conf.yml"),
+			filepath.Join(envvars["APPDATA"], "cheat", "conf.yml"),
-			path.Join(envvars["PROGRAMDATA"], "/cheat/conf.yml"),
+			filepath.Join(envvars["PROGRAMDATA"], "cheat", "conf.yml"),
 		}, nil
 	default:
 		return []string{}, fmt.Errorf("unsupported os: %s", sys)

internal/config/paths_test.go

@@ -21,6 +21,7 @@ func TestValidatePathsNix(t *testing.T) {
 
 	// specify the platforms to test
 	oses := []string{
+		"android",
 		"darwin",
 		"freebsd",
 		"linux",

internal/installer/prompt.go

@@ -23,7 +23,7 @@ func Prompt(prompt string, def bool) (bool, error) {
 	}
 
 	// normalize the answer
-	ans = strings.ToLower(strings.TrimRight(ans, "\n"))
+	ans = strings.ToLower(strings.TrimSpace(ans))
 
 	// return the appropriate response
 	switch ans {

internal/installer/run.go

@@ -3,7 +3,7 @@ package installer
 import (
 	"fmt"
 	"os"
-	"path"
+	"path/filepath"
 	"strings"
 
 	"github.com/cheat/cheat/internal/config"
@@ -14,11 +14,11 @@ func Run(configs string, confpath string) error {
 
 	// determine the appropriate paths for config data and (optional) community
 	// cheatsheets based on the user's platform
-	confdir := path.Dir(confpath)
+	confdir := filepath.Dir(confpath)
 
 	// create paths for community and personal cheatsheets
-	community := path.Join(confdir, "/cheatsheets/community")
+	community := filepath.Join(confdir, "cheatsheets", "community")
-	personal := path.Join(confdir, "/cheatsheets/personal")
+	personal := filepath.Join(confdir, "cheatsheets", "personal")
 
 	// template the above paths into the default configs
 	configs = strings.Replace(configs, "COMMUNITY_PATH", community, -1)
@@ -36,11 +36,13 @@ func Run(configs string, confpath string) error {
 	// clone the community cheatsheets if so instructed
 	if yes {
 		// clone the community cheatsheets
+		fmt.Printf("Cloning community cheatsheets to %s.\n", community)
 		if err := clone(community); err != nil {
 			return fmt.Errorf("failed to clone cheatsheets: %v", err)
 		}
 
 		// also create a directory for personal cheatsheets
+		fmt.Printf("Cloning personal cheatsheets to %s.\n", personal)
 		if err := os.MkdirAll(personal, os.ModePerm); err != nil {
 			return fmt.Errorf("failed to create directory: %v", err)
 		}

internal/sheet/copy.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"path"
+	"path/filepath"
 )
 
 // Copy copies a cheatsheet to a new location
@@ -22,7 +22,7 @@ func (s *Sheet) Copy(dest string) error {
 	defer infile.Close()
 
 	// create any necessary subdirectories
-	dirs := path.Dir(dest)
+	dirs := filepath.Dir(dest)
 	if dirs != "." {
 		if err := os.MkdirAll(dirs, 0755); err != nil {
 			return fmt.Errorf("failed to create directory: %s, %v", dirs, err)

vendor/github.com/mattn/go-isatty/.travis.yml

@@ -1,14 +0,0 @@
-language: go
-sudo: false
-go:
-  - 1.13.x
-  - tip
-
-before_install:
-  - go get -t -v ./...
-
-script:
-  - ./go.test.sh
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)

vendor/github.com/mattn/go-isatty/go.mod

@@ -2,4 +2,4 @@ module github.com/mattn/go-isatty
 
 go 1.12
 
-require golang.org/x/sys v0.0.0-20200116001909-b77594299b42
+require golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c

vendor/github.com/mattn/go-isatty/isatty_bsd.go

@@ -1,3 +1,4 @@
+//go:build (darwin || freebsd || openbsd || netbsd || dragonfly) && !appengine
 // +build darwin freebsd openbsd netbsd dragonfly
 // +build !appengine
 

