###
### source common stuff
###
dbc_go(){
	. /usr/share/dbconfig-common/dpkg/common
	local cfg
	_dbc_debug "(postrm) dbc_go() $@"
	dbc_config $@

	if [ "$dbc_command" = "upgrade" ]; then
		dbc_read_package_config
		dbc_preseed_package_debconf
	elif [ "$dbc_command" = "purge" ]; then
		# remove the dbc configuration file
		rm -f /etc/dbconfig-common/$dbc_package.conf || true
		if which ucf >/dev/null 2>&1; then
			cfg="/etc/dbconfig-common/$dbc_package.conf"
			ucf -p "$cfg" || true
			ucfr -p "$dbc_package" "$cfg"
		fi
		# forget everything we ever new related to debconf+dbc
		for t in $dbc_register_templates; do
			db_unregister $dbc_package/$t || true
		done
	fi
}