name: test unit tests and sitl building

on: [push, pull_request, workflow_dispatch]
# paths:
# - "*"
# - "!README.md" <-- don't rebuild on doc change
concurrency:
  group: ci-${{github.workflow}}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-20.04
    container:
      image: ardupilot/ardupilot-dev-${{ matrix.toolchain }}:latest
      options: --user 1001
    strategy:
      fail-fast: false  # don't cancel if a job from the matrix fails
      matrix:
        toolchain: [
            base,  # GCC
            clang,
        ]
        config: [
            unit-tests,
            sitl
            # examples,
        ]
    steps:
      # git checkout the PR
      - uses: actions/checkout@v3
        with:
          submodules: 'recursive'
      # Put ccache into github cache for faster build
      - name: Prepare ccache timestamp
        id: ccache_cache_timestamp
        run: |
          NOW=$(date -u +"%F-%T")
          echo "timestamp=${NOW}" >> $GITHUB_OUTPUT
      - name: ccache cache files
        uses: actions/cache@v3
        with:
          path: ~/.ccache
          key: ${{github.workflow}}-ccache-${{ matrix.toolchain }}-${{steps.ccache_cache_timestamp.outputs.timestamp}}
          restore-keys: ${{github.workflow}}-ccache-${{ matrix.toolchain }}-  # restore ccache from either previous build on this branch or on master
      - name: setup ccache
        run: |
          . .github/workflows/ccache.env
      - name: test ${{matrix.config}} ${{ matrix.toolchain }}
        env:
          CI_BUILD_TARGET: ${{matrix.config}}
        shell: 'script -q -e -c "bash {0}"'
        run: |
          git config --global --add safe.directory ${GITHUB_WORKSPACE}
          if [[ ${{ matrix.toolchain }} == "clang" ]]; then
            export CC=clang
            export CXX=clang++
          fi
          PATH="/github/home/.local/bin:$PATH"
          Tools/scripts/build_ci.sh

      - name: Archive buildlog artifacts
        uses: actions/upload-artifact@v3
        if: failure()
        with:
           name: fail-${{ matrix.toolchain }}-${{matrix.config}}
           path: /tmp/buildlogs
           retention-days: 14