Method modeInteractive

command/console.go:131–169

(cfg packer.Evaluator)

}

func (c *ConsoleCommand) modeInteractive(cfg packer.Evaluator) int {
	// Setup the UI so we can output directly to stdout
	l, err := readline.NewEx(wrappedreadline.Override(&readline.Config{
		Prompt:            "> ",
		InterruptPrompt:   "^C",
		EOFPrompt:         "exit",
		HistorySearchFold: true,
	}))
	if err != nil {
		c.Ui.Error(fmt.Sprintf(
			"Error initializing console: %s",
			err))
		return 1
	}
	for {
		// Read a line
		line, err := l.Readline()
		if err == readline.ErrInterrupt {
			if len(line) == 0 {
				break
			} else {
				continue
			}
		} else if err == io.EOF {
			break
		}
		out, exit, diags := cfg.EvaluateExpression(line)
		ret := writeDiags(c.Ui, nil, diags)
		if exit {
			return ret
		}
		c.Ui.Say(out)
		if exit {
			return ret
		}
	}

	return 0
}