syncthing/script/commit-msg.go

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2016-10-27 19:41:38 +00:00
// Copyright (C) 2016 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
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//go:build ignore
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// +build ignore
package main
import (
"bytes"
"fmt"
"os"
"path/filepath"
"regexp"
)
const (
exitSuccess = 0
exitError = 1
)
var subject = regexp.MustCompile(`^[\w/,\. ]+: \w`)
func main() {
if len(os.Args) != 2 {
fmt.Printf("Usage: %s <file>\n", filepath.Base(os.Args[0]))
os.Exit(exitError)
}
bs, err := os.ReadFile(os.Args[1])
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if err != nil {
fmt.Println("Reading input:", err)
os.Exit(exitError)
}
lines := bytes.Split(bs, []byte{'\n'})
if !subject.Match(lines[0]) {
fmt.Printf(`Commit message subject:
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%s
doesn't look like "tag: One sentence description". Specifically, it doesn't
match this pattern:
%s
`, lines[0], subject)
os.Exit(exitError)
}
os.Exit(exitSuccess)
}