[Emacs-diffs] Changes to emacs/lisp/vc-hooks.el

[Andre Spiegel]

Index: emacs/lisp/vc-hooks.el
diff -c emacs/lisp/vc-hooks.el:1.143 emacs/lisp/vc-hooks.el:1.144
*** emacs/lisp/vc-hooks.el:1.143        Fri Aug 23 09:23:14 2002
--- emacs/lisp/vc-hooks.el      Wed Sep  4 16:45:34 2002
***************
*** 5,11 ****
  ;; Author:     FSF (see vc.el for full credits)
  ;; Maintainer: Andre Spiegel <address@hidden>
  
! ;; $Id: vc-hooks.el,v 1.143 2002/08/23 13:23:14 spiegel Exp $
  
  ;; This file is part of GNU Emacs.
  
--- 5,11 ----
  ;; Author:     FSF (see vc.el for full credits)
  ;; Maintainer: Andre Spiegel <address@hidden>
  
! ;; $Id: vc-hooks.el,v 1.144 2002/09/04 20:45:34 spiegel Exp $
  
  ;; This file is part of GNU Emacs.
  
***************
*** 34,39 ****
--- 34,40 ----
  ;;; Code:
  
  (eval-when-compile
+   (require 'vc)
    (require 'cl))
  
  ;; Customization Variables (the rest is in vc.el)
***************
*** 382,387 ****
--- 383,403 ----
  and does not employ any heuristic at all."
     (vc-call-backend backend 'state file))
  
+ (defun vc-workfile-unchanged-p (file)
+   "Return non-nil if FILE has not changed since the last checkout."
+   (let ((checkout-time (vc-file-getprop file 'vc-checkout-time))
+         (lastmod (nth 5 (file-attributes file))))
+     (if checkout-time
+         (equal checkout-time lastmod)
+       (let ((unchanged (vc-call workfile-unchanged-p file)))
+         (vc-file-setprop file 'vc-checkout-time (if unchanged lastmod 0))
+         unchanged))))
+ 
+ (defun vc-default-workfile-unchanged-p (backend file)
+   "Check if FILE is unchanged by diffing against the master version.
+ Return non-nil if FILE is unchanged."
+   (zerop (vc-call diff file (vc-workfile-version file))))
+ 
  (defun vc-workfile-version (file)
    "Return the version level of the current workfile FILE.
  If FILE is not registered, this function always returns nil."
***************
*** 389,396 ****
        (if (vc-backend file)
            (vc-file-setprop file 'vc-workfile-version
                             (vc-call workfile-version file)))))
- 
- ;;; actual version-control code starts here
  
  (defun vc-default-registered (backend file)
    "Check if FILE is registered in BACKEND using vc-BACKEND-master-templates."
--- 405,410 ----