anchor.diff:    by-spec."nconf"."*" =
       self.by-version."nconf"."0.6.9";
     by-version."nconf"."0.6.9" = lib.makeOverridable self.buildNodePackage {
  -    name = "nconf-0.6.9";
  +    name = "node-nconf-0.6.9";
       src = [
         (fetchurl {
           url = "http://registry.npmjs.org/nconf/-/nconf-0.6.9.tgz";
  
positive.code:   by-spec."utile"."0.2.1" =
      self.by-version."utile"."0.2.1";
    by-version."utile"."0.2.1" = lib.makeOverridable self.buildNodePackage {
      name = "utile-0.2.1";
      src = [
        (fetchurl {
          url = "http://registry.npmjs.org/utile/-/utile-0.2.1.tgz";
  
negative.code:   by-spec."npm-user-validate"."0.0.3" =
      self.by-version."npm-user-validate"."0.0.3";
    by-version."npm-user-validate"."0.0.3" = lib.makeOverridable self.buildNodePackage {
      name = "node-npm-user-validate-0.0.3";
      src = [
        (fetchurl {
          url = "http://registry.npmjs.org/npm-user-validate/-/npm-user-validate-0.0.3.tgz";
  