#!/bin/sh

OLDFST="$(lsblk -no FSTYPE /dev/$1)"
OLDLBL="$(lsblk -no LABEL /dev/$1)"
OLDUID="$(lsblk -no UUID /dev/$1)"
NEWFST="$(lsblk -no FSTYPE /dev/$2)"
NEWLBL="$(lsblk -no LABEL /dev/$2)"
NEWUID="$(lsblk -no UUID /dev/$2)"

[ ! -e /dev/$1 ] && echo "Device /dev/$1 does not exist." && exit 1
[ ! -e /dev/$2 ] && echo "Device /dev/$2 does not exist." && exit 1

clear

echo -e "     --DEVICE-- -FS- -----LABEL------ ----------------UUID----------------\nOLD:\nNEW:"

tput cup 1 5; echo -e /dev/$1
tput cup 1 16; echo -e $OLDFST
tput cup 1 21; echo -e $OLDLBL
tput cup 1 38; echo -e $OLDUID

tput cup 2 5; echo -e /dev/$2
tput cup 2 16; echo -e $NEWFST
tput cup 2 21; echo -e $NEWLBL
tput cup 2 38; echo -e $NEWUID

echo ''
read -n 1 -p 'CANCEL WITH CTRL+C OR PRESS ANY KEY TO CONTNUE...'

[[ $3 != nozero ]] && dcfldd if=/dev/zero of=/dev/$2 bs=4M
mkfs -t $OLDFST -L "$OLDLBL" -U $OLDUID /dev/$2
mkdir -p /mnt/partcopy-{old,new}
mount /dev/$1 /mnt/partcopy-old
mount /dev/$2 /mnt/partcopy-new
rsync -avPH --numeric-ids /mnt/partcopy-old/ /mnt/partcopy-new
umount /dev/$2
umount /dev/$1
rmdir /mnt/partcopy-{old,new}