#!/bin/sh
set -e

for pkg in ${PIUPARTS_OBJECTS%%=*}
do
	dpkg-query -W -f='${Conffiles}\n' $pkg | \
		grep ' obsolete$' | \
		while read file md5expected obs
		do
			info="OBSOLETE CONFFILE $file REGISTERED BY $pkg"
			query=$(dpkg-query -S "$file" || echo "???: $file")
			owner=${query%: ${file}}
			if [ "${owner%:*}" != "$pkg" ]; then
				info="${info} OWNER CHANGED TO $owner"
			fi
			if [ ! -f "$file" ]; then
				info="${info} (MISSING)"
			else
				md5=$(md5sum "$file" | awk '{ print $1 }')
				if [ "$md5expected" != "$md5" ]; then
					info="${info} (MODIFIED)"
				fi
			fi

			echo "$info"
		done
done