From 47dcc3f770b150548e9be0349a817716e9d19fa1 Mon Sep 17 00:00:00 2001
From: Adam Vandenberg
Date: Tue, 8 Jan 2013 21:27:18 -0800
Subject: Cleaner: allow non-empty paths to be pruned from cleaning

---
 Library/Homebrew/cleaner.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Homebrew/cleaner.rb b/Library/Homebrew/cleaner.rb
index 7fd116a90..2d9ce516b 100644
--- a/Library/Homebrew/cleaner.rb
+++ b/Library/Homebrew/cleaner.rb
@@ -26,7 +26,13 @@ class Cleaner
     # We want post-order traversal, so use a stack.
     paths = []
     f.prefix.find do |path|
-      paths << path if path.directory?
+      if path.directory?
+        if f.skip_clean? path
+          Find.prune
+        else
+          paths << path
+        end
+      end
     end
 
     paths.each do |d|
-- 
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