---

name: PyYAML CI
on:
  push:
  pull_request:
  workflow_dispatch:

env:
  LIBYAML_REPO: https://github.com/yaml/libyaml
  LIBYAML_REF: '0.2.5'
jobs:
  python_sdist:
    name: pyyaml sdist
    runs-on: ubuntu-latest
    steps:
      - name: checkout pyyaml
        uses: actions/checkout@v2

      - name: install a python
        uses: actions/setup-python@v2
        with:
          python-version: 3.x

      - name: install build deps
        run: |
          python -V

          python -m pip install build

      - name: build sdist
        run: |
          export PYYAML_FORCE_CYTHON=1  # we DO want to force Cythoning, at least until 6.0
          export PYYAML_FORCE_LIBYAML=0  # we don't actually want to build the lib

          python -m build .

          # ensure exactly one artifact was produced
          shopt -s nullglob
          DISTFILES=(dist/*.tar.gz)
          if [[ ${DISTFILES[@]} -ne 1 ]]; then
            echo "unexpected content in dist dir: $(ls dist/*.tar.gz)"
            exit 1
          fi

      - name: test sdist
        run: |
          # install some libyaml headers
          # TODO: should we smoke test the sdist against the libyaml we built?
          sudo apt update
          sudo apt install libyaml-dev -y

          # ensure Cython is not present so we use only what's in the sdist
          python -m pip uninstall Cython -y || true

          # pass no extra args- we should auto-install with libyaml since it's present
          python -m pip install dist/*.tar.gz -v

          python packaging/build/smoketest.py

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


  linux_libyaml:
    name: libyaml ${{ matrix.arch }} ${{ matrix.platform }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        platform:
          # manylinux1 is forward-compatible to 2010/2014
          #- manylinux2014
          #- manylinux2010
          - manylinux1
        arch:
          - x86_64
    env:
      DOCKER_IMAGE: quay.io/pypa/${{ matrix.platform }}_${{ matrix.arch }}
    steps:
      - name: check cached libyaml state
        id: cached_libyaml
        uses: actions/cache@v2
        with:
          path: |
            libyaml
          key: libyaml_${{ matrix.platform }}_${{ matrix.arch }}_${{ env.LIBYAML_REF }}

      - name: checkout pyyaml
        uses: actions/checkout@v2
        if: steps.cached_libyaml.outputs.cache-hit != 'true'

      - name: build libyaml
        run: |
          docker run --rm -v $(pwd):/io -e LIBYAML_REF -e LIBYAML_REPO --workdir /io "$DOCKER_IMAGE" /io/packaging/build/libyaml.sh
        if: steps.cached_libyaml.outputs.cache-hit != 'true'

  linux_pyyaml:
    needs: linux_libyaml
    name: pyyaml ${{ matrix.arch }} ${{ matrix.platform }} ${{ matrix.python_tag }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        platform:
          # so long as manylinux1 container builds work, they're forward-compatible to 2010/2014
          # - manylinux2014
          # - manylinux2010
          - manylinux1
        arch:
          - x86_64
        python_tag:
          # NB: manylinux >=2014 containers don't have Python 2.7, so we have to use exclude to skip it
          - cp27-cp27mu
          - cp36-cp36m
          - cp37-cp37m
          - cp38-cp38
          - cp39-cp39
#        exclude:
#          - platform: manylinux2014
#            arch: x86_64
#            python_tag: cp27-cp27mu
    env:
      AW_PLAT: ${{ matrix.platform }}_${{ matrix.arch }}
      DOCKER_IMAGE: quay.io/pypa/${{ matrix.platform }}_${{ matrix.arch }}
      PYTHON_TAG: ${{ matrix.python_tag }}
      PYYAML_BUILD_WHEELS: 1
    steps:
      - uses: actions/checkout@v2

      - name: fetch cached libyaml
        id: cached_libyaml
        uses: actions/cache@v2
        with:
          path: |
            libyaml
          key: libyaml_${{ matrix.platform }}_${{ matrix.arch }}_${{ env.LIBYAML_REF }}

      - name: ensure libyaml fetched
        run: exit 1
        if: steps.cached_libyaml.outputs.cache-hit != 'true'

      - name: start container
        run: |
          docker run --name worker -t -d --rm -v $(pwd):/io "$DOCKER_IMAGE" bash

      - name: build/test/package
        run: |
          docker exec -e PYTHON_TAG -e PYYAML_RUN_TESTS -e PYYAML_BUILD_WHEELS -e AW_PLAT --workdir /io worker \
          /io/packaging/build/manylinux.sh

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

  macos_libyaml:
    name: libyaml ${{ matrix.arch }} ${{ matrix.platform }}
    runs-on: ${{ matrix.platform }}
    strategy:
      matrix:
        platform:
          - macos-10.15
        arch:
          - x86_64
    steps:
      - name: check cached libyaml state
        id: cached_libyaml
        uses: actions/cache@v2
        with:
          path: |
            libyaml
          key: libyaml_${{ matrix.platform }}_${{ matrix.arch }}_${{ env.LIBYAML_REF }}

      - name: checkout pyyaml
        uses: actions/checkout@v2
        if: steps.cached_libyaml.outputs.cache-hit != 'true'

      - name: build libyaml
        env:
          MACOSX_DEPLOYMENT_TARGET: '10.9'
        run: |
          brew install automake coreutils
          bash ./packaging/build/libyaml.sh
        if: steps.cached_libyaml.outputs.cache-hit != 'true'


  macos_pyyaml:
    needs: macos_libyaml
    name: pyyaml ${{ matrix.arch }} ${{ matrix.platform }} ${{ matrix.python_tag }}
    runs-on: ${{ matrix.platform }}
    strategy:
      matrix:
        platform:
          - macos-10.15
        arch:
          - x86_64
        python_tag:
          - cp27*
          - cp36*
          - cp37*
          - cp38*
          - cp39*
    steps:
      - name: checkout pyyaml
        uses: actions/checkout@v2

      - name: get cached libyaml state
        id: cached_libyaml
        uses: actions/cache@v2
        with:
          path: |
            libyaml
          key: libyaml_${{ matrix.platform }}_${{ matrix.arch }}_${{ env.LIBYAML_REF }}

      - name: ensure libyaml fetched
        run: exit 1
        if: steps.cached_libyaml.outputs.cache-hit != 'true'

      - name: install a python
        uses: actions/setup-python@v2
        with:
          python-version: 3.x

      - name: build/test/package
        env:
          CIBW_BUILD: ${{ matrix.python_tag }}
          CIBW_BUILD_VERBOSITY: 1
        run: |
          bash ./packaging/build/macos.sh

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