nut-debian/debian/nut-client.preinst

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#!/bin/sh
set -e
# Revert /etc/nut/nut.conf mangling done by older versions of the postinst
# See #677054
# changed configfile created by a fresh install in lenny, upgraded to squeeze
if [ "$1" = "install" -o "$1" = "upgrade" ] \
&& dpkg --compare-versions "$2" lt "2.6.4-2" \
&& [ -f /etc/nut/nut.conf ] \
&& [ "`md5sum /etc/nut/nut.conf | cut -d ' ' -f 1`" = 331cca39153f451c2968f4b734c1cf3f ]; then
sed -i '29,$ d' /etc/nut/nut.conf
fi
# changed configfile created by a fresh install in squeeze
if [ "$1" = "install" -o "$1" = "upgrade" ] \
&& dpkg --compare-versions "$2" lt "2.6.4-2" \
&& [ -f /etc/nut/nut.conf ] \
&& [ "`md5sum /etc/nut/nut.conf | cut -d ' ' -f 1`" = f9b571ae65952e3a761fac2202633478 ]; then
sed -i 's/^MODE=none$/MODE = none/' /etc/nut/nut.conf
fi
#DEBHELPER#