bake-notebooks.yml

name: Bake Notebooks

on:
  push:
    branches:
      - 'solutions/**'
    paths:
      - 'code/solutions/*.ipynb'

jobs:
  bake-notebooks:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout solution branch
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'
          
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install jupyter nbconvert
          
      - name: Configure Git
        run: |
          git config --global user.name "GitHub Actions Bot"
          git config --global user.email "actions@github.com"
          
      - name: Checkout main branch
        run: |
          git checkout main
          
      - name: Merge solution branch
        run: |
          git merge ${{ github.ref }} -m "Merge solution updates from ${{ github.ref_name }}"
          
      - name: Find changed notebooks
        id: find_notebooks
        run: |
          CHANGED_FILES=$(git diff --name-only HEAD~1 HEAD | grep "code/solutions/.*_solutions\.ipynb" || echo "")
          if [ -z "$CHANGED_FILES" ]; then
            echo "No solution notebooks changed, skipping bake"
            echo "notebooks=" >> $GITHUB_OUTPUT
          else
            echo "notebooks=$CHANGED_FILES" >> $GITHUB_OUTPUT
            echo "Changed notebooks: $CHANGED_FILES"
          fi
          
      - name: Bake notebooks
        if: steps.find_notebooks.outputs.notebooks != ''
        run: |
          python code/support_files/bake_notebooks.py ${{ steps.find_notebooks.outputs.notebooks }}
          
      - name: Commit and push changes
        if: steps.find_notebooks.outputs.notebooks != '' && success()
        run: |
          git add code/*.ipynb code/solutions/html/*.html
          git commit -m "Auto-bake notebooks from ${{ github.ref_name }}" || echo "No changes to commit"
          git push origin main