anchor.diff:  
       build =
         { system ? "i686-linux" 
  -      , tarball ? jobs.tarball {}
         }:
   
         let pkgs = import nixpkgs {inherit system;};
  
positive.code:       } ;      
  
      buildJava =
        { tarball ? jobs.tarball {}
        , strcJava ? { outPath = ./. ;}
        }:
        let pkgs = import nixpkgs { system = "i686-linux"; };
        in with pkgs;
        releaseTools.nixBuild rec {
  
negative.code:       };
  
      buildJavaZip = 
        pkgs.stdenv.mkDerivation {
          name = "webdsl-java.zip"; 
          buildInputs = [pkgs.zip]; 
  