exit $1
}
+
+grub_extn=4
+
###### begin command line parsing #####
reboot=true
temp=$(getopt -l opt o "$@") || usage 1
e grub-bios-setup -d $mount_point/grub/i386-pc -s -m $mount_point/grub/device.map $boot_disk
# todo, mount_point needs subvolid=0
-e grub-editenv $mount_point/grub2/grubenv set default_subvol=/boot_$distro
+e umount $mount_point
+
+e mount $boot_disk$grub_extn $mount_point
+e grub-editenv $mount_point/grubenv set default_subvol=/boot_$distro
e umount $mount_point
e rmdir $mount_point