Function askPass

cli/password.go:97–121

askPass presents a given prompt and asks the user for password.

(out io.Writer, prompt string)

// askPass presents a given prompt and asks the user for password.
func askPass(out io.Writer, prompt string) (string, error) {
	fd, err := intFd(os.Stdin)
	if err != nil {
		return "", errors.Wrap(err, "password input error")
	}

	for range 5 {
		fmt.Fprint(out, prompt) //nolint:errcheck

		passBytes, err := term.ReadPassword(fd)
		if err != nil {
			return "", errors.Wrap(err, "password prompt error")
		}

		fmt.Fprintln(out) //nolint:errcheck

		if len(passBytes) == 0 {
			continue
		}

		return string(passBytes), nil
	}

	return "", errors.New("can't get password")
}

var errFdConversionOverflows = errors.New("uintptr file descriptor conversion to int overflows")