File: nut.preinst

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nut 2.4.3-1.1squeeze2
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#!/bin/sh -e

if [ "$1" = upgrade ]; then
    # remove the obsolete udev file
    [ -f /etc/udev/rules.d/025_nut-usbups.rules ] && rm -f /etc/udev/rules.d/025_nut-usbups.rules

    # Remove previous rules if unchanged, otherwise move to new filename.
    if [ -e "/etc/udev/rules.d/52_nut-usbups.rules" ]; then
	    if [ "`md5sum \"/etc/udev/rules.d/52_nut-usbups.rules\" | sed -e \"s/ .*//\"`" = \
		 "`dpkg-query -W -f='${Conffiles}' nut | sed -n -e \"\\\\' /etc/udev/rules.d/52_nut-usbups.rules's/.* //p\"`" ]
	    then
		    rm -f "/etc/udev/rules.d/52_nut-usbups.rules"
	    else
		    mv "/etc/udev/rules.d/52_nut-usbups.rules" "/etc/udev/rules.d/52-nut-usbups.rules"
	    fi
    fi

	# migrate /etc/default/nut to /etc/nut/nut.conf (part #1)
	# we need to do this before default gets trashed
	if [ -f /etc/default/nut ] ; then
		# backup /etc/default/nut
		cp /etc/default/nut /etc/default/nut.bak
	fi
fi

#DEBHELPER#