#!/bin/sh

set -e 

mvverbose=-v

# from dpkg-maintscript-helper, modified
ensure_package_owns_file() {
	local PACKAGE="$1"
	local FILE="$2"

	dpkg-query -L "$PACKAGE" | grep -F -q -x "$FILE"
}

# from dpkg-maintscript-helper
abort_rm_conffile() {
	local CONFFILE="$1"
	local PACKAGE="$2"

	ensure_package_owns_file "$PACKAGE" "$CONFFILE" || return 0

	if [ -e "$CONFFILE.dpkg-remove" ]; then
		echo "Reinstalling $CONFFILE that was moved away"
		mv $mvverbose "$CONFFILE.dpkg-remove" "$CONFFILE"
	fi
	if [ -e "$CONFFILE.dpkg-backup" ]; then
		echo "Reinstalling $CONFFILE that was backupped"
		mv $mvverbose "$CONFFILE.dpkg-backup" "$CONFFILE"
	fi
}

if [ "$1" = abort-upgrade ] && dpkg --compare-versions "$2" lt 12.1.6; then
	abort_rm_conffile /etc/default/bsdmainutils
	abort_rm_conffile /etc/cron.daily/bsdmainutils
fi