build-linux-prebuilt.yml

name: build Linux prebuilt

on:
  workflow_dispatch:
  pull_request:
    types:
      - labeled

permissions:
  contents: read

concurrency:
  group: build-linux-prebuilt-${{ github.ref }}
  cancel-in-progress: false

env:
  PROTON_NO_UPDATE_CHECK: 1
  PROTON_CEF_CACHE: ${{ github.workspace }}/.proton-global-cache
  PROTON_PREBUILT_SOURCE_SHA: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}

jobs:
  build:
    if: ${{ github.event_name == 'workflow_dispatch' || github.event.label.name == 'build-prebuilt' }}
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v6
        with:
          ref: ${{ env.PROTON_PREBUILT_SOURCE_SHA }}

      - name: Cache MoonBit packages
        uses: actions/cache@v4
        with:
          path: .mooncakes
          key: Linux-prebuilt-mooncakes-${{ hashFiles('**/moon.mod') }}
          restore-keys: Linux-prebuilt-mooncakes-

      - name: Cache CEF downloads
        uses: actions/cache@v4
        with:
          path: .proton-global-cache
          key: Linux-prebuilt-cef-${{ hashFiles('cli/cef/cef_platform.mbt') }}

      - name: Install MoonBit
        run: |
          curl -fsSL https://cli.moonbitlang.com/install/unix.sh | bash -s latest
          echo "$HOME/.moon/bin" >> "$GITHUB_PATH"

      - name: Install native dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y pkg-config libgtk-3-dev libwebkit2gtk-4.1-dev xvfb openbox

      - name: Resolve dependencies
        run: moon update

      - name: Set up CEF runtime
        run: moon -C cli run . -- -C .. cef setup

      - name: Build and install Release runtime
        run: |
          runtime="$RUNNER_TEMP/proton-runtime"
          platform=$(node -p "require('./.proton/runtime.json').platform")
          cef_root=$(node -p "require('./.proton/runtime.json').cef")
          test "$platform" = "linux-x64"
          cmake -S native -B native/build-prebuilt \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_INSTALL_PREFIX="$runtime" \
            -DPROTON_WITH_ENGINE=ON \
            -DPROTON_ENGINE_ROOT="$cef_root"
          cmake --build native/build-prebuilt --parallel
          cmake --install native/build-prebuilt --strip
          echo "PROTON_PREBUILT_RUNTIME=$runtime" >> "$GITHUB_ENV"

      - name: Test Release runtime
        run: |
          xvfb-run -a sh -c \
            'openbox & sleep 1; ctest --test-dir native/build-prebuilt --output-on-failure'
          node native/scripts/verify_link_config.mjs "$PROTON_PREBUILT_RUNTIME"

      - name: Stage package prebuilt
        run: |
          destination="$PWD/proton/prebuilt/linux-x64"
          install -d "$destination/bin" "$destination/include" "$destination/lib"
          install -m 755 "$PROTON_PREBUILT_RUNTIME/bin/cef_process" \
            "$destination/bin/cef_process"
          install -m 644 "$PROTON_PREBUILT_RUNTIME/include/proton_native.h" \
            "$destination/include/proton_native.h"
          install -m 755 "$PROTON_PREBUILT_RUNTIME/lib/libproton.so" \
            "$destination/lib/libproton.so"
          install -m 644 "$PROTON_PREBUILT_RUNTIME/manifest.json" \
            "$destination/manifest.json"

      - name: Verify package prebuilt ABI
        run: node scripts/verify_prebuilt_abi.mjs linux-x64

      # upload-artifact does not preserve Unix executable modes. Keep the
      # staged directory in a tar archive so cef_process remains executable.
      - name: Archive Linux prebuilt
        run: |
          tar -C proton/prebuilt -czf \
            "$RUNNER_TEMP/proton-prebuilt-linux-x64-${PROTON_PREBUILT_SOURCE_SHA}.tar.gz" \
            linux-x64

      - name: Upload Linux prebuilt
        uses: actions/upload-artifact@v4
        with:
          name: proton-prebuilt-linux-x64-${{ env.PROTON_PREBUILT_SOURCE_SHA }}
          path: ${{ runner.temp }}/proton-prebuilt-linux-x64-${{ env.PROTON_PREBUILT_SOURCE_SHA }}.tar.gz
          if-no-files-found: error
          retention-days: 14
          compression-level: 0