99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
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package scw
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import (
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"errors"
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"os"
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"path/filepath"
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)
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const (
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// XDG wiki: https://wiki.archlinux.org/index.php/XDG_Base_Directory
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xdgConfigDirEnv = "XDG_CONFIG_HOME"
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xdgCacheDirEnv = "XDG_CACHE_HOME"
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unixHomeDirEnv = "HOME"
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windowsHomeDirEnv = "USERPROFILE"
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defaultConfigFileName = "config.yaml"
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)
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var (
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// ErrNoHomeDir errors when no user directory is found
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ErrNoHomeDir = errors.New("user home directory not found")
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)
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// GetCacheDirectory returns the default cache directory.
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// Cache directory is based on the following priority order:
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// - $SCW_CACHE_DIR
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// - $XDG_CACHE_HOME/scw
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// - $HOME/.cache/scw
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// - $USERPROFILE/.cache/scw
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func GetCacheDirectory() string {
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cacheDir := ""
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switch {
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case os.Getenv(ScwCacheDirEnv) != "":
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cacheDir = os.Getenv(ScwCacheDirEnv)
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case os.Getenv(xdgCacheDirEnv) != "":
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cacheDir = filepath.Join(os.Getenv(xdgCacheDirEnv), "scw")
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case os.Getenv(unixHomeDirEnv) != "":
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cacheDir = filepath.Join(os.Getenv(unixHomeDirEnv), ".cache", "scw")
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case os.Getenv(windowsHomeDirEnv) != "":
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cacheDir = filepath.Join(os.Getenv(windowsHomeDirEnv), ".cache", "scw")
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default:
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// TODO: fallback on local folder?
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}
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// Clean the cache directory path when exiting the function
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return filepath.Clean(cacheDir)
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}
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// GetConfigPath returns the default path.
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// Default path is based on the following priority order:
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// - $SCW_CONFIG_PATH
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// - $XDG_CONFIG_HOME/scw/config.yaml
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// - $HOME/.config/scw/config.yaml
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// - $USERPROFILE/.config/scw/config.yaml
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func GetConfigPath() string {
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configPath := os.Getenv(ScwConfigPathEnv)
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if configPath == "" {
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configPath, _ = getConfigV2FilePath()
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}
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return filepath.Clean(configPath)
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}
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// getConfigV2FilePath returns the path to the v2 config file
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func getConfigV2FilePath() (string, bool) {
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configDir, err := GetScwConfigDir()
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if err != nil {
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return "", false
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}
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return filepath.Clean(filepath.Join(configDir, defaultConfigFileName)), true
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}
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// getConfigV1FilePath returns the path to the v1 config file
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func getConfigV1FilePath() (string, bool) {
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path, err := os.UserHomeDir()
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if err != nil {
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return "", false
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}
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return filepath.Clean(filepath.Join(path, ".scwrc")), true
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}
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// GetScwConfigDir returns the path to scw config folder
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func GetScwConfigDir() (string, error) {
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if xdgPath := os.Getenv(xdgConfigDirEnv); xdgPath != "" {
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return filepath.Join(xdgPath, "scw"), nil
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}
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homeDir, err := os.UserHomeDir()
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if err != nil {
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return "", err
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}
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return filepath.Join(homeDir, ".config", "scw"), nil
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}
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func fileExist(name string) bool {
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_, err := os.Stat(name)
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return err == nil
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}
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