Function verifyLoginOptions

cli/command/registry/login.go:124–148

(dockerCLI command.Streams, opts *loginOptions)

}

func verifyLoginOptions(dockerCLI command.Streams, opts *loginOptions) error {
	if opts.password == "-" {
		opts.password = ""
		opts.passwordStdin = true
	}

	if opts.password != "" {
		_, _ = fmt.Fprintln(dockerCLI.Err(), "WARNING! Using --password via the CLI is insecure. Use --password-stdin.")
	}

	if opts.passwordStdin {
		if opts.user == "" {
			return errors.New("username is empty")
		}
		p, err := readSecretFromStdin(dockerCLI.In())
		if err != nil {
			return err
		}
		if strings.TrimSpace(p) == "" {
			return errors.New("password is empty")
		}
		opts.password = p
	}
	return nil
}

func runLogin(ctx context.Context, dockerCLI command.Cli, opts loginOptions) error {
	if err := verifyLoginOptions(dockerCLI, &opts); err != nil {