release.yml

name: Release

on:
  push:
    tags:
      - 'v*-rc*'   # RC versions (e.g., v0.3.1-rc1) → Production PyPI
      - 'v*'       # Final versions (e.g., v0.3.1) → Test PyPI first, then manual production
  workflow_dispatch:
    inputs:
      environment:
        description: 'Deploy to environment'
        required: true
        default: 'test'
        type: choice
        options:
        - test
        - production

jobs:
  build:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.11'

    - name: Install Poetry
      uses: snok/install-poetry@v1
      with:
        version: latest
        virtualenvs-create: true
        virtualenvs-in-project: true

    - name: Install dependencies
      run: poetry install --with dev

    - name: Get version
      id: version
      run: |
        # Build first to trigger dynamic versioning
        poetry build
        # Extract version from built wheel filename
        VERSION=$(ls dist/*.whl | head -1 | sed 's/.*-\([0-9][^-]*\)-.*/\1/')
        echo "version=$VERSION" >> $GITHUB_OUTPUT
        echo "Version: $VERSION"

    - name: Run tests
      run: poetry run python scripts/run_tests.py --layer smoke --layer unit

    - name: Upload build artifacts
      uses: actions/upload-artifact@v4
      with:
        name: dist-${{ steps.version.outputs.version }}
        path: dist/

  deploy-test:
    needs: build
    runs-on: ubuntu-latest
    if: (github.event_name == 'workflow_dispatch' && github.event.inputs.environment == 'test') || (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') && !contains(github.ref, '-rc'))
    environment: test-pypi
    permissions:
      id-token: write
      contents: read
    steps:
    - name: Download build artifacts
      uses: actions/download-artifact@v4
      with:
        name: dist-${{ needs.build.outputs.version }}
        path: dist/

    - name: Publish to Test PyPI
      uses: pypa/gh-action-pypi-publish@release/v1
      with:
        repository-url: https://test.pypi.org/legacy/

    - name: Test installation from Test PyPI
      run: |
        sleep 60  # Wait for package to be available
        pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ memfuse==${{ needs.build.outputs.version }}
        python -c "import memfuse; print(f'Installed version: {memfuse.__version__}')"

  deploy-production:
    needs: [build]
    runs-on: ubuntu-latest
    if: (github.event_name == 'workflow_dispatch' && github.event.inputs.environment == 'production') || (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') && contains(github.ref, '-rc'))
    environment: production-pypi
    permissions:
      id-token: write
      contents: read
    steps:
    - name: Download build artifacts
      uses: actions/download-artifact@v4
      with:
        name: dist-${{ needs.build.outputs.version }}
        path: dist/

    - name: Publish to PyPI
      uses: pypa/gh-action-pypi-publish@release/v1

  create-release:
    needs: [build, deploy-production]
    runs-on: ubuntu-latest
    if: github.event_name == 'workflow_dispatch' && github.event.inputs.environment == 'production'
    permissions:
      contents: write
    steps:
    - uses: actions/checkout@v4

    - name: Generate changelog
      id: changelog
      run: |
        # Get the previous tag
        PREV_TAG=$(git describe --tags --abbrev=0 HEAD~1 2>/dev/null || echo "")
        if [ -n "$PREV_TAG" ]; then
          echo "## Changes since $PREV_TAG" > changelog.md
          git log --pretty=format:"- %s (%h)" $PREV_TAG..HEAD >> changelog.md
        else
          echo "## Initial Release" > changelog.md
        fi
        cat changelog.md

    - name: Create GitHub Release
      uses: softprops/action-gh-release@v1
      with:
        tag_name: ${{ github.ref_name }}
        name: Release ${{ github.ref_name }}
        body_path: changelog.md
        draft: false
        prerelease: false