anchor.diff:      propagatedBuildInputs = [
         net
       ];
  -    date = "2017-06-15";
  +    date = "2017-06-18";
     };
   
     go-stun = buildFromGitHub {
  -    version = 2;
  -    rev = "04a4eed61c57ecc9903f8983d1d2c17b88d2e9e1";
  +    version = 3;
  +    rev = "0.1.0";
       owner  = "ccding";
       repo   = "go-stun";
  -    sha256 = "1sadm5cr2108z25glyvsdkkxf8pr0jis67vyv56bbk01bqpvgkql";
  -    date = "2017-03-23";
  +    sha256 = "0rw7r4vmb4h7wm9r1wqymvx04jgsmdqrpf7sp523npdni4d1j1my";
     };
   
     go-syslog = buildFromGitHub {
  
positive.code:   };
  
    mailgun_ttlmap = buildFromGitHub {
      version = 2;
      owner = "mailgun";
      repo = "ttlmap";
      rev = "8210f93bcb6393a9f36a22ac02fb3c4f53289850";
      sha256 = "1ir31h07xmjwkn0mnx3hkp6mj0x1qa58ling09czxqjqwm263ab3";
      date = "2016-08-25";
      propagatedBuildInputs = [
        minheap
        timetools
  
negative.code:   };
  
    minheap = buildFromGitHub {
      version = 3;
      rev = "3dbe6c6bf55f94c5efcf460dc7f86830c21a90b2";
      owner = "mailgun";
      repo = "minheap";
      sha256 = "1d0j7vzvqizq56dxb8kcp0krlnm18qsykkd064hkiafwapc3lbyd";
      date = "2017-06-19";
    };
  
    minio = buildFromGitHub {
  