Second/overlay rails root directory?

Rails
1

Hello Folks, is there a way to have rails look for files from 2
different root directories ?

Heres the scenario…

  • we deploy our apps to lots of customers

  • they each have a few customizations (views, configs, css, etc)

  • I would like my rails to look for files like this

  • first search RAILS_ROOT/overlay/customer1

  • then search RAILS_ROOT like normal

so if nothing was in the overlay directory, all the files would come
form RAILS_ROOT like normal

  • but if RAILS_ROOT/overlay/customer1/app/welcome/_message.rhml
    existed, it would use that

Or am I in left field here ?

This seems easy to do assuming rails finds files from one centralized
place, then you could just add this functionality there.