.github/workflows/python-package.yml

# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

name: Python package

on:
  push:
    branches: [ master, 7.x ]
  pull_request:
    branches: [ master, 7.x ]

jobs:
  formatting:

    runs-on: ubuntu-latest
    timeout-minutes: 5
    strategy:
      matrix:
        python-version: [3.8]

    steps:
    - uses: actions/checkout@v2
      with:
        fetch-depth: 0
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install darker black==21.12b0
    - name: Lint with darker
      run: |
        darker -r 60625f241f298b5039cb2debc365db38aa7bb522 --check --diff . || (
        echo "Changes need auto-formatting. Run:"
        echo "    darker -r 60625f241f298b5039cb2debc365db38aa7bb522"
        echo "then commit and push changes to fix."
        exit 1
        )