anchor.diff:      url = "http://github.com/yui/yuicompressor/releases/download/v${version}/${name}-${version}.jar";
       sha256 = "1qjxlak9hbl9zd3dl5ks0w4zx5z64wjsbk7ic73r1r45fasisdrh";
     };
  +
  +  buildInputs = [makeWrapper jre];
   
     meta = {
       description = "A JavaScript and CSS minifier";
  
positive.code:   };
  
    buildCommand = ''
      mkdir -p $out/lib
      ln -s $src $out/lib/yuicompressor.jar
    '';
  }
  
negative.code: { stdenv, fetchurl, makeWrapper, jre }:
  
  stdenv.mkDerivation rec {
    name = "yuicompressor";
  