mirror of
https://github.com/cheat/cheat.git
synced 2024-12-18 18:55:06 +01:00
91f0d02de2
* feat: directory-scoped cheatpaths `cheat` now searches for a `.cheat` directory in the current working directory. If found, that directory is (temporarily) appended to the slice of cheatpaths. * makefile wip * fix: appeases linter Appeases linter (`go vet`) by adding quotation marks to YAML struct tags. * chore: modifies .gitignore Adds `tag` to `.gitignore` * feat: adds Makefile Adds a `Makefile` for managing build-related tasks. * chore: documents directory-local paths Adds documentation regarding the new directory-local cheatpath functionality. * chore: updates dependencies * chore: bumps version to 3.3.0 * chore: updates bin scripts - Removes `build_release.sh` - Places deprecation notice in `build_devel.sh`, as its purpose has been superceded by the `Makefile`.
114 lines
2.8 KiB
Go
114 lines
2.8 KiB
Go
package config
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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cp "github.com/cheat/cheat/internal/cheatpath"
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"github.com/mitchellh/go-homedir"
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"gopkg.in/yaml.v2"
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)
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// Config encapsulates configuration parameters
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type Config struct {
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Colorize bool `yaml:"colorize"`
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Editor string `yaml:"editor"`
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Cheatpaths []cp.Cheatpath `yaml:"cheatpaths"`
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Style string `yaml:"style"`
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Formatter string `yaml:"formatter"`
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}
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// New returns a new Config struct
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func New(opts map[string]interface{}, confPath string, resolve bool) (Config, error) {
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// read the config file
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buf, err := ioutil.ReadFile(confPath)
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if err != nil {
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return Config{}, fmt.Errorf("could not read config file: %v", err)
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}
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// initialize a config object
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conf := Config{}
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// unmarshal the yaml
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err = yaml.UnmarshalStrict(buf, &conf)
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if err != nil {
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return Config{}, fmt.Errorf("could not unmarshal yaml: %v", err)
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}
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// if a .cheat directory exists locally, append it to the cheatpaths
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cwd, err := os.Getwd()
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if err != nil {
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return Config{}, fmt.Errorf("failed to get cwd: %v", err)
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}
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local := filepath.Join(cwd, ".cheat")
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if _, err := os.Stat(local); err == nil {
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path := cp.Cheatpath{
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Name: "cwd",
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Path: local,
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ReadOnly: false,
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Tags: []string{},
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}
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conf.Cheatpaths = append(conf.Cheatpaths, path)
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}
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// process cheatpaths
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for i, cheatpath := range conf.Cheatpaths {
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// expand ~ in config paths
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expanded, err := homedir.Expand(cheatpath.Path)
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if err != nil {
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return Config{}, fmt.Errorf("failed to expand ~: %v", err)
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}
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// follow symlinks
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//
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// NB: `resolve` is an ugly kludge that exists for the sake of unit-tests.
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// It's necessary because `EvalSymlinks` will error if the symlink points
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// to a non-existent location on the filesystem. When unit-testing,
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// however, we don't want to have dependencies on the filesystem. As such,
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// `resolve` is a switch that allows us to turn off symlink resolution when
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// running the config tests.
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if resolve {
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expanded, err = filepath.EvalSymlinks(expanded)
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if err != nil {
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return Config{}, fmt.Errorf(
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"failed to resolve symlink: %s, %v",
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expanded,
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err,
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)
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}
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}
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conf.Cheatpaths[i].Path = expanded
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}
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// if an editor was not provided in the configs, look to envvars
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if conf.Editor == "" {
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if os.Getenv("VISUAL") != "" {
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conf.Editor = os.Getenv("VISUAL")
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} else if os.Getenv("EDITOR") != "" {
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conf.Editor = os.Getenv("EDITOR")
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} else {
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return Config{}, fmt.Errorf("no editor set")
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}
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}
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// if a chroma style was not provided, set a default
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if conf.Style == "" {
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conf.Style = "bw"
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}
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// if a chroma formatter was not provided, set a default
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if conf.Formatter == "" {
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conf.Formatter = "terminal16m"
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}
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return conf, nil
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}
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