name: Format Code

on:
  push:
    paths:
    - '**.py'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Set up Python
      uses: actions/setup-python@v1
      with:
        python-version: 3.8
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements-lint.txt
    - name: Code Format Check with Black
      run: |
        black --verbose .
    - name: Commit Formated Code
      uses: EndBug/add-and-commit@v5
      env:
        # This is necessary in order to push a commit to the repo
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        message: "Format code with black"
        # Ref https://git-scm.com/docs/git-add#_examples
        add: './*.py'