name: Black (python)

on: [push, pull_request]

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout branch
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v39
        with:
          separator: ","
          skip_initial_fetch: true

      - name: Setup Python env
        uses: actions/setup-python@v3

      - name: Install black and reorder-python-imports
        run: pip install black reorder-python-imports

      - name: Black and Sort changed files
        run: |
          black --check reorder-python-imports ${{ steps.changed-files.outputs.all_changed_files }}