generate-demo.yml

name: Generate Demo GIF

on:
  workflow_dispatch:

permissions:
  contents: write

jobs:
  demo:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install package
        run: |
          python -m pip install --upgrade pip
          pip install -e .

      - name: Render VHS demo (Docker)
        run: |
          docker run --rm -v "$PWD":/vhs ghcr.io/charmbracelet/vhs .github/demo.tape

      - name: Commit refreshed demo.gif
        run: |
          if git diff --quiet -- demo.gif; then
            echo "demo.gif unchanged"
            exit 0
          fi
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add demo.gif
          git commit -m "chore: refresh demo gif" -m "Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>"
          git push

      - name: Upload demo artifact
        uses: actions/upload-artifact@v4
        with:
          name: demo-gif
          path: demo.gif