From cccbf302f220b6e113f5d34ec91979f5ca49c555 Mon Sep 17 00:00:00 2001
From: "Jason E. Aten" <j.e.aten@gmail.com>
Date: Sat, 3 Sep 2016 10:28:32 -0700
Subject: [PATCH] etcdctl/ctlv3: don't crash when we should prompt for pw.

 when 'etcdctl --user name get blah' is invoked to
 prompt for password, don't panic.

 addresses the segfault part of #6343
---
 etcdctl/ctlv3/command/global.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/etcdctl/ctlv3/command/global.go b/etcdctl/ctlv3/command/global.go
index 861763c76b1..c3159565037 100644
--- a/etcdctl/ctlv3/command/global.go
+++ b/etcdctl/ctlv3/command/global.go
@@ -243,7 +243,7 @@ func authCfgFromCmd(cmd *cobra.Command) *authCfg {
 	var cfg authCfg
 
 	splitted := strings.SplitN(userFlag, ":", 2)
-	if len(splitted) == 0 {
+	if len(splitted) < 2 {
 		cfg.username = userFlag
 		cfg.password, err = speakeasy.Ask("Password: ")
 		if err != nil {