chroot /mnt update_bootcfg
+ sync
+
+ # Get sizes and space availability while the file systems are still
+ # mounted. Otherwise we have to mount them again just for this.
+ required_root_space=`df -k /dev/$root | awk '{print $4}' | tail -n 1`
+ free_root_space=`df -k /dev/$root | awk '{print $3}' | tail -n 1`
+ free_usr_space=`df -k /dev/$usr | awk '{print $3}' | tail -n 1`
+
umount /mnt/usr && umount /mnt || exit
# Check if enough space for new boot
echo "Root partition size will be reduced by up to 16Kb to fit new bootloader."
echo "This is not a problem."
- free_space=`df /dev/$root | awk '{print $3}' | tail -n 1`
# round 16 => 20
- if [ "$free_space" -le 20 ]
+ if [ "$free_root_space" -le 20 ]
then
echo ""
echo "Not enough space on /dev/$root, you need at least 20Kb to use new bootloader!"
ROOTSECTS=`expr \`devsize /dev/$root\` - $BOOTXXSECTS + $bootspace`
- free_space=`df /dev/$usr | awk '{print $3}' | tail -n 1`
- required_space=`df /dev/$root | awk '{print $4}' | tail -n 1`
-
- if [ "$required_space" -gt "$free_space" ]
+ if [ "$required_root_space" -gt "$free_usr_space" ]
then
echo ""
echo "You don't have enough free space on /dev/$usr to backup /dev/$root!"
- echo "${free_space}Kb available, ${required_space} required."
+ echo "${free_usr_space}Kb available, ${required_root_space} required."
exit 1
fi
