#!/bin/sh
set -e



# Remove a no-longer used conffile
rm_conffile() {
	PKGNAME="$1"
	CONFFILE="$2"

	if [ -e "$CONFFILE" ]; then
		md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
		old_md5sum="`dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e \"\\\\' $CONFFILE'{s/ obsolete$//;s/.* //p}\"`"
		if [ "$md5sum" != "$old_md5sum" ]; then
			echo "Obsolete conffile $CONFFILE has been modified by you."
			echo "Saving as $CONFFILE.dpkg-bak ..."
			mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
		else
			echo "Removing obsolete conffile $CONFFILE ..."
			rm -f "$CONFFILE"
		fi
	fi
}

case "$1" in
install|upgrade)
	if dpkg --compare-versions "$2" le "2.32"; then
		rm_conffile installation-report "/etc/init.d/installation-report"
	fi
esac