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#!/bin/sh
#
# 92-ec2-upgrade-available - update-motd script
#
# Copyright (C) 2010 Canonical Ltd.
#
# Authors: Scott Moser <smoser@ubuntu.com>
#
# 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, version 3 of the License.
#
# 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/>.
# Determining if updates are available is possibly slow.
# a cronjob runs occasioinally and updates a file with information
# on the latest available release (if newer than current)
BUILD_FILE=/var/lib/cloud/data/available.build
[ -s "${BUILD_FILE}" ] || exit 0
read suite build_name name serial < "${BUILD_FILE}"
cat <<EOF
A newer build of the Ubuntu ${suite} ${build_name} image is available.
It is named '${name}' and has build serial '${serial}'.
EOF
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