Alec Thomas
fdc7230e22
This allows help to be called even when the parse trace is invalid. Without this, the command-line would have to be valid in order to use help at all, which defeats the purpose.
35 lines
770 B
Go
35 lines
770 B
Go
package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"github.com/alecthomas/kong"
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)
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var CLI struct {
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Debug bool `kong:"help='Debug mode.'"`
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Output string `kong:"help='File to output to.',placeholder='FILE'"`
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Rm struct {
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Force bool `kong:"help='Force removal.'"`
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Recursive bool `kong:"help='Recursively remove files.'"`
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Paths []string `kong:"arg,help='Paths to remove.',type='path'"`
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} `kong:"cmd,help='Remove files.'"`
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Ls struct {
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Paths []string `kong:"help='Paths to list.',type='path'"`
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} `kong:"cmd,help='List paths.'"`
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}
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func main() {
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app := kong.Must(&CLI, kong.Description("A shell-like example app."))
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cmd, err := app.Parse(os.Args[1:])
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app.FatalIfErrorf(err)
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s, _ := json.Marshal(&CLI)
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fmt.Println(cmd)
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fmt.Println(string(s))
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}
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