---
name: Ruff Lint

on: pull_request

jobs:
  ruff-lint:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
      contents: read
    steps:
      - name: Checkout Head
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}

      - name: Filter changed Python files
        id: py-filter
        uses: dorny/paths-filter@v3
        with:
          list-files: shell
          filters: |
            python:
              - '**/*.py'

      - name: Install ruff 
        if: steps.py-filter.outputs.python == 'true'
        run: |
          pip install ruff==0.6.4

      - name: Run ruff check on changed files
        if: steps.py-filter.outputs.python == 'true'
        run: |
          ruff check ${{ steps.py-filter.outputs.python_files }}

      - name: Run ruff format on changed files
        if: always() && steps.py-filter.outputs.python == 'true'
        run: |
          ruff format --diff ${{ steps.py-filter.outputs.python_files }}