minecraft-launcher/.github/workflows/build.yml

name: Build

on:
  push:
    tags:
      - 'v*.*.*'
  workflow_dispatch:

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            name: linux-x64
            archive: tar.gz
          - os: windows-latest
            name: windows-x64
            archive: zip
          - os: macos-14
            name: macos-arm64
            archive: zip

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v4

      - name: Set up Java 21
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: '21'

      - name: Set up Qt 6
        uses: jurplel/install-qt-action@v4
        with:
          version: '6.7.2'
          modules: 'qt5compat qtimageformats qtnetworkauth'
          cache: true

      # ---------- Linux ----------
      - name: Linux deps
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            extra-cmake-modules \
            libarchive-dev \
            libqrencode-dev \
            libtomlplusplus-dev \
            libvulkan-dev \
            gamemode-dev \
            zlib1g-dev \
            libgl1-mesa-dev \
            ninja-build \
            scdoc          

      - name: Build cmark from source (Linux)
        if: runner.os == 'Linux'
        run: |
          git clone --depth=1 --branch 0.31.0 https://github.com/commonmark/cmark.git /tmp/cmark
          cmake -B /tmp/cmark/build -S /tmp/cmark -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local -DCMARK_TESTS=OFF
          sudo cmake --build /tmp/cmark/build -j --target install          

      # ---------- macOS ----------
      - name: macOS deps
        if: runner.os == 'macOS'
        run: |
          brew install \
            extra-cmake-modules \
            cmark \
            libarchive \
            qrencode \
            tomlplusplus \
            ninja
          echo "PKG_CONFIG_PATH=$(brew --prefix libarchive)/lib/pkgconfig" >> $GITHUB_ENV
          echo "LibArchive_ROOT=$(brew --prefix libarchive)" >> $GITHUB_ENV          

      # ---------- Windows ----------
      - name: Windows — set up vcpkg
        if: runner.os == 'Windows'
        uses: lukka/run-vcpkg@v11
        with:
          vcpkgGitCommitId: '2d6a6cf3ac9a7cc93942c3d289a2f9c661a6f4a7'

      # ---------- Configure / Build ----------
      - name: Configure (Linux/macOS)
        if: runner.os != 'Windows'
        run: cmake -B build -S . -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install -DLauncher_BUILD_PLATFORM=racked-portable -DBUILD_TESTING=OFF -DLauncher_ENABLE_JAVA_DOWNLOADER=ON

      - name: Configure (Windows)
        if: runner.os == 'Windows'
        run: cmake -B build -S . -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install -DLauncher_BUILD_PLATFORM=racked-portable -DBUILD_TESTING=OFF -DLauncher_ENABLE_JAVA_DOWNLOADER=ON -DCMAKE_TOOLCHAIN_FILE="${{ github.workspace }}/vcpkg/scripts/buildsystems/vcpkg.cmake"

      - name: Build
        run: cmake --build build -j --config Release

      - name: Install
        run: |
          cmake --install build --config Release
          cmake --install build --config Release --component portable          

      - name: Strip user data (safety)
        shell: bash
        run: |
          find install -type f \( \
            -name "accounts.json" -o \
            -name "*.cfg" -prune -o \
            -name "launcher.cfg" -o \
            -name "prismlauncher.cfg" -o \
            -name "instance.cfg" \
          \) -delete 2>/dev/null || true
          rm -rf install/{instances,metacache,cache,logs,iconthemes,catpacks,skins,assets/objects,libraries,java}
          # keep portable.txt + qtlogging.ini
          true          

      - name: Deploy Qt (Linux)
        if: runner.os == 'Linux'
        run: |
          # Bundle Qt libs alongside the binary for portability
          mkdir -p install/lib
          ldd install/bin/launcher | awk '/Qt6/ {print $3}' | xargs -I {} cp -L {} install/lib/ || true          

      - name: Deploy Qt (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          windeployqt --release --no-translations install\launcher.exe          

      - name: Deploy Qt (macOS)
        if: runner.os == 'macOS'
        run: |
          macdeployqt install/Launcher.app -always-overwrite || true          

      # ---------- Package ----------
      - name: Package (Linux)
        if: runner.os == 'Linux'
        run: |
          mv install minecraft-launcher
          tar czf minecraft-launcher-${{ matrix.name }}.tar.gz minecraft-launcher          

      - name: Package (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          Move-Item install minecraft-launcher
          Compress-Archive -Path minecraft-launcher -DestinationPath minecraft-launcher-${{ matrix.name }}.zip          

      - name: Package (macOS)
        if: runner.os == 'macOS'
        run: |
          mv install minecraft-launcher
          zip -r minecraft-launcher-${{ matrix.name }}.zip minecraft-launcher          

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: minecraft-launcher-${{ matrix.name }}
          path: minecraft-launcher-${{ matrix.name }}.${{ matrix.archive }}

  release:
    needs: build
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/')
    permissions:
      contents: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          path: artifacts
          merge-multiple: true

      - name: Create Release
        uses: softprops/action-gh-release@v2
        with:
          files: artifacts/*
          generate_release_notes: true