From bd06a7926cbcdeb8d8d80f6eb46b5bde27b365e4 Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Thu, 20 Jul 2017 20:02:34 +0100
Subject: diagnostic: use ENV[]

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

(limited to 'Library/Homebrew')

diff --git a/Library/Homebrew/diagnostic.rb b/Library/Homebrew/diagnostic.rb
index 36a0d83a7..ceb6ad4d1 100644
--- a/Library/Homebrew/diagnostic.rb
+++ b/Library/Homebrew/diagnostic.rb
@@ -99,7 +99,7 @@ module Homebrew
       end
 
       def check_build_from_source
-        return unless ENV("HOMEBREW_BUILD_FROM_SOURCE")
+        return unless ENV["HOMEBREW_BUILD_FROM_SOURCE"]
 
         <<-EOS.undent
           You have HOMEBREW_BUILD_FROM_SOURCE set. This environment variable is
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