anchor.diff:      cp -v MultiMC $out/bin/
       cp -v jars/*.jar $out/bin/jars/ #*/
       cp -v librainbow.so libnbt++.so libMultiMC_logic.so $out/lib
  -    wrapProgram $out/bin/MultiMC --add-flags "-d \$HOME/.multimc/" --set GAME_LIBRARY_PATH $RESULT --prefix PATH : ${jdk7}/bin/
  +    wrapProgram $out/bin/MultiMC --add-flags "-d \$HOME/.multimc/" --set GAME_LIBRARY_PATH $RESULT --prefix PATH : ${jdk}/bin/
     '';
   
     meta = with stdenv.lib; {
  
positive.code: { stdenv, fetchFromGitHub, cmake, qt5Full, jdk7, zlib, file, makeWrapper, xorg, libpulseaudio, qt5 }:
  
  let
    libnbt = fetchFromGitHub {
  
negative.code:     rev = "895d8ab4699f1b50bf03532c967a91f5ecb62a50";
      sha256 = "179vc1iv57fx4g4h1wy8yvyvdm671jnvp6zi8pcr1n6azqhwklds";
    };
    buildInputs = [ cmake qt5Full jdk zlib file makeWrapper ];
  
    libpath = with xorg; [ libX11 libXext libXcursor libXrandr libXxf86vm libpulseaudio ];
    postUnpack = ''
  