Function TryMkdirs

pkg/wavebase/wavebase.go:270–286

(dirName string, perm os.FileMode, dirDesc string)

}

func TryMkdirs(dirName string, perm os.FileMode, dirDesc string) error {
	info, err := os.Stat(dirName)
	if errors.Is(err, fs.ErrNotExist) {
		err = os.MkdirAll(dirName, perm)
		if err != nil {
			return fmt.Errorf("cannot make %s %q: %w", dirDesc, dirName, err)
		}
		info, err = os.Stat(dirName)
	}
	if err != nil {
		return fmt.Errorf("error trying to stat %s: %w", dirDesc, err)
	}
	if !info.IsDir() {
		return fmt.Errorf("%s %q must be a directory", dirDesc, dirName)
	}
	return nil
}

func listValidLangs(ctx context.Context) []string {
	out, err := exec.CommandContext(ctx, "locale", "-a").CombinedOutput()