name: ubuntu-latest-clang-ci

on:
  push:
    branches:
      - master
      - feature/**
      - improvement/**
      - bugfix/**

  pull_request:
    branches:
      - master
      - feature/**
      - improvement/**
      - bugfix/**

jobs:
  clang_tests:
    if: >-
      ! contains(toJSON(github.event.commits.*.message), '[skip ci]') &&
      ! contains(toJSON(github.event.commits.*.message), '[skip github]')

    strategy:
      matrix:
        version: [11, 10, 9, 8, 7]

    runs-on: ubuntu-latest

    name: Clang ${{ matrix.version }}

    container:
      image: teeks99/clang-ubuntu:${{ matrix.version }}

      options: -v /usr/local:/host_usr_local

    env:
      CC: clang-${{ matrix.version }}
      CXX: clang++-${{ matrix.version }}
      CXXFLAGS: -stdlib=libc++

    steps:
      - uses: actions/checkout@v1

      - uses: friendlyanon/fetch-core-count@v1
        id: cores

      - name: CMake
        run: echo "/host_usr_local/bin" >> $GITHUB_PATH

      - name: Install dependencies
        run: |
          apt-get update
          apt-get install -y git
          script/ci_install_deps.sh

      - name: Configure
        run: cmake -S test -B build -D CMAKE_BUILD_TYPE=Debug

      - name: Build
        run: cmake --build build -j ${{ steps.cores.outputs.count }}

      - name: Run
        working-directory: build
        run: ctest --output-on-failure -j ${{ steps.cores.outputs.count }}