name: macOS CI

on: [pull_request]

jobs:
  build:
    name: ${{ matrix.name }} ${{ matrix.build_type }}
    runs-on: ${{ matrix.os }}

    env:
      CTEST_OUTPUT_ON_FAILURE: ON
      CTEST_PARALLEL_LEVEL: 2
      CMAKE_BUILD_TYPE: ${{ matrix.build_type }}
      GTSAM_BUILD_UNSTABLE: ${{ matrix.build_unstable }}
    strategy:
      fail-fast: false
      matrix:
        # Github Actions requires a single row to be added to the build matrix.
        # See https://help.github.com/en/articles/workflow-syntax-for-github-actions.
        name: [
          macOS-10.15-xcode-11.3.1,
        ]

        build_type: [Debug, Release]
        build_unstable: [ON]
        include:
          - name: macOS-10.15-xcode-11.3.1
            os: macOS-10.15
            compiler: xcode
            version: "11.3.1"

    steps:
      - name: Checkout
        uses: actions/checkout@master
      - name: Install (macOS)
        if: runner.os == 'macOS'
        run: |
          brew tap ProfFan/robotics
          brew install cmake ninja
          brew install ProfFan/robotics/boost
          if [ "${{ matrix.compiler }}" = "gcc" ]; then
            brew install gcc@${{ matrix.version }}
            echo "CC=gcc-${{ matrix.version }}" >> $GITHUB_ENV
            echo "CXX=g++-${{ matrix.version }}" >> $GITHUB_ENV
          else
            sudo xcode-select -switch /Applications/Xcode_${{ matrix.version }}.app
            echo "CC=clang" >> $GITHUB_ENV
            echo "CXX=clang++" >> $GITHUB_ENV
          fi
      - name: Build and Test (macOS)
        if: runner.os == 'macOS'
        run: |
          bash .github/scripts/unix.sh -t
      - name: Upload build directory
        uses: actions/upload-artifact@v2
          with:
            name: gtsam-${{ matrix.name }}
            path: $GITHUB_WORKSPACE/build/