diff --git a/emacs.el b/emacs.el
index ad4e6eb..d294104 100644
--- a/emacs.el
+++ b/emacs.el
@@ -729,6 +729,12 @@ return nil if LIB unfound and downloading failed, otherwise the path of LIB."
      (require 'gtkbm nil t)
      (global-set-key (kbd "C-x C-d") 'gtkbm))
 
+(and (dllib-if-unfound "git-command"
+                       "https://raw.github.com/10sr/emacs-lisp/master/git-command.el"
+                       t)
+     (require 'git-command nil t)
+     (define-key ctl-x-map "g" 'git-command))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; term mode
 
@@ -1561,48 +1567,6 @@ when SEC is nil, stop auto save if enabled."
 
 (defalias 'qcalc 'quick-calc)
 
-(defvar git-command-history nil
-  "History list for git command.")
-(defun my-git-ps1 (str)
-  (let ((gcmpl "/etc/bash_completion.d/git"))
-    (if (file-readable-p gcmpl)
-        (with-temp-buffer
-          (insert ". " gcmpl
-                  "; __git_ps1 "
-                  (shell-quote-argument str)
-                  ";")
-          (shell-command-on-region (point-min)
-                                   (point-max)
-                                   "bash -s"
-                                   nil
-                                   t)
-          (buffer-substring-no-properties (point-min)
-                                          (point-max)))
-      "")))
-(defun my-git-shell-command (cmd)
-  "Shell like git command interface."
-  (interactive (list (read-shell-command (format "[%s]%s $ git : "
-                                                 (abbreviate-file-name default-directory)
-                                                 (my-git-ps1 "[GIT:%s]"))
-                                         nil
-                                         'git-command-history)))
-  (let ((dir default-directory)
-        (bf (get-buffer-create "*Git Output*"))
-        )
-    (delete-windows-on bf t)
-    (shell-command (concat "git "
-                           cmd)
-                   bf)
-    (with-current-buffer bf
-      (cd dir)
-      (and (require 'ansi-color nil t)
-           (ansi-color-apply-on-region (point-min)
-                                       (point-max)))
-      (setq buffer-read-only t)
-      (view-mode 1)
-      )))
-(define-key ctl-x-map "g" 'my-git-shell-command)
-
 (defun my-kill-buffers ()
   ""
   (interactive)