anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "monero-gui";
  -  version = "0.17.1.4";
  +  version = "0.17.1.5";
   
     src = fetchFromGitHub {
       owner  = "monero-project";
       repo   = "monero-gui";
       rev    = "v${version}";
  -    sha256 = "1ixjfdlvwr2an2s9jaql240bk7jpq5hhm5c4hww0bicyy3fp12ng";
  +    sha256 = "0qlcqli0wvrjfy89mbgh1hpmk60dxgn5sws93h8lhgyfwx557iw0";
     };
   
     nativeBuildInputs = [
  
positive.code:     chmod -R +w source/monero
    '';
  
    patches = [
      ./move-log-file.patch
      # fix build failure due to invalid use of CMAKE_PREFIX_PATH
      (fetchpatch {
        url = "https://github.com/monero-project/monero-gui/commit/ef2be82c21b0934522ad8e110805b66f5948da1f.patch";
        sha256 = "1rhazk2xwa5dv1cmkrkq8yr08qxslg4k929cvlliabrx20kbr5z5";
      })
    ];
  
    postPatch = ''
      # set monero-gui version
  
negative.code: { stdenv, wrapQtAppsHook, makeDesktopItem
  , fetchFromGitHub
  , cmake, qttools, pkgconfig
  , qtbase, qtdeclarative, qtgraphicaleffects
  , qtmultimedia, qtxmlpatterns
  