anchor.diff:  
     self = stdenv.mkDerivation rec {
       pname = "fwupd";
  -    version = "1.7.6";
  +    version = "1.7.7";
   
       # libfwupd goes to lib
       # daemon, plug-ins and libfwupdplugin go to out
  
positive.code:         "fwupd/remotes.d/dell-esrt.conf"
        ] ++ lib.optionals haveRedfish [
          "fwupd/redfish.conf"
        ];
  
        # DisabledPlugins key in fwupd/daemon.conf
  
negative.code: 
      src = fetchurl {
        url = "https://people.freedesktop.org/~hughsient/releases/fwupd-${version}.tar.xz";
        sha256 = "sha256-QUmU06zfZ0qQ9wotoW2k4XalrRH+Y25qs/DhpJ4GKWk=";
      };
  
      patches = [
  