anchor.diff:      version = 3;
       owner = "libp2p";
       repo = "go-libp2p-host";
  -    date = "2017-08-29";
  -    rev = "2f20134f039e1750032d079f4daeffc6ec8f7245";
  -    sha256 = "14a0f0wlkvm8i3m8khrg488m3gykdc0v73zy07p7jwipjbz32q7x";
  +    date = "2017-09-13";
  +    rev = "cb85161026a1612c8c9d132a654edf711839bd98";
  +    sha256 = "14vzikxdfxk151cilqn0f8q8r4kkwv9w7y6wdgpr1mjm446qawq2";
       propagatedBuildInputs = [
         go-libp2p-connmgr
         go-libp2p-net
  
positive.code: 
    vault = buildFromGitHub {
      version = 3;
      rev = "v0.8.2";
      owner = "hashicorp";
      repo = "vault";
      sha256 = "12ncy3n276vklbh2pqpqybfv8xx6nhxclbcs2355b77wrrfggh2m";
  
      nativeBuildInputs = [
        pkgs.protobuf-cpp
  
negative.code:     propagatedBuildInputs = [
        template
        units
      ];
    };
  
    kit = buildFromGitHub {
      version = 3;
      rev = "v0.5.0";
      owner = "go-kit";
      repo = "kit";
      sha256 = "1n42pq359bgf39kgiiqwayp6xb4i6bz2isysygr3ip4kjk4r9vz4";
      subPackages = [
        "log"
        "log/level"
      ];
      propagatedBuildInputs = [
        logfmt
        stack
      ];
    };
  
    kubernetes-apimachinery = buildFromGitHub {
      version = 3;
      rev = "1168e538ea3ccf444854d1fdd5681d2d876680a7";
      date = "2017-09-08";
      owner  = "kubernetes";
      repo   = "apimachinery";
      sha256 = "1v9s5ywnc54yk83h778dlvc0rd4b39mf6gkqbp32khx0lqii870r";
      goPackagePath = "k8s.io/apimachinery";
      excludedPackages = "\\(testing\\|fuzzer\\)";
      propagatedBuildInputs = [
        glog
        gofuzz
        go-flowrate
        go-spew
        gogo_protobuf
        golang-lru
        kubernetes-kube-openapi
        inf_v0
        json-iterator_go
        json-patch
        net
        pborman_uuid
        pflag
        spdystream
        spec
        yaml
      ];
    };
  
    kubernetes-kube-openapi = buildFromGitHub {
      version = 3;
      rev = "abfc5fbe1cf87ee697db107fdfd24c32fe4397a8";
      date = "2017-09-06";
      owner  = "kubernetes";
      repo   = "kub-openapi";
      sha256 = "1xjz10cxj182q6hswxl13iwg8vam2nnpqjabpy24wip67819jrc5";
      goPackagePath = "k8s.io/kube-openapi";
      subPackages = [
        "pkg/common"
      ];
      propagatedBuildInputs = [
        go-restful
        spec
      ];
    };
  
  