#! /bin/sh
#
# This file is part of DisOrder
# Copyright (C) 2011 Richard Kettlewell
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
set -e

# Maximum backup age
MAXAGE=7

# Enable backups
BACKUP=true

# Enable pruning
PRUNE=true

# All operator to override settings
if test -e /etc/default/disorder; then
  . /etc/default/disorder
fi

if ${BACKUP}; then
  # Ensure the backup directory exists
  mkdir -m 0700 -p /var/lib/disorder/backups

  # Take a backup
  disorder-dump --dump /var/lib/disorder/backups/$(date +%F)
fi

if ${PRUNE}; then
  # Delete old backups
  find /var/lib/disorder/backups -type f -ctime +${MAXAGE} -print0 \
  | xargs -r0 rm -f
fi