From 82eee276e3cbd5ace72606273484022e69390334 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Sat, 21 Sep 2013 15:15:07 +0100
Subject: [PATCH] versions: add bottle filenames method.

Closes Homebrew/homebrew#22727.
---
 Library/Homebrew/cmd/versions.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Library/Homebrew/cmd/versions.rb b/Library/Homebrew/cmd/versions.rb
index ffd2c00c8b..bfb8f14d99 100644
--- a/Library/Homebrew/cmd/versions.rb
+++ b/Library/Homebrew/cmd/versions.rb
@@ -36,6 +36,17 @@ class Formula
     return versions
   end
 
+  def bottle_filenames branch='HEAD'
+    filenames = []
+    rev_list(branch).each do |sha|
+      filename = formula_for_sha(sha) {|f| bottle_filename f }
+      unless filenames.include? filename or filename.nil?
+        filenames << filename
+      end
+    end
+    return filenames
+  end
+
   def pretty_relative_path
     if Pathname.pwd == repository
       entry_name