angular-cn/dev-infra/commit-message/validate-range.ts

46 lines
1.9 KiB
TypeScript

/**
* @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
*/
import {exec} from 'shelljs';
import {parseCommitMessage, validateCommitMessage, ValidateCommitMessageOptions} from './validate';
// Whether the provided commit is a fixup commit.
const isNonFixup = (m: string) => !parseCommitMessage(m).isFixup;
/** Validate all commits in a provided git commit range. */
export function validateCommitRange(range: string) {
// A random value is used as a string to allow for a definite split point in the git log result.
const randomValueSeparator = `${Math.random()}`;
// Custom git log format that provides the commit header and body, separated as expected with
// the custom separator as the trailing value.
const gitLogFormat = `%s%n%n%b${randomValueSeparator}`;
// Retrieve the commits in the provided range.
const result = exec(`git log --reverse --format=${gitLogFormat} ${range}`, {silent: true});
if (result.code) {
throw new Error(`Failed to get all commits in the range: \n ${result.stderr}`);
}
// Separate the commits from a single string into individual commits
const commits = result.split(randomValueSeparator).map(l => l.trim()).filter(line => !!line);
console.info(`Examining ${commits.length} commit(s) in the provided range: ${range}`);
// Check each commit in the commit range. Commits are allowed to be fixup commits for other
// commits in the provided commit range.
const allCommitsInRangeValid = commits.every((m, i) => {
const options: ValidateCommitMessageOptions = {
disallowSquash: true,
nonFixupCommitHeaders: isNonFixup(m) ? undefined : commits.slice(0, i).filter(isNonFixup)
};
return validateCommitMessage(m, options);
});
if (allCommitsInRangeValid) {
console.info('√ All commit messages in range valid.');
}
}