From 8bdc7b92d8f9b5bff1207b362295abc226d1d79c Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Mon, 15 Jun 2015 21:18:12 -0400
Subject: [PATCH] Call expand_path on the value of HOMEBREW_CACHE

Fixes Homebrew/homebrew#40752.
---
 Library/Homebrew/config.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/config.rb b/Library/Homebrew/config.rb
index 294e32db20..fe153bf6db 100644
--- a/Library/Homebrew/config.rb
+++ b/Library/Homebrew/config.rb
@@ -1,6 +1,6 @@
 def cache
-  if ENV['HOMEBREW_CACHE']
-    Pathname.new(ENV['HOMEBREW_CACHE'])
+  if ENV["HOMEBREW_CACHE"]
+    Pathname.new(ENV["HOMEBREW_CACHE"]).expand_path
   else
     # we do this for historic reasons, however the cache *should* be the same
     # directory whichever user is used and whatever instance of brew is executed