anchor.diff:  }:
   
   let
  -  version = "1.6.2";
  +  version = "1.8.1";
   in
   stdenv.mkDerivation rec {
     name = "libstoragemgmt-${version}";
   
     src = fetchurl {
       url = "https://github.com/libstorage/libstoragemgmt/releases/download/${version}/${name}.tar.gz";
  -    sha256 = "2b5e6156caeb96567ce0c165303959e328c5aaca77fbb9616c80c81751fb08eb";
  +    sha256 = "ad917d94c39d822235c75d87685ec1e23b669b758330fb92b59c74b4d3b8549a";
     };
   
     nativeBuildInputs = [
  
positive.code:     )
    '';
  
    meta = with stdenv.lib; {
      maintainers = with maintainers; [
        wkennington
      ];
  
negative.code: { stdenv
  , fetchurl
  , lib
  , perl
  
  , glib
  