weekly-poetry-bot.yml

name: Weekly Poetry Update

on:
  schedule:
    - cron: '0 0 * * 0' # Runs every Sunday at midnight
  workflow_dispatch: # Allows manual triggering of the workflow

jobs:
  update-dependencies:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.10'

    - name: Install Poetry
      run: |
        curl -sSL https://install.python-poetry.org | python3 -
        export PATH="$HOME/.local/bin:$PATH"

    - name: Set date variable
      id: date
      run: echo "DATE=$(date +%Y%m%d%H%M)" >> $GITHUB_ENV

    - name: Create new branch
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
        git checkout -b update-dependencies-${{ env.DATE }}

    - name: Install dependencies
      run: poetry install

    - name: Update dependencies
      run: poetry update | tee poetry-update.log

    - name: Commit changes
      run: |
        git add poetry.lock
        if git diff-index --quiet HEAD; then
          echo "No changes detected, creating an empty commit."
          git commit --allow-empty -m "chore(deps): :arrows_counterclockwise: no updates for ${{ env.DATE }}"
        else
          echo "Changes detected, creating a commit with update log."
          if [ -f poetry-update.log ]; then
            update_log=$(cat poetry-update.log)
          else
            update_log="No update log available."
          fi
          git commit -m "$(echo -e "chore(deps): :arrows_counterclockwise: update dependencies ${{ env.DATE }}\n\n$update_log")"
        fi

    - name: Push changes
      run: |
        gh auth setup-git
        git push -f origin update-dependencies-${{ env.DATE }}
      env:
        GITHUB_TOKEN: ${{ secrets.WEEKLY_UPDATE }}

    - name: Create Pull Request via gh
      run: |
        gh pr create --title "chore(deps): :arrows_counterclockwise: update dependencies ${{ env.DATE }}" \
        --body "This is an auto-generated pull request to update dependencies in `poetry.lock`." \
        --base main \
        --head update-dependencies-${{ env.DATE }}
      env:
        GITHUB_TOKEN: ${{ secrets.WEEKLY_UPDATE }}

    - name: Add Label to Pull Request
      run: |
        pr_number=$(gh pr view --json number --jq '.number')
        gh pr edit $pr_number --add-label "weekly-update"
      env:
        GITHUB_TOKEN: ${{ secrets.WEEKLY_UPDATE }}

    - name: Merge Pull Request via gh
      run: |
        gh pr merge update-dependencies-${{ env.DATE }} --merge --auto
      env:
        GITHUB_TOKEN: ${{ secrets.WEEKLY_UPDATE }}