seafile_ynh/conf/upgrade_4.1.1.exp

#!/usr/bin/expect
set timeout 5

set mysql_password [lindex $argv 0]

spawn /var/www/seafile/seafile-server-4.3.1/upgrade/upgrade_4.0_4.1.sh

expect "to contiune"
send "\r";

expect "What is the root password for mysql?"
send "$mysql_password\r";

interact