Formula.racks: exclude empty rack

Fixes https://github.com/Homebrew/homebrew-bundle/issues/121 Closes Homebrew/homebrew#45879. Signed-off-by: Xu Cheng <xucheng@me.com>
2015-11-11 14:14:58 +08:00 · 2015-11-11 14:14:58 +08:00 · 0d74967ceb
commit 0d74967ceb
parent 4d772042f7
1 changed files with 3 additions and 1 deletions
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@ -1052,7 +1052,9 @@ class Formula
  # @private
  def self.racks
    @racks ||= if HOMEBREW_CELLAR.directory?
-      HOMEBREW_CELLAR.subdirs.reject(&:symlink?)
+      HOMEBREW_CELLAR.subdirs.reject do |rack|
+        rack.symlink? || rack.subdirs.empty?
+      end
    else
      []
    end