#!/bin/bash

#check if servershare is mounted
if [ ! -f /mnt/backup/donotdelete ]
    then
        mount -t smbfs -o username=foo,password=bar//server/backup /mnt/backup
fi

# get backup
/usr/bin/rdiff-backup --exclude /mnt --exclude /home/backup --exclude /proc --exclude /sys --exclude /var/run --exclude /tmp / /home/backup/local-backup

# delete old backups, tar.gz the new one
cd /home/backup
rm -rf /mnt/backup/backup-*.tar.gz
tar -cvzPf /mnt/backup/backup-`date "+%s"`.tar.gz local-backup/
cd /

umount /mnt/backup