vendor/github.com/mattn/go-isatty/isatty_others.go

@@ -1,3 +1,4 @@
+//go:build appengine || js || nacl || wasm
 // +build appengine js nacl wasm
 
 package isatty

vendor/github.com/mattn/go-isatty/isatty_plan9.go

@@ -1,3 +1,4 @@
+//go:build plan9
 // +build plan9
 
 package isatty

vendor/github.com/mattn/go-isatty/isatty_solaris.go

@@ -1,5 +1,5 @@
-// +build solaris
+//go:build solaris && !appengine
-// +build !appengine
+// +build solaris,!appengine
 
 package isatty
 

vendor/github.com/mattn/go-isatty/isatty_tcgets.go

@@ -1,3 +1,4 @@
+//go:build (linux || aix || zos) && !appengine
 // +build linux aix zos
 // +build !appengine
 

vendor/github.com/mattn/go-isatty/isatty_windows.go

@@ -1,5 +1,5 @@
-// +build windows
+//go:build windows && !appengine
-// +build !appengine
+// +build windows,!appengine
 
 package isatty
 
@@ -76,7 +76,7 @@ func isCygwinPipeName(name string) bool {
 }
 
 // getFileNameByHandle use the undocomented ntdll NtQueryObject to get file full name from file handler
-// since GetFileInformationByHandleEx is not avilable under windows Vista and still some old fashion
+// since GetFileInformationByHandleEx is not available under windows Vista and still some old fashion
 // guys are using Windows XP, this is a workaround for those guys, it will also work on system from
 // Windows vista to 10
 // see https://stackoverflow.com/a/18792477 for details

vendor/golang.org/x/sys/unix/mkerrors.sh

@@ -563,6 +563,7 @@ ccflags="$@"
 		$2 ~ /^KEYCTL_/ ||
 		$2 ~ /^PERF_/ ||
 		$2 ~ /^SECCOMP_MODE_/ ||
+		$2 ~ /^SEEK_/ ||
 		$2 ~ /^SPLICE_/ ||
 		$2 ~ /^SYNC_FILE_RANGE_/ ||
 		$2 !~ /^AUDIT_RECORD_MAGIC/ &&

vendor/golang.org/x/sys/unix/syscall_darwin.go

@@ -13,6 +13,7 @@
 package unix
 
 import (
+	"fmt"
 	"runtime"
 	"syscall"
 	"unsafe"
@@ -398,6 +399,38 @@ func GetsockoptXucred(fd, level, opt int) (*Xucred, error) {
 	return x, err
 }
 
+func SysctlKinfoProcSlice(name string) ([]KinfoProc, error) {
+	mib, err := sysctlmib(name)
+	if err != nil {
+		return nil, err
+	}
+
+	// Find size.
+	n := uintptr(0)
+	if err := sysctl(mib, nil, &n, nil, 0); err != nil {
+		return nil, err
+	}
+	if n == 0 {
+		return nil, nil
+	}
+	if n%SizeofKinfoProc != 0 {
+		return nil, fmt.Errorf("sysctl() returned a size of %d, which is not a multiple of %d", n, SizeofKinfoProc)
+	}
+
+	// Read into buffer of that size.
+	buf := make([]KinfoProc, n/SizeofKinfoProc)
+	if err := sysctl(mib, (*byte)(unsafe.Pointer(&buf[0])), &n, nil, 0); err != nil {
+		return nil, err
+	}
+	if n%SizeofKinfoProc != 0 {
+		return nil, fmt.Errorf("sysctl() returned a size of %d, which is not a multiple of %d", n, SizeofKinfoProc)
+	}
+
+	// The actual call may return less than the original reported required
+	// size so ensure we deal with that.
+	return buf[:n/SizeofKinfoProc], nil
+}
+
 //sys	sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error)
 
