Function readKey

cli/command/swarm/unlock.go:69–81

(in *streams.In, prompt string)

}

func readKey(in *streams.In, prompt string) (string, error) {
	if in.IsTerminal() {
		fmt.Print(prompt)
		dt, err := term.ReadPassword(int(in.FD()))
		fmt.Println()
		return string(dt), err
	}
	key, err := bufio.NewReader(in).ReadString('\n')
	if err == io.EOF {
		err = nil
	}
	return strings.TrimSpace(key), err
}