class Net::SSH::Service::Forward

end
ssh.loop
end
# agent will be automatically forwarded by this point
ssh.open_channel do |ch|
Net::SSH.start("remote.host", "me", :forward_agent => true) do |ssh|

:forward_agent set to true:
time a session channel is opened, when the connection was created with
never need to call this directly--it is called automatically the first
used as the transport for enabling the forwarded connection. You should
will remain active even after the channel closes--the channel is only
Enables SSH agent forwarding on the given channel. The forwarded agent

def agent(channel)
  return if @agent_forwarded
  @agent_forwarded = true
  channel.send_channel_request("auth-agent-req@openssh.com") do |achannel, success|
    if success
      debug { "authentication agent forwarding is active" }
    else
      achannel.send_channel_request("auth-agent-req") do |a2channel, success2|
        if success2
          debug { "authentication agent forwarding is active" }
        else
          error { "could not establish forwarding of authentication agent" }
        end
      end
    end
  end
end