#!/bin/bash
if [ "$(whoami)" != "root" ]; then
    echo Needs to be run as root.
    exit 1;
fi

if (ping -c 4 "$1" | grep -c ' 0% packet loss,'); then
    printf "Are you sure you want to back everything up to %s?\nIs the root password set and all storage mounted?\nDo you have time for this backup to complete?\nEnter YES in all capitals to continue..." "$1"
    read answer
    if [ "$answer" != "YES" ]; then
        echo User did not confirm.
        exit 1;
    else
        rsync -aAXv --delete --exclude={"/dev/*","/proc/*","/sys/*","/tmp/*","/run/*","/mnt/*","/media/*","/lost+found"} / root@"$1":/mnt/
        status="$?"
        echo rsync exited with status $status
        exit $status
    fi
else
    echo "Host is not responding in a timely fashion."
    exit 1;
fi