name: Star trend
on:
  schedule:
    - cron: '23 3 * * *'
  workflow_dispatch:
  push:
    branches: [main]
    paths: ['scripts/update_stars.py', '.github/workflows/stars.yml']
permissions:
  contents: write
concurrency:
  group: star-trend
  cancel-in-progress: false
jobs:
  update:
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: main
      - uses: actions/setup-python@v5
        with:
          python-version: '3.11'
      - run: python scripts/update_stars.py
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Commit real star snapshots
        run: |
          git config user.name 'github-actions[bot]'
          git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
          git add docs/assets/stars.json docs/assets/star-history.svg
          if ! git diff --cached --quiet; then
            git commit -m 'docs: update star trend snapshot'
            git push origin HEAD:main
          fi