anchor.diff:        "--with-systemdsystemunitdir=$(out)/etc/systemd/system"
       ];
   
  -  stripDebugList = "bin lib etc/udev";
  +  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 $out/share/system-config-printer/troubleshoot
  -        mv .__init__.py-wrapped __init__.py
  +      buildPythonPath "$out $pythonPath"
  +      gappsWrapperArgs+=(
  +        --prefix PATH "$program_PATH"
  +        --set CUPS_DATADIR "${cups-filters}/share/cups"
         )
   
  +      find $out/share/system-config-printer -name \*.py -type f -perm -0100 -print0 | while read -d "" f; do
  +        patchPythonScript "$f"
  +      done
  +
         # 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"
  +      sed -i -e "s|/usr/local/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|" \
  
positive.code:     [ intltool pkgconfig glib udev libusb1 cups xmlto
        libxml2 docbook_xml_dtd_412 docbook_xsl desktop_file_utils
        pythonPackages.python pythonPackages.wrapPython
      ];
  
    pythonPath = with pythonPackages;
      [ pycups pycurl dbus-python pygobject3 requests2 pycairo pythonPackages.pycurl ];
  
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 ];
  