name: Commit checker

on:
  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}

jobs:
  commit-checker:
    name: Commit checker
    runs-on: ubuntu-latest

    steps:
    - name: Checkout
      uses: actions/checkout@v3
      with:
        fetch-depth: 4

    - name: Get pull-request commits
      uses: OpenTTD/actions/checkout-pull-request@v2

    - name: Check commits
      uses: OpenTTD/OpenTTD-git-hooks@main