anchor.diff:      [ intltool pkgconfig glib udev libusb1 cups xmlto
         libxml2 docbook_xml_dtd_412 docbook_xsl desktop_file_utils
         pythonPackages.python pythonPackages.wrapPython
  +      libnotify gobjectIntrospection gdk_pixbuf pango atk
  +      libgnome_keyring3
       ];
  +
  +  nativeBuildInputs = [ wrapGAppsHook ];
   
     pythonPath = with pythonPackages;
       [ pycups pycurl dbus-python pygobject3 requests2 pycairo pythonPackages.pycurl ];
  
positive.code:       "--with-systemdsystemunitdir=$(out)/etc/systemd/system"
      ];
  
    stripDebugList = "bin lib etc/udev";
  
    postInstall =
      let
        giTypelibPath = stdenv.lib.makeSearchPath "lib/girepository-1.0" [ gdk_pixbuf.out gtk3.out pango.out atk.out libnotify.out ];
      in
      ''
        export makeWrapperArgs="--set prefix $out \
            --set GI_TYPELIB_PATH ${giTypelibPath} \
            --set CUPS_DATADIR ${cups-filters}/share/cups"
        wrapPythonPrograms
  
        # The program imports itself, so we need to move shell wrappers to a proper place.
        fixupWrapper() {
          mv "$out/share/system-config-printer/$2.py" \
             "$out/bin/$1"
          sed -i "s/.$2.py-wrapped/$2.py/g" "$out/bin/$1"
          mv "$out/share/system-config-printer/.$2.py-wrapped" \
             "$out/share/system-config-printer/$2.py"
        }
        fixupWrapper scp-dbus-service scp-dbus-service
        fixupWrapper system-config-printer system-config-printer
        fixupWrapper system-config-printer-applet applet
        # This __init__.py is both executed and imported.
        ( cd $out/share/system-config-printer/troubleshoot
          mv .__init__.py-wrapped __init__.py
        )
  
        # The below line will be unneeded when the next upstream release arrives.
        sed -i -e "s|/usr/bin|$out/bin|" "$out/share/dbus-1/services/org.fedoraproject.Config.Printing.service"
  
        # Manually expand literal "$(out)", which have failed to expand
        sed -e "s|ExecStart=\$(out)|ExecStart=$out|" \
  
negative.code: { stdenv, fetchurl, udev, intltool, pkgconfig, glib, xmlto, wrapGAppsHook
  , makeWrapper, gtk3, docbook_xml_dtd_412, docbook_xsl
  , libxml2, desktop_file_utils, libusb1, cups, gdk_pixbuf, pango, atk, libnotify
  , gobjectIntrospection, libgnome_keyring3
  , cups-filters
  , pythonPackages
  , withGUI ? true
  }:
  
  stdenv.mkDerivation rec {
    name = "system-config-printer-${version}";
    version = "1.5.9";
  
    src = fetchurl {
      url = "https://github.com/zdohnal/system-config-printer/releases/download/v${version}/${name}.tar.gz";
      sha256 = "03bwlpsiqpxzcwd78a7rmwiww4jnqd7kl7il4kx78l1r57lasd2r";
    };
  
    patches = [ ./detect_serverbindir.patch ];
  