From fcd62ce1eb8ac4ed775515f7e877946a62508d65 Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Thu, 10 Sep 2009 14:11:04 +0100
Subject: Don't install dependencies that are already installed

---
 Library/Homebrew/brew.h.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Homebrew/brew.h.rb b/Library/Homebrew/brew.h.rb
index 496e7afc0..de5048cc3 100644
--- a/Library/Homebrew/brew.h.rb
+++ b/Library/Homebrew/brew.h.rb
@@ -155,7 +155,7 @@ def expand_deps fae
       f.deps.each do |name|
         f = Formula.factory name
         deps << expand_deps(f) if f.deps # hideous inefficient
-        deps << f
+        deps << f unless f.installed?
       end
     when Hash
       # TODO implement optional and recommended
@@ -166,6 +166,7 @@ def expand_deps fae
     end
     deps << f
   end
+
   # TODO much more efficient to use a set and not recurse stuff already done
   return deps.flatten.uniq
 end
-- 
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