From e91d152af8d752691e3215190dccc66c60a0e506 Mon Sep 17 00:00:00 2001
From: Xu Cheng
Date: Fri, 15 May 2015 19:41:31 +0800
Subject: Formulary#canonical_name: handle TapFormulaAmbiguityError

If there are multiple tap formulae with the name of ref,
then ref is the canonical name
---
 Library/Homebrew/formulary.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Library')

diff --git a/Library/Homebrew/formulary.rb b/Library/Homebrew/formulary.rb
index 2a0d43f92..b8413f7a0 100644
--- a/Library/Homebrew/formulary.rb
+++ b/Library/Homebrew/formulary.rb
@@ -202,6 +202,10 @@ class Formulary
 
   def self.canonical_name(ref)
     loader_for(ref).name
+  rescue TapFormulaAmbiguityError
+    # If there are multiple tap formulae with the name of ref,
+    # then ref is the canonical name
+    ref.downcase
   end
 
   def self.path(ref)
-- 
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