update_demo.yml

name: Update Demo

on:
  push:
    branches:
      - main

env:
  TEMPLATE: cookiecutter-python-package
  CURRENT_DEMO: cookiecutter-python-package-demo-current
  DEMO: cookiecutter-python-package-demo

jobs:
  update_demo:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout ${{ env.TEMPLATE }}
        uses: actions/checkout@v7
        with:
          path: ${{ env.TEMPLATE }}

      - name: Checkout ${{ env.DEMO }}
        uses: actions/checkout@v7
        with:
          repository: "sgraaf/${{ env.DEMO }}"
          token: ${{ secrets.X_GITHUB_PAT }}
          path: ${{ env.CURRENT_DEMO }}

      - name: Install the latest version of uv with caching enabled
        id: setup-uv
        uses: astral-sh/setup-uv@v10.2.0
        with:
          enable-cache: true

      - name: Build Demo
        run: |
          cat "${{ env.TEMPLATE }}/.github/workflows/input-for-demo.txt" | uvx cookiecutter "${{ env.TEMPLATE }}"
          find "${{ env.DEMO }}"

      - name: Commit and push changes
        run: |
          # Sync the generated files into the checkout rather than moving `.git`: `actions/checkout` persists the
          # credentials via an `includeIf "gitdir:..."` entry, which no longer matches once `.git` has been moved
          rsync -a --delete --exclude .git "${{ env.DEMO }}/" "${{ env.CURRENT_DEMO }}/"
          cd "${{ env.CURRENT_DEMO }}"
          git config user.name "Automated"
          git config user.email "actions@users.noreply.github.com"
          git add -A
          git commit -m "Demo of ${{ env.TEMPLATE }} @ ${GITHUB_SHA::7}" || exit 0
          git push
      - name: Post commit comment
        run: |
          export FULL_SHA=$(git rev-parse HEAD)
          echo '{}' | \
          jq --arg v "Demo: https://github.com/sgraaf/${{ env.DEMO }}/tree/${FULL_SHA::7}" '. + { body: $v }' | \
          curl -sL \
            -X POST \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            "$GITHUB_API_URL/repos/$GITHUB_REPOSITORY/commits/$GITHUB_SHA/comments" \
            -d @-
        working-directory: ${{ env.CURRENT_DEMO }}