;; Author: Eric S. Raymond <esr@snark.thyrsus.com>
;; Maintainer: Andre Spiegel <spiegel@inf.fu-berlin.de>
-;; $Id: vc.el,v 1.215 1998/04/01 12:26:43 spiegel Exp rms $
+;; $Id: vc.el,v 1.216 1998/04/04 05:22:37 rms Exp spiegel $
;; This file is part of GNU Emacs.
(defvar vc-comment-ring-index nil)
(defvar vc-last-comment-match nil)
-;; Back-portability to Emacs 18
-
-(defun file-executable-p-18 (f)
- (let ((modes (file-modes f)))
- (and modes (not (zerop (logand 292))))))
-
-(defun file-regular-p-18 (f)
- (let ((attributes (file-attributes f)))
- (and attributes (not (car attributes)))))
-
-; Conditionally rebind some things for Emacs 18 compatibility
-(if (not (boundp 'minor-mode-map-alist))
- (progn
- (setq compilation-old-error-list nil)
- (fset 'file-executable-p 'file-executable-p-18)
- (fset 'shrink-window-if-larger-than-buffer 'beginning-of-buffer)
- ))
-
-(if (not (fboundp 'file-regular-p))
- (fset 'file-regular-p 'file-regular-p-18))
-
;;; Find and compare backend releases
(defun vc-backend-release (backend)
;; CVS
t))
-(defun vc-registration-error (file)
- (if file
- (error "File %s is not under version control" file)
- (error "Buffer %s is not associated with a file" (buffer-name))))
+(defun vc-ensure-vc-buffer ()
+ ;; Make sure that the current buffer visits a version-controlled file.
+ (if vc-dired-mode
+ (set-buffer (find-file-noselect (dired-get-filename)))
+ (while vc-parent-buffer
+ (pop-to-buffer vc-parent-buffer))
+ (if (not (buffer-file-name))
+ (error "Buffer %s is not associated with a file" (buffer-name))
+ (if (not (vc-backend (buffer-file-name)))
+ (error "File %s is not under version control" (buffer-file-name))))))
(defvar vc-binary-assoc nil)
"Enter a change comment for the marked files."
'vc-next-action-dired))
(throw 'nogo nil)))
- (while vc-parent-buffer
- (pop-to-buffer vc-parent-buffer))
- (if buffer-file-name
- (vc-next-action-on-file buffer-file-name verbose)
- (vc-registration-error nil))))
+ (vc-ensure-vc-buffer)
+ (vc-next-action-on-file buffer-file-name verbose)))
;;; These functions help the vc-next-action entry point
With a prefix argument, it reads the file name to use
and two version designators specifying which versions to compare."
(interactive (list current-prefix-arg t))
- (if vc-dired-mode
- (set-buffer (find-file-noselect (dired-get-filename))))
- (while vc-parent-buffer
- (pop-to-buffer vc-parent-buffer))
+ (vc-ensure-vc-buffer)
(if historic
(call-interactively 'vc-version-diff)
- (if (or (null buffer-file-name) (null (vc-name buffer-file-name)))
- (error
- "There is no version-control master associated with this buffer"))
(let ((file buffer-file-name)
unchanged)
(vc-buffer-sync not-urgent)
If the current buffer is named `F', the version is named `F.~REV~'.
If `F.~REV~' already exists, it is used instead of being re-created."
(interactive "sVersion to visit (default is latest version): ")
- (if vc-dired-mode
- (set-buffer (find-file-noselect (dired-get-filename))))
- (while vc-parent-buffer
- (pop-to-buffer vc-parent-buffer))
- (if (and buffer-file-name (vc-name buffer-file-name))
- (let* ((version (if (string-equal rev "")
- (vc-latest-version buffer-file-name)
- rev))
- (filename (concat buffer-file-name ".~" version "~")))
- (or (file-exists-p filename)
- (vc-backend-checkout buffer-file-name nil version filename))
- (find-file-other-window filename))
- (vc-registration-error buffer-file-name)))
+ (vc-ensure-vc-buffer)
+ (let* ((version (if (string-equal rev "")
+ (vc-latest-version buffer-file-name)
+ rev))
+ (filename (concat buffer-file-name ".~" version "~")))
+ (or (file-exists-p filename)
+ (vc-backend-checkout buffer-file-name nil version filename))
+ (find-file-other-window filename)))
;; Header-insertion code
Headers desired are inserted at the start of the buffer, and are pulled from
the variable `vc-header-alist'."
(interactive)
- (if vc-dired-mode
- (find-file-other-window (dired-get-filename)))
- (while vc-parent-buffer
- (pop-to-buffer vc-parent-buffer))
+ (vc-ensure-vc-buffer)
(save-excursion
(save-restriction
(widen)
(replace-match "$\\1$")))
(vc-restore-buffer-context context)))
+;;;###autoload
(defun vc-resolve-conflicts ()
"Invoke ediff to resolve conflicts in the current buffer.
The conflicts must be marked with rcsmerge conflict markers."
(interactive)
+ (vc-ensure-vc-buffer)
(let* ((found nil)
(file-name (file-name-nondirectory buffer-file-name))
(your-buffer (generate-new-buffer
(defun vc-print-log ()
"List the change log of the current buffer in a window."
(interactive)
- (if vc-dired-mode
- (set-buffer (find-file-noselect (dired-get-filename))))
- (while vc-parent-buffer
- (pop-to-buffer vc-parent-buffer))
- (if (and buffer-file-name (vc-name buffer-file-name))
- (let ((file buffer-file-name))
- (vc-backend-print-log file)
- (pop-to-buffer (get-buffer-create "*vc*"))
- (setq default-directory (file-name-directory file))
- (goto-char (point-max)) (forward-line -1)
- (while (looking-at "=*\n")
- (delete-char (- (match-end 0) (match-beginning 0)))
- (forward-line -1))
- (goto-char (point-min))
- (if (looking-at "[\b\t\n\v\f\r ]+")
- (delete-char (- (match-end 0) (match-beginning 0))))
- (shrink-window-if-larger-than-buffer)
- ;; move point to the log entry for the current version
- (and (not (eq (vc-backend file) 'SCCS))
- (re-search-forward
- ;; also match some context, for safety
- (concat "----\nrevision " (vc-workfile-version file)
- "\\(\tlocked by:.*\n\\|\n\\)date: ") nil t)
- ;; set the display window so that
- ;; the whole log entry is displayed
- (let (start end lines)
- (beginning-of-line) (forward-line -1) (setq start (point))
- (if (not (re-search-forward "^----*\nrevision" nil t))
- (setq end (point-max))
- (beginning-of-line) (forward-line -1) (setq end (point)))
- (setq lines (count-lines start end))
- (cond
- ;; if the global information and this log entry fit
- ;; into the window, display from the beginning
- ((< (count-lines (point-min) end) (window-height))
- (goto-char (point-min))
- (recenter 0)
- (goto-char start))
- ;; if the whole entry fits into the window,
- ;; display it centered
- ((< (1+ lines) (window-height))
- (goto-char start)
- (recenter (1- (- (/ (window-height) 2) (/ lines 2)))))
- ;; otherwise (the entry is too large for the window),
- ;; display from the start
- (t
- (goto-char start)
- (recenter 0)))))
- )
- (vc-registration-error buffer-file-name)
- )
- )
+ (vc-ensure-vc-buffer)
+ (let ((file buffer-file-name))
+ (vc-backend-print-log file)
+ (pop-to-buffer (get-buffer-create "*vc*"))
+ (setq default-directory (file-name-directory file))
+ (goto-char (point-max)) (forward-line -1)
+ (while (looking-at "=*\n")
+ (delete-char (- (match-end 0) (match-beginning 0)))
+ (forward-line -1))
+ (goto-char (point-min))
+ (if (looking-at "[\b\t\n\v\f\r ]+")
+ (delete-char (- (match-end 0) (match-beginning 0))))
+ (shrink-window-if-larger-than-buffer)
+ ;; move point to the log entry for the current version
+ (and (not (eq (vc-backend file) 'SCCS))
+ (re-search-forward
+ ;; also match some context, for safety
+ (concat "----\nrevision " (vc-workfile-version file)
+ "\\(\tlocked by:.*\n\\|\n\\)date: ") nil t)
+ ;; set the display window so that
+ ;; the whole log entry is displayed
+ (let (start end lines)
+ (beginning-of-line) (forward-line -1) (setq start (point))
+ (if (not (re-search-forward "^----*\nrevision" nil t))
+ (setq end (point-max))
+ (beginning-of-line) (forward-line -1) (setq end (point)))
+ (setq lines (count-lines start end))
+ (cond
+ ;; if the global information and this log entry fit
+ ;; into the window, display from the beginning
+ ((< (count-lines (point-min) end) (window-height))
+ (goto-char (point-min))
+ (recenter 0)
+ (goto-char start))
+ ;; if the whole entry fits into the window,
+ ;; display it centered
+ ((< (1+ lines) (window-height))
+ (goto-char start)
+ (recenter (1- (- (/ (window-height) 2) (/ lines 2)))))
+ ;; otherwise (the entry is too large for the window),
+ ;; display from the start
+ (t
+ (goto-char start)
+ (recenter 0)))))))
;;;###autoload
(defun vc-revert-buffer ()
automatically pick up newer changes found in the master file;
use C-u \\[vc-next-action] RET to do so."
(interactive)
- (if vc-dired-mode
- (find-file-other-window (dired-get-filename)))
- (while vc-parent-buffer
- (pop-to-buffer vc-parent-buffer))
+ (vc-ensure-vc-buffer)
(let ((file buffer-file-name)
;; This operation should always ask for confirmation.
(vc-suppress-confirm nil)
"Get rid of most recently checked in version of this file.
A prefix argument means do not revert the buffer afterwards."
(interactive "P")
- (if vc-dired-mode
- (find-file-other-window (dired-get-filename)))
- (while vc-parent-buffer
- (pop-to-buffer vc-parent-buffer))
+ (vc-ensure-vc-buffer)
(cond
- ((not (vc-registered (buffer-file-name)))
- (vc-registration-error (buffer-file-name)))
((eq (vc-backend (buffer-file-name)) 'CVS)
(error "Unchecking files under CVS is dangerous and not supported in VC"))
((vc-locking-user (buffer-file-name))
`vc-annotate-very-old-color' defines the mapping of time to
colors. `vc-annotate-background' specifies the background color."
(interactive "p")
- (if (not (eq (vc-buffer-backend) 'CVS)) ; This only works with CVS
- (vc-registration-error (buffer-file-name)))
+ (vc-ensure-vc-buffer)
+ (if (not (eq (vc-backend (buffer-file-name)) 'CVS))
+ (error "Sorry, vc-annotate is only implemented for CVS"))
(message "Annotating...")
(let ((temp-buffer-name (concat "*cvs annotate " (buffer-name) "*"))
(temp-buffer-show-function 'vc-annotate-display)
(and newvers (concat "-r" newvers))
(if (listp diff-switches)
diff-switches
- (list diff-switches)))))
- (t
- (vc-registration-error file)))))
+ (list diff-switches))))))))
(defun vc-backend-merge-news (file)
;; Merge in any new changes made to FILE.