anchor.diff:      date = "2017-04-07";
     };
   
  +  moby = buildFromGitHub {
  +    version = 2;
  +    owner = "moby";
  +    repo = "moby";
  +    rev = "7f927516eae370aff1e7993ff43e4d99c409e126";
  +    sha256 = "1b13pd6nfyylnkw3qj0vijf37dx3wzrwjz5dglb0rny2035p8wly";
  +    buildInputs = [
  +      cobra
  +      errors
  +      grpc
  +      net
  +      pflag
  +      runc
  +      runtime-spec
  +      sys
  +      time
  +    ];
  +    meta.useUnstable = true;
  +    date = "2017-04-20";
  +  };
  +
  +  moby_for_go-dockerclient = buildFromGitHub {
  +    inherit (moby) version owner repo rev sha256;
  +    subPackages = [
  +      "api/types/swarm"
  +      "opts"
  +      "pkg/archive"
  +      "pkg/fileutils"
  +      "pkg/homedir"
  +      "pkg/jsonmessage"
  +      "pkg/stdcopy"
  +    ];
  +    buildInputs = [
  +      docker_for_go-dockerclient
  +      go-connections
  +      go-units
  +      gotty
  +      logrus
  +      runc
  +    ];
  +    date = "2017-04-20";
  +  };
  +
     mock = buildFromGitHub {
       version = 2;
       owner = "golang";
  
positive.code:     buildInputs = [
        crypto
        decimal
        go-autorest
        satori_uuid
      ];
    };
  
  
negative.code:     version = 2;
      owner = "eknkc";
      repo = "amber";
      rev = "f0d8fdb67f9f4a2c0d02fb6ce4830b8b6754de10";
      date = "2017-04-15";
      sha256 = "1ryrllxs3zyxla31c6wij3pajgaj5jhk0mi2i51gyfkx1smp6cxc";
    };
  
    amqp = buildFromGitHub {
  