Connects to an IP through SSH and run git pull origin master.
You will have to add you details as follows:
set ip MY_IP
set user USERNAME
set password PASSWORD
set path PATH
MY_IP = replace it with your server IP
USERNAME = replace it with your username
PASSWORD = replace it with your password
PATH = replace it with full path to the website folder ie: "/var/www/my_project"
In case it will return an error for "expected" library. Just install the lib.
apt-get install expect