name: Lint

on: [pull_request]

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Set up Python 3.9
        uses: actions/setup-python@v2
        with:
          python-version: 3.9

      - name: Install pre-commit hook
        run: |
          python -m pip install pre-commit
          pre-commit install

      - name: Linting
        run: pre-commit run --all-files