anchor.diff:    };
   
     mitchellh_cli = buildFromGitHub {
  -    version = 1;
  -    date = "2016-08-15";
  -    rev = "fcf521421aa29bde1d93b6920dfce826d7932208";
  +    version = 2;
  +    date = "2016-10-03";
  +    rev = "3acdca71948da01ac07e382e696e4798f0215ccc";
       owner = "mitchellh";
       repo = "cli";
  -    sha256 = "0mwr7f87cbcjvjmr3k14xr3qkjxp9pnza00k4237ihhqp75nzarz";
  +    sha256 = "08wf9j2lgkx7i2x04viz0ws75chzx31h4hjwv38bqs2lbbxa59gi";
       propagatedBuildInputs = [ crypto go-radix speakeasy go-isatty ];
     };
   
  
positive.code:   };
  
    dns = buildFromGitHub {
      version = 1;
      rev = "db96a2b759cdef4f11a34506a42eb8d1290c598e";
      date = "2016-07-25";
      owner  = "miekg";
      repo   = "dns";
      sha256 = "1bkggzlhyd2pvw26rycsl6zkxsyd9g6ml5bpky8yyhlwb39w2snh";
    };
  
    weppos-dnsimple-go = buildFromGitHub {
  
negative.code:   };
  
    go-retryablehttp = buildFromGitHub {
      version = 2;
      rev = "6e85be8fee1dcaa02c0eaaac2df5a8fbecf94145";
      owner = "hashicorp";
      repo = "go-retryablehttp";
      sha256 = "1fssinl8qxdmg3b6wvbyd44p473fbkb03wi792bhqaq15jmysqqy";
      date = "2016-09-29";
      propagatedBuildInputs = [
        go-cleanhttp
      ];
  