Duplicity backup script

backup.sh

#!/bin/bash

# This does a simple local-to-local duplicity backup with no encryption. It keeps backups for a year.

export LOGFILE=<path to log file>
export SOURCE=<path to source directory>
export DEST=<path to destination directory>

# Without this, duplicity gets upset.
ulimit -n 1024

date >> $LOGFILE
/usr/local/bin/duplicity remove-older-than 1Y file://"$SOURCE" >> $LOGFILE
/usr/local/bin/duplicity -v notice --allow-source-mismatch --no-encryption "$SOURCE" file://"$DEST" >> $LOGFILE