anchor.diff: -{ stdenv, fetchurl, makeWrapper, zlib, glib, libpng, freetype, xorg
  -, fontconfig, xlibs, qt5, xkeyboard_config, alsaLib, libpulseaudio ? null
  -, libredirect, quazip, less, which
  +{ stdenv, fetchurl, makeWrapper, makeDesktopItem, zlib, glib, libpng, freetype
  +, xorg, fontconfig, xlibs, qt5, xkeyboard_config, alsaLib, libpulseaudio ? null
  +, libredirect, quazip, less, which, unzip
   }:
   
   let
  
positive.code:       xorg.libXrandr xorg.libXfixes xorg.libXcursor xorg.libXinerama
        xlibs.libxcb fontconfig xorg.libXext xorg.libX11 alsaLib qt5.base libpulseaudio
      ];
  
  in
  
  
negative.code:                 else "1b3nbvfpd8lx3dig8z5yk6zjkbmsy6y938dhj1f562wc8adixciz";
    };
  
    # grab the plugin sdk for the desktop icon
    pluginsdk = fetchurl {
      url = "http://dl.4players.de/ts/client/pluginsdk/pluginsdk_3.0.16.zip";
      sha256 = "1qpqpj3r21wff3ly9ail4l6b57pcqycsh2hca926j14sdlvpv7kl";
    };
  
    buildInputs = [ makeWrapper less which unzip ];
  
    unpackPhase =
      ''
  