<NME> routes.rb
<BEF> # frozen_string_literal: true

Roundabout::Engine.routes.draw do
  get '/(.:format)' => 'roundabout#index', as: 'root'
end

<MSG> No name for the engine route to root

or this would conflict with the root_path in the main_app

<DFF> @@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 Roundabout::Engine.routes.draw do
-  get '/(.:format)' => 'roundabout#index', as: 'root'
+  get '/(.:format)' => 'roundabout#index'
 end

{'commit': "diff --git a/config/routes.rb b/config/routes.rb\nindex 56af8e7..661f792 100644\n--- a/config/routes.rb\n+++ b/config/routes.rb\n@@ -1,5 +1,5 @@\n # frozen_string_literal: true\n \n Roundabout::Engine.routes.draw do\n-  get '/(.:format)' => 'roundabout#index', as: 'root'\n+  get '/(.:format)' => 'roundabout#index'\n end\n", 'commit_subject': 'No name for the engine route to root', 'repo_name': 'amatsuda/roundabout', 'committer': {'name': 'Akira Matsuda', 'email': '06648be64f8fbc529d817d157ec32d385ea42f22@dio.jp', 'time_sec': '1540772545', 'tz_offset': '540', 'date': {'seconds': '1540772545'}}, 'commit_tree': '3924ee27f7de6b56a15e2652f14e803cd093a5b5', 'commit_message': 'No name for the engine route to root\n\nor this would conflict with the root_path in the main_app\n', 'language_name': 'HTML', 'license': 'mit', 'hunks': "@@ -1,5 +1,5 @@\n # frozen_string_literal: true\n \n Roundabout::Engine.routes.draw do\n-  get '/(.:format)' => 'roundabout#index', as: 'root'\n+  get '/(.:format)' => 'roundabout#index'\n end\n", 'addition_count': 1, 'deletion_count': 1, 'src_file': 'a/config/routes.rb', 'tgt_file': 'b/config/routes.rb', 'file_extension': '.rb', 'before_file': "# frozen_string_literal: true\n\nRoundabout::Engine.routes.draw do\n  get '/(.:format)' => 'roundabout#index', as: 'root'\nend\n", 'message': 'No name for the engine route to root\n\nor this would conflict with the root_path in the main_app\n', 'author_name': 'Akira Matsuda', 'lang': 'rb'}