From 58a1bd6dbf0b041b3c5c23dc190680e82bf64ae0 Mon Sep 17 00:00:00 2001
From: Shaun Jackman
Date: Wed, 20 Sep 2017 11:58:52 -0700
Subject: popen: Do not suppress stderr when HOMEBREW_STDERR

---
 Library/Homebrew/utils/popen.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Library/Homebrew/utils')

diff --git a/Library/Homebrew/utils/popen.rb b/Library/Homebrew/utils/popen.rb
index f30a2a0fe..2fa3ade46 100644
--- a/Library/Homebrew/utils/popen.rb
+++ b/Library/Homebrew/utils/popen.rb
@@ -13,7 +13,7 @@ module Utils
         return pipe.read unless block_given?
         yield pipe
       else
-        options[:err] ||= :close
+        options[:err] ||= :close unless ENV["HOMEBREW_STDERR"]
         exec(*args, options)
       end
     end
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