Nested scaffold generator for Rails 4.2 and 5
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A scaffold command that generates a set of perfectly working nested resource for Rails 4.2 and 5.


  • Generates a nested child resource with a single command
  • Generates a beautifully working bunch of code
  • Automatically generates the appropriate model associations for ActiveRecord
  • Haml ready

Rails versions

4.2, 5.0, 5.1


Put this line in your Gemfile:

gem 'nested_scaffold'

Then bundle.


% rails generate nested_scaffold PARENT_NAME/NAME [field:type field:type] [options]

(Expects PARENT model to exist in advance)


While "Post" model exists,

% rails g nested_scaffold post/comment name:string content:text

This will create:

  • comment {model, controller, helper, views, tests}
  • nested resource route
  • Post.has_many :comments association


Basically same as the original scaffold.

TODO / known issues

  • namespace (who needs?)
  • third party orms
  • fixture replacements

Contributing to nested_scaffold

Pull requests are welcome on GitHub at


Copyright (c) 2010 Akira Matsuda. The gem is available as open source under the terms of the MIT License.