From fa695559bebca18bfceb5629570a4f379f2387c3 Mon Sep 17 00:00:00 2001
From: Guilherme Souza <grsouza@pm.me>
Date: Fri, 9 Aug 2024 14:53:53 -0300
Subject: [PATCH 1/2] ci: add conventional commits enforcement

---
 .../workflows/conventional-commits-lint.js    | 92 +++++++++++++++++++
 .github/workflows/conventional-commits.yml    | 43 +++++++++
 2 files changed, 135 insertions(+)
 create mode 100644 .github/workflows/conventional-commits-lint.js
 create mode 100644 .github/workflows/conventional-commits.yml

diff --git a/.github/workflows/conventional-commits-lint.js b/.github/workflows/conventional-commits-lint.js
new file mode 100644
index 00000000..62930939
--- /dev/null
+++ b/.github/workflows/conventional-commits-lint.js
@@ -0,0 +1,92 @@
+"use strict";
+
+const fs = require("fs");
+
+const TITLE_PATTERN =
+  /^(?<prefix>[^:!(]+)(?<package>\([^)]+\))?(?<breaking>[!])?:.+$/;
+const RELEASE_AS_DIRECTIVE = /^\s*Release-As:/im;
+const BREAKING_CHANGE_DIRECTIVE = /^\s*BREAKING[ \t]+CHANGE:/im;
+
+const ALLOWED_CONVENTIONAL_COMMIT_PREFIXES = [
+  "revert",
+  "feat",
+  "fix",
+  "ci",
+  "docs",
+  "chore",
+  "style",
+  "test",
+  "refactor",
+];
+
+const object = process.argv[2];
+const payload = JSON.parse(fs.readFileSync(process.stdin.fd, "utf-8"));
+
+let validate = [];
+
+if (object === "pr") {
+  validate.push({
+    title: payload.pull_request.title,
+    content: payload.pull_request.body,
+  });
+} else if (object === "push") {
+  validate.push(
+    ...payload.commits
+      .map((commit) => ({
+        title: commit.message.split("\n")[0],
+        content: commit.message,
+      }))
+      .filter(({ title }) => !title.startsWith("Merge branch ") && !title.startsWith("Revert ")),
+  );
+} else {
+  console.error(
+    `Unknown object for first argument "${object}", use 'pr' or 'push'.`,
+  );
+  process.exit(0);
+}
+
+let failed = false;
+
+validate.forEach((payload) => {
+  if (payload.title) {
+    const match = payload.title.match(TITLE_PATTERN);
+    if (!match) {
+      return
+    }
+
+    const { groups } = match
+
+    if (groups) {
+      if (
+        !ALLOWED_CONVENTIONAL_COMMIT_PREFIXES.find(
+          (prefix) => prefix === groups.prefix,
+        )
+      ) {
+        console.error(
+          `PR (or a commit in it) is using a disallowed conventional commit prefix ("${groups.prefix}"). Only ${ALLOWED_CONVENTIONAL_COMMIT_PREFIXES.join(", ")} are allowed. Make sure the prefix is lowercase!`,
+        );
+        failed = true;
+      }
+    } else {
+      console.error(
+        "PR or commit title must match conventional commit structure.",
+      );
+      failed = true;
+    }
+  }
+
+  if (payload.content) {
+    if (payload.content.match(RELEASE_AS_DIRECTIVE)) {
+      console.error(
+        "PR descriptions or commit messages must not contain Release-As conventional commit directives.",
+      );
+      failed = true;
+    }
+  }
+});
+
+if (failed) {
+  process.exit(1);
+}
+
+process.exit(0);
\ No newline at end of file
diff --git a/.github/workflows/conventional-commits.yml b/.github/workflows/conventional-commits.yml
new file mode 100644
index 00000000..ab722080
--- /dev/null
+++ b/.github/workflows/conventional-commits.yml
@@ -0,0 +1,43 @@
+name: Check pull requests
+
+on:
+  push:
+    branches-ignore: # Run the checks on all branches but the protected ones
+      - main
+      - release/*
+
+  pull_request_target:
+    branches:
+      - main
+      - release/*
+    types:
+      - opened
+      - edited
+      - reopened
+      - ready_for_review
+
+jobs:
+  check-conventional-commits:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          sparse-checkout: |
+            .github
+
+      - if: ${{ github.event_name == 'pull_request_target' }}
+        run: |
+          set -ex
+
+          node .github/workflows/conventional-commits-lint.js pr <<EOF
+          ${{ toJSON(github.event) }}
+          EOF
+
+      - if: ${{ github.event_name == 'push' }}
+        run: |
+          set -ex
+
+          node .github/workflows/conventional-commits-lint.js push <<EOF
+          ${{ toJSON(github.event) }}
+          EOF
\ No newline at end of file

From 89ecea67cae2a1bc1f836bd03dda55eb96653f59 Mon Sep 17 00:00:00 2001
From: Andrew Smith <a.smith@silentworks.co.uk>
Date: Sun, 11 Aug 2024 10:40:47 +0000
Subject: [PATCH 2/2] ci: format conventional commit files

---
 .github/workflows/conventional-commits-lint.js | 2 +-
 .github/workflows/conventional-commits.yml     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/conventional-commits-lint.js b/.github/workflows/conventional-commits-lint.js
index 62930939..35db22f5 100644
--- a/.github/workflows/conventional-commits-lint.js
+++ b/.github/workflows/conventional-commits-lint.js
@@ -89,4 +89,4 @@ if (failed) {
   process.exit(1);
 }
 
-process.exit(0);
\ No newline at end of file
+process.exit(0);
diff --git a/.github/workflows/conventional-commits.yml b/.github/workflows/conventional-commits.yml
index ab722080..71e0e1d0 100644
--- a/.github/workflows/conventional-commits.yml
+++ b/.github/workflows/conventional-commits.yml
@@ -40,4 +40,4 @@ jobs:
 
           node .github/workflows/conventional-commits-lint.js push <<EOF
           ${{ toJSON(github.event) }}
-          EOF
\ No newline at end of file
+          EOF