name: PR title

on:
  pull_request:
    branches: [main, "release/*"]
    types: [opened, synchronize, reopened, edited]

permissions: {}

concurrency:
  group: pr-title-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  pr-title:
    name: Conventional PR title
    runs-on: ubuntu-24.04
    timeout-minutes: 2
    steps:
      - name: Validate title for Release Please
        env:
          PR_TITLE: ${{ github.event.pull_request.title }}
        run: >-
          node -e 'const title = process.env.PR_TITLE ?? "";
          const conventional = /^(?:feat|fix|docs|refactor|perf|test|build|ci|chore|revert)(?:\([a-z0-9._/-]+\))?!?: .+/u;
          if (!conventional.test(title)) {
            console.error("PR title must use Conventional Commits, for example: feat: add historical source import");
            process.exit(1);
          }'