anchor.diff:      buildInputs =
         (self.nativeDeps."connect-mongo" or []);
       deps = [
  -      self.by-version."mongodb"."1.3.19"
  +      self.by-version."mongodb"."1.3.20"
       ];
       peerDependencies = [
       ];
  
positive.code:         sha1 = "b7f3b87973ea8e9e1ebfa721188876c31c5fa3be";
        })
        (fetchurl {
          url = "http://registry.npmjs.org/karma/-/karma-0.11.2.tgz";
          sha1 = "cb9d7ff974f3f0c8834980ebf8e689a88091008e";
        })
        (fetchurl {
          url = "http://registry.npmjs.org/karma-requirejs/-/karma-requirejs-0.1.0.tgz";
          sha1 = "d9554aa0f11f2c0ff2e933ab5043a633b1305622";
        })
        (fetchurl {
          url = "http://registry.npmjs.org/karma-coffee-preprocessor/-/karma-coffee-preprocessor-0.1.0.tgz";
  
negative.code:     passthru.names = [ "log4js" ];
    };
    by-spec."lru-cache"."2" =
      self.by-version."lru-cache"."2.5.0";
    by-version."lru-cache"."2.5.0" = lib.makeOverridable self.buildNodePackage {
      name = "lru-cache-2.5.0";
      src = [
        (fetchurl {
          url = "http://registry.npmjs.org/lru-cache/-/lru-cache-2.5.0.tgz";
          sha1 = "d82388ae9c960becbea0c73bb9eb79b6c6ce9aeb";
        })
      ];
      buildInputs =
  