Rdiff-backup shell script.

backup.sh

#!/bin/bash
# Shell script to run rdiff-backup. 
# Put this in your crontab to run this every hour: 
# 0 * * * * /home/seth/root/bin/backup.sh

# Change these locations to suit
BACKUP_DIR=/opt/backup/$HOSTNAME
BACKUP_LOG=$HOME/backup.log

savelog -n -c 7 "$BACKUP_LOG"

if [ ! -e $BACKUP_DIR ]; then
    echo "$(date -R) Warning: backup directory missing; is your backup disk mounted?" | tee -a "$BACKUP_LOG"
fi

echo "$(date -R) Backup started" >> "$BACKUP_LOG"

rdiff-backup --print-statistics "$HOME" "$BACKUP_DIR" 2>>"$BACKUP_LOG"
if [ $? != 0 ]; then
    echo "rdiff-backup exit Code: $status - Command Unsuccessful" >>"$BACKUP_LOG";
    echo "$(date -R) Backup failed" >> "$BACKUP_LOG"
    exit 1;
fi

# Remove backups older than a year - tune this for your backup size & backup disk size
rdiff-backup --force --remove-older-than 12M "$BACKUP_DIR"

echo "$(date -R) Backup completed" >> "$BACKUP_LOG"