name: Lint

# If a pull-request is pushed then cancel all previously running jobs related
# to that pull-request
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true 

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
      - master

env:
  PY_COLORS: 1

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4.1.1
        with:
          fetch-depth: 0
      - name: Install poetry
        run: pipx install poetry
      - uses: actions/setup-python@v5.0.0
        with:
          python-version: '3.12'
      - run: poetry install
      - name: Run flake8 (https://flake8.pycqa.org/en/latest/)
        run: poetry run flake8 --exclude=tests/