Mortdecai
116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
package xdg
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import (
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"os"
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"path/filepath"
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"runtime"
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"strconv"
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)
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// Return a path relative to the user home cache dir
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func CachePath(paths ...string) string {
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res := filepath.Join(paths...)
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if !filepath.IsAbs(res) {
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var cache string
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if runtime.GOOS == "darwin" {
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// preserve backward compat with github.com/kyoh86/xdg
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cache = os.Getenv("XDG_CACHE_HOME")
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}
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if cache == "" {
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var err error
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cache, err = os.UserCacheDir()
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if err != nil {
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cache = ExpandHome("~/.cache")
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}
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}
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res = filepath.Join(cache, res)
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}
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return res
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}
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// Return a path relative to the user home config dir
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func ConfigPath(paths ...string) string {
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res := filepath.Join(paths...)
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if !filepath.IsAbs(res) {
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var config string
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if runtime.GOOS == "darwin" {
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// preserve backward compat with github.com/kyoh86/xdg
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config = os.Getenv("XDG_CONFIG_HOME")
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if config == "" {
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config = ExpandHome("~/Library/Preferences")
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}
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} else {
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var err error
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config, err = os.UserConfigDir()
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if err != nil {
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config = ExpandHome("~/.config")
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}
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}
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res = filepath.Join(config, res)
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}
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return res
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}
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// Return a path relative to the user data home dir
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func DataPath(paths ...string) string {
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res := filepath.Join(paths...)
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if !filepath.IsAbs(res) {
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data := os.Getenv("XDG_DATA_HOME")
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// preserve backward compat with github.com/kyoh86/xdg
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if data == "" && runtime.GOOS == "darwin" {
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data = ExpandHome("~/Library/Application Support")
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} else if data == "" {
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data = ExpandHome("~/.local/share")
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}
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res = filepath.Join(data, res)
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}
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return res
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}
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// Return a path relative to the user state home dir
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func StatePath(paths ...string) string {
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res := filepath.Join(paths...)
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if !filepath.IsAbs(res) {
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data := os.Getenv("XDG_STATE_HOME")
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if data == "" {
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data = ExpandHome("~/.local/state")
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}
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res = filepath.Join(data, res)
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}
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return res
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}
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// ugly: there's no other way to allow mocking a function in go...
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var userRuntimePath = func() string {
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uid := strconv.Itoa(os.Getuid())
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path := filepath.Join("/run/user", uid)
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fi, err := os.Stat(path)
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if err != nil || !fi.Mode().IsDir() {
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// OpenRC does not create /run/user. TMUX and Neovim
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// create /tmp/$program-$uid instead. Mimic that.
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path = filepath.Join(os.TempDir(), "aerc-"+uid)
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err = os.MkdirAll(path, 0o700)
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if err != nil {
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// Fallback to /tmp if all else fails.
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path = os.TempDir()
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}
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}
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return path
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}
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// Return a path relative to the user runtime dir
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func RuntimePath(paths ...string) string {
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res := filepath.Join(paths...)
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if !filepath.IsAbs(res) {
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run := os.Getenv("XDG_RUNTIME_DIR")
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// preserve backward compat with github.com/kyoh86/xdg
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if run == "" && runtime.GOOS == "darwin" {
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run = ExpandHome("~/Library/Application Support")
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} else if run == "" {
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run = userRuntimePath()
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}
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res = filepath.Join(run, res)
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}
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return res
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}
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