Add `form_with_generates_remote_forms` config.

Allows users to not have remote forms by default, since there's
more JS harness, e.g. bundling rails-ujs, otherwise.

Also don't skip creating defaults file anymore. Sprockets isn't the only new config.

2 files changed, 4 insertions, 3 deletions

diff --git a/railties/lib/rails/generators/rails/app/app_generator.rb b/railties/lib/rails/generators/rails/app/app_generator.rb
index 324843a5f5..f4717bb35b 100644
--- a/railties/lib/rails/generators/rails/app/app_generator.rb
+++ b/railties/lib/rails/generators/rails/app/app_generator.rb
@@ -403,9 +403,7 @@ module Rails
       end
 
       def delete_new_framework_defaults
-        # Sprockets owns the only new default for 5.1: if it's disabled,
-        # we don't want the file.
-        unless options[:update] && !options[:skip_sprockets]
+        unless options[:update]
           remove_file "config/initializers/new_framework_defaults_5_1.rb"
         end
       end
diff --git a/railties/lib/rails/generators/rails/app/templates/config/initializers/new_framework_defaults_5_1.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/initializers/new_framework_defaults_5_1.rb.tt
index 5f5545c4c7..a0c7f44b60 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/initializers/new_framework_defaults_5_1.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/initializers/new_framework_defaults_5_1.rb.tt
@@ -5,6 +5,9 @@
 # Once upgraded flip defaults one by one to migrate to the new default.
 #
 # Read the Guide for Upgrading Ruby on Rails for more info on each option.
+
+# Make `form_with` generate non-remote forms.
+Rails.application.config.action_view.form_with_generates_remote_forms = false
 <%- unless options[:skip_sprockets] -%>
 
 # Unknown asset fallback will return the path passed in when the given