Add quiet_mode to supported SSH options. (#173)

* Add `quiet_mode` to list of supported SSH options.

* Add cleanup of dynamic callbacks to agent cleanup.

Author: holetse

Diff for: lib/bootleg/config.ex

@@ -122,7 +122,7 @@ defmodule Bootleg.Config do
     line = caller.line()
     quote do
       hook_number = Bootleg.Config.Agent.increment(:next_hook_number)
-      module_name = String.to_atom("Elixir.Bootleg.Tasks.DynamicCallbacks." <>
+      module_name = String.to_atom("Elixir.Bootleg.DynamicCallbacks." <>
         String.capitalize("#{unquote(position)}") <> String.capitalize("#{unquote(task)}") <>
         "#{hook_number}")
       defmodule module_name do

Diff for: lib/bootleg/config/agent.ex

@@ -60,7 +60,8 @@ defmodule Bootleg.Config.Agent do
     receive do
       {:DOWN, ^ref, :process, _pid, _reason} ->
         Enum.each(:code.all_loaded(), fn {module, _file} ->
-          if String.starts_with?(Atom.to_string(module), "Elixir.Bootleg.DynamicTasks.") do
+          if String.starts_with?(Atom.to_string(module), "Elixir.Bootleg.DynamicTasks.") ||
+            String.starts_with?(Atom.to_string(module), "Elixir.Bootleg.DynamicCallbacks.")do
             unload_code(module)
           end
         end)

Diff for: lib/bootleg/ssh.ex

@@ -147,7 +147,7 @@ defmodule Bootleg.SSH do
   def ssh_opt(option), do: option
 
   @ssh_options ~w(user password port key_cb auth_methods connection_timeout id_string
-    idle_time silently_accept_hosts user_dir timeout connection_timeout identity)a
+    idle_time silently_accept_hosts user_dir timeout connection_timeout identity quiet_mode)a
   def supported_options do
     @ssh_options
   end

Diff for: test/bootleg/ssh_test.exs

@@ -54,4 +54,8 @@ defmodule Bootleg.SSHTest do
     assert [[1, 2]] = SSH.merge_run_results([[1, 2]], [])
     assert [[1, 2]] = SSH.merge_run_results([], [[1, 2]])
   end
+
+  test "supported_options/0" do
+    assert Enum.member?(SSH.supported_options, :quiet_mode)
+  end
 end