anchor.diff:      ];
       passthru.names = [ "truncate" ];
     };
  +  by-spec."tty-browserify"."~0.0.0" =
  +    self.by-version."tty-browserify"."0.0.0";
  +  by-version."tty-browserify"."0.0.0" = lib.makeOverridable self.buildNodePackage {
  +    name = "node-tty-browserify-0.0.0";
  +    src = [
  +      (fetchurl {
  +        url = "http://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz";
  +        name = "tty-browserify-0.0.0.tgz";
  +        sha1 = "a157ba402da24e9bf957f9aa69d524eed42901a6";
  +      })
  +    ];
  +    buildInputs =
  +      (self.nativeDeps."tty-browserify" or []);
  +    deps = [
  +    ];
  +    peerDependencies = [
  +    ];
  +    passthru.names = [ "tty-browserify" ];
  +  };
     by-spec."tunnel-agent"."~0.2.0" =
       self.by-version."tunnel-agent"."0.2.0";
     by-version."tunnel-agent"."0.2.0" = lib.makeOverridable self.buildNodePackage {
  
positive.code:   };
    "node-expat" = self.by-version."node-expat"."2.1.4";
    by-spec."node-gyp"."*" =
      self.by-version."node-gyp"."0.12.2";
    by-version."node-gyp"."0.12.2" = lib.makeOverridable self.buildNodePackage {
      name = "node-gyp-0.12.2";
      src = [
        (fetchurl {
          url = "http://registry.npmjs.org/node-gyp/-/node-gyp-0.12.2.tgz";
          name = "node-gyp-0.12.2.tgz";
          sha1 = "bdca7e7025feb308ddd7fd3434300e47703ec57a";
        })
      ];
      buildInputs =
        (self.nativeDeps."node-gyp" or []);
      deps = [
        self.by-version."glob"."3.2.8"
        self.by-version."graceful-fs"."2.0.2"
        self.by-version."fstream"."0.1.25"
        self.by-version."minimatch"."0.2.14"
  
negative.code:   };
    by-spec."eventemitter2"."~0.4.13" =
      self.by-version."eventemitter2"."0.4.13";
    by-spec."events"."~1.0.0" =
      self.by-version."events"."1.0.0";
    by-version."events"."1.0.0" = lib.makeOverridable self.buildNodePackage {
      name = "node-events-1.0.0";
      src = [
        (fetchurl {
          url = "http://registry.npmjs.org/events/-/events-1.0.0.tgz";
          name = "events-1.0.0.tgz";
          sha1 = "63c0f80c74d1435e8eb03b54306a9d8e8f6f9da0";
        })
      ];
      buildInputs =
        (self.nativeDeps."events" or []);
      deps = [
      ];
      peerDependencies = [
      ];
      passthru.names = [ "events" ];
    };
    by-spec."events.node".">= 0.4.0" =
      self.by-version."events.node"."0.4.9";
    by-version."events.node"."0.4.9" = lib.makeOverridable self.buildNodePackage {
  