rsync reconnect on a failed transfers

rsycn_retry_on_fail

#!/bin/bash
while [ 1 ]
do
    rsync -avz --progress <user>@<host>:/usr/www/dmfrenzycom/public /var/www/vhosts/dmfrenzy.com/test/public
    if [ "$?" = "0" ]; then
        echo "rsync completed on its own";
        exit
    else
        echo "We failed, gotta catch them all";
        sleep 20;
    fi
done