anchor.diff:    };
   
     relaysrv = buildFromGitHub rec {
  -    rev    = "7fe1fdd8c751df165ea825bc8d3e895f118bb236";
  +    date   = "2015-12-07";
  +    rev    = "5837e48ee186068709a99a8681b5041c2d636e99";
       owner  = "syncthing";
       repo   = "relaysrv";
  -    sha256 = "0qy14pa0z2dq5mix5ylv2raabwxqwj31g5kkz905wzki6d4j5lnp";
  -    buildInputs = [ xdr syncthing-protocol011 ratelimit syncthing-lib ];
  +    sha256 = "0qy14pa0z2aq5mix5ylv2raabwxqwj31g5kkz905wzki6d4j5lna";
  +    buildInputs = [ xdr syncthing-protocol ratelimit syncthing-lib ];
     };
   
     reflectwalk = buildFromGitHub {
  
positive.code:   };
  
    muxado = buildFromGitHub {
      rev    = "f693c7e88ba316d1a0ae3e205e22a01aa3ec2848";
      owner  = "inconshreveable";
      repo   = "muxado";
  
negative.code:     owner  = "daviddengcn";
      repo   = "go-colortext";
      sha256 = "0618xs9lc5xfp5zkkb5j47dr7i30ps3zj5fj0zpv8afqh2cc689x";
    };
  
    go-dockerclient = buildFromGitHub {
      date = "2015-12-06";
      rev = "b515e07d61c4e873407b54c4843b0f3ac9aa16f1";
      owner = "fsouza";
      repo = "go-dockerclient";
      sha256 = "1dv117yw1c23mqcsrx1zgpzka9avnkpa2ali0d02hwhpdciy7cn2";
    };
  
    go-etcd = buildGoPackage rec {
  