autoblack.yml

# GitHub Action that uses Black to reformat the Python code in an incoming pull request.
# If all Python code in the pull request is compliant with Black then this Action does nothing.
# Othewrwise, Black is run and its changes are committed back to the incoming pull request.
# https://github.com/cclauss/autoblack

name: Automatically format sources

defaults:
  run:
    working-directory: ./black

on:
  push:
    branches:
      - 'ci_dev'
      - 'main'

jobs:
  build:
    name: Format Sources
# Temporary while self-hosted infra is down
#    runs-on: [ "self-hosted", "build_host" ]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          path: ./black
          ref: ${{ github.event.push.head.sha }}
      - name: Set up Python 3.7
        uses: actions/setup-python@v4
        with:
          python-version: 3.7
      - name: Install Black
        run: pip install black
      - name: Check if formatting is required for any file
        run: black --exclude="setup.py|tests/*" --check .
      - name: If needed, commit black changes to the repo
        if: failure()
        run: |
          black --exclude="setup.py|tests/*" .
          git config --global user.name 'Auto Format'
          git config --global user.email 'ngardiner@gmail.com'
          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
          git checkout
          git commit -am "fixup: Format Python code with Black"
          git push