vc-hooks.el workaround for bug#11490

* vc/vc-hooks.el (vc-mistrust-permissions): Default to t, to avoid data-loss.

lisp/ChangeLog

-2012-11-26  Fabián Ezequiel Gallina  <fgallina@cuca>
-	* progmodes/python.el:
-	(python-indent-guess-indent-offset): If indentation is guessed
-	make python-indent-offset variable buffer local.
+2012-11-26  Glenn Morris  <rgm@gnu.org>
+	* vc/vc-hooks.el (vc-mistrust-permissions):
+	Default to t, to avoid data-loss.  (Bug#11490)
 2012-11-26  Fabián Ezequiel Gallina  <fgallina@cuca>
+	* progmodes/python.el (python-indent-guess-indent-offset):
+	If indentation is guessed make python-indent-offset buffer-local.
+
 	Fix Imenu regression.
-	* progmodes/python.el:
-	(python-nav-beginning-of-defun): Fix forward movement when
-	statement(s) separates point from defun.
+	* progmodes/python.el (python-nav-beginning-of-defun):
+	Fix forward movement when statement(s) separates point from defun.
 	(python-imenu-prev-index-position): New function.
 2012-11-26  Eli Zaretskii  <eliz@gnu.org>

lisp/vc/vc-hooks.el

@@ -107,10 +107,12 @@ control systems."
   :type 'boolean
   :group 'vc)
 
-(defcustom vc-mistrust-permissions nil
+;; If you fix bug#11490, probably you can set this back to nil.
+(defcustom vc-mistrust-permissions t
   "If non-nil, don't assume permissions/ownership track version-control status.
 If nil, do rely on the permissions.
 See also variable `vc-consult-headers'."
+  :version "24.3"                       ; nil->t, bug#11490
   :type 'boolean
   :group 'vc)