name: CI
on:
  push:
    paths-ignore:
      - 'docs/**'
      - '*.md'
      - '.mailmap'
  workflow_dispatch:

permissions:
  contents: read

jobs:
  linux:
    name: ${{ matrix.compiler }} on ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        compiler: [g++-8, g++-9, g++-10, g++-11,
                   clang++-7, clang++-8, clang++-9, clang++-10, clang++-11, clang++-12]
        os: [ubuntu-20.04]
        include:
          - compiler: g++-7
            os: ubuntu-18.04
          - compiler: clang++-6.0
            os: ubuntu-18.04
    runs-on: ${{ matrix.os }}
    env:
      CXX: ${{ matrix.compiler }}
    steps:
      - name: Install C++ compiler
        run: |
          sudo apt-get -qy install ${CXX/clang++/clang}
          ${CXX} --version
      - name: Checkout
        uses: actions/checkout@v3
      - name: Build and test
        run: ./.jenkins

  macos:
    name: Xcode ${{ matrix.xcode }} on ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        xcode: ['11.3', '11.7', '12.4']
        os: [macos-10.15]
        include:
          - xcode: '12.5'
            os: macos-11
          - xcode: '13.2'
            os: macos-11
    runs-on: ${{ matrix.os }}
    steps:
      - name: Set up Xcode
        uses: maxim-lobanov/setup-xcode@v1
        with:
          xcode-version: ${{ matrix.xcode }}
      - name: Checkout
        uses: actions/checkout@v3
      - name: Build and test
        run: ./.jenkins