Run engine commands through command infrastructure.

2 files changed, 16 insertions, 3 deletions

diff --git a/railties/lib/rails/commands/help/USAGE b/railties/lib/rails/commands/help/USAGE
index 0f6ff756ce..348f41861f 100644
--- a/railties/lib/rails/commands/help/USAGE
+++ b/railties/lib/rails/commands/help/USAGE
@@ -1,5 +1,16 @@
 Usage: bin/rails COMMAND [args] [options]
+<% if engine? %>
+The common Rails commands available for engines are:
+ generate    Generate new code (short-cut alias: "g")
+ destroy     Undo code generated with "generate" (short-cut alias: "d")
+ test        Run tests (short-cut alias: "t")
 
+All commands can be run with -h for more information.
+
+If you want to run any commands that need to be run in context
+of the application, like `bin/rails server` or `bin/rails console`,
+you should do it from the application's directory (typically test/dummy).
+<% else %>
 The most common rails commands are:
  generate    Generate new code (short-cut alias: "g")
  console     Start the Rails console (short-cut alias: "c")
@@ -11,6 +22,6 @@ The most common rails commands are:
              new application called MyApp in "./my_app"
 
 All commands can be run with -h (or --help) for more information.
-
+<% end %>
 In addition to those commands, there are:
 
diff --git a/railties/lib/rails/commands/rake/rake_command.rb b/railties/lib/rails/commands/rake/rake_command.rb
index a4a2464445..a43c884170 100644
--- a/railties/lib/rails/commands/rake/rake_command.rb
+++ b/railties/lib/rails/commands/rake/rake_command.rb
@@ -1,6 +1,8 @@
 module Rails
   module Command
     class RakeCommand < Base
+      extend Rails::Command::Actions
+
       namespace "rake"
 
       class << self
@@ -27,12 +29,12 @@ module Rails
             return @rake_tasks if defined?(@rake_tasks)
 
             ActiveSupport::Deprecation.silence do
-              Rails::Command.require_application_and_environment!
+              require_application_and_environment!
             end
 
             Rake::TaskManager.record_task_metadata = true
             Rake.application.instance_variable_set(:@name, "rails")
-            Rails.application.load_tasks
+            load_tasks
             @rake_tasks = Rake.application.tasks.select(&:comment)
           end