anchor.diff:    {
       name = "npm2nix";
       spec = "*";
  -    version = "3.1.0";
  +    version = "3.1.1";
       topLevel = true;
       dependencies = [
         { name = "semver"; spec = ">=2.0.10 <3.0.0"; }
  
positive.code:     topLevel = false;
      dependencies = [
        { name = "xml2js"; spec = "0.2.4"; }
        { name = "xmlbuilder"; spec = "latest"; }
      ];
      peerDependencies = [
      ];
  
negative.code:     peerDependencies = [
      ];
      patchLatest = false;
      sha1 = "ee4e1220cbe71f4d7f2f8e57514a6b180e4d522b";
      tarball = "http://registry.npmjs.org/npm2nix/-/npm2nix-3.1.1.tgz";
    }
    {
      name = "npmconf";
  