anchor.diff:    };
   
     gomega = buildFromGitHub {
  -    rev = "a1094b2db2d4845621602c667bd4ccf09834544e";
  +    rev = "7ce781ea776b2fd506491011353bded2e40c8467";
       owner  = "onsi";
       repo   = "gomega";
  -    sha256 = "0gwwb50jn9yz6aac8pdgidffnnr5h7whz75fmd9r78m6lpljvks0";
  +    sha256 = "01876g5h9mj8dv07pl4c16ymffdvkkc8jw5qp2j0i40bm95zgnl3";
       buildInputs = [ protobuf ];
     };
   
  
positive.code:   };
  
    tools = buildFromGitHub {
      rev = "ac02106e04bdb66a2db0413d931012bea165d7e0";
      date = "2016-02-22";
      owner = "golang";
      repo = "tools";
      sha256 = "0gkazww2ka97pb326iblj8dhw02i122karg43m8j23s6xgbp9rkj";
      goPackagePath = "golang.org/x/tools";
      goPackageAliases = [ "code.google.com/p/go.tools" ];
  
  
negative.code:   };
  
    pq = buildFromGitHub {
      rev = "165a3529e799da61ab10faed1fabff3662d6193f";
      owner  = "lib";
      repo   = "pq";
      sha256 = "1pkrav0sfd1hbq1vmpba4dm7i1r8hik6lsbg5mk2w004gg8nljqs";
    };
  
    pretty = buildGoPackage rec {
  