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