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95 lines
4.1 KiB
YAML
95 lines
4.1 KiB
YAML
name: Commit linter
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on: [pull_request_target]
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# Make sure to update Meta/lint-commit.sh to match this script when adding new checks!
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# (… but don't accept overlong 'fixup!' commit descriptions.)
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jobs:
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lint_commits:
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runs-on: ubuntu-22.04
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if: always() && github.repository == 'SerenityOS/serenity'
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steps:
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- name: Lint PR commits
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uses: actions/github-script@v7
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with:
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script: |
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const excludedBotIds = [
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49699333, // dependabot[bot]
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];
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const rules = [
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{
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pattern: /^[^\r]*$/,
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error: "Commit message contains CRLF line breaks (only unix-style LF linebreaks are allowed)",
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},
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{
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pattern: /^.+(\r?\n(\r?\n.*)*)?$/,
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error: "Empty line between commit title and body is missing",
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},
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{
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pattern: /^.{0,72}(?:\r?\n(?:(.{0,72})|(.*?([a-z]+:\/\/)?(([a-zA-Z0-9_]|-)+\.)+[a-z]{2,}(:\d+)?([a-zA-Z_0-9@:%\+.~\?&/=]|-)+).*?))*$/,
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error: "Commit message lines are too long (maximum allowed is 72 characters, except for URLs)",
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},
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{
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pattern: /^((?!^Merge branch )[\s\S])*$/,
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error: "Commit is a git merge commit, use the rebase command instead",
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},
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{
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pattern: /^\S.*?\S: .+/,
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error: "Missing category in commit title (if this is a fix up of a previous commit, it should be squashed)",
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},
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{
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pattern: /^\S.*?: [A-Z0-9]/,
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error: "First word of commit after the subsystem is not capitalized",
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},
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{
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pattern: /^.+[^.\n](\r?\n.*)*$/,
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error: "Commit title ends in a period",
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},
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{
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pattern: /^((?!Signed-off-by: )[\s\S])*$/,
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error: "Commit body contains a Signed-off-by tag",
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},
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];
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const { repository, pull_request } = context.payload;
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// NOTE: This maxes out at 250 commits. If this becomes a problem, see:
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// https://octokit.github.io/rest.js/v18#pulls-list-commits
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const opts = github.rest.pulls.listCommits.endpoint.merge({
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owner: repository.owner.login,
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repo: repository.name,
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pull_number: pull_request.number,
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});
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const commits = await github.paginate(opts);
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const errors = [];
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for (const { sha, commit: { message }, author } of commits) {
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if (author !== null && excludedBotIds.includes(author.id)) {
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continue;
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}
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const commitErrors = [];
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for (const { pattern, error } of rules) {
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if (!pattern.test(message)) {
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commitErrors.push(error);
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}
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}
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if (commitErrors.length > 0) {
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const title = message.split("\n")[0];
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errors.push([`${title} (${sha}):`, ...commitErrors].join("\n "));
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}
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}
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if (errors.length > 0) {
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core.setFailed(`One or more of the commits in this PR do not match the code submission policy:\n\n${errors.join("\n")}`);
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}
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- name: Comment on PR
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if: ${{ failure() && !github.event.pull_request.draft }}
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uses: IdanHo/comment-on-pr@63ea2bf352997c66e524b8b5be7a79163fb3a88a
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env:
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GITHUB_TOKEN: ${{ secrets.BUGGIEBOT_TOKEN }}
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with:
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msg: "Hello!\n\nOne or more of the commit messages in this PR do not match the SerenityOS [code submission policy](https://github.com/SerenityOS/serenity/blob/master/CONTRIBUTING.md#code-submission-policy), please check the `lint_commits` CI job for more details on which commits were flagged and why.\nPlease do not close this PR and open another, instead modify your commit message(s) with [git commit --amend](https://docs.github.com/en/pull-requests/committing-changes-to-your-project/creating-and-editing-commits/changing-a-commit-message) and force push those changes to update this PR."
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