1 files changed, 15 insertions, 0 deletions
diff --git a/Library/Homebrew/compat/compatibility.rb b/Library/Homebrew/compat/compatibility.rb
index f0d6ab0b1..67f540844 100644
--- a/Library/Homebrew/compat/compatibility.rb
+++ b/Library/Homebrew/compat/compatibility.rb
@@ -99,6 +99,21 @@ class Formula
       val.nil? ? @bottle_sha1 : @bottle_sha1 = val
     end
   end
+
+  # These methods return lists of Formula objects.
+  # They are eprecated in favor of Dependency::expand_dependencies
+  # and Formula#recursive_dependencies, which return lists of
+  # Dependency objects instead.
+  def self.expand_deps f
+    f.deps.map do |dep|
+      f_dep = Formula.factory dep.to_s
+      expand_deps(f_dep) << f_dep
+    end
+  end
+
+  def recursive_deps
+    Formula.expand_deps(self).flatten.uniq
+  end
 end
 
 class UnidentifiedFormula < Formula