push.yml

name: Update demo

on:
  push:
    branches:
      - main

jobs:
  update_demo:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout python-lib
      uses: actions/checkout@v4
      with:
        path: main
    - name: Checkout python-lib-template-demo
      uses: actions/checkout@v4
      with:
        repository: simonw/python-lib-template-demo
        path: python-lib-template-demo-current
        token: ${{ secrets.PERSONAL_ACCESS_TOKEN_FOR_PUSH }}
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3.11"
        cache: pip
    - name: Install dependencies
      run: |
        pip install -r main/requirements.txt
    - name: Build demo from template
      run: |-
        cat main/input-for-demo.txt | cookiecutter main
        find python-lib-template-demo
    - name: Push to git
      env:
        PERSONAL_ACCESS_TOKEN_FOR_PUSH: ${{ secrets.PERSONAL_ACCESS_TOKEN_FOR_PUSH }}
      run: |-
        # Move the .git folder across
        mv python-lib-template-demo-current/.git python-lib-template-demo
        # Commit and push the changes
        cd python-lib-template-demo
        echo "git diff:"
        git diff
        echo "---"
        git config user.name "Automated"
        git config user.email "actions@users.noreply.github.com"
        git add -A .
        git commit -m "Demo of python-lib ${GITHUB_SHA}" || exit 0
        git push -u origin main
    - name: Post commit comment
      run: |-
        cd python-lib-template-demo
        export FULL_SHA=$(git rev-parse HEAD)
        export SHORT_SHA=${FULL_SHA::8}
        export NEWLINE=$'\n'
        echo '{}' | jq --arg v "Demo: https://github.com/simonw/python-lib-template-demo/tree/$SHORT_SHA" \
          '. + { body: $v }' | \
        curl -sL  -X POST -d @- \
          -H "Content-Type: application/json" \
          -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
          "https://api.github.com/repos/$GITHUB_REPOSITORY/commits/$GITHUB_SHA/comments"