anchor.diff:      "SERVICEDIR_SYSTEMD=$(out)/lib/systemd/user"
     ];
   
  +  postInstall = ''
  +    wrapProgram $out/bin/dunst \
  +      --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE"
  +  '';
  +
     meta = with stdenv.lib; {
       description = "Lightweight and customizable notification daemon";
       homepage = https://dunst-project.org/;
  
positive.code: { stdenv, fetchFromGitHub
  , pkgconfig, which, perl, libXrandr
  , cairo, dbus, systemd, gdk_pixbuf, glib, libX11, libXScrnSaver
  , libXinerama, libnotify, libxdg_basedir, pango, xproto, librsvg
  
negative.code:     sha256 = "1kqlshaflp306yrjjmc28pghi1y5p24vdx4bxf8i4n9khdawb514";
    };
  
    nativeBuildInputs = [ perl pkgconfig which systemd makeWrapper ];
  
    buildInputs = [
      cairo dbus gdk_pixbuf glib libX11 libXScrnSaver
  