name: build

on:
  push:
  schedule:
    - cron: '0 0 * * 1'

defaults:
  run:
    shell: bash --noprofile --norc -exo pipefail {0}

jobs:
  build:
    name: ${{ join(matrix.config.*, '-') }}
    runs-on: ${{ matrix.config.os }}
    env:
      AARCH64: ${{ matrix.config.cross == 'aarch64' }}
      ABI_CHECKS: ${{ contains(matrix.config.checks, 'abi') }}
      BUILD_32BIT: ${{ matrix.config.cross == 'i386' }}
      BUILD_DOCS: ${{ contains(matrix.config.checks, 'doc') }}
      CC: ccache ${{ matrix.config.compiler }}
      DEF_LIB: ${{ matrix.config.library }}
      LIBABIGAIL_VERSION: libabigail-1.8
      REF_GIT_TAG: v21.05
      RUN_TESTS: ${{ contains(matrix.config.checks, 'tests') }}

    strategy:
      fail-fast: false
      matrix:
        config:
          - os: ubuntu-18.04
            compiler: gcc
            library: static
          - os: ubuntu-18.04
            compiler: gcc
            library: shared
            checks: abi+doc+tests
          - os: ubuntu-18.04
            compiler: clang
            library: static
          - os: ubuntu-18.04
            compiler: clang
            library: shared
            checks: doc+tests
          - os: ubuntu-18.04
            compiler: gcc
            library: static
            cross: i386
          - os: ubuntu-18.04
            compiler: gcc
            library: static
            cross: aarch64
          - os: ubuntu-18.04
            compiler: gcc
            library: shared
            cross: aarch64

    steps:
    - name: Checkout sources
      uses: actions/checkout@v2
    - name: Generate cache keys
      id: get_ref_keys
      run: |
        echo -n '::set-output name=ccache::'
        echo 'ccache-${{ matrix.config.os }}-${{ matrix.config.compiler }}-${{ matrix.config.cross }}-'$(date -u +%Y-w%W)
        echo -n '::set-output name=libabigail::'
        echo 'libabigail-${{ matrix.config.os }}'
        echo -n '::set-output name=abi::'
        echo 'abi-${{ matrix.config.os }}-${{ matrix.config.compiler }}-${{ matrix.config.cross }}-${{ env.LIBABIGAIL_VERSION }}-${{ env.REF_GIT_TAG }}'
    - name: Retrieve ccache cache
      uses: actions/cache@v2
      with:
        path: ~/.ccache
        key: ${{ steps.get_ref_keys.outputs.ccache }}-${{ github.ref }}
        restore-keys: |
          ${{ steps.get_ref_keys.outputs.ccache }}-refs/heads/main
    - name: Retrieve libabigail cache
      id: libabigail-cache
      uses: actions/cache@v2
      if: env.ABI_CHECKS == 'true'
      with:
        path: libabigail
        key: ${{ steps.get_ref_keys.outputs.libabigail }}
    - name: Retrieve ABI reference cache
      uses: actions/cache@v2
      if: env.ABI_CHECKS == 'true'
      with:
        path: reference
        key: ${{ steps.get_ref_keys.outputs.abi }}
    - name: Update APT cache
      run: sudo apt update || true
    - name: Install packages
      run: sudo apt install -y ccache libnuma-dev python3-setuptools
        python3-wheel python3-pip python3-pyelftools ninja-build libbsd-dev
        libpcap-dev libibverbs-dev libcrypto++-dev libfdt-dev libjansson-dev
        libarchive-dev
    - name: Install libabigail build dependencies if no cache is available
      if: env.ABI_CHECKS == 'true' && steps.libabigail-cache.outputs.cache-hit != 'true'
      run: sudo apt install -y autoconf automake libtool pkg-config libxml2-dev
          libdw-dev
    - name: Install i386 cross compiling packages
      if: env.BUILD_32BIT == 'true'
      run: sudo apt install -y gcc-multilib
    - name: Install aarch64 cross compiling packages
      if: env.AARCH64 == 'true'
      run: sudo apt install -y gcc-aarch64-linux-gnu libc6-dev-arm64-cross
        pkg-config-aarch64-linux-gnu
    - name: Install test tools packages
      if: env.AARCH64 != 'true' || env.RUN_TESTS == 'true'
      run: sudo apt install -y gdb
    - name: Install doc generation packages
      if: env.BUILD_DOCS == 'true'
      run: sudo apt install -y doxygen graphviz python3-sphinx
        python3-sphinx-rtd-theme
    - name: Run setup
      run: |
        .ci/linux-setup.sh
        # Workaround on $HOME permissions as EAL checks them for plugin loading
        chmod o-w $HOME
    - name: Build and test
      run: .ci/linux-build.sh
    - name: Upload logs on failure
      if: failure()
      uses: actions/upload-artifact@v2
      with:
        name: meson-logs-${{ join(matrix.config.*, '-') }}
        path: |
          build/meson-logs/testlog.txt
          build/.ninja_log
          build/meson-logs/meson-log.txt
          build/gdb.log