name: CI

on:
  push:
    branches: [main]
    paths-ignore: ['README.md', 'LICENSES/**']
  pull_request:
    paths-ignore: ['README.md', 'LICENSES/**']

jobs:
  build:
    # Arch Linux only ships x86_64 images, so pick an amd64 runner.
    runs-on: amd64
    # Arch with the build dependencies preinstalled; see ci-image.yml.
    container: git.trivk.dev/tri/qtpotato-ci:latest
    env:
      CCACHE_DIR: ${{ github.workspace }}/.ccache
      # Keep hits across weekly image rebuilds when the compiler did not change.
      CCACHE_COMPILERCHECK: content
      CCACHE_MAXSIZE: 500M
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: .ccache
          key: ccache-${{ github.sha }}
          restore-keys: ccache-
      - name: Configure
        # The tests do not load QML, so skip QML cachegen and debug info: they take over
        # half of the build. Release and AUR builds keep both.
        run: |
          cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS_DEBUG=-O0 \
              -DQT_QML_NO_CACHEGEN=ON -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DBUILD_TESTING=ON
      - name: Build
        run: |
          ccache -z
          cmake --build build
          ccache -s
      - name: Test
        env:
          QT_QPA_PLATFORM: offscreen
        run: ctest --test-dir build --output-on-failure