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