anchor.diff:      ];
       passthru.names = [ "nijs" ];
     };
  -  "nijs" = self.by-version."nijs"."0.0.12";
  +  "nijs" = self.by-version."nijs"."0.0.13";
     by-spec."node-appc"."0.2.0" =
       self.by-version."node-appc"."0.2.0";
     by-version."node-appc"."0.2.0" = lib.makeOverridable self.buildNodePackage {
  
positive.code:     ];
      passthru.names = [ "libyaml" ];
    };
    "libyaml" = self.by-version."libyaml"."0.2.2";
    by-spec."lockfile"."~0.4.0" =
      self.by-version."lockfile"."0.4.2";
    by-version."lockfile"."0.4.2" = lib.makeOverridable self.buildNodePackage {
  
negative.code:     passthru.names = [ "libxmljs" ];
    };
    by-spec."libyaml"."*" =
      self.by-version."libyaml"."0.2.3";
    by-version."libyaml"."0.2.3" = lib.makeOverridable self.buildNodePackage {
      name = "node-libyaml-0.2.3";
      src = [
        (fetchurl {
          url = "http://registry.npmjs.org/libyaml/-/libyaml-0.2.3.tgz";
          name = "libyaml-0.2.3.tgz";
          sha1 = "c07e7fefcad6e09218ebf9ff814bbd520172add6";
        })
      ];
      buildInputs =
  