pkg://welcome2l_3.04-18_amd64.deb:25890/preinst  info  downloads

#!/bin/sh
# $Id: preinst,v 1.2 2003/05/18 12:11:49 robert Exp $

set -e

W2L="welcome2l"

if [ "$1" = "upgrade" ] &&
	dpkg --compare-versions "$2" le-nl "3.04-13"; then

	# remove divertion of /etc/issue, dpkg doesn't support diverting
        # conffiles
	if dpkg-divert --list "$W2L" | grep -q "/etc/issue.*by.*$W2L" 2>/dev/null; then
    		rm -f /etc/issue && dpkg-divert --package $W2L --remove --rename \
		    --divert /etc/issue.$W2L /etc/issue

		echo 1>&2
		echo "Welcome2L will not longer modify your /etc/issue file!" 1>&2
		echo "Please see /use/share/doc/welcome2l/README.Debian for details!" 1>&2
		echo 1>&2
	fi

	# 
	[ -f "/etc/issue.$W2L.dpkg-new" ] &&
		mv -f "/etc/issue.$W2L.dpkg-new" "/etc/issue.dpkg-new"

	# Make sure that /etc/issue exists...
	if [ ! -f /etc/issue ]; then
		echo -n "Restoring the original /etc/issue..."
		 echo "Debian GNU/\s `cat /etc/debian_version`  \n \l" > /etc/issue
		 echo "done."
	fi
fi