bundler_rc1_capistrano.rb

namespace :bundler do
  task :create_symlink, :roles => :app do
    shared_dir = File.join(shared_path, 'bundled_gems')
    release_dir = File.join(current_release, 'vendor', 'bundle')
    run("mkdir -p #{shared_dir} && ln -s #{shared_dir} #{release_dir}")
  end
  
  task :bundle_new_release, :roles => :app do
    bundler.create_symlink
    run "cd #{release_path} && bundle install --deployment"
  end
end

after "deploy:update_code" do
  bundler.bundle_new_release
end

You need to change --disable-shared-gems to --production if you have bunder.rc2

thanks, just updated it

Now, apparently to --deployment rather than --production.

Updated for rc2

rc 4 now has this built in.

Just add "require 'bundler/capistrano'" in your Capistrano deploy file (deploy.rb).

http://github.com/carlhuda/bundler/blob/master/lib/bundler/capistrano.rb