panel_version=$(chroot /root /usr/bin/dpkg-query -W --showformat='${Version}' gnome-panel-data 2>/dev/null) || panel_version=""
-if [ -n "$panel_version" ]
+if [ -n "${panel_version}" ]
then
- chroot /root sudo -u "$USERNAME" gconftool-2 -s -t bool /apps/panel/global/disable_lock_screen true
+ chroot /root sudo -u "${USERNAME}" gconftool-2 -s -t bool /apps/panel/global/disable_lock_screen true
fi
log_end_msg