From 3b40dcedf8ee2f6809897e812b5867cf1efeb043 Mon Sep 17 00:00:00 2001
From: Xu Cheng <xu-cheng@users.noreply.github.com>
Date: Mon, 2 May 2016 17:58:41 +0800
Subject: [PATCH] update: more help flag (#180)

To be synced with the help flag list in brew.rb
---
 Library/Homebrew/cmd/update.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index 29206b37f8..abd9df2148 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -234,7 +234,7 @@ homebrew-update() {
   for option in "$@"
   do
     case "$option" in
-      --help) brew help update; exit $? ;;
+      -?|-h|--help|--usage) brew help update; exit $? ;;
       --verbose) HOMEBREW_VERBOSE=1 ;;
       --debug) HOMEBREW_DEBUG=1;;
       --merge) HOMEBREW_MERGE=1 ;;