;;; vc.el --- drive a version-control system from within Emacs
-;; Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
;; Author: Eric S. Raymond <esr@snark.thyrsus.com>
;; Modified by:
;; GNU General Public License for more details.
;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; 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.
;;; Commentary:
(defvar vc-dired-mode nil)
(make-variable-buffer-local 'vc-dired-mode)
-(defvar vc-comment-ring nil)
+(defvar vc-comment-ring (make-ring vc-maximum-comment-ring-size))
(defvar vc-comment-ring-index nil)
(defvar vc-last-comment-match nil)
(fillarray vc-file-prop-obarray nil)
;; Note: there is potential for minor lossage here if there is an open
;; log buffer with a nonzero local value of vc-comment-ring-index.
- (setq vc-comment-ring nil))
+ (setq vc-comment-ring (make-ring vc-maximum-comment-ring-size)))
(defun vc-file-clear-masterprops (file)
;; clear all properties of FILE that were retrieved
(dired-buffer (current-buffer))
(dired-dir default-directory))
(dired-map-over-marks
- (let ((file (dired-get-filename)) p)
+ (let ((file (dired-get-filename)) p
+ (default-directory default-directory))
(message "Processing %s..." file)
;; Adjust the default directory so that checkouts
;; go to the right place.
;; Comment too long?
(vc-backend-logentry-check vc-log-file)
;; Record the comment in the comment ring
- (if (null vc-comment-ring)
- (setq vc-comment-ring (make-ring vc-maximum-comment-ring-size)))
(ring-insert vc-comment-ring (buffer-string))
))
;; Sync parent buffer in case the user modified it while editing the comment.
checked in version of that file. This uses no arguments.
With a prefix argument, it reads the file name to use
and two version designators specifying which versions to compare."
- (interactive "P")
+ (interactive (list current-prefix-arg t))
(if vc-dired-mode
(set-buffer (find-file-noselect (dired-get-filename))))
(while vc-parent-buffer
(if oldbuf
(save-excursion
(set-buffer oldbuf)
- (set-visited-file-name new)
+ (let ((buffer-read-only buffer-read-only))
+ (set-visited-file-name new))
+ (vc-backend new)
+ (vc-mode-line new)
(set-buffer-modified-p nil))))
;; This had FILE, I changed it to OLD. -- rms.
(vc-backend-dispatch old
f)))
(directory-files RCS nil "...\\|^[^.]\\|^.[^.]")))))))
(let ((odefault default-directory)
- (full-name (if (boundp 'add-log-full-name)
- add-log-full-name
- (user-full-name)))
- (mailing-address (if (boundp 'add-log-mailing-address)
- add-log-mailing-address
- user-mail-address)))
+ (full-name (or add-log-full-name
+ (user-full-name)))
+ (mailing-address (or add-log-mailing-address
+ user-mail-address)))
(find-file-other-window (find-change-log))
(barf-if-buffer-read-only)
(vc-buffer-sync)
;; Retrieve a copy of a saved version into a workfile
(let ((filename (or workfile file))
(file-buffer (get-file-buffer file))
- (old-default-dir default-directory)
switches)
(message "Checking out %s..." filename)
(save-excursion
(setq switches (if (stringp vc-checkout-switches)
(list vc-checkout-switches)
vc-checkout-switches))
- ;; Adjust the default-directory so that the check-out creates
- ;; the file in the right place. The old value is restored below.
- (setq default-directory (file-name-directory filename))
- (vc-backend-dispatch file
- (progn ;; SCCS
- (and rev (string= rev "") (setq rev nil))
- (if workfile
- ;; Some SCCS implementations allow checking out directly to a
- ;; file using the -G option, but then some don't so use the
- ;; least common denominator approach and use the -p option
- ;; ala RCS.
- (let ((vc-modes (logior (file-modes (vc-name file))
- (if writable 128 0)))
- (failed t))
- (unwind-protect
- (progn
- (apply 'vc-do-command
- nil 0 "/bin/sh" file 'MASTER "-c"
- ;; Some shells make the "" dummy argument into $0
- ;; while others use the shell's name as $0 and
- ;; use the "" as $1. The if-statement
- ;; converts the latter case to the former.
- (format "if [ x\"$1\" = x ]; then shift; fi; \
+ ;; Save this buffer's default-directory
+ ;; and use save-excursion to make sure it is restored
+ ;; in the same buffer it was saved in.
+ (let ((default-directory default-directory))
+ (save-excursion
+ ;; Adjust the default-directory so that the check-out creates
+ ;; the file in the right place.
+ (setq default-directory (file-name-directory filename))
+ (vc-backend-dispatch file
+ (progn ;; SCCS
+ (and rev (string= rev "") (setq rev nil))
+ (if workfile
+ ;; Some SCCS implementations allow checking out directly to a
+ ;; file using the -G option, but then some don't so use the
+ ;; least common denominator approach and use the -p option
+ ;; ala RCS.
+ (let ((vc-modes (logior (file-modes (vc-name file))
+ (if writable 128 0)))
+ (failed t))
+ (unwind-protect
+ (progn
+ (apply 'vc-do-command
+ nil 0 "/bin/sh" file 'MASTER "-c"
+ ;; Some shells make the "" dummy argument into $0
+ ;; while others use the shell's name as $0 and
+ ;; use the "" as $1. The if-statement
+ ;; converts the latter case to the former.
+ (format "if [ x\"$1\" = x ]; then shift; fi; \
umask %o; exec >\"$1\" || exit; \
shift; umask %o; exec get \"$@\""
- (logand 511 (lognot vc-modes))
- (logand 511 (lognot (default-file-modes))))
- "" ; dummy argument for shell's $0
- filename
- (if writable "-e")
- "-p"
- (and rev
- (concat "-r" (vc-lookup-triple file rev)))
- switches)
- (setq failed nil))
- (and failed (file-exists-p filename)
- (delete-file filename))))
- (apply 'vc-do-command nil 0 "get" file 'MASTER ;; SCCS
- (if writable "-e")
- (and rev (concat "-r" (vc-lookup-triple file rev)))
- switches)
- (vc-file-setprop file 'vc-workfile-version nil)))
- (if workfile ;; RCS
- ;; RCS doesn't let us check out into arbitrary file names directly.
- ;; Use `co -p' and make stdout point to the correct file.
- (let ((vc-modes (logior (file-modes (vc-name file))
- (if writable 128 0)))
- (failed t))
- (unwind-protect
- (progn
- (apply 'vc-do-command
- nil 0 "/bin/sh" file 'MASTER "-c"
- ;; See the SCCS case, above, regarding the
- ;; if-statement.
- (format "if [ x\"$1\" = x ]; then shift; fi; \
+ (logand 511 (lognot vc-modes))
+ (logand 511 (lognot (default-file-modes))))
+ "" ; dummy argument for shