flake8.yml

name: Flake8 Linter
on:
  pull_request:
jobs:
  flake8-linter:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout source
        uses: actions/checkout@v3
      - name: Install Python 3.10
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'
      - name: Install Flake8 5.0.4 linter
        run: pip install flake8==5.0.4  # use this version for --diff option
      - name: Setup Flake8 output matcher for PR annotations
        run: echo '::add-matcher::.github/workflows/flake8-linter-matcher.json'
      - name: Fetch pull request target branch
        run: |
          git remote add upstream https://github.com/eqcorrscan/EQcorrscan.git
          git fetch upstream $GITHUB_BASE_REF
      - name: Run Flake8 linter
        run: git diff upstream/$GITHUB_BASE_REF HEAD | flake8
          --exclude eqcorrscan/doc
          --ignore W605,W504,W503
          --max-line-length 80
          --diff