 /*

vendor/golang.org/x/sys/unix/zerrors_darwin_amd64.go

@@ -1262,6 +1262,11 @@ const (
 	SCM_RIGHTS                        = 0x1
 	SCM_TIMESTAMP                     = 0x2
 	SCM_TIMESTAMP_MONOTONIC           = 0x4
+	SEEK_CUR                          = 0x1
+	SEEK_DATA                         = 0x4
+	SEEK_END                          = 0x2
+	SEEK_HOLE                         = 0x3
+	SEEK_SET                          = 0x0
 	SHUT_RD                           = 0x0
 	SHUT_RDWR                         = 0x2
 	SHUT_WR                           = 0x1

vendor/golang.org/x/sys/unix/zerrors_darwin_arm64.go

@@ -1262,6 +1262,11 @@ const (
 	SCM_RIGHTS                        = 0x1
 	SCM_TIMESTAMP                     = 0x2
 	SCM_TIMESTAMP_MONOTONIC           = 0x4
+	SEEK_CUR                          = 0x1
+	SEEK_DATA                         = 0x4
+	SEEK_END                          = 0x2
+	SEEK_HOLE                         = 0x3
+	SEEK_SET                          = 0x0
 	SHUT_RD                           = 0x0
 	SHUT_RDWR                         = 0x2
 	SHUT_WR                           = 0x1

vendor/golang.org/x/sys/unix/zerrors_freebsd_386.go

@@ -1297,6 +1297,11 @@ const (
 	SCM_RIGHTS                     = 0x1
 	SCM_TIMESTAMP                  = 0x2
 	SCM_TIME_INFO                  = 0x7
+	SEEK_CUR                       = 0x1
+	SEEK_DATA                      = 0x3
+	SEEK_END                       = 0x2
+	SEEK_HOLE                      = 0x4
+	SEEK_SET                       = 0x0
 	SHUT_RD                        = 0x0
 	SHUT_RDWR                      = 0x2
 	SHUT_WR                        = 0x1

vendor/golang.org/x/sys/unix/zerrors_freebsd_amd64.go

@@ -1298,6 +1298,11 @@ const (
 	SCM_RIGHTS                     = 0x1
 	SCM_TIMESTAMP                  = 0x2
 	SCM_TIME_INFO                  = 0x7
+	SEEK_CUR                       = 0x1
+	SEEK_DATA                      = 0x3
+	SEEK_END                       = 0x2
+	SEEK_HOLE                      = 0x4
+	SEEK_SET                       = 0x0
 	SHUT_RD                        = 0x0
 	SHUT_RDWR                      = 0x2
 	SHUT_WR                        = 0x1

vendor/golang.org/x/sys/unix/zerrors_freebsd_arm.go

@@ -1276,6 +1276,11 @@ const (
 	SCM_CREDS                      = 0x3
 	SCM_RIGHTS                     = 0x1
 	SCM_TIMESTAMP                  = 0x2
+	SEEK_CUR                       = 0x1
+	SEEK_DATA                      = 0x3
+	SEEK_END                       = 0x2
+	SEEK_HOLE                      = 0x4
+	SEEK_SET                       = 0x0
 	SHUT_RD                        = 0x0
 	SHUT_RDWR                      = 0x2
 	SHUT_WR                        = 0x1

vendor/golang.org/x/sys/unix/zerrors_freebsd_arm64.go

@@ -1298,6 +1298,11 @@ const (
 	SCM_RIGHTS                     = 0x1
 	SCM_TIMESTAMP                  = 0x2
 	SCM_TIME_INFO                  = 0x7
+	SEEK_CUR                       = 0x1
+	SEEK_DATA                      = 0x3
+	SEEK_END                       = 0x2
+	SEEK_HOLE                      = 0x4
+	SEEK_SET                       = 0x0
 	SHUT_RD                        = 0x0
 	SHUT_RDWR                      = 0x2
 	SHUT_WR                        = 0x1

