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6ef8100e25
Dependabot cannot be configured to significantly change the way it formats its commit message, and it currently includes a "Signed-Off-By" tag which is not allowed by our linter. This updates our CI commit linter to exclude bots from the checks.
94 lines
4.1 KiB
YAML
94 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@v6
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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 (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@5f51df338210754f519f721f8320d8f72525a4d0
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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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