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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