188 lines
6.7 KiB
Markdown
188 lines
6.7 KiB
Markdown
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xdg
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===
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[](https://travis-ci.org/adrg/xdg)
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[](https://godoc.org/github.com/adrg/xdg)
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[](https://opensource.org/licenses/MIT)
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[](https://goreportcard.com/report/github.com/adrg/xdg)
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Provides an implementation of the [XDG Base Directory Specification](https://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html).
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The specification defines a set of standard paths for storing application files,
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including data and configuration files. For portability and flexibility reasons,
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applications should use the XDG defined locations instead of hardcoding paths.
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The package also includes the locations of well known user directories.
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The current implementation supports Windows, Mac OS and most flavors of Unix.
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Full documentation can be found at: https://godoc.org/github.com/adrg/xdg
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## Installation
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go get github.com/adrg/xdg
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## Default locations
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The package defines sensible defaults for XDG variables which are empty or not
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present in the environment.
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#### XDG Base Directory
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| | Unix | Mac OS | Windows |
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| :--- | :--- | :----- | :--- |
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| XDG_DATA_HOME | `~/.local/share` | `~/Library/Application Support` | `%LOCALAPPDATA%` |
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| XDG_DATA_DIRS | `/usr/local/share`<br/>`/usr/share` | `/Library/Application Support` | `%APPDATA%\Roaming`<br/>`%PROGRAMDATA%` |
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| XDG_CONFIG_HOME | `~/.config` | `~/Library/Preferences` | `%LOCALAPPDATA%` |
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| XDG_CONFIG_DIRS | `/etc/xdg` | `/Library/Preferences` | `%PROGRAMDATA%` |
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| XDG_CACHE_HOME | `~/.cache` | `~/Library/Caches` | `%LOCALAPPDATA%\cache` |
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| XDG_RUNTIME_DIR | `/run/user/UID` | `~/Library/Application Support` | `%LOCALAPPDATA%` |
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#### XDG user directories
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| | Unix | Mac OS | Windows |
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| :--- | :--- | :----- | :--- |
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| XDG_DESKTOP_DIR | `~/Desktop` | `~/Desktop` | `%USERPROFILE%/Desktop` |
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| XDG_DOWNLOAD_DIR | `~/Downloads` | `~/Downloads` | `%USERPROFILE%/Downloads` |
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| XDG_DOCUMENTS_DIR | `~/Documents` | `~/Documents` | `%USERPROFILE%/Documents` |
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| XDG_MUSIC_DIR | `~/Music` | `~/Music` | `%USERPROFILE%/Music` |
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| XDG_PICTURES_DIR | `~/Pictures` | `~/Pictures` | `%USERPROFILE%/Pictures` |
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| XDG_VIDEOS_DIR | `~/Videos` | `~/Movies` | `%USERPROFILE%/Videos` |
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| XDG_TEMPLATES_DIR | `~/Templates` | `~/Templates` | `%USERPROFILE%/Templates` |
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| XDG_PUBLICSHARE_DIR | `~/Public` | `~/Public` | `%PUBLIC%` |
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#### Non-standard directories
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Application directories
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```
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Unix:
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- $XDG_DATA_HOME/applications
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- ~/.local/share/applications
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- /usr/local/share/applications
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- /usr/share/applications
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- $XDG_DATA_DIRS/applications
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Mac OS:
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- /Applications
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Windows:
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- %APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs
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```
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Font Directories
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```
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Unix:
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- $XDG_DATA_HOME/fonts
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- ~/.fonts
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- ~/.local/share/fonts
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- /usr/local/share/fonts
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- /usr/share/fonts
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- $XDG_DATA_DIRS/fonts
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Mac OS:
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- ~/Library/Fonts
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- /Library/Fonts
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- /System/Library/Fonts
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- /Network/Library/Fonts
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Windows:
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- %windir%\Fonts
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- %LOCALAPPDATA%\Microsoft\Windows\Fonts
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```
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## Usage
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#### XDG Base Directory
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```go
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package main
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import (
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"log"
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"github.com/adrg/xdg"
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)
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func main() {
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// XDG Base Directory paths.
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log.Println("Home config directory:", xdg.DataHome)
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log.Println("Data directories:", xdg.DataDirs)
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log.Println("Home config directory:", xdg.ConfigHome)
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log.Println("Config directories:", xdg.ConfigDirs)
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log.Println("Cache directory:", xdg.CacheHome)
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log.Println("Runtime directory:", xdg.RuntimeDir)
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// Non-standard directories.
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log.Println("Application directories:", xdg.ApplicationDirs)
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log.Println("Font directories:", xdg.FontDirs)
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// Obtain a suitable location for application config files.
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// ConfigFile takes one parameter which must contain the name of the file,
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// but it can also contain a set of parent directories. If the directories
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// don't exists, they will be created relative to the base config directory.
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configFilePath, err := xdg.ConfigFile("appname/config.yaml")
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if err != nil {
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log.Fatal(err)
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}
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log.Println("Save the config file at:", configFilePath)
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// For other types of application files use:
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// xdg.DataFile()
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// xdg.CacheFile()
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// xdg.RuntimeFile()
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// Finding application config files.
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// SearchConfigFile takes one parameter which must contain the name of
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// the file, but it can also contain a set of parent directories relative
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// to the config search paths (xdg.ConfigHome and xdg.ConfigDirs).
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configFilePath, err = xdg.SearchConfigFile("appname/config.yaml")
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if err != nil {
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log.Fatal(err)
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}
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log.Println("Config file was found at:", configFilePath)
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// For other types of application files use:
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// xdg.SearchDataFile()
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// xdg.SearchCacheFile()
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// xdg.SearchRuntimeFile()
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}
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```
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#### XDG user directories
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```go
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package main
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import (
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"log"
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"github.com/adrg/xdg"
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)
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func main() {
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// XDG user directories.
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log.Println("Desktop directory:", xdg.UserDirs.Desktop)
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log.Println("Download directory:", xdg.UserDirs.Download)
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log.Println("Documents directory:", xdg.UserDirs.Documents)
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log.Println("Music directory:", xdg.UserDirs.Music)
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log.Println("Pictures directory:", xdg.UserDirs.Pictures)
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log.Println("Videos directory:", xdg.UserDirs.Videos)
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log.Println("Templates directory:", xdg.UserDirs.Templates)
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log.Println("Public directory:", xdg.UserDirs.PublicShare)
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}
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```
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## References
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For more information see the
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[XDG Base Directory Specification](https://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html) and
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[XDG user directories](https://wiki.archlinux.org/index.php/XDG_user_directories).
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## Contributing
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Contributions in the form of pull requests, issues or just general feedback,
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are always welcome.
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See [CONTRIBUTING.MD](https://github.com/adrg/xdg/blob/master/CONTRIBUTING.md).
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## License
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Copyright (c) 2014 Adrian-George Bostan.
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This project is licensed under the [MIT license](https://opensource.org/licenses/MIT).
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See [LICENSE](https://github.com/adrg/xdg/blob/master/LICENSE) for more details.
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