Add `app:update` task to engines

Occasionally we update the file generated by engine.
Therefore, I think that there is a task for updating as well as
application in the engine, it is convenient for updating.

1 files changed, 11 insertions, 0 deletions

diff --git a/railties/lib/rails/tasks/engine.rake b/railties/lib/rails/tasks/engine.rake
index c92b42f6c1..177b138090 100644
--- a/railties/lib/rails/tasks/engine.rake
+++ b/railties/lib/rails/tasks/engine.rake
@@ -1,6 +1,17 @@
 task "load_app" do
   namespace :app do
     load APP_RAKEFILE
+
+    desc "Update some initially generated files"
+    task update: [ "update:bin" ]
+
+    namespace :update do
+      require "rails/engine/updater"
+      # desc "Adds new executables to the engine bin/ directory"
+      task :bin do
+        Rails::Engine::Updater.run(:create_bin_files)
+      end
+    end
   end
   task environment: "app:environment"