anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "refind";
  -  version = "0.13.2";
  +  version = "0.13.3.1";
   
     src = fetchurl {
       url = "mirror://sourceforge/project/refind/${version}/${pname}-src-${version}.tar.gz";
  -    sha256 = "0w6990ggns4xsdmgj3aq527q15frrxfmxwa3m6igabd4ai498n6x";
  +    sha256 = "1lfgqqiyl6isy25wrxzyi3s334ii057g88714igyjjmxh47kygks";
     };
   
     patches = [
  
positive.code: { lib, stdenv, fetchurl, gnu-efi }:
  
  let
    archids = {
  
negative.code:     runHook postInstall
    '';
  
    passthru.tests = {
      uefiCdrom = nixosTests.boot.uefiCdrom;
    };
  
    meta = with lib; {
      description = "A graphical {,U}EFI boot manager";
      longDescription = ''
  