From 572ce1c6a98fe61aa381f33b18c72854a310d9cd Mon Sep 17 00:00:00 2001
From: Victor Vieux <victor.vieux@docker.com>
Date: Fri, 7 Mar 2014 23:39:03 +0000
Subject: [PATCH] handle capital

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
---
 mflag/flag.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mflag/flag.go b/mflag/flag.go
index 8b3d61e..f16f641 100644
--- a/mflag/flag.go
+++ b/mflag/flag.go
@@ -290,7 +290,7 @@ type flagSlice []string
 
 func (p flagSlice) Len() int { return len(p) }
 func (p flagSlice) Less(i, j int) bool {
-	pi, pj := p[i], p[j]
+	pi, pj := strings.ToLower(p[i]), strings.ToLower(p[j])
 	if pi[0] == '-' {
 		pi = pi[1:]
 	}