gistfile1.rb

    desc <<-DESC
      [internal] Removes the most recently deployed release.
      This is called by the rollback sequence, and should rarely
      (if ever) need to be called directly.
    DESC
    task :cleanup, :except => { :no_release => true } do
      run "if [ `readlink #{current_path}` != #{current_release} ]; then rm -rf #{current_release}; fi"
    end