anchor.diff:        };
   
       buildJavaZip = 
  +      { tarball ? jobs.tarball {}
  +      , strcJava ? { outPath = ./. ;}
  +      }:
         pkgs.stdenv.mkDerivation {
           name = "webdsl-java.zip"; 
           buildInputs = [pkgs.zip]; 
  
positive.code:       in
          with import "${nixos}/lib/testing.nix" {inherit nixpkgs services; system = "i686-linux";} ;
          runInMachineWithX {
            drv = pkgs.lib.overrideDerivation (build { inherit tarball; }) (oldAttrs: { configureFlags = ""; buildInputs = oldAttrs.buildInputs ++ [pkgs.firefox] ; }) ;
          };
  
    };
  
negative.code:           ensureDir $out/nix-support
  
            mkdir webdsl 
            cp -R ${buildJava { inherit strcJava tarball; } }/* webdsl/
            chmod -R 755 webdsl/
   
            # cleanup
  