From ac10b2ab50e987858b9fa5514785b12b7600787f Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Sat, 18 Mar 2017 16:56:59 +0200
Subject: [PATCH] Tap: add from_path helper method.

This makes it easier to turn an arbitrary path into a tap path.
---
 Library/Homebrew/tap.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Library/Homebrew/tap.rb b/Library/Homebrew/tap.rb
index ba55e3cf66..99138330b2 100644
--- a/Library/Homebrew/tap.rb
+++ b/Library/Homebrew/tap.rb
@@ -41,6 +41,15 @@ class Tap
     CACHE.fetch(cache_key) { |key| CACHE[key] = Tap.new(user, repo) }
   end
 
+  def self.from_path(path)
+    path.to_s =~ HOMEBREW_TAP_PATH_REGEX
+    raise "Invalid tap path '#{path}'" unless $1
+    fetch($1, $2)
+  rescue
+    # No need to error as a nil tap is sufficient to show failure.
+    nil
+  end
+
   extend Enumerable
 
   # The user name of this {Tap}. Usually, it's the Github username of