ocelot-desktop: init at 1.13.1

{

  lib,

  stdenv,

  fetchurl,

  makeBinaryWrapper,

  makeDesktopItem,

  copyDesktopItems,

  jre,

  # deps

  alsa-lib,

  libjack2,

  libpulseaudio,

  pipewire,

  libGL,

  libX11,

  libXcursor,

  libXext,

  libXrandr,

  libXxf86vm,

  # runtime (path)

  xrandr,

  # native

  unzip,

}:

stdenv.mkDerivation (finalAttrs: {

  pname = "ocelot-desktop";

  version = "1.13.1";

  __darwinAllowLocalNetworking = true;

  # Cannot build from source because sbt/scala support is completely non-existent in nixpkgs

  src = fetchurl {

    url = "https://gitlab.com/api/v4/projects/9941848/packages/generic/ocelot-desktop/v${finalAttrs.version}/ocelot-desktop-v${finalAttrs.version}.jar";

    hash = "sha256-aXjz2H4vO8D7BGHxhanbmpxqd8op31v1Gwk/si4CBfg=";

  };

  dontUnpack = true;

  dontConfigure = true;

  dontBuild = true;

  preferLocal = true;

  nativeBuildInputs = [

    makeBinaryWrapper

    copyDesktopItems

    unzip

  ];

  installPhase =

    let

      # does darwin need any deps?

      runtimeLibs = lib.optionals stdenv.hostPlatform.isLinux [

        # openal

        alsa-lib

        libjack2

        libpulseaudio

        pipewire

        # lwjgl

        libGL

        libX11

        libXcursor

        libXext

        libXrandr

        libXxf86vm

      ];

      runtimePrograms = lib.optionals stdenv.hostPlatform.isLinux [

        # https://github.com/LWJGL/lwjgl/issues/128

        xrandr

      ];

    in

    ''

      runHook preInstall

      mkdir -p $out/{bin,share/${finalAttrs.pname}}

      install -Dm644 ${finalAttrs.src} $out/share/${finalAttrs.pname}/ocelot-desktop.jar

      makeBinaryWrapper ${jre}/bin/java $out/bin/ocelot-desktop \

        --set JAVA_HOME ${jre.home} \

        --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath runtimeLibs}" \

        --prefix PATH : "${lib.makeBinPath runtimePrograms}" \

        --add-flags "-jar $out/share/${finalAttrs.pname}/ocelot-desktop.jar"

      # copy icons from zip file

      # ocelot/desktop/images/icon*.png

      # 16,32,64,128,256

      for size in 16 32 64 128 256; do

        mkdir -p $out/share/icons/hicolor/"$size"x"$size"/apps

        unzip -p $out/share/${finalAttrs.pname}/ocelot-desktop.jar \

          ocelot/desktop/images/icon"$size".png > $out/share/icons/hicolor/"$size"x"$size"/apps/ocelot-desktop.png

      done

      runHook postInstall

    '';

  desktopItems = [

    (makeDesktopItem {

      name = "ocelot-desktop";

      desktopName = "Ocelot Desktop";

      genericName = "OpenComputers Emulator";

      comment = "An advanced OpenComputers emulator";

      tryExec = "ocelot-desktop";

      exec = "ocelot-desktop -w %f";

      icon = "ocelot-desktop";

      startupNotify = true;

      startupWMClass = "Ocelot Desktop"; # (maybe broken)

      terminal = false;

      keywords = [

        "Ocelot"

        "OpenComputers"

        "Emulator"

        "oc"

        "lua"

        "OpenOS"

        "ocemu"

        "mc"

        "Minecraft"

      ];

      categories = [

        "Development"

        "Emulator"

      ];

      mimeTypes = [

        "inode/directory"

      ];

    })

  ];

  meta = {

    description = "An advanced OpenComputers emulator";

    homepage = "https://ocelot.fomalhaut.me/desktop";

    changelog = "https://gitlab.com/cc-ru/ocelot/ocelot-desktop/-/releases/v${finalAttrs.version}";

    license = lib.licenses.mit;

    mainProgram = "ocelot-desktop";

    platforms = with lib.platforms; linux ++ darwin;

    badPlatforms = [

      # missing compatible lwjgl.dylib

      "aarch64-darwin"

    ];

    maintainers = with lib.maintainers; [ griffi-gh ];

    sourceProvenance = with lib.sourceTypes; [ binaryBytecode ];

  };

})