From 1880853f15b1f0534c99b141b10eaa48613e8ce5 Mon Sep 17 00:00:00 2001
From: Kyle Allan <kallan@riotgames.com>
Date: Thu, 24 Jul 2014 23:48:10 -0700
Subject: [PATCH] copy the CommandNotFound when running as a subcommand

---
 app.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app.go b/app.go
index e193b82..4ae0c5e 100644
--- a/app.go
+++ b/app.go
@@ -151,6 +151,9 @@ func (a *App) RunAsSubcommand(ctx *Context) error {
 		}
 	}
 
+	// add the App's CommandNotFound
+	a.CommandNotFound = ctx.App.CommandNotFound
+
 	// append flags
 	if a.EnableBashCompletion {
 		a.appendFlag(BashCompletionFlag)