anchor.diff:      '';
   
       meta = with lib; {
  -      homepage = "https://github.com/coelckers/gzdoom";
  -      description =
  -        "A Doom source port based on ZDoom. It features an OpenGL renderer and lots of new features";
  -      license = licenses.gpl3;
  +      homepage = "https://github.com/ZDoom/gzdoom";
  +      description = "A Doom source port based on ZDoom. It features an OpenGL renderer and lots of new features";
  +      license = licenses.gpl3Plus;
         platforms = [ "x86_64-linux" ];
  -      maintainers = with maintainers; [ lassulus ];
  +      maintainers = with maintainers; [ azahi lassulus ];
       };
     };
  -
   in gzdoom
  
positive.code: { lib, stdenv, fetchFromGitHub, cmake, makeWrapper, openal, fluidsynth
  , soundfont-fluid, libGL, SDL2, bzip2, zlib, libjpeg, libsndfile, mpg123
  , game-music-emu, pkg-config, copyDesktopItems, makeDesktopItem }:
  
  let
    zmusic-src = fetchFromGitHub {
      owner = "coelckers";
      repo = "zmusic";
      rev = "bff02053bea30bd789e45f60b90db3ffc69c8cc8";
      sha256 = "0vpr79gpdbhslg5qxyd1qxlv5akgli26skm1vb94yd8v69ymdcy2";
    };
    zmusic = stdenv.mkDerivation {
      pname = "zmusic";
      version = "1.1.3";
  
      src = zmusic-src;
  
      nativeBuildInputs = [ cmake pkg-config ];
  
  
negative.code:       zlib
        libjpeg
        libsndfile
        libvpx
        mpg123
        game-music-emu
        zmusic
  