         maybe-directory))))
 
 (defun project--is-git ()
-  (file-exists-p (concat (project--get-root) "/" ".git")))
+  (file-exists-p (concat (project--get-root) ".git")))
 
 (defun project--build-find (wildcards)
   (let* ((find-wildcards

                  directory
                  (project--build-find wildcards)
                  project-tags-executable
                  (concat directory "/" "TAGS"))))
    (setq-local history-wildcards wildcards)
    (shell-command command)))

(defun project-grep (wildcards regexp)

;;; project operation(tags, grep, compile)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defvar project-tags-executable "etags")
(defvar project-ignore-file "*/.git* */.svn* */elpa* */obj* */build*")

(defun project--get-root (&optional iscurr)
  "Get project root path."
