From fef8b0871de845dd7e9f5f6a40dbcda7620a4960 Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Thu, 18 Sep 2014 21:48:54 -0500
Subject: [PATCH] Remove obsolete nil guard

This was added in 3a7a3619f7016c75c3e53e944221bf7f6354a63b to make the
tests pass, but this method is now stubbed out in the tests, so we can
assume $? will be non-nil.
---
 Library/Homebrew/cmd/update.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/cmd/update.rb b/Library/Homebrew/cmd/update.rb
index 96d3fdd09d..6e065b1991 100644
--- a/Library/Homebrew/cmd/update.rb
+++ b/Library/Homebrew/cmd/update.rb
@@ -220,8 +220,8 @@ class Updater
 
   def `(cmd)
     out = super
-    if $? && !$?.success?
-      $stderr.puts out
+    unless $?.success?
+      $stderr.puts(out) unless out.empty?
       raise ErrorDuringExecution.new(cmd)
     end
     ohai(cmd, out) if ARGV.verbose?