angular-cn/tools/gulp-tasks/validate-commit-message.js

43 lines
1.5 KiB
JavaScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
// tslint:disable:no-console
module.exports = (gulp) => () => {
const validateCommitMessage = require('../validate-commit-message');
const childProcess = require('child_process');
// We need to fetch origin explicitly because it might be stale.
// I couldn't find a reliable way to do this without fetch.
childProcess.exec(
'git fetch origin master && git log --reverse --format=%s HEAD ^origin/master',
(error, stdout, stderr) => {
if (error) {
console.log(stderr);
process.exit(1);
}
let someCommitsInvalid = false;
let commitsByLine = stdout.trim().split(/\n/).filter(line => line != '');
console.log(`Examining ${commitsByLine.length} commits between HEAD and master`);
if (commitsByLine.length == 0) {
console.log('There are zero new commits between this HEAD and master');
}
someCommitsInvalid = !commitsByLine.every(validateCommitMessage);
if (someCommitsInvalid) {
console.log('Please fix the failing commit messages before continuing...');
console.log(
'Commit message guidelines: https://github.com/angular/angular/blob/master/CONTRIBUTING.md#-commit-message-guidelines');
process.exit(1);
}
});
};