anchor.diff:      ];
       passthru.names = [ "express" ];
     };
  -  "express" = self.by-version."express"."3.4.8";
  -  by-spec."express"."2.5.11" =
  -    self.by-version."express"."2.5.11";
  -  by-version."express"."2.5.11" = lib.makeOverridable self.buildNodePackage {
  -    name = "express-2.5.11";
  -    src = [
  -      (fetchurl {
  -        url = "http://registry.npmjs.org/express/-/express-2.5.11.tgz";
  -        name = "express-2.5.11.tgz";
  -        sha1 = "4ce8ea1f3635e69e49f0ebb497b6a4b0a51ce6f0";
  -      })
  -    ];
  -    buildInputs =
  -      (self.nativeDeps."express" or []);
  -    deps = [
  -      self.by-version."connect"."1.9.2"
  -      self.by-version."mime"."1.2.4"
  -      self.by-version."qs"."0.4.2"
  -      self.by-version."mkdirp"."0.3.0"
  -    ];
  -    peerDependencies = [
  -    ];
  -    passthru.names = [ "express" ];
  -  };
  -  by-spec."express"."3.2.0" =
  -    self.by-version."express"."3.2.0";
  -  by-version."express"."3.2.0" = lib.makeOverridable self.buildNodePackage {
  -    name = "express-3.2.0";
  -    src = [
  -      (fetchurl {
  -        url = "http://registry.npmjs.org/express/-/express-3.2.0.tgz";
  -        name = "express-3.2.0.tgz";
  -        sha1 = "7b66d6c66b038038eedf452804222b3077374ae0";
  -      })
  -    ];
  -    buildInputs =
  -      (self.nativeDeps."express" or []);
  -    deps = [
  -      self.by-version."connect"."2.7.6"
  -      self.by-version."commander"."0.6.1"
  -      self.by-version."range-parser"."0.0.4"
  -      self.by-version."mkdirp"."0.3.5"
  -      self.by-version."cookie"."0.0.5"
  -      self.by-version."buffer-crc32"."0.2.1"
  -      self.by-version."fresh"."0.1.0"
  -      self.by-version."methods"."0.0.1"
  -      self.by-version."send"."0.1.0"
  -      self.by-version."cookie-signature"."1.0.1"
  -      self.by-version."debug"."0.7.4"
  -    ];
  -    peerDependencies = [
  -    ];
  -    passthru.names = [ "express" ];
  -  };
  -  by-spec."express"."3.4.4" =
  -    self.by-version."express"."3.4.4";
  -  by-version."express"."3.4.4" = lib.makeOverridable self.buildNodePackage {
  -    name = "express-3.4.4";
  -    src = [
  -      (fetchurl {
  -        url = "http://registry.npmjs.org/express/-/express-3.4.4.tgz";
  -        name = "express-3.4.4.tgz";
  -        sha1 = "0b63ae626c96b71b78d13dfce079c10351635a86";
  -      })
  -    ];
  -    buildInputs =
  -      (self.nativeDeps."express" or []);
  -    deps = [
  -      self.by-version."connect"."2.11.0"
  -      self.by-version."commander"."1.3.2"
  -      self.by-version."range-parser"."0.0.4"
  -      self.by-version."mkdirp"."0.3.5"
  -      self.by-version."cookie"."0.1.0"
  -      self.by-version."buffer-crc32"."0.2.1"
  -      self.by-version."fresh"."0.2.0"
  -      self.by-version."methods"."0.1.0"
  -      self.by-version."send"."0.1.4"
  -      self.by-version."cookie-signature"."1.0.1"
  -      self.by-version."debug"."0.7.4"
  -    ];
  -    peerDependencies = [
  -    ];
  -    passthru.names = [ "express" ];
  -  };
  -  by-spec."express"."3.x" =
  -    self.by-version."express"."3.4.8";
     by-spec."express"."~3.1.1" =
       self.by-version."express"."3.1.2";
     by-version."express"."3.1.2" = lib.makeOverridable self.buildNodePackage {
  
positive.code:     ];
      passthru.names = [ "js-yaml" ];
    };
    "js-yaml" = self.by-version."js-yaml"."3.0.1";
    by-spec."js-yaml"."0.3.x" =
      self.by-version."js-yaml"."0.3.7";
    by-version."js-yaml"."0.3.7" = lib.makeOverridable self.buildNodePackage {
  
negative.code:     passthru.names = [ "github-url-from-username-repo" ];
    };
    by-spec."glob"."3" =
      self.by-version."glob"."3.2.9";
    by-version."glob"."3.2.9" = lib.makeOverridable self.buildNodePackage {
      name = "node-glob-3.2.9";
      src = [
        (fetchurl {
          url = "http://registry.npmjs.org/glob/-/glob-3.2.9.tgz";
          name = "glob-3.2.9.tgz";
          sha1 = "56af2289aa43d07d7702666480373eb814d91d40";
        })
      ];
      buildInputs =
  