From aaa945be686f885cc87e8e41d8861ab12955f674 Mon Sep 17 00:00:00 2001
From: Xu Cheng <xucheng@me.com>
Date: Sun, 29 Nov 2015 15:34:07 +0800
Subject: [PATCH] missing: use installed_prefixes

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

diff --git a/Library/Homebrew/cmd/missing.rb b/Library/Homebrew/cmd/missing.rb
index 14d76f54e4..6805548a8c 100644
--- a/Library/Homebrew/cmd/missing.rb
+++ b/Library/Homebrew/cmd/missing.rb
@@ -15,7 +15,7 @@ module Homebrew
       end
 
       missing_deps.map!(&:to_formula)
-      missing_deps.reject! { |d| d.rack.exist? && d.rack.subdirs.length > 0 }
+      missing_deps.reject! { |d| d.installed_prefixes.any? }
 
       unless missing_deps.empty?
         yield f.full_name, missing_deps if block_given?