name: 🐧 Linux Cross-Compiled AppImage

on:
  workflow_call:
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:
    name: "${{ matrix.arch }}"
    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: 240
    steps:
    - uses: actions/checkout@v6
      with:
        fetch-depth: 0

    - name: Download Dependencies
      run: |
        DEPS_VERSION=$(cat dep/PREBUILT-VERSION)
        cd dep/prebuilt
        curl --fail --retry 5 --retry-all-errors -LO "https://github.com/duckstation/dependencies/releases/download/$DEPS_VERSION/deps-linux-x64.tar.xz"
        curl --fail --retry 5 --retry-all-errors -LO "https://github.com/duckstation/dependencies/releases/download/$DEPS_VERSION/deps-linux-cross-${{matrix.arch}}.tar.xz"
        sha256sum --check --ignore-missing ../PREBUILT-SHA256SUMS
        tar -xf "deps-linux-x64.tar.xz"
        tar -xf "deps-linux-cross-${{matrix.arch}}.tar.xz"
        rm "deps-linux-x64.tar.xz" "deps-linux-cross-${{matrix.arch}}.tar.xz"

    - name: Download Patch Archives
      shell: bash
      run: |
        cd data/resources
        curl --retry 5 --retry-all-errors -LO "https://github.com/duckstation/chtdb/releases/download/latest/cheats.zip"
        curl --retry 5 --retry-all-errors -LO "https://github.com/duckstation/chtdb/releases/download/latest/patches.zip"

    # 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-22 /usr/bin/llvm-strip

    - name: Set Up Toolchain File
      run: |
        cp "dep/prebuilt/linux-cross-${{matrix.arch}}/toolchain.cmake" "$HOME/toolchain.cmake"
        echo "set(CMAKE_FIND_ROOT_PATH \"$PWD/dep/prebuilt/linux-cross-${{matrix.arch}};/${{matrix.arch}}-chroot\")" >> "$HOME/toolchain.cmake"
        echo "set(QT_HOST_PATH \"$PWD/dep/prebuilt/linux-x64\")" >> "$HOME/toolchain.cmake"
        echo "set(LCONVERT_EXE \"$PWD/dep/prebuilt/linux-x64/bin/lconvert\")" >> "$HOME/toolchain.cmake"
        echo "set(CMAKE_C_COMPILER clang-22)" >> "$HOME/toolchain.cmake"
        echo "set(CMAKE_C_COMPILER_AR llvm-ar-22)" >> "$HOME/toolchain.cmake"
        echo "set(CMAKE_C_COMPILER_RANLIB llvm-ranlib-22)" >> "$HOME/toolchain.cmake"
        echo "set(CMAKE_CXX_COMPILER clang++-22)" >> "$HOME/toolchain.cmake"
        echo "set(CMAKE_CXX_COMPILER_AR llvm-ar-22)" >> "$HOME/toolchain.cmake"
        echo "set(CMAKE_CXX_COMPILER_RANLIB llvm-ranlib-22)" >> "$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: Tag as Preview Release
      if: github.ref == 'refs/heads/master'
      run: |
        echo '#pragma once' > src/scmversion/tag.h
        echo '#define UPDATER_RELEASE_CHANNEL "preview"' >> src/scmversion/tag.h
        echo '#define UPDATER_RELEASE_IS_OFFICIAL 1' >> src/scmversion/tag.h

    - name: Tag as Stable Release
      if: github.ref == 'refs/heads/dev'
      run: |
        echo '#pragma once' > src/scmversion/tag.h
        echo '#define UPDATER_RELEASE_CHANNEL "latest"' >> src/scmversion/tag.h
        echo '#define UPDATER_RELEASE_IS_OFFICIAL 1' >> src/scmversion/tag.h

    - 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" -DHOST_MIN_PAGE_SIZE=4096 -DHOST_MAX_PAGE_SIZE=16384 -DHOST_CACHE_LINE_SIZE=64

    - name: Compile Build
      shell: bash
      run: |
        cmake --build build --parallel
        scripts/appimage/make-cross-appimage.sh "${{ matrix.arch }}" "$(realpath build)" "/${{ matrix.arch }}-chroot"

    - name: Upload AppImage
      uses: actions/upload-artifact@v7
      with:
        path: "DuckStation-${{ matrix.arch }}.AppImage"
        archive: false
        if-no-files-found: error