External: 'brew fetch' downloads tarballs to cache.

Library/Contributions/examples/brew-fetch.rb

@@ -0,0 +1,7 @@
+# Downloads the tarballs for the given formulae to the Cache
+
+require 'formula'
+
+ARGV.formulae.each do |f|
+  f.downloader.fetch
+end

Library/Homebrew/formula.rb

@@ -70,6 +70,8 @@ end
 class Formula
   include FileUtils
   
+  attr_reader :url, :version, :homepage, :name, :specs, :downloader
+
   # Homebrew determines the name
   def initialize name='__UNKNOWN__'
     set_instance_variable 'url'
@@ -119,8 +121,6 @@ class Formula
     @downloader.cached_location
   end
 
-  attr_reader :url, :version, :homepage, :name, :specs
-
   def bin; prefix+'bin' end
   def sbin; prefix+'sbin' end
   def doc; prefix+'share/doc'+name end