vendor/golang.org/x/sys/unix/zerrors_linux.go

@@ -2284,6 +2284,12 @@ const (
 	SECCOMP_MODE_FILTER                         = 0x2
 	SECCOMP_MODE_STRICT                         = 0x1
 	SECURITYFS_MAGIC                            = 0x73636673
+	SEEK_CUR                                    = 0x1
+	SEEK_DATA                                   = 0x3
+	SEEK_END                                    = 0x2
+	SEEK_HOLE                                   = 0x4
+	SEEK_MAX                                    = 0x4
+	SEEK_SET                                    = 0x0
 	SELINUX_MAGIC                               = 0xf97cff8c
 	SHUT_RD                                     = 0x0
 	SHUT_RDWR                                   = 0x2

vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go

@@ -535,3 +535,107 @@ type CtlInfo struct {
 	Id   uint32
 	Name [96]byte
 }
+
+const SizeofKinfoProc = 0x288
+
+type Eproc struct {
+	Paddr   uintptr
+	Sess    uintptr
+	Pcred   Pcred
+	Ucred   Ucred
+	Vm      Vmspace
+	Ppid    int32
+	Pgid    int32
+	Jobc    int16
+	Tdev    int32
+	Tpgid   int32
+	Tsess   uintptr
+	Wmesg   [8]int8
+	Xsize   int32
+	Xrssize int16
+	Xccount int16
+	Xswrss  int16
+	Flag    int32
+	Login   [12]int8
+	Spare   [4]int32
+	_       [4]byte
+}
+
+type ExternProc struct {
+	P_starttime Timeval
+	P_vmspace   *Vmspace
+	P_sigacts   uintptr
+	P_flag      int32
+	P_stat      int8
+	P_pid       int32
+	P_oppid     int32
+	P_dupfd     int32
+	User_stack  *int8
+	Exit_thread *byte
+	P_debugger  int32
+	Sigwait     int32
+	P_estcpu    uint32
+	P_cpticks   int32
+	P_pctcpu    uint32
+	P_wchan     *byte
+	P_wmesg     *int8
+	P_swtime    uint32
+	P_slptime   uint32
+	P_realtimer Itimerval
+	P_rtime     Timeval
+	P_uticks    uint64
+	P_sticks    uint64
+	P_iticks    uint64
+	P_traceflag int32
+	P_tracep    uintptr
+	P_siglist   int32
+	P_textvp    uintptr
+	P_holdcnt   int32
+	P_sigmask   uint32
+	P_sigignore uint32
+	P_sigcatch  uint32
+	P_priority  uint8
+	P_usrpri    uint8
+	P_nice      int8
+	P_comm      [17]int8
+	P_pgrp      uintptr
+	P_addr      uintptr
+	P_xstat     uint16
+	P_acflag    uint16
+	P_ru        *Rusage
+}
+
+type Itimerval struct {
+	Interval Timeval
+	Value    Timeval
+}
+
+type KinfoProc struct {
+	Proc  ExternProc
+	Eproc Eproc
+}
+
+type Vmspace struct {
+	Dummy  int32
+	Dummy2 *int8
+	Dummy3 [5]int32
+	Dummy4 [3]*int8
+}
+
+type Pcred struct {
+	Pc_lock  [72]int8
+	Pc_ucred uintptr
+	P_ruid   uint32
+	P_svuid  uint32
+	P_rgid   uint32
+	P_svgid  uint32
+	P_refcnt int32
+	_        [4]byte
+}
+
+type Ucred struct {
+	Ref     int32
+	Uid     uint32
+	Ngroups int16
+	Groups  [16]uint32
+}

vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go

@@ -535,3 +535,107 @@ type CtlInfo struct {
 	Id   uint32
 	Name [96]byte
 }
+
+const SizeofKinfoProc = 0x288
+
+type Eproc struct {
+	Paddr   uintptr
+	Sess    uintptr
+	Pcred   Pcred
+	Ucred   Ucred
+	Vm      Vmspace
+	Ppid    int32
+	Pgid    int32
+	Jobc    int16
+	Tdev    int32
+	Tpgid   int32
+	Tsess   uintptr
+	Wmesg   [8]int8
+	Xsize   int32
+	Xrssize int16
+	Xccount int16
+	Xswrss  int16
+	Flag    int32
+	Login   [12]int8
+	Spare   [4]int32
+	_       [4]byte
+}
+
+type ExternProc struct {
+	P_starttime Timeval
+	P_vmspace   *Vmspace
+	P_sigacts   uintptr
+	P_flag      int32
+	P_stat      int8
+	P_pid       int32
+	P_oppid     int32
+	P_dupfd     int32
+	User_stack  *int8
+	Exit_thread *byte
+	P_debugger  int32
+	Sigwait     int32
+	P_estcpu    uint32
+	P_cpticks   int32
+	P_pctcpu    uint32
+	P_wchan     *byte
+	P_wmesg     *int8
+	P_swtime    uint32
+	P_slptime   uint32
+	P_realtimer Itimerval
+	P_rtime     Timeval
+	P_uticks    uint64
+	P_sticks    uint64
+	P_iticks    uint64
+	P_traceflag int32
+	P_tracep    uintptr
+	P_siglist   int32
+	P_textvp    uintptr
+	P_holdcnt   int32
+	P_sigmask   uint32
+	P_sigignore uint32
+	P_sigcatch  uint32
+	P_priority  uint8
+	P_usrpri    uint8
+	P_nice      int8
+	P_comm      [17]int8
+	P_pgrp      uintptr
+	P_addr      uintptr
+	P_xstat     uint16
+	P_acflag    uint16
+	P_ru        *Rusage
+}
+
+type Itimerval struct {
+	Interval Timeval
+	Value    Timeval
+}
+
+type KinfoProc struct {
+	Proc  ExternProc
+	Eproc Eproc
+}
+
+type Vmspace struct {
+	Dummy  int32
+	Dummy2 *int8
+	Dummy3 [5]int32
+	Dummy4 [3]*int8
+}
+
+type Pcred struct {
+	Pc_lock  [72]int8
+	Pc_ucred uintptr
+	P_ruid   uint32
+	P_svuid  uint32
+	P_rgid   uint32
+	P_svgid  uint32
+	P_refcnt int32
+	_        [4]byte
+}
+
+type Ucred struct {
+	Ref     int32
+	Uid     uint32
+	Ngroups int16
+	Groups  [16]uint32
+}

vendor/golang.org/x/sys/unix/ztypes_dragonfly_amd64.go

@@ -431,6 +431,9 @@ type Winsize struct {
 const (
 	AT_FDCWD            = 0xfffafdcd
 	AT_SYMLINK_NOFOLLOW = 0x1
+	AT_REMOVEDIR        = 0x2
+	AT_EACCESS          = 0x4
+	AT_SYMLINK_FOLLOW   = 0x8
 )
 
 type PollFd struct {

vendor/golang.org/x/sys/unix/ztypes_freebsd_386.go

@@ -672,9 +672,10 @@ type Winsize struct {
 
 const (
 	AT_FDCWD            = -0x64
-	AT_REMOVEDIR        = 0x800
+	AT_EACCESS          = 0x100
-	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x200
+	AT_SYMLINK_FOLLOW   = 0x400
+	AT_REMOVEDIR        = 0x800
 )
 
 type PollFd struct {

vendor/golang.org/x/sys/unix/ztypes_freebsd_amd64.go

@@ -675,9 +675,10 @@ type Winsize struct {
 
 const (
 	AT_FDCWD            = -0x64
-	AT_REMOVEDIR        = 0x800
+	AT_EACCESS          = 0x100
-	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x200
+	AT_SYMLINK_FOLLOW   = 0x400
+	AT_REMOVEDIR        = 0x800
 )
 
 type PollFd struct {

vendor/golang.org/x/sys/unix/ztypes_freebsd_arm.go

@@ -656,9 +656,10 @@ type Winsize struct {
 
 const (
 	AT_FDCWD            = -0x64
-	AT_REMOVEDIR        = 0x800
+	AT_EACCESS          = 0x100
-	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x200
+	AT_SYMLINK_FOLLOW   = 0x400
+	AT_REMOVEDIR        = 0x800
 )
 
