Added revision to page_published signal. Fixes #1765

wagtail/wagtailcore/models.py

@@ -1224,7 +1224,7 @@ class PageRevision(models.Model):
         page.revisions.update(submitted_for_moderation=False)
 
         if page.live:
-            page_published.send(sender=page.specific_class, instance=page.specific)
+            page_published.send(sender=page.specific_class, instance=page.specific, revision=self)
 
             logger.info("Page published: \"%s\" id=%d revision_id=%d", page.title, page.id, self.id)
         elif page.go_live_at:

wagtail/wagtailcore/signals.py

@@ -1,5 +1,5 @@
 from django.dispatch import Signal
 
 
-page_published = Signal(providing_args=['instance'])
+page_published = Signal(providing_args=['instance', 'revision'])
 page_unpublished = Signal(providing_args=['instance'])