Generate `config/cable.yml` in `rails:update` command

1 files changed, 5 insertions, 0 deletions

diff --git a/railties/lib/rails/generators/rails/app/app_generator.rb b/railties/lib/rails/generators/rails/app/app_generator.rb
index 885f0c20f6..07d38605a2 100644
--- a/railties/lib/rails/generators/rails/app/app_generator.rb
+++ b/railties/lib/rails/generators/rails/app/app_generator.rb
@@ -91,6 +91,7 @@ module Rails
       cookie_serializer_config_exist = File.exist?('config/initializers/cookies_serializer.rb')
       callback_terminator_config_exist = File.exist?('config/initializers/callback_terminator.rb')
       active_record_belongs_to_required_by_default_config_exist = File.exist?('config/initializers/active_record_belongs_to_required_by_default.rb')
+      action_cable_config_exist = File.exist?('config/cable.yml')
 
       config
 
@@ -105,6 +106,10 @@ module Rails
       unless active_record_belongs_to_required_by_default_config_exist
         remove_file 'config/initializers/active_record_belongs_to_required_by_default.rb'
       end
+
+      unless action_cable_config_exist
+        template 'config/cable.yml'
+      end
     end
 
     def database_yml