               :around
               'ar/hippie-expand-advice-fun)
   (validate-setq hippie-expand-try-functions-list '(try-expand-dabbrev
-                                           try-expand-dabbrev-visible
-                                           try-expand-dabbrev-all-buffers
-                                           try-expand-dabbrev-from-kill
-                                           try-complete-file-name-partially
-                                           try-expand-all-abbrevs
-                                           try-expand-list
-                                           try-expand-line)))
+                                                    try-expand-dabbrev-visible
+                                                    try-expand-dabbrev-all-buffers
+                                                    try-expand-dabbrev-from-kill
+                                                    try-complete-file-name-partially
+                                                    try-expand-all-abbrevs
+                                                    try-expand-list
+                                                    try-expand-line)))
 
 ;; Thank you Sacha Chua.
 ;; From http://pages.sachachua.com/.emacs.d/Sacha.html#sec-1-4-8

      (while (re-search-forward goto-address-url-regexp
                                nil t)
        (validate-setq url
              (buffer-substring-no-properties (match-beginning 0)
                                              (match-end 0)))
        (add-to-list 'helm-candidates
                     (cons url
                           url)))

  ;; (company-mode)
  ;; (bind-key "TAB" #'company-manual-begin shell-mode-map)
  (validate-setq company-backends '(company-files
                                    (company-dabbrev-code
                                     company-gtags
                                     company-etags
                                     company-keywords)
                                    company-dabbrev)))

;; This is a hack. Let's see how it goes.
(defun ar/shell-directory-tracker (str)
