anchor.diff:        pkg
         ugorji_go
       ];
  -    date = "2017-02-24";
  +    date = "2017-02-28";
     };
   
     etcd_for_vault = buildFromGitHub {
  
positive.code:     version = 2;
      owner = "coreos";
      repo = "etcd";
      rev = "15d8ca7726a4ac8536504effe397d166b48494c0";
      sha256 = "169pgqjk0pcllqi1hcncrfnr0qr1a6zwcca9h1ms020sy0dcj2jc";
      buildInputs = [
        bolt
        btree
  
negative.code: 
    utp = buildFromGitHub {
      version = 2;
      rev = "5ba96237026382ae0f0d081fff9fd3f89d20e536";
      owner  = "anacrolix";
      repo   = "utp";
      sha256 = "1ji00i1513x2bqzpcx10y3cj7y4mi7sh0x984krkaq1vq9pg55p5";
      date = "2017-02-27";
      propagatedBuildInputs = [
        envpprof
        missinggo
  