name: flake8

on: [push]

jobs:
  lint:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
    - name: Set up Python 3.9
      uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5
      with:
        python-version: 3.9
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install flake8
    - name: Setup flake8 config
      run: |
        echo '[flake8]' > setup.cfg
        echo 'max-line-length = 120' >> setup.cfg
    - name: Analysing the code with flake8
      run: |
        find -name upgrade_strategy -exec sh -c "flake8  {} && exit 0 || echo $? > .exit_status" \;
        test -f .exit_status && rm .exit_status && exit 1; exit 0;