From 5e09a6a7436f5a5a44332fbb5c957c83ce9a3bac Mon Sep 17 00:00:00 2001
From: Syed Humza Shah <humzashah@gmail.com>
Date: Fri, 20 Nov 2015 14:40:28 +0000
Subject: [PATCH] keg_relocate: replaced 'if' with guard clause

Closes Homebrew/homebrew#46211.
---
 Library/Homebrew/keg_relocate.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/keg_relocate.rb b/Library/Homebrew/keg_relocate.rb
index 0490b05c62..28eb5ef0f4 100644
--- a/Library/Homebrew/keg_relocate.rb
+++ b/Library/Homebrew/keg_relocate.rb
@@ -56,6 +56,8 @@ class Keg
       changed = s.gsub!(old_cellar, new_cellar)
       changed = s.gsub!(old_prefix, new_prefix) || changed
 
+      next unless changed
+
       begin
         first.atomic_write(s)
       rescue SystemCallError
@@ -64,7 +66,7 @@ class Keg
         end
       else
         rest.each { |file| FileUtils.ln(first, file, :force => true) }
-      end if changed
+      end
     end
   end