name: test chibios

on: [push, pull_request]
# paths:
# - "*"
# - "!README.md" <-- don't rebuild on doc change

jobs:
  build:
    runs-on: ubuntu-20.04
    container: khancyr/ardupilot-dev-${{ matrix.toolchain }}:latest
    strategy:
      fail-fast: false  # don't cancel if a job from the matrix fails
      matrix:
        config: [
            stm32f7,
            stm32h7,
            fmuv2-plane,
            periph-build,
            iofirmware,
            CubeOrange-bootloader,
            revo-bootloader
        ]
        toolchain: [
            chibios,  # GCC-6
            chibios-clang,
        ]
        gcc: [6, 9]
        exclude:
          - gcc: 9
            toolchain: chibios-clang

    steps:
      # git checkout the PR
      - uses: actions/checkout@v2
        with:
          submodules: 'recursive'
      # Put ccache into github cache for faster build
      - name: Prepare ccache timestamp
        id: ccache_cache_timestamp
        run: |
          NOW=$(date -u +"%F-%T")
          echo "::set-output name=timestamp::${NOW}"
      - name: ccache cache files
        uses: actions/cache@v2
        with:
          path: ~/.ccache
          key: ${{github.workflow}}-ccache-${{matrix.config}}-${{ matrix.toolchain }}-${{ matrix.gcc }}-${{steps.ccache_cache_timestamp.outputs.timestamp}}
          restore-keys: ${{github.workflow}}-ccache-${{matrix.config}}-${{ matrix.toolchain }}-${{ matrix.gcc }}  # restore ccache from either previous build on this branch or on master
      - name: setup ccache
        run: |
          mkdir -p ~/.ccache
          echo "base_dir = ${GITHUB_WORKSPACE}" > ~/.ccache/ccache.conf
          echo "compression = true" >> ~/.ccache/ccache.conf
          echo "compression_level = 6" >> ~/.ccache/ccache.conf
          echo "max_size = 400M" >> ~/.ccache/ccache.conf
          ccache -s
          ccache -z
      - name: test ${{matrix.config}} ${{ matrix.toolchain }} gcc-${{matrix.gcc}}
        env:
          CI_BUILD_TARGET: ${{matrix.config}}
        shell: bash
        run: |
          if [[ ${{ matrix.toolchain }} = "chibios-clang" ]]; then
            export CC=clang-7
            export CXX=clang++-7
          fi
          PATH="/usr/lib/ccache:/opt/gcc-arm-none-eabi-${{matrix.gcc}}/bin:$PATH"
          PATH="/github/home/.local/bin:$PATH"
          Tools/scripts/build_ci.sh
          ccache -s
          ccache -z