anchor.diff:  
     consul-template = buildFromGitHub {
       version = 3;
  -    rev = "v0.18.3";
  +    rev = "v0.18.5";
       owner = "hashicorp";
       repo = "consul-template";
  -    sha256 = "0c9bi0k1bcw02d2xdwx1wgs1fy9czdlkxspcdxz89cicyyg4mb7p";
  +    sha256 = "1mhjb5rg413nv2vbyfanl14ag0shhilg05pvnk97m0nxmkzya4sw";
   
       propagatedBuildInputs = [
         consul_api
  
positive.code: 
    govalidator = buildFromGitHub {
      version = 3;
      rev = "948702997351133e1cc5a1b5842313ca46deeb0d";
      owner = "asaskevich";
      repo = "govalidator";
      sha256 = "0zv6mri1g6dv8vry5mgm4qbmxrcpgzd51ryigwfjpbzfmfwjck1s";
      date = "2017-05-16";
    };
  
    go-autorest = buildFromGitHub {
  
negative.code:     version = 3;
      owner = "btcsuite";
      repo = "btcd";
      date = "2017-05-25";
      rev = "9918e2a56196fb6b1b2837a9e7fb84f3454098fd";
      sha256 = "0z5dpwylz1vnb2ncs4jz7rz672crxhv9gbqxd6a1qdllla13718g";
      subPackages = [
        "btcec"
      ];
  