From 4d584d37f73e0ca107c65fefd80df64e662cfd1c Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Mon, 29 Dec 2014 12:28:43 +0000
Subject: [PATCH] test-bot: don't try to retap TapDependency taps.

---
 Library/Homebrew/cmd/test-bot.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/test-bot.rb b/Library/Homebrew/cmd/test-bot.rb
index 328bc34824..9f8eb947a5 100644
--- a/Library/Homebrew/cmd/test-bot.rb
+++ b/Library/Homebrew/cmd/test-bot.rb
@@ -381,7 +381,10 @@ module Homebrew
 
       begin
         deps.each do |dep|
-          system "brew", "tap", dep.tap if dep.is_a? TapDependency
+          if dep.is_a?(TapDependency) && dep.tap
+            tap_dir = Homebrew.homebrew_git_repo dep.tap
+            test "brew", "tap", dep.tap unless tap_dir.directory?
+          end
           CompilerSelector.select_for(dep.to_formula)
         end
         CompilerSelector.select_for(formula)