example.rb

deploy_revision 'chef' do
  repository '[email protected]:opscode/chef'
  symlink_before_migrate Hash.new
  deploy_to '/srv/chef' 
  migrate false
end

rsync "deployment" do
  hosts search(:nodes, "application:foo")
  from '/srv/chef'
  to '/srv/chef' 
  action :nothing
  subscribes :sync, resources(:deploy_revision => app['id']), :immediately
end