Subversion Repositories configs

#!/bin/bash

#

# ntp.sh: dhclient-script plugin for NTP settings,

#         place in /etc/dhcp/dhclient.d and 'chmod +x ntp.sh' to enable

#

# Copyright (C) 2008 Red Hat, Inc.

#

# 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, see <http://www.gnu.org/licenses/>.

#

# Author(s): David Cantrell <dcantrell@redhat.com>

#            Miroslav Lichvar <mlichvar@redhat.com>

#

CONF=/etc/ntp.conf

SAVECONF=${SAVEDIR}/${CONF##*/}.predhclient.${interface}

ntp_replace_conf() {

        echo "$1" | diff -q ${CONF} - > /dev/null 2>&1

        if [ $? -eq 1 ]; then

            echo "$1" > ${CONF}

            restorecon ${CONF} >/dev/null 2>&1

            service ntpd condrestart >/dev/null 2>&1

        fi

}

ntp_config() {

    if [ ! "${PEERNTP}" = "no" ] && [ -n "${new_ntp_servers}" ] &&

        [ -e ${CONF} ] && [ -d ${SAVEDIR} ]; then

        local conf=$(egrep -v '^server .*  # added by /sbin/dhclient-script$' < ${CONF})

        local unique_servers=$(comm -23 \

            <(for s in ${new_ntp_servers}; do echo $s; done | sort -u) \

            <(echo "$conf" | awk '$1=="peer"||$1=="server"{print $2}' | sort -u))

        conf=$(echo "$conf"

            for s in ${unique_servers}; do

                echo "server ${s}  # added by /sbin/dhclient-script"

            done)

        [ -f ${SAVECONF} ] || touch ${SAVECONF}

        ntp_replace_conf "$conf"

    fi

}

ntp_restore() {

    if [ -e ${CONF} ] && [ -f ${SAVECONF} ]; then

        local conf=$(egrep -v '^server .*  # added by /sbin/dhclient-script$' < ${CONF})

        ntp_replace_conf "$conf"

        rm -f ${SAVECONF}

    fi

}