From 99dda758c40a83149300af80131a0078a2858552 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Fri, 9 Feb 2018 21:09:18 +0000
Subject: [PATCH] utils: only look for gems in GEM_HOME.

This avoids issues where a gem is installed but cannot be found.

Fixes #3355.
Fixes #3760.
---
 Library/Homebrew/utils.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index 989f05b455..03924dcef2 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -200,6 +200,7 @@ module Homebrew
   def install_gem_setup_path!(name, version = nil, executable = name)
     # Match where our bundler gems are.
     ENV["GEM_HOME"] = "#{ENV["HOMEBREW_LIBRARY"]}/Homebrew/vendor/bundle/ruby/#{RbConfig::CONFIG["ruby_version"]}"
+    ENV["GEM_PATH"] = ENV["GEM_HOME"]
 
     # Make rubygems notice env changes.
     Gem.clear_paths