+# -*- coding: utf-8 -*-
+#
+# This file is part of MIL/PEER, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from __future__ import unicode_literals
+
from django.dispatch import Signal
-post_commit = Signal()
-post_publishable = Signal(providing_args=['publishable'])
+post_commit = Signal(providing_args=['instance'])
+post_merge = Signal(providing_args=['fast_forward', 'instance'])