From 021cef4b2bfebe330fa55e9dcc904a08932bad94 Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Sat, 10 Jun 2017 20:12:55 +0300
Subject: Autocorrect Rubocop Style/SpecialGlobalVars.

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

(limited to 'Library/Homebrew/os')

diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index 885ef57e0..d957792af 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -118,7 +118,7 @@ module OS
         ].uniq.each do |xcodebuild_path|
           next unless File.executable? xcodebuild_path
           xcodebuild_output = Utils.popen_read(xcodebuild_path, "-version")
-          next unless $?.success?
+          next unless $CHILD_STATUS.success?
 
           xcode_version = xcodebuild_output[/Xcode (\d(\.\d)*)/, 1]
           return xcode_version if xcode_version
-- 
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