anchor.diff:      propagatedBuildInputs = [ sys ];
     };
   
  -  airbrake-go = buildFromGitHub {
  -    rev    = "5b5e269e1bc398d43f67e43dafff3414a59cd5a2";
  -    owner  = "tobi";
  -    repo   = "airbrake-go";
  -    sha256 = "1bps4y3vpphpj63mshjg2aplh579cvqac0hz7qzvac0d1fqcgkdz";
  -  };
  -
     ansicolor = buildFromGitHub {
       rev    = "a5e2b567a4dd6cc74545b8a4f27c9d63b9e7735b";
       owner  = "shiena";
  
positive.code:   };
  
    prometheus.procfs = buildFromGitHub {
      rev    = "c91d8eefde16bd047416409eb56353ea84a186e4";
      date   = "2015-06-16";
      owner  = "prometheus";
      repo   = "procfs";
      sha256 = "0pj3gzw9b58l72w0rkpn03ayssglmqfmyxghhfad6mh0b49dvj3r";
    };
  
    prometheus.prom2json = buildFromGitHub {
  
negative.code:   };
  
    httprouter = buildFromGitHub {
      rev    = "f30ab90cccbd5171771d26b6557d3c2f49e047a6";
      date   = "2015-12-04";
      owner  = "julienschmidt";
      repo   = "httprouter";
      sha256 = "1m93r4i5iblln87gsryy30vn18rnwdirzp0hda02nzdb7mgz1a1g";
    };
  
    inf = buildFromGitHub {
  