anchor.diff:    };
   
     gocql = buildFromGitHub {
  -    rev = "261883b4ad61ed1b4820abf522f952d3e18b366c";
  +    rev = "9924437647a7cd58f0c79c07d7d5ecf3cc8aa1fa";
       owner  = "gocql";
       repo   = "gocql";
  -    sha256 = "0v5q3rnjr7f8zf86sdpq9cmh0h3qwf2hhlg1n69g99lpk9fw1l60";
  +    sha256 = "0jrm4bynkjl8i08bhqpf7lsian8lwm6g777z1radvgqzxsqfgr2s";
       propagatedBuildInputs = [ inf snappy hailocab_go-hostpool net ];
  -    date = "2016-07-08";
  +    date = "2016-07-14";
     };
   
     goconvey = buildGoPackage rec {
  
positive.code:     sha256 = "1rscgsik3n6kh51h3axdqwyjbsz6vqjx5p1s4c9v9vs41m679y3k";
      buildInputs = [
        crypto
        go-systemd_journal
        yaml-v1
      ];
    };
  
  
negative.code:   };
  
    go-github = buildFromGitHub {
      date = "2016-06-17";
      rev = "1c08387e4c91df86627d0853f155a4efc8cb8a2d";
      owner = "google";
      repo = "go-github";
      sha256 = "6a0b97eee6a54c188f8de2b46b2b8ea2ed5632aaebdaba6e7e8a331ea729f852";
      buildInputs = [ oauth2 ];
      propagatedBuildInputs = [ go-querystring ];
      meta.autoUpdate = false;
    };
  
    go-homedir = buildFromGitHub {
  