Cannot interact with rails when encounter a conflict about projectile-rails HOT 4 OPEN

The t argument to the compile makes the compile command run it in the compilation-shell-minor-mode which allows for interactions.
I've followed the idea of rspec-mode to pass a custom compilation-mode instead of t to be able to add some specific things to the compile buffer (like buttons for instance).
As far as I understand after running the generate and encountering a step when a user has to input something it should be sufficient enough to just enable compilation-shell-minor-mode. After that it should be possible to input characters and send them to the process.
But I'm getting error "n is undefined" (after hitting "n" key). I'll try to take a closer look at that.

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Thanks

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Evaluating

(defadvice compile (before ad-compile-smart activate)
  "Advises `compile' so it sets the argument COMINT to t."
  (ad-set-arg 1 t))

(see https://www.masteringemacs.org/article/compiling-running-scripts-emacs)

makes it work for me by using comint-mode.

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Maybe it would be possible to derive projectile-rails-generate-mode from comint-mode?

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