From e7e53b89fce480cb4f35d801cc293ef23787fcaf Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Sun, 23 Apr 2017 11:40:53 +0100
Subject: [PATCH] global: set HOMEBREW_PATH if unset.

---
 Library/Homebrew/global.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/global.rb b/Library/Homebrew/global.rb
index 8726fa1a40..05af5bb670 100644
--- a/Library/Homebrew/global.rb
+++ b/Library/Homebrew/global.rb
@@ -53,6 +53,7 @@ HOMEBREW_PULL_OR_COMMIT_URL_REGEX = %r[https://github\.com/([\w-]+)/([\w-]+)?/(?
 
 require "compat" unless ARGV.include?("--no-compat") || ENV["HOMEBREW_NO_COMPAT"]
 
+ENV["HOMEBREW_PATH"] ||= ENV["PATH"]
 ORIGINAL_PATHS = ENV["HOMEBREW_PATH"].split(File::PATH_SEPARATOR).map do |p|
   begin
     Pathname.new(p).expand_path
-- 
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