# The "build" workflow produces wheels (and the sdist) for all python
# versions/platforms. Where possible (i.e. the build is not a cross-compile),
# the test suite is also run for the wheel (this test covers fewer
# configurations than the "test" workflow and tox.ini).
name: Build

on:
  push:
    branches:
      # Run on release branches.
      - "branch[0-9]*"
      # Also run on certain other branches for testing.
      - "build_workflow*"

env:
  python-version: '3.9'

jobs:
  build_sdist:
    name: Build sdist
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        name: Install Python
        with:
          python-version: ${{ env.python-version }}

      - name: Check metadata
        run: "python setup.py check"
      - name: Build sdist
        run: "python setup.py sdist && ls -l dist"

      - uses: actions/upload-artifact@v2
        with:
          path: ./dist/tornado-*.tar.gz

  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-20.04, windows-2019, macos-10.15]

    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        name: Install Python
        with:
          python-version: ${{ env.python-version }}
      - name: Set up QEMU
        if: runner.os == 'Linux'
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.3.1

      - uses: actions/upload-artifact@v2
        with:
          path: ./wheelhouse/*.whl