name: Commit lint

on:
  pull_request:
  push:
    branches: [main]

permissions:
  contents: read

concurrency:
  group: commit-lint-${{ github.ref }}
  cancel-in-progress: true

jobs:
  messages:
    name: commit messages
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Validate Conventional Commit subjects
        env:
          GITHUB_EVENT_BEFORE: ${{ github.event.before }}
          GITHUB_PR_BASE_SHA: ${{ github.event.pull_request.base.sha }}
        run: make check-commits