From 4f5643a67681f399dbabaeefb758a9c871ba513f Mon Sep 17 00:00:00 2001
From: constXife
Date: Tue, 6 Jun 2017 13:45:09 +0700
Subject: Fix undefined variable ruby_version

---
 Library/Homebrew/extend/os/mac/diagnostic.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'Library/Homebrew/extend')

diff --git a/Library/Homebrew/extend/os/mac/diagnostic.rb b/Library/Homebrew/extend/os/mac/diagnostic.rb
index 58d8c633d..913a5762b 100644
--- a/Library/Homebrew/extend/os/mac/diagnostic.rb
+++ b/Library/Homebrew/extend/os/mac/diagnostic.rb
@@ -195,7 +195,8 @@ module Homebrew
       end
 
       def check_ruby_version
-        return if RUBY_VERSION[/\d\.\d/] == "2.0"
+        ruby_version = "2.0"
+        return if RUBY_VERSION[/\d\.\d/] == ruby_version
 
         <<-EOS.undent
           Ruby version #{RUBY_VERSION} is unsupported on #{MacOS.version}. Homebrew
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