anchor.diff:      version = 3;
       owner = "ncw";
       repo = "rclone";
  -    date = "2017-06-01";
  -    rev = "b0474022948c46fe4f5cebb4074efcd7ec70927d";
  -    sha256 = "1g8cgvvfkhcffkycjiabgw7km7zjjjqyz2zg7dg92413lmgjn5hi";
  +    date = "2017-06-06";
  +    rev = "74a3dfc4e1aee38e077f88c3191e64a62b7e747f";
  +    sha256 = "0nhw3nd5ridvh0rk0h6x0kq3mzs6wfmjs835xvdvn0drbvc8g4gh";
       propagatedBuildInputs = [
         aws-sdk-go
         cgofuse
  
positive.code: 
    dns = buildFromGitHub {
      version = 3;
      rev = "fb6fbed0f5ec4e418de4f156c18d2e4f9bc854e7";
      date = "2017-06-02";
      owner  = "miekg";
      repo   = "dns";
      sha256 = "0ni5ck8f6kx69kxjv75mcfhlfgcmwf0vd10riprzb3nb2rxzlkhy";
    };
  
    dnsimple-go = buildFromGitHub {
  
negative.code:       procfs
        beorn7_perks
      ];
      date = "2017-06-06";
    };
  
    prometheus_client_model = buildFromGitHub {
  