brew --cache [formula]

This developer-oriented command lets you ask Homebrew what the cached
filename will be for a brew's tarball.

2 files changed, 6 insertions, 0 deletions

diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index e60b879b6..b49cf4d6e 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -53,6 +53,8 @@ class AbstractDownloadStrategy
 end
 
 class CurlDownloadStrategy <AbstractDownloadStrategy
+  attr_reader :tarball_path
+  
   def initialize url, name, version, specs
     super
     if @unique_token
diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 0af5651e3..34cd5ef24 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -133,6 +133,10 @@ class Formula
     self.class.path name
   end
 
+  def cached_download
+    @downloader.tarball_path
+  end
+
   attr_reader :url, :version, :homepage, :name, :specs
 
   def bin; prefix+'bin' end