build_and_release.yml

name: Build and Release

on:
  push:
    branches: ['build', 'release']
  pull_request:
    branches: ['main', 'master']
  workflow_dispatch:

jobs:
  build:
    if: |
      startsWith(github.ref_name, 'build') ||
      startsWith(github.ref_name, 'release')
    name: Build sdist and wheels
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          python -m venv --system-site-packages .local
          echo "$HOME/.local/bin" >> $GITHUB_PATH
          python -m pip install --upgrade pip build setuptools

      - name: Build and verify its integrity
        run: |
          python -m build --no-isolation
          for f in dist/tremolo-*.tar.gz; do
              gzip -t "$f"
          done
          for f in dist/tremolo-*.whl; do
              unzip -t "$f"
          done

      - uses: actions/upload-artifact@v3
        with:
          name: dist
          path: dist/tremolo-*

  release:
    if: |
      startsWith(github.ref_name, 'build') ||
      startsWith(github.ref_name, 'release')
    name: Upload release to PyPI
    needs: ['build']
    runs-on: ubuntu-latest
    environment:
      name: pypi
      url: https://pypi.org/p/tremolo
    permissions:
      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
    steps:
      - uses: actions/download-artifact@v3
        with:
          name: dist
          path: dist

      - run: |
          tree -L 2

      - name: Publish to PyPI
        if: ${{ startsWith(github.ref_name, 'release') }}
        uses: pypa/gh-action-pypi-publish@release/v1