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

        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 -t -d --rm
        --name worker
        -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
...