From a6aa46720af1096194106bf1008af776e2e57aac Mon Sep 17 00:00:00 2001
From: Brandon Philips <brandon.philips@coreos.com>
Date: Fri, 29 Jan 2016 07:08:21 -0800
Subject: [PATCH] dm: set flag.Usage to usage

Now when `--help` is called we get all of the subcommands listed too.
---
 dm/dm.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dm/dm.go b/dm/dm.go
index 152e792dc..ebed53b6f 100644
--- a/dm/dm.go
+++ b/dm/dm.go
@@ -120,6 +120,10 @@ func getGithubCredential() *common.RegistryCredential {
 	return nil
 }
 
+func init() {
+	flag.Usage = usage
+}
+
 func main() {
 	defer func() {
 		result := recover()