#!/bin/sh

# This script does personal backups to a rsync backup server. You will end up
# with a 7 day rotating incremental backup. The incrementals will go
# into subdirectories named after the day of the week, and the current
# full backup goes into a directory called "current"
#
# Original by tridge@linuxcare.com
# rsync-over-ssh improvements, dmo@linuxcare.com

USER=dmo
HOME=/home/$USER
HOST=talisker.i.linuxcare.ca

# the name of the backup machine
BSERVER=backup.i.linuxcare.ca

# the location on the target machine where your stuff goes
TARGET=/data/people/$USER/$HOST

# directories on to backup
BDIRS="/home/$USER /var/spool/mail /project"

# excludes file - this contains a wildcard pattern per line of files to exclude
EXCLUDES=$HOME/cron/excludes

export RSYNC_RSH="/usr/bin/ssh -i $HOME/.ssh/backup_key_dsa"

BACKUPDIR=`date +%A`
OPTS="-v --force --ignore-errors --delete-excluded --exclude-from=$EXCLUDES --delete --backup --backup-dir=$TARGET/$BACKUPDIR -a"

export PATH=$PATH:/bin:/usr/bin:/usr/local/bin

# the following line clears the last weeks incremental directory
echo "Purging last week's backup for $BACKUPDIR"
[ -d $HOME/emptydir ] || mkdir $HOME/emptydir
rsync --delete -a $HOME/emptydir/ $USER@$BSERVER:$TARGET/$BACKUPDIR/
rmdir $HOME/emptydir

echo "Transferring today's backup"
# now the actual transfer
for dir in $BDIRS; do
	rsync $OPTS $dir $USER@$BSERVER:$TARGET/current
done
echo "Done."