name: 🐧 Linux Cross-Compiled AppImage

on:
  workflow_call:
  workflow_dispatch:

jobs:
  build:
    name: "Build"
    strategy:
      fail-fast: true
      matrix:
        arch: ["arm64", "armhf"]

    runs-on: ubuntu-22.04
    container:
      image: ghcr.io/duckstation/cross-build-${{ matrix.arch }}:latest

    timeout-minutes: 120
    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Cache Dependencies
      id: cache-deps
      uses: actions/cache@v4
      with:
        path: ~/deps
        key: deps-cross ${{ matrix.arch }} ${{ hashFiles('scripts/deps/build-dependencies-linux.sh', 'scripts/deps/build-dependencies-linux-cross.sh') }}

    - name: Build Dependencies
      if: steps.cache-deps.outputs.cache-hit != 'true'
      run: |
        scripts/deps/build-dependencies-linux.sh -skip-cleanup "$HOME/deps/host"
        scripts/deps/build-dependencies-linux-cross.sh -skip-download "$HOME/deps/host" "${{ matrix.arch }}" "/${{ matrix.arch }}-chroot" "$HOME/deps/cross"

    # Work around container ownership issue
    - name: Set Safe Directory
      shell: bash
      run: git config --global --add safe.directory "*"

    - name: Create Binary Aliases
      run: |
        ln -s llvm-strip-19 /usr/bin/llvm-strip

    - name: Set Up Toolchain File
      run: |
        cp "$HOME/deps/cross/toolchain.cmake" "$HOME/toolchain.cmake"
        echo 'set(CMAKE_C_COMPILER clang-19)' >> "$HOME/toolchain.cmake"
        echo 'set(CMAKE_C_COMPILER_AR llvm-ar-19)' >> "$HOME/toolchain.cmake"
        echo 'set(CMAKE_C_COMPILER_RANLIB llvm-ranlib-19)' >> "$HOME/toolchain.cmake"
        echo 'set(CMAKE_CXX_COMPILER clang++-19)' >> "$HOME/toolchain.cmake"
        echo 'set(CMAKE_CXX_COMPILER_AR llvm-ar-19)' >> "$HOME/toolchain.cmake"
        echo 'set(CMAKE_CXX_COMPILER_RANLIB llvm-ranlib-19)' >> "$HOME/toolchain.cmake"
        echo 'set(CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=lld")' >> "$HOME/toolchain.cmake"
        echo 'set(CMAKE_MODULE_LINKER_FLAGS_INIT "-fuse-ld=lld")' >> "$HOME/toolchain.cmake"
        echo 'set(CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=lld")' >> "$HOME/toolchain.cmake"

    - name: Initialize Build Tag
      run: |
        echo '#pragma once' > src/scmversion/tag.h

    - name: Set Build Tag Asset
      if: github.ref == 'refs/heads/master' || github.ref == 'refs/heads/dev'
      run: |
        echo '#define SCM_RELEASE_ASSET "DuckStation-${{ matrix.arch }}.AppImage"' >> src/scmversion/tag.h
        echo '#define SCM_RELEASE_TAGS {"latest", "preview"}' >> src/scmversion/tag.h

    - name: Tag as Preview Release
      if: github.ref == 'refs/heads/master'
      run: |
        echo '#define SCM_RELEASE_TAG "preview"' >> src/scmversion/tag.h

    - name: Tag as Rolling Release
      if: github.ref == 'refs/heads/dev'
      run: |
        echo '#define SCM_RELEASE_TAG "latest"' >> src/scmversion/tag.h

    - name: Download Patch Archives
      shell: bash
      run: |
        cd data/resources
        curl -LO "https://github.com/duckstation/chtdb/releases/download/latest/cheats.zip"
        curl -LO "https://github.com/duckstation/chtdb/releases/download/latest/patches.zip"

    - name: Generate CMake
      shell: bash
      run: |
        cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON -DCMAKE_TOOLCHAIN_FILE="$HOME/toolchain.cmake" -DLCONVERT_EXE="$HOME/deps/host/bin/lconvert" -DHOST_MIN_PAGE_SIZE=4096 -DHOST_MAX_PAGE_SIZE=16384 -DHOST_CACHE_LINE_SIZE=64 -DBUILD_QT_FRONTEND=ON -DBUILD_MINI_FRONTEND=ON

    - name: Compile Build
      shell: bash
      run: |
        cmake --build build --parallel
        scripts/packaging/appimage/make-cross-appimage.sh duckstation-qt ${{ matrix.arch }} "$(realpath build)" "$HOME/deps/cross" "/${{ matrix.arch }}-chroot"
        scripts/packaging/appimage/make-cross-appimage.sh -inject-libc duckstation-mini ${{ matrix.arch }} "$(realpath build)" "$HOME/deps/cross" "/${{ matrix.arch }}-chroot"

    - name: Upload AppImages
      uses: actions/upload-artifact@v4
      with:
        name: "linux-${{ matrix.arch }}-appimage"
        path: "DuckStation-*.AppImage"