Add fast_remote_cache:prepare for priming the cached-copy.

lib/capistrano/recipes/deploy/strategy/fast_remote_cache.rb

@@ -14,6 +14,10 @@ def setup!
     upload(File.join(File.dirname(__FILE__), "utilities", "copy.rb"), File.join(bin_path, "copy.rb"))
   end
 
+  def prepare!
+    update_repository_cache
+  end
+
   private
 
     def bin_path

recipes/fast_remote_cache.rb

@@ -12,10 +12,24 @@
     if deploy_via == :fast_remote_cache
       strategy.setup!
     else
-      logger.warn "you're including the fast_remote_cache strategy, but not using it!"
+      logger.important "you're including the fast_remote_cache strategy, but not using it!"
     end
   end
 
+  desc <<-DESC
+    Updates the remote cache. This is handy for either priming a new box so
+    the cache is all set for the first deploy, or for preparing for a large
+    deploy by making sure the cache is updated before the deploy goes through.
+    Either way, this will happen automatically as part of a deploy; this task
+    is purely convenience for giving admins more control over the deployment.
+  DESC
+  task :prepare, :except => { :no_release => true } do
+    if deploy_via == :fast_remote_cache
+      strategy.prepare!
+    else
+      logger.important "#{current_task.fully_qualified_name} only works with the fast_remote_cache strategy"
+    end
+  end
 end
 
 after "deploy:setup", "fast_remote_cache:setup"