#!/usr/bin/expect
set timeout -1

spawn sudo /tmp/debianzfs.sh /dev/vda
expect "You selected to OVERWRITE '/dev/vda' as hostname 'debianzfs', are you sure? \\\[y/N] "
send "y\r"

expect "Enter passphrase:"
send "password123\r"
expect "Re-enter passphrase:"
send "password123\r"

expect "theunexpected"