code: func PwStoreDir(mount string) string {
  	if mount != "" {
  		return fsutil.CleanPath(filepath.Join(Homedir(), ".password-store-"+strings.Replace(mount, string(filepath.Separator), "-", -1)))
  	}
  	if d := os.Getenv("PASSWORD_STORE_DIR"); d != "" {
  		return fsutil.CleanPath(d)
  	}
  	return filepath.Join(Homedir(), ".password-store")
  }
docs: // PwStoreDir reads the password store dir from the environment
  // or returns the default location ~/.password-store if the env is
  // not set