vimtaku blog

TL;DR

If you want to override jbuilder generator when scaffolding, put it Rails.root + lib/templates/rails/jbuilder/index.json.jbuilder

vim /Users/vimtaku/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/thor-0.19.1/lib/thor/actions.rb

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def find_in_source_paths(file) # rubocop:disable MethodLength
  possible_files = [file, file + TEMPLATE_EXTNAME]
  relative_root = relative_to_original_destination_root(destination_root, false)
  binding.pry

  source_paths.each do |source|
    possible_files.each do |f|
      source_file = File.expand_path(f, File.join(source, relative_root))
      return source_file if File.exist?(source_file)
    end
  end

Background

I searched pathes for used generator, but I cant find where template is used. I’m using jbuilder.

lib/templates

Rails.root + lib/templates dir is used as tempaltes path by default.
if you want to override jbuilder templates, you can put
Rails.root + lib/templates/rails/jbuilder/index.json.jbuilder.

see also

thor-0.19.1/lib/thor/actions/file_manipulation.rb