counsel-find-file fails on some paths

[Stebalien]

I'm getting the following error when calling counsel-find-file on any string not starting with a forward slash (/) or a file in the current directory.

To reproduce, run, e.g., (counsel-find-file "16-185436.").

Backtrace:

Debugger entered--Lisp error: (wrong-type-argument stringp nil)
  file-exists-p(nil)
  ivy--reset-state([cl-struct-ivy-state "Find file: " read-file-name-internal nil confirm-after-completion "16-185436." file-name-history nil (keymap (C-backspace . counsel-up-directory) (67108991 . counsel-up-directory)) nil nil #<frame emacs@bistromath 0x12f8c30> #<window 3 on *scratch*> #<buffer *scratch*> nil (1 ("o" #[257 "\304\305�!!r\306\307\310\311\312�!\313\"\314$\216\315�@\316\"\210	\205��\317\n!?\205$���\320\321�\n\"!+\207" [ivy-last counsel-find-file-speedup-remote ivy--directory find-file-hook internal--before-with-selected-window ivy--get-window make-byte-code 0 "\301\300!\207" vconcat vector [internal--after-with-selected-window] 2 select-window norecord file-remote-p find-file expand-file-name] 8 "\n\n(fn X)"] "default") ("j" find-file-other-window "other window") ("b" counsel-find-file-cd-bookmark-action "cd bookmark") ("x" counsel-find-file-extern "open externally")) nil nil counsel--find-file-matcher nil ivy-read-file-transformer "~/" counsel-find-file])
  ivy-read("Find file: " read-file-name-internal :matcher counsel--find-file-matcher :initial-input "16-185436." :action #[257 "\304\305�!!r\306\307\310\311\312�!\313\"\314$\216\315�@\316\"\210	\205��\317\n!?\205$���\320\321�\n\"!+\207" [ivy-last counsel-find-file-speedup-remote ivy--directory find-file-hook internal--before-with-selected-window ivy--get-window make-byte-code 0 "\301\300!\207" vconcat vector [internal--after-with-selected-window] 2 select-window norecord file-remote-p find-file expand-file-name] 8 "\n\n(fn X)"] :preselect nil :require-match confirm-after-completion :history file-name-history :keymap (keymap (C-backspace . counsel-up-directory) (67108991 . counsel-up-directory)) :caller counsel-find-file)
  counsel-find-file("16-185436.")
  eval-buffer()  ; Reading at buffer position 218
  eval((eval-buffer) nil)
  eval-expression((eval-buffer) nil)
  funcall-interactively(eval-expression (eval-buffer) nil)
  call-interactively(eval-expression nil nil)
  command-execute(eval-expression)

See syl20bnr/spacemacs#7762

[abo-abo]

Thanks.

[Stebalien]

Thanks for the quick fix!