From 63408a10ff677909f4397c5c94cfa1f2007c0826 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Tue, 28 Nov 2017 14:52:08 +0000
Subject: [PATCH] bin/brew: whitelist http_proxy.

Fixes #3494.
---
 bin/brew | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/brew b/bin/brew
index f058fa34f8..4b5488a459 100755
--- a/bin/brew
+++ b/bin/brew
@@ -88,7 +88,7 @@ then
   PATH="/usr/bin:/bin:/usr/sbin:/sbin"
 
   FILTERED_ENV=()
-  for VAR in HOME SHELL PATH TERM LOGNAME USER CI TRAVIS \
+  for VAR in HOME SHELL PATH TERM LOGNAME USER CI TRAVIS http_proxy \
              "${!HOMEBREW_@}" "${!TRAVIS_@}" "${!JENKINS_@}"
   do
     # Skip if variable value is empty.