anchor.diff:    };
   
     text = buildFromGitHub {
  -    rev = "ce78b075c2fbd48520f4995b173eb9fe18b56ef3";
  -    date = "2016-06-28";
  +    rev = "d5d7737684e596dbabf914ecf946d2783f35bdc2";
  +    date = "2016-07-09";
       owner = "golang";
       repo = "text";
  -    sha256 = "1aj22kkn4di94463ia2mn1r69322yj5c5pf8x6rk8vlzxy624kgg";
  +    sha256 = "1jady7c6lafw8r3q5xjzsaa8f9pk6wiglssgjlinwqjri8pf58aw";
       goPackagePath = "golang.org/x/text";
       goPackageAliases = [ "github.com/golang/text" ];
     };
   
     tools = buildFromGitHub {
  -    rev = "0d2bde8553c1385ba127c53d1d792629e5ca2529";
  -    date = "2016-06-28";
  +    rev = "cda5280914a6bccec2b76d8d4341f4f4c5d62592";
  +    date = "2016-07-06";
       owner = "golang";
       repo = "tools";
  -    sha256 = "0jpln5nsy69054gq3dwv5q128shlzl4h4pfv4vqbrjrjfk60wnng";
  +    sha256 = "1ljs0gszv33izmqacpl26f209w6ff4517gylv1viwb63wlvkbs6y";
       goPackagePath = "golang.org/x/tools";
       goPackageAliases = [ "code.google.com/p/go.tools" ];
   
  
positive.code:   };
  
    go-flags = buildFromGitHub {
      date = "2016-05-28";
      rev = "b9b882a3990882b05e02765f5df2cd3ad02874ee";
      owner  = "jessevdk";
      repo   = "go-flags";
      sha256 = "02wzy17cl9v91ssmidqgvsk82dgg0iskd12h8dkp1ya1f9cvn7rj";
    };
  
    go-getter = buildFromGitHub {
  
negative.code:   };
  
    mongo-tools = buildFromGitHub {
      rev = "r3.3.9";
      owner  = "mongodb";
      repo   = "mongo-tools";
      sha256 = "08s9j5djgw5sj616fcdrhng5hk34ycck2cnn67syj9xdf7p7bqz4";
      buildInputs = [ crypto mgo go-flags gopass openssl tomb-v2 ];
  
      # Mongodb incorrectly names all of their binaries main
  