grep with --exclude was resulting in hits on files with names like 'app/models/.svn/text-base/reading_list.rb.svn-base'.  Piping through an additional grep process seems a little wasteful, but it does the job for folks who have an app on Subversion.
grep with --exclude was resulting in hits on files with names like 'app/models/.svn/text-base/reading_list.rb.svn-base'.  Piping through an additional grep process seems a little wasteful, but it does the job for folks who have an app on Subversion.

rails/rails_upgrade