ci.yml

name: CI

on:
  push:
    branches: [ main ]
    paths-ignore:
      - '**/*.md'
  pull_request:
    paths-ignore:
      - '**/*.md'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.x'
      - name: Detect comment-only changes
        id: changes
        run: |
          git fetch --depth=2 origin ${{ github.base_ref }}
          CHANGED=$(git diff --name-only HEAD origin/${{ github.base_ref }} -- '*.py')
          if [ -z "$CHANGED" ]; then
            echo "run=false" >> $GITHUB_OUTPUT
          else
            DIFF=$(git diff origin/${{ github.base_ref }} HEAD -- '*.py' | grep '^+' | grep -v '+++' | grep -v '^+\s*#')
            if [ -z "$DIFF" ]; then
              echo "run=false" >> $GITHUB_OUTPUT
            else
              echo "run=true" >> $GITHUB_OUTPUT
            fi
          fi
      - name: Install dependencies
        if: steps.changes.outputs.run == 'true'
        run: |
          python -m pip install --upgrade pip
          pip install -e .
          pip install flake8
      - name: Run flake8
        if: steps.changes.outputs.run == 'true'
        run: flake8 .
      - name: Run pytest
        if: steps.changes.outputs.run == 'true'
        run: pytest