From 376fa599015f949a3eb5cd5afd2ebc4ae32be155 Mon Sep 17 00:00:00 2001
From: Charlie Sharpsteen <source@sharpsteen.net>
Date: Sun, 28 Oct 2012 12:30:52 -0700
Subject: [PATCH] brew-update: Guard non-directory files in Taps

Skip any entries returned by `Dir["Library/Taps/*"].each` that are not
directories.
---
 Library/Homebrew/cmd/update.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Library/Homebrew/cmd/update.rb b/Library/Homebrew/cmd/update.rb
index c15dfa042c..8b2d2e3d40 100644
--- a/Library/Homebrew/cmd/update.rb
+++ b/Library/Homebrew/cmd/update.rb
@@ -19,6 +19,8 @@ module Homebrew extend self
 
     new_files = []
     Dir["Library/Taps/*"].each do |tapd|
+      next unless File.directory?(tapd)
+
       cd tapd do
         begin
           updater = Updater.new