name: Prepare release

on:
  push:
    tags:
      - 'release-*'

jobs:
  prepare-release:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-python@v1
      with:
        python-version: 3.8
    - name: Prepare changelog
      id: changelog
      continue-on-error: true
      run: |
        PICARD_VERSION=$(python -c "import picard; print(picard.__version__)")
        echo "::set-output name=version::"$PICARD_VERSION
        ./scripts/package/changelog-for-version.py $PICARD_VERSION > changes-$PICARD_VERSION.txt
    - name: Update release
      uses: softprops/action-gh-release@v1
      with:
        name: MusicBrainz Picard ${{ steps.changelog.outputs.version }}
        body_path: changes-${{ steps.changelog.outputs.version }}.txt
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}