if ... THEN ;-)

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
catch permissionserror when deleting old cache

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
++changes

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>