name: Lint Commits

'on':
  pull_request:
    branches: [main]

permissions:
  contents: read
  pull-requests: read

jobs:
  commitlint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Install commitlint
        run: npm install --save-dev @commitlint/{cli,config-conventional}

      - name: Validate PR commits
        env:
          COMMITLINT_FROM: ${{ github.event.pull_request.base.sha }}
          COMMITLINT_TO: ${{ github.event.pull_request.head.sha }}
        run: scripts/lint.sh commitlint