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#!/bin/bash
#
# dupbackup: duplicity wrapper
# feedback: rhatto at riseup.net
#
# This is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or any later version.
#
# This software is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA
# Usage: dupbackup <host> [option]
USER="`whoami`"
LOCAL_FOLDER="/mnt/crypt/home/$USER/"
REMOVE_OLDER_THAN="3M"
KEY=""
HOST="$1"
OPTION="$2"
# Load configuration
if [ -e "$HOME/.config/scripts/dupbackup" ]; then
source $HOME/.config/scripts/dupbackup
fi
# Determine destination
if [ ! -z "$HOST" ]; then
DEST="/var/backups/remote/$USER/duplicity"
DEST="scp://$USER@$HOST/$DEST"
else
DEST="file:///var/backups/users/$USER/duplicity"
fi
# Check for option
if [ -z "$OPTION" ]; then
OPTION="incr"
fi
# Create temporary folder
mkdir -p $LOCAL_FOLDER/tmp/duplicity
# Do the backup
duplicity $OPTION -v6 --full-if-older-than $REMOVE_OLDER_THAN \
--allow-source-mismatch --encrypt-key $KEY \
--sign-key $KEY $LOCAL_FOLDER $DEST \
--tempdir $LOCAL_FOLDER/tmp/duplicity \
--exclude $LOCAL_FOLDER/tmp/duplicity
# Rotate older backups
duplicity remove-older-than $REMOVE_OLDER_THAN $DEST --force
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