anchor.diff:    inherit version;
     src = fetchurl {
       url = "https://launchpad.net/armagetronad/${versionMajor}/${versionMajor}.${versionMinor}/+download/armagetronad-${version}.src.tar.bz2";
  -    sha256 = "157pp84wf0q3bdb72rnbm3ck0czwx2ply6lyhj8z7kfdc7csdbr3";
  +    sha256 = "1vyja7mzivs3pacxb7kznndsgqhq4p0f7x2zg55dckvzqwprdhqx";
     };
   
     NIX_LDFLAGS = "-lSDL_image";
  
positive.code: 
  let
    versionMajor = "0.2.8";
    versionMinor = "3.4";
    version = "${versionMajor}.${versionMinor}";
  in
  
  
negative.code:   buildInputs = [ SDL SDL_image libxml2 libjpeg libpng libGLU libGL zlib ];
  
    meta = with stdenv.lib; {
      homepage = "http://armagetronad.org";
      description = "An multiplayer networked arcade racing game in 3D similar to Tron";
      license = licenses.gpl2;
      platforms = platforms.linux;
  