 type PollFd struct {

vendor/golang.org/x/sys/unix/ztypes_freebsd_arm64.go

@@ -653,9 +653,10 @@ type Winsize struct {
 
 const (
 	AT_FDCWD            = -0x64
-	AT_REMOVEDIR        = 0x800
+	AT_EACCESS          = 0x100
-	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x200
+	AT_SYMLINK_FOLLOW   = 0x400
+	AT_REMOVEDIR        = 0x800
 )
 
 type PollFd struct {

vendor/golang.org/x/sys/unix/ztypes_linux.go

@@ -1773,6 +1773,8 @@ const (
 	NFPROTO_NUMPROTO = 0xd
 )
 
+const SO_ORIGINAL_DST = 0x50
+
 type Nfgenmsg struct {
 	Nfgen_family uint8
 	Version      uint8

vendor/golang.org/x/sys/unix/ztypes_netbsd_386.go

@@ -445,8 +445,10 @@ type Ptmget struct {
 
 const (
 	AT_FDCWD            = -0x64
-	AT_SYMLINK_FOLLOW   = 0x400
+	AT_EACCESS          = 0x100
 	AT_SYMLINK_NOFOLLOW = 0x200
+	AT_SYMLINK_FOLLOW   = 0x400
+	AT_REMOVEDIR        = 0x800
 )
 
 type PollFd struct {

vendor/golang.org/x/sys/unix/ztypes_netbsd_amd64.go

@@ -453,8 +453,10 @@ type Ptmget struct {
 
 const (
 	AT_FDCWD            = -0x64
-	AT_SYMLINK_FOLLOW   = 0x400
+	AT_EACCESS          = 0x100
 	AT_SYMLINK_NOFOLLOW = 0x200
+	AT_SYMLINK_FOLLOW   = 0x400
+	AT_REMOVEDIR        = 0x800
 )
 
 type PollFd struct {

vendor/golang.org/x/sys/unix/ztypes_netbsd_arm.go

@@ -450,8 +450,10 @@ type Ptmget struct {
 
 const (
 	AT_FDCWD            = -0x64
-	AT_SYMLINK_FOLLOW   = 0x400
+	AT_EACCESS          = 0x100
 	AT_SYMLINK_NOFOLLOW = 0x200
+	AT_SYMLINK_FOLLOW   = 0x400
+	AT_REMOVEDIR        = 0x800
 )
 
 type PollFd struct {

vendor/golang.org/x/sys/unix/ztypes_netbsd_arm64.go

@@ -453,8 +453,10 @@ type Ptmget struct {
 
 const (
 	AT_FDCWD            = -0x64
-	AT_SYMLINK_FOLLOW   = 0x400
+	AT_EACCESS          = 0x100
 	AT_SYMLINK_NOFOLLOW = 0x200
+	AT_SYMLINK_FOLLOW   = 0x400
+	AT_REMOVEDIR        = 0x800
 )
 
 type PollFd struct {

vendor/modules.txt

@@ -47,7 +47,7 @@ github.com/dlclark/regexp2/syntax
 github.com/docopt/docopt-go
 # github.com/kr/text v0.2.0
 ## explicit
-# github.com/mattn/go-isatty v0.0.13
+# github.com/mattn/go-isatty v0.0.14
 ## explicit
 github.com/mattn/go-isatty
 # github.com/mitchellh/go-homedir v1.1.0
@@ -57,8 +57,7 @@ github.com/mitchellh/go-homedir
 ## explicit
 # github.com/sergi/go-diff v1.1.0
 ## explicit
-# golang.org/x/sys v0.0.0-20210608053332-aa57babbf139
+# golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c
-## explicit
 golang.org/x/sys/internal/unsafeheader
 golang.org/x/sys/unix
 # gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f