goutils/config/path_linux.go

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package config
import (
"os"
"path/filepath"
)
// canUseXDGConfigDir checks whether the XDG config directory exists
// and is accessible by the current user. If it is present, it will
// be returned. Note that if the directory does not exist, it is
// presumed unusable.
func canUseXDGConfigDir() (string, bool) {
xdgDir := os.Getenv("XDG_CONFIG_DIR")
if xdgDir == "" {
userDir := os.Getenv("HOME")
if userDir == "" {
return "", false
}
xdgDir = filepath.Join(userDir, ".config")
}
fi, err := os.Stat(xdgDir)
if err != nil {
return "", false
}
if !fi.IsDir() {
return "", false
}
return xdgDir, true
}
// DefaultConfigPath returns a sensible default configuration file path.
func DefaultConfigPath(dir, base string) string {
dirPath, ok := canUseXDGConfigDir()
if !ok {
dirPath = "/etc"
}
return filepath.Join(dirPath, dir, base)
}