From f818f0e68139fd1e7b2665f0cd415936aa8cc63d Mon Sep 17 00:00:00 2001
From: ilovezfs
Date: Fri, 19 Jan 2018 15:07:04 -0800
Subject: formula: reject dot dirs as racks

Dot directories are not racks because formulae names do not start with
"." so avoid attempting to descend into dot directories, which may not
always be possible (e.g. .Trashes).
---
 Library/Homebrew/formula.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index ad7e28a2e..1355e5945 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -1371,7 +1371,7 @@ class Formula
   def self.racks
     @racks ||= if HOMEBREW_CELLAR.directory?
       HOMEBREW_CELLAR.subdirs.reject do |rack|
-        rack.symlink? || rack.subdirs.empty?
+        rack.symlink? || rack.basename.to_s.start_with?(".") || rack.subdirs.empty?
       end
     else
       []
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