release.yml

name: Release

# Creates a GitHub Release with changelog and artifacts
# when a version tag is pushed. Runs after PyPI upload.

on:
  push:
    tags:
      - 'v*'

jobs:
  github-release:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Extract version
        id: meta
        run: |
          VERSION="${GITHUB_REF_NAME#v}"
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "tag=$GITHUB_REF_NAME" >> "$GITHUB_OUTPUT"

      - name: Wait for PyPI availability
        run: |
          VERSION="${{ steps.meta.outputs.version }}"
          echo "Waiting for gemstack $VERSION on PyPI..."
          for i in $(seq 1 30); do
            if curl -sf "https://pypi.org/pypi/gemstack/$VERSION/json" > pypi.json; then
              if python3 -c "import sys,json; data=json.load(open('pypi.json')); sys.exit(0 if any(u['packagetype']=='sdist' for u in data.get('urls', [])) else 1)" 2>/dev/null; then
                echo "✅ Package and sdist available on PyPI"
                exit 0
              fi
            fi
            echo "  Attempt $i/30 — waiting 10s..."
            sleep 10
          done
          echo "::error::Package not found on PyPI after 5 minutes"
          exit 1

      - name: Download release artifacts from PyPI
        run: |
          VERSION="${{ steps.meta.outputs.version }}"
          mkdir -p dist/
          # Use PyPI metadata already fetched by the Wait step
          if [ ! -s pypi.json ]; then
            echo "::error::PyPI metadata file missing or empty!"
            exit 1
          fi
          WHEEL_URL=$(python3 -c "import sys,json; urls=json.load(open('pypi.json'))['urls']; print(next(u['url'] for u in urls if u['packagetype']=='bdist_wheel'))")
          SDIST_URL=$(python3 -c "import sys,json; urls=json.load(open('pypi.json'))['urls']; print(next(u['url'] for u in urls if u['packagetype']=='sdist'))")
          curl -fSL "$WHEEL_URL" -o "dist/gemstack-${VERSION}-py3-none-any.whl"
          curl -fSL "$SDIST_URL" -o "dist/gemstack-${VERSION}.tar.gz"
          ls -lh dist/

      - name: Extract changelog for this version
        run: |
          VERSION="${{ steps.meta.outputs.version }}"
          NOTES=$(awk "/^## \\[$VERSION\\]/{found=1; next} /^## \\[/{if(found) exit} found{print}" CHANGELOG.md)
          if [ -z "$NOTES" ]; then
            NOTES="Release v${VERSION}. See [CHANGELOG.md](https://github.com/arvarik/gemstack/blob/main/CHANGELOG.md) for details."
          fi
          echo "$NOTES" > /tmp/release-notes.md
          cat >> /tmp/release-notes.md << 'EOF'

          ---

          ## Install

          ```bash
          pipx install "gemstack[all]"     # Recommended
          uv tool install "gemstack[all]"  # Fastest
          pip install "gemstack[all]"      # Standard
          ```
          EOF

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.meta.outputs.tag }}
          name: "Gemstack ${{ steps.meta.outputs.tag }}"
          body_path: /tmp/release-notes.md
          files: dist/*
          draft: false
          prerelease: ${{ contains(steps.meta.outputs.tag, '-') }}