cups: for now cups make a backup on uninstall

and a restore on install / update

The include file that was added in a previous commit allowed to manually
create a backup, but none was created when the addon was installed,
uninstalled or updated.

Signed-off-by: Daniel Weismueller <daniel.weismueller@ipfire.org>
Reviewed-by: Adolf Belka <adolf.belka@ipfire.org>

src/paks/cups/install.sh

@@ -23,6 +23,7 @@
 #
 . /opt/pakfire/lib/functions.sh
 extract_files
+restore_backup "${NAME}"
 /etc/init.d/messagebus reload
 start_service --delay 300 --background ${NAME}
 ln -svf ../init.d/cups /etc/rc.d/rc0.d/K00cups

src/paks/cups/uninstall.sh

@@ -23,6 +23,7 @@
 #
 . /opt/pakfire/lib/functions.sh
 stop_service ${NAME}
+make_backup "${NAME}"
 remove_files
 rm -rf /etc/rc.d/rc*.d/*cups
 /etc/init.d/messagebus reload