Added git-timemachine-toggle per request #27.

And bumped version.

README.md

@@ -14,8 +14,9 @@ Installation alternatives:
 
 ## Usage
 
-Visit a git-controlled file and issue `M-x git-timemachine` (or
-bind it to a keybinding of your choice).
+Visit a git-controlled file and issue `M-x git-timemachine` (or bind
+it to a keybinding of your choice). If you just need to toggle the
+time machine you can use `M-x git-timemachine-toggle`.
 
 Use the following keys to navigate historic version of the file
  - `p` Visit previous historic version

git-timemachine.el

@@ -3,7 +3,7 @@
 ;; Copyright (C) 2014 Peter Stiernström
 
 ;; Author: Peter Stiernström <[email protected]>
-;; Version: 2.1
+;; Version: 2.2
 ;; URL: https://github.com/pidu/git-timemachine
 ;; Keywords: git
 
@@ -161,6 +161,14 @@ Call with the value of 'buffer-file-name."
  (unless (vc-git-registered file)
   (error "This file is not git tracked")))
 
+;;;###autoload
+(defun git-timemachine-toggle ()
+ "Toggle git timemachine mode"
+ (interactive)
+ (if (bound-and-true-p git-timemachine-mode)
+  (git-timemachine-quit)
+  (git-timemachine)))
+
 ;;;###autoload
 (defun git-timemachine ()
  "Enable git timemachine for file of current buffer."