From ab01c1e3579c5065c036a4bd5c9a565e118acf2a Mon Sep 17 00:00:00 2001
From: Max Howell <max@methylblue.com>
Date: Sat, 17 Mar 2012 00:04:11 +0000
Subject: [PATCH] Plain `brew tap` doesn't error if no Library/Taps

Fixes Homebrew/homebrew#10994.
---
 Library/Homebrew/cmd/tap.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/cmd/tap.rb b/Library/Homebrew/cmd/tap.rb
index bfbc4a410d..dcf3089523 100644
--- a/Library/Homebrew/cmd/tap.rb
+++ b/Library/Homebrew/cmd/tap.rb
@@ -2,9 +2,10 @@ module Homebrew extend self
 
   def tap
     if ARGV.empty?
-      (HOMEBREW_LIBRARY/"Taps").children.each do |tap|
+      tapd = HOMEBREW_LIBRARY/"Taps"
+      tapd.children.each do |tap|
         puts tap.basename.sub('-', '/') if (tap/'.git').directory?
-      end
+      end if tapd.directory?
     else
       install_tap(*tap_args)
     end