Map <C-R><C-F> in command line mode

Author: tpope

autoload/rails.vim

@@ -4061,6 +4061,9 @@ function! s:BufMappings() abort
   if mapcheck('<C-W>gf', 'n') =~# pattern
     nmap <buffer> <C-W>gf         <Plug>RailsTabFind
   endif
+  if mapcheck('<C-R><C-F>', 'c') =~# pattern
+    cmap <buffer> <C-R><C-F> <Plug><cfile>
+  endif
 endfunction
 
 " }}}1

doc/rails.txt

@@ -121,8 +121,9 @@ The standard Rails load path is prepended to 'path', enabling |:find| to work:
 File Under Cursor - gf ~
 						*rails-gf*
 The |gf| command, which normally edits the current file under the cursor, has
-been remapped to take context into account. |CTRL-W_f| (open in new window)
-and |CTRL-W_gf| (open in new tab) are also remapped.
+been remapped to take context into account.  |CTRL-W_f| (open in new window),
+|CTRL-W_gf| (open in new tab), and |c_CTRL-R_CTRL-F| (insert filename on
+command line) are also remapped.
 
 Example uses of |gf|, and where they might lead.
 (* indicates cursor position)