anchor.diff:    };
   
     govalidator = buildFromGitHub {
  -    version = 1;
  -    rev = "593d64559f7600f29581a3ee42177f5dbded27a9";
  +    version = 2;
  +    rev = "7b3beb6df3c42abd3509abfc3bcacc0fbfb7c877";
       owner = "asaskevich";
       repo = "govalidator";
  -    sha256 = "0qfr5ar0d8rywh23grlbg76shb8hrd3xk0ik4c5zf4z005bjpchc";
  -    date = "2016-07-15";
  +    sha256 = "0gn9fa7i7wfpb2wdvxbzv3a3fzals21x7hs0jszf9g0bp441s75z";
  +    date = "2016-10-01";
     };
   
     go-autorest = buildFromGitHub {
       version = 2;
  -    rev = "v7.2.0";
  +    rev = "v7.2.1";
       owner  = "Azure";
       repo   = "go-autorest";
  -    sha256 = "1z4khhlkjzpsklx2xpjrh0baxhznaaqdbjylhwfvcwq4d5mjl546";
  +    sha256 = "09ygf1x9cdzh79w3nrlyfl9xnkj88hvm6ag382c1dag7b066czq5";
       propagatedBuildInputs = [
         crypto
         jwt-go
  
positive.code: 
    go-github = buildFromGitHub {
      version = 2;
      date = "2016-09-07";
      rev = "94a3cd9f531888fe4a03487276c0adb887428e77";
      owner = "google";
      repo = "go-github";
      sha256 = "1mfpkx26a9lg2kjcmsdvi4lj104zmyw4xm3g5g1zbs1s8grm60gq";
      buildInputs = [ oauth2 ];
      propagatedBuildInputs = [ go-querystring ];
    };
  
negative.code:   };
  
    tools = buildFromGitHub {
      version = 2;
      rev = "03663480faa767e684bf17d7c45c65f79d7f5ef3";
      date = "2016-10-05";
      owner = "golang";
      repo = "tools";
      sha256 = "0a2byvj9580iam83w3fvcajayhh31dfkyr6yf1mgsklcl1ip19j4";
      goPackagePath = "golang.org/x/tools";
      goPackageAliases = [ "code.google.com/p/go.tools" ];
  
  