From fab5e1d905cd243a9e8306dcd4e74b5f1d596f8f Mon Sep 17 00:00:00 2001
From: Adam Vandenberg
Date: Sat, 22 Feb 2014 14:52:17 -0800
Subject: add doctor check for HOMEBREW_KEEP_INFO

---
 Library/Homebrew/cmd/doctor.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Library/Homebrew/cmd/doctor.rb b/Library/Homebrew/cmd/doctor.rb
index cf691c7f9..71fd62e9c 100644
--- a/Library/Homebrew/cmd/doctor.rb
+++ b/Library/Homebrew/cmd/doctor.rb
@@ -1085,6 +1085,16 @@ end
         https://xquartz.macosforge.org
     EOS
   end
+
+  def check_for_old_env_vars
+    if ENV["HOMEBREW_KEEP_INFO"]
+      <<-EOS.undent
+      `HOMEBREW_KEEP_INFO` is no longer used
+      info files are no longer deleted by default; you may
+      remove this environment variable.
+      EOS
+    end
+  end
 end # end class Checks
 
 module Homebrew extend self
-- 
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