Action generator appends routes even if exists

[Lucas-Barret]

When you execute bundle exec hanami generate action books.index several times.
You end up with the same routes in routes.rb
Example :

$ bundle exec hanami generate action books.index
$ bundle exec hanami generate action books.index

## config/routes.rb

module Bookshelf
  class Routes < Hanami::Routes
    get "/books", to: "books.index"
    get "/books", to: "books.index"
  end
end

We should have the root only one time what do you think ?

[Lucas-Barret]

After some investigation it seems it comes from this piece of code :
Should we check if the routes is already in the file ?

            fs.inject_line_at_class_bottom(
              fs.join("config", "routes.rb"),
              "class Routes",
              route(controller, action, url, http)
            )

[swilgosz]

Yes, I believe so, duplicates have no sense.

[timriley]

Yes, I would love help with a fix for this!