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40 lines
724 B
Go
40 lines
724 B
Go
// Package installer implements functions that provide a first-time
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// installation wizard.
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package installer
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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)
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// Prompt prompts the user for a answer
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func Prompt(prompt string, def bool) (bool, error) {
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// initialize a line reader
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reader := bufio.NewReader(os.Stdin)
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// display the prompt
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fmt.Printf("%s: ", prompt)
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// read the answer
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ans, err := reader.ReadString('\n')
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if err != nil {
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return false, fmt.Errorf("failed to parse input: %v", err)
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}
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// normalize the answer
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ans = strings.ToLower(strings.TrimSpace(ans))
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// return the appropriate response
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switch ans {
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case "y":
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return true, nil
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case "":
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return def, nil
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default:
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return false, nil
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}
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}
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