cibuildsdist.yml

name: Build CI sdist and wheel

on:
  # Save CI by only running this on release branches or tags.
  push:
    branches:
      - main
      - v[0-9]+.[0-9]+.x
    tags:
      - v*
  # Also allow running this action on PRs if requested by applying the
  # "Run cibuildwheel" label.
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - labeled

jobs:
  build_sdist:
    if: |
      github.event_name == 'push' ||
      github.event_name == 'pull_request' && (
        (
          github.event.action == 'labeled' &&
          github.event.label.name == 'Run cibuildwheel'
        ) ||
        contains(github.event.pull_request.labels.*.name, 'Run cibuildwheel')
      )
    name: Build sdist and wheel on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-20.04]
        python-version: ['3.8', '3.9', '3.10', '3.11.0-alpha - 3.11']

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v4
        name: Install Python
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install build
        run: pip install build

      - name: Build sdist and wheel
        run: python -m build .

      - name: Install built matplotlib sdist
        run: pip install dist/matplotlib*.tar.gz

      - name: Check version number is not 0
        run: python ./ci/check_version_number.py

      - name: Install built matplotlib wheel
        run: pip install dist/matplotlib*.whl --force-reinstall

      - name: Check version number is not 0
        run: python ./ci/check_version_number.py