From a94e767acb499bc7c86844d502fd799e3360c534 Mon Sep 17 00:00:00 2001
From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Thu, 28 Aug 2014 09:35:06 +0200
Subject: [PATCH] AppGroups produce more AppGroups

---
 flask/cli.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/flask/cli.py b/flask/cli.py
index 22443b89..d193e290 100644
--- a/flask/cli.py
+++ b/flask/cli.py
@@ -226,6 +226,14 @@ class AppGroup(click.Group):
             return click.Group.command(self, *args, **kwargs)(f)
         return decorator
 
+    def group(self, *args, **kwargs):
+        """This works exactly like the method of the same name on a regular
+        :class:`click.Group` but it defaults the group class to
+        :class:`AppGroup`.
+        """
+        kwargs.setdefault('cls', AppGroup)
+        return click.Group.group(self, *args, **kwargs)
+
 
 class FlaskGroup(AppGroup):
     """Special subclass of the the :class:`AppGroup` group that supports