#!/bin/bash
#
# Copyright 2016 Univention GmbH
#
# http://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <http://www.gnu.org/licenses/>.

if [ "$1" = "-h" -o "$1" = "--help" ] ; then
	echo "$(basename "$0") [--dry-run]"
	echo
	echo "$(basename "$0") removes unused BDB backing files from"
	echo "/var/lib/ucs-school-webproxy/bdbtemp/."
	exit 1
fi

if [ "$1" = "--dry-run" ] ; then
	find /var/lib/ucs-school-webproxy/bdbtemp/ -name 'BDB*' -type f \( -exec lsof '{}' \; -o -fprintf /dev/stderr 'UNUSED BDB FILE: %p\n' \) > /dev/null
	exit 0
fi
find /var/lib/ucs-school-webproxy/bdbtemp/ -name 'BDB*' -type f \( -exec lsof '{}' \; -o -delete \) > /dev/null
