From b7000aec3756f47a6ef8fe299bb3843204695b02 Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Mon, 21 Oct 2013 20:16:57 +0100
Subject: install: silently ignore already tapped taps.

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

(limited to 'Library')

diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index b77121a19..a8bd6454f 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -18,7 +18,10 @@ module Homebrew extend self
       end
       if not File.exist? name and name =~ HOMEBREW_TAP_REGEX then
         require 'cmd/tap'
-        install_tap $1, $2
+        begin
+          install_tap $1, $2
+        rescue AlreadyTappedError => e
+        end
       end
     end unless ARGV.force?
 
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