panel_version=$(chroot /root /usr/bin/dpkg-query -W --showformat='${Version}' gnome-panel-data 2>/dev/null) || panel_version=""
if [ -n "$panel_version" ]; then
panel_version=$(chroot /root /usr/bin/dpkg-query -W --showformat='${Version}' gnome-panel-data 2>/dev/null) || panel_version=""
if [ -n "$panel_version" ]; then