#!/bin/bash

                # Konfigurační proměnné
LOCALHOST=192.168.1.12      # Localni adresa serveru
WEBHOST=XXX         # Webova adresa serveru
SRC="/home/"            # Co chceme zálohovat
DST="/home/squirrel/notebook/"  # Kam chceme zálohovat
echo "Config. variables loaded, ready to ping"

# -c = Kolikrát má pingnout
# -w = Jak dlouho se čeká na odezvu
ping -c 1 -w 5 $LOCALHOST &>/dev/null

# $? - Návratová hodnota posledního dokončeného procesu.
# Pokud se nerovná 0
if [ $? -ne 0 ] ; then

   echo "$LOCALHOST is down!  Trying $WEBHOST, you are not yet fired"
   ping -c 1 -w 5 $WEBHOST &>/dev/null

   if [ $? -ne 0 ] ; then

        echo "$LOCALHOST and $WEBHOST is down, you are propably fired... "
        exit

   else

        HOST=$WEBHOST

   fi

else

   HOST=$LOCALHOST

fi


echo "$HOST is now the target and prepared to sync"

# -a => archive mode; equals -rlptgoD (no -H,-A,-X)
# -v => increase verbosity
# -z => compress file data during the transfer
# -c => skip based on checksum, not mod-time & size
# -e => specify the remote shell to use
# --progress   => show progress during transfer
# --bwlimit=xx => limit I/O bandwidth; KBytes per second
# --delete     => delete extraneous files from destination dirs
rsync -avzce ssh --delete --bwlimit=50 --progress $SRC squirrel@$HOST:$DST

# Original by [email protected]
# Commented by [email protected]