221,225c221
<         
<         def file_kinds(kind)
<           ((@file_kinds ||= []) << kind).uniq! || @file_kinds
<         end
<         
---
> 
235d230
<             file_kinds :app
276c271,272
<               base.match(/\A#{Regexp.escape(extended_root)}\/*#{file_kinds(:lib) * '|'}/) || base =~ %r{rails-[\d.]+/builtin}
---
>               # Exclude all paths that are not nested within app, lib, or components.
>               base.match(/\A#{Regexp.escape(extended_root)}\/*(app|lib|components)\/[a-z]/) || base =~ %r{rails-[\d.]+/builtin}