Execute.define_task do
  desc "dtach_installed", "Check if dtach is installed.", :hide => true
  def dtach_installed
    if !windows? and (`which dtach` == '')
      puts "WARNING: dtach not installed or not on path, some tasks will not work!"
      puts "  Install with '[sudo] rhoconnect dtach-install'"
      exit
    end
  end #dtach_installed
end #do