[PATCH] vc-revert-file: fix setting of file time-stamp into the past.

[Sergei Organov]

The patch below fixes a long-standing bug in the VC, described here:

<http://lists.gnu.org/archive/html/bug-gnu-emacs/2009-05/msg00312.html>

2009-12-11  Sergei Organov  <address@hidden>

        * vc.el (vc-revert-file): Fix setting of file time-stamp into the
        past.

Index: lisp/vc.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/vc.el,v
retrieving revision 1.746
diff -u -r1.746 vc.el
--- lisp/vc.el  7 Dec 2009 09:02:16 -0000       1.746
+++ lisp/vc.el  11 Dec 2009 16:03:12 -0000
@@ -2114,7 +2114,7 @@
    (list file)
    (let ((backup-file (vc-version-backup-file file)))
      (when backup-file
-       (copy-file backup-file file 'ok-if-already-exists 'keep-date)
+       (copy-file backup-file file 'ok-if-already-exists)
        (vc-delete-automatic-version-backups file))
      (vc-call revert file backup-file))
    `((vc-state . up-to-date)