From fe597c00df49099ca82fb8ca93c9d95ef5f36fc1 Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Tue, 20 May 2014 23:18:18 -0500
Subject: [PATCH] Don't fetch the value just to throw it away

---
 Library/Homebrew/cmd/--env.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/--env.rb b/Library/Homebrew/cmd/--env.rb
index 72089b7d14..62675fd22b 100644
--- a/Library/Homebrew/cmd/--env.rb
+++ b/Library/Homebrew/cmd/--env.rb
@@ -31,7 +31,7 @@ module Homebrew extend self
       HOMEBREW_SVN HOMEBREW_GIT
       HOMEBREW_SDKROOT HOMEBREW_BUILD_FROM_SOURCE
       MAKE GIT CPP
-      ACLOCAL_PATH PATH CPATH].select{ |key| env.fetch(key) if env.key? key }
+      ACLOCAL_PATH PATH CPATH].select { |key| env.key?(key) }
   end
 
   def dump_build_env env