release.yml

name: Release — Build Wheel & GitHub Release

on:
  push:
    tags: ['v*']

permissions:
  contents: write

jobs:
  build-wheel:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: '3.12'
      - name: Cache pip
        uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-release-${{ hashFiles('pyproject.toml') }}
          restore-keys: ${{ runner.os }}-pip-
      - name: Install build deps
        run: |
          python -m pip install --upgrade pip
          pip install build
      - name: Build wheel
        run: python -m build --wheel
      - name: Upload wheel artifact
        uses: actions/upload-artifact@v4
        with:
          name: wheel
          path: dist/*.whl
      - name: Generate release notes
        id: release_notes
        run: |
          if [ -f CHANGELOG.md ]; then
            echo "notes<<EOF" >> $GITHUB_OUTPUT
            head -80 CHANGELOG.md >> $GITHUB_OUTPUT
            echo "EOF" >> $GITHUB_OUTPUT
          else
            echo "notes=Release ${{ github.ref_name }}" >> $GITHUB_OUTPUT
          fi
      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          files: dist/*.whl
          body: ${{ steps.release_notes.outputs.notes }}
          generate_release_notes: true
          draft: false
          prerelease: false