;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
"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
+ (if (and checkout-time
+ ;; Tramp and Ange-FTP return this when they don't know the time.
+ (not (equal lastmod '(0 0))))
(equal checkout-time lastmod)
(let ((unchanged (vc-call workfile-unchanged-p file)))
(vc-file-setprop file 'vc-checkout-time (if unchanged lastmod 0))