name: Commit style check

on: [pull_request]

jobs:
  commit-check:
    runs-on: ubuntu-20.04

    steps:

    - name: Install Python
      run: sudo apt install python3
      shell: bash

    - uses: actions/checkout@v2
      with:
          # Assume that there are not >200 new commits that need checking
          fetch-depth: 200
          # Don't checkout submodules
          submodules: 'false'
          # Don't create a merge commit
          ref: ${{ github.event.pull_request.head.sha }}

    - name: Verify commits
      run: $GITHUB_WORKSPACE/.github/workflows/check_commit_style.py
      shell: bash