#!/bin/bash
# Copyright (C) 2009 Daniel Drake <dsd@laptop.org>
# Copyright (C) 2010 Paraguay Educa <http://paraguayeduca.org>
#
# This program 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
# (at your option) any later version.
#
# This program 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  US 

# make the lock dir if needed
# we will keep the (empty) file around
if [ ! -d ~/.sugar/default/lock ]; then
	mkdir ~/.sugar/default/lock || exit 1;
fi

LOCKFILE=~/.sugar/default/lock/ds-backup.run
# this fails when (this script is) copied to a usb stick 
#flock -n $LOCKFILE `dirname $0 `/ds-backup.py
flock -n $LOCKFILE ds-backup.py

exit $?