;;; vc-hooks.el --- resident support for version-control
-;; Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1992-1996, 1998-2013 Free Software Foundation, Inc.
;; Author: FSF (see vc.el for full credits)
;; Maintainer: Andre Spiegel <spiegel@gnu.org>
: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)
(defun vc-file-clearprops (file)
"Clear all VC properties of FILE."
+ (if (boundp 'vc-parent-buffer)
+ (kill-local-variable 'vc-parent-buffer))
(setplist (intern file vc-file-prop-obarray) nil))
\f
(defun vc-state (file &optional backend)
"Return the version control state of FILE.
-If FILE is not registered, this function always returns nil.
-For registered files, the value returned is one of:
+A return of nil from this function means we have no information on the
+status of this file. Otherwise, the value returned is one of:
'up-to-date The working file is unmodified with respect to the
latest version on the current branch, and not locked.
that any file with vc-state nil might be ignorable
without VC knowing it.
- 'unregistered The file is not under version control.
+ 'unregistered The file is not under version control."
-A return of nil from this function means we have no information on the
-status of this file."
;; Note: in Emacs 22 and older, return of nil meant the file was
;; unregistered. This is potentially a source of
;; backward-compatibility bugs.
;; the state to 'edited and redisplay the mode line.
(let* ((file buffer-file-name)
(backend (vc-backend file)))
- (and backend
- (or (and (equal (vc-file-getprop file 'vc-checkout-time)
- (nth 5 (file-attributes file)))
- ;; File has been saved in the same second in which
- ;; it was checked out. Clear the checkout-time
- ;; to avoid confusion.
- (vc-file-setprop file 'vc-checkout-time nil))
- t)
- (eq (vc-checkout-model backend (list file)) 'implicit)
- (vc-state-refresh file backend)
- (vc-mode-line file backend))
- ;; Try to avoid unnecessary work, a *vc-dir* buffer is
- ;; present if this is true.
+ (cond
+ ((null backend))
+ ((eq (vc-checkout-model backend (list file)) 'implicit)
+ ;; If the file was saved in the same second in which it was
+ ;; checked out, clear the checkout-time to avoid confusion.
+ (if (equal (vc-file-getprop file 'vc-checkout-time)
+ (nth 5 (file-attributes file)))
+ (vc-file-setprop file 'vc-checkout-time nil))
+ (if (vc-state-refresh file backend)
+ (vc-mode-line file backend)))
+ ;; If we saved an unlocked file on a locking based VCS, that
+ ;; file is not longer up-to-date.
+ ((eq (vc-file-getprop file 'vc-state) 'up-to-date)
+ (vc-file-setprop file 'vc-state nil)))
+ ;; Resynch *vc-dir* buffers, if any are present.
(when vc-dir-buffers
(vc-dir-resynch-file file))))
(set (make-local-variable 'backup-inhibited) t))
;; Let the backend setup any buffer-local things he needs.
(vc-call-backend backend 'find-file-hook))
- ((let ((link-type (and (not (equal buffer-file-name buffer-file-truename))
- (vc-backend buffer-file-truename))))
+ ((let* ((truename (and buffer-file-truename
+ (expand-file-name buffer-file-truename)))
+ (link-type (and truename
+ (not (equal buffer-file-name truename))
+ (vc-backend truename))))
(cond ((not link-type) nil) ;Nothing to do.
((eq vc-follow-symlinks nil)
(message
"Warning: symbolic link to %s-controlled source file" link-type))
((or (not (eq vc-follow-symlinks 'ask))
+ ;; Assume we cannot ask, default to yes.
+ noninteractive
+ ;; Copied from server-start. Seems like there should
+ ;; be a better way to ask "can we get user input?"...
+ (and (daemonp)
+ (null (cdr (frame-list)))
+ (eq (selected-frame) terminal-frame))
;; If we already visited this file by following
;; the link, don't ask again if we try to visit
;; it again. GUD does that, and repeated questions
"))
(bindings--define-key map [undo]
'(menu-item "Undo Last Check-In" vc-rollback
+ :enable (let ((backend (if buffer-file-name
+ (vc-backend buffer-file-name))))
+ (or (not backend)
+ (vc-find-backend-function backend 'rollback)))
:help "Remove the most recent changeset committed to the repository"))
(bindings--define-key map [vc-revert]
'(menu-item "Revert to Base Version" vc-revert