#!/bin/sh
#
# Copyright © 2006-2008 Jonas Smedegaard <dr@jones.dk>
# Description: Update Copy-On-Write environment
#
# 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, 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., 59 Temple Place, Suite 330, Boston, MA
# 02111-1307 USA.
#
# Depends: sudo

set -e

PRG=$(basename "$0")

showhelp() {
	cat <<EOF
Usage:   $PRG POOL

Example: $PRG sarge_with_hacks
EOF
}

if [ $# -eq 0 ]; then
	showhelp
	exit 1
fi

export DEBIAN_FRONTEND="noninteractive"
export LANG=C

for pool in $@; do
	basepath="/var/cache/pbuilder/cow-$pool"
	aptcache=""
#	sudo cowbuilder --update \
#	--basepath "$basepath" \
#	--aptcache "$aptcache"
	sudo chroot "$basepath" apt-get -y --force-yes update
	sudo chroot "$basepath" apt-get -y --force-yes upgrade
	sudo chroot "$basepath" apt-get -y --force-yes clean
done