anchor.diff: -{ stdenv, lib, buildGoPackage, fetchFromGitHub, go-bindata  }:
  +
  +{ stdenv, lib, buildGoPackage, fetchFromGitHub, go-bindata }:
   
   buildGoPackage rec {
     name = "kops-${version}";
  -  version = "1.8.1";
  +  version = "1.9.0";
   
     goPackagePath = "k8s.io/kops";
   
  
positive.code: 
    preBuild = ''
      (cd go/src/k8s.io/kops
       go-bindata -o upup/models/bindata.go -pkg models -prefix upup/models/ upup/models/...
       go-bindata -o federation/model/bindata.go -pkg model -prefix federation/model federation/model/...)
    '';
  
    postInstall = ''
  
negative.code:     rev = version;
      owner = "kubernetes";
      repo = "kops";
      sha256 = "03avkm7gk2dqyvd7245qsca1sbhwk41j9yhc208gcmjgjhkx2vn7";
    };
  
    buildInputs = [go-bindata];
  