# for details
if [[ $(blockdev --getsize64 ${dev}4) == 8388608 ]]; then
# Old partition scheme
- dev+=4
+ grub_extn=${dev}4
+ elif [[ $(blockdev --getsize64 ${dev}5) == 8388608 ]]; then
+ grub_extn=${dev}5
else
- dev+=5
+ grub_extn=${dev}7
+ fi
fi
mount $dev /mnt
if $first; then