anchor.diff:    };
   
     pq = buildFromGitHub {
  -    version = 1;
  -    rev = "80f8150043c80fb52dee6bc863a709cdac7ec8f8";
  +    version = 2;
  +    rev = "50761b0867bd1d9d069276790bcd4a3bccf2324a";
       owner  = "lib";
       repo   = "pq";
  -    sha256 = "059zn2vxalad9fx29g2ls14rhwdf7773cs4p0padjrz1aixcifgz";
  -    date = "2016-08-06";
  +    sha256 = "143sd61qzzmnb16n33z89zgva1z2cznavlhzx38w1prckhf9j644";
  +    date = "2016-08-31";
     };
   
     prometheus = buildFromGitHub {
  
positive.code:       oauth2
        protobuf
        google-api-go-client
        grpc-go
      ];
      excludedPackages = "oauth2";
      meta.useUnstable = true;
  
negative.code:   };
  
    goleveldb = buildFromGitHub {
      version = 2;
      rev = "6ae1797c0b42b9323fc27ff7dcf568df88f2f33d";
      date = "2016-08-25";
      owner = "syndtr";
      repo = "goleveldb";
      sha256 = "057ml2rlla20g4qywbdzrh2iw7l7fqj6rsvrhhwagqxwhcmpzcb4";
      propagatedBuildInputs = [ ginkgo gomega snappy ];
    };
  
  