.github/workflows/main.yml

name: Build & Test

on:
  push:
    branches:
      - master
  pull_request:

jobs:
  build-test:
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            llvm_version: 10
          - os: ubuntu-latest
            llvm_version: 11
          - os: windows-latest
            llvm_version: 11
            llvm_archive: llvm-11.0.0-x86_64-windows-msvc-release-md

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v2

      - name: Get Bazel cache dir
        id: bazel-cache
        run: |
          echo "::set-output name=bazel-cache-dir::$(bazel info output_base)"

      - name: Mount Bazel cache
        uses: actions/cache@v2
        with:
          path: |
            ${{ steps.bazel-cache.outputs.bazel-cache-dir }}
            !${{ steps.bazel-cache.outputs.bazel-cache-dir }}/java.log.*
          key: ${{ runner.os }}-bazel-${{ matrix.llvm_version }}

      - name: Setup LLVM (Linux)
        if: matrix.os == 'ubuntu-latest'
        run: |
          wget https://apt.llvm.org/llvm.sh
          chmod +x ./llvm.sh
          sudo ./llvm.sh ${{ matrix.llvm_version }}
          sudo apt install -y llvm-${{ matrix.llvm_version }}-dev libclang-${{ matrix.llvm_version }}-dev liblldb-${{ matrix.llvm_version }}-dev
          echo "LLVM_INSTALL_PATH=/usr/lib/llvm-${{ matrix.llvm_version }}" >> $GITHUB_ENV
          echo "CC=gcc-10" >> $GITHUB_ENV
          echo "CXX=g++-10" >> $GITHUB_ENV

      - name: Setup LLVM (Windows)
        if: matrix.os == 'windows-latest'
        run: |
          C:\msys64\usr\bin\wget.exe -q "https://github.com/google/lldb-eval/releases/download/llvm-11/${{ matrix.llvm_archive }}.7z"
          7z x -y "${{ matrix.llvm_archive }}.7z"
          echo "LLVM_INSTALL_PATH=$pwd/${{ matrix.llvm_archive }}" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8
          
          C:\msys64\usr\bin\wget.exe -q "https://github.com/microsoft/STL/files/5453503/GH-1300.diff.txt"
          git apply --unsafe-paths -p6 --directory="C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Tools\MSVC\14.28.29333\include" "GH-1300.diff.txt" 

      - name: Build
        run: bazel build ...:all

      - name: Test
        run: bazel test --test_output=errors ...:all

      - name: Shutdown
        run: bazel shutdown