main.yml

name: CI

on:
  pull_request:
    branches: [ thewarwithin ]
  push:
    branches: [ thewarwithin ]
    paths-ignore:
      - 'ActionPriorityLists/**'
      - 'SpellDataDump/*.txt'
      - 'dbc_extract3/**'
      - 'casc_extract/**'

env:
  SIMC_PROFILE: profiles/CI.simc
  CCACHE_COMPRESS: true # always enable ccache compression
  ccache-generation: 0 # bump if you need to "clean" ccache
  # For PR, github.sha is the merge commit, workaround for cache hits on spec test workflows
  BINARY_CACHE_SHA: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}

jobs:
  ubuntu-clang-build:
    name: ubuntu-build-${{ matrix.compiler }}-C++${{ matrix.cppVersion }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        cppVersion: [17]
        compiler: [clang++-15]
        include:
          - compiler: clang++-15
            os: ubuntu-22.04
            packages: clang-15 lld-15
            enable_file_prefix_map: true

    steps:
      - uses: actions/checkout@v4

      - uses: actions/cache@v4
        env: { ccache-prefix: 'ubuntu-${{ matrix.compiler }}-cpp-${{ matrix.cppVersion }}-ccache-${{ env.ccache-generation }}' }
        with:
          path: ${{ runner.workspace }}/.ccache
          key: ${{ env.ccache-prefix }}-${{ github.sha }}
          restore-keys: ${{ env.ccache-prefix }}-

      - name: Install deps
        run: |
          sudo apt-get update
          sudo apt-get install -y libcurl4-openssl-dev ninja-build ccache ${{ matrix.packages }}

      - name: Configure
        env:
          UBSAN_STRIP_COUNT: "`echo \"${{ runner.workspace }}//\" | grep -o '/' - | wc -l`"
        run: cmake -H. -B'${{ runner.workspace }}/b/ninja' -GNinja -DBUILD_GUI=OFF
              -DCMAKE_BUILD_TYPE=Debug
              -DCMAKE_CXX_COMPILER=${{ matrix.compiler }}
              -DCMAKE_CXX_FLAGS="-Og ${{ matrix.enable_file_prefix_map && format('-ffile-prefix-map={0}/=/', runner.workspace) || ''}}
                -fno-omit-frame-pointer -fsanitize=address,undefined
                -fsanitize-undefined-strip-path-components=$UBSAN_STRIP_COUNT"
              -DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld -fsanitize=address,undefined"
              -DCMAKE_CXX_STANDARD=${{ matrix.cppVersion }}
              -DCMAKE_CXX_COMPILER_LAUNCHER=ccache

      - name: Build
        env:
          CCACHE_BASEDIR: ${{ runner.workspace }}
          CCACHE_DIR: ${{ runner.workspace }}/.ccache
          CCACHE_MAXSIZE: 256M # full build consumes around ~124, ~2x that to be safe
        run: |
          ccache -z
          ninja -C '${{ runner.workspace }}/b/ninja'
          ccache -s

      - uses: actions/cache@v4
        with:
          path: |
            ${{ runner.workspace }}/b/ninja/simc
            profiles
            tests
            generate_profiles_ci.sh
            .git
          key: ubuntu-${{ matrix.compiler }}-for_run-${{ env.BINARY_CACHE_SHA }}-cpp-${{ matrix.cppVersion }}