anchor.diff:      owner = "flatpak";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-tuRKCBj9ELC7yFPs/Sut/EdO+L8nwW3S8NWU+XedAF8=";
  +    sha256 = "Q1ZP/ljdIxJHg+3JaTL/LIZV+3cK2+dognsTC95udVA=";
     };
   
     patches = [
  
positive.code: { lib, stdenv
  , fetchFromGitHub
  , nixosTests
  , substituteAll
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "xdg-desktop-portal";
    version = "1.10.1";
  
    outputs = [ "out" "installedTests" ];
  
  