From acb802996cfb7334889a7947d5631228902b8029 Mon Sep 17 00:00:00 2001
From: David Calavera <david.calavera@gmail.com>
Date: Fri, 26 Jul 2013 18:12:05 -0700
Subject: [PATCH] Use a more idiomatic syntax to capture the exit.
 Upstream-commit: c3154fdf4d15aed049a9c18a36cc8511ed7e82c1 Component: engine

---
 components/engine/commands.go | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/components/engine/commands.go b/components/engine/commands.go
index 53f6706ae4..e078a97fd1 100644
--- a/components/engine/commands.go
+++ b/components/engine/commands.go
@@ -333,12 +333,11 @@ func (cli *DockerCli) CmdLogin(args ...string) error {
 		authconfig = auth.AuthConfig{}
 	}
 
-	c := make(chan os.Signal, 1)
-	signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
+	sigchan := make(chan os.Signal, 1)
+	signal.Notify(sigchan, syscall.SIGINT, syscall.SIGTERM)
 	go func() {
-		for sig := range c {
-			os.Exit(1)
-		}
+		<-sigchan
+		os.Exit(1)
 	}()
 
 	if *flUsername == "" {