anchor.diff:  
     qtWrapperArgs = [
       "--prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [ libsecret ]}"
  -    # See also: https://bugreports.qt.io/browse/QTBUG-85967
  -    "--set QML_DISABLE_DISK_CACHE 1"
       # make xdg-open overrideable at runtime
       "--suffix PATH : ${lib.makeBinPath [ xdg-utils ]}"
     ];
  
positive.code: 
  mkDerivation rec {
    pname = "nextcloud-client";
    version = "3.5.4";
  
    outputs = [ "out" "dev" ];
  
  
negative.code:     owner = "nextcloud";
      repo = "desktop";
      rev = "v${version}";
      sha256 = "sha256-wAxq5xFlofn2xEguvewMvGcel9O+CN/1AycR3tv/xMA=";
    };
  
    patches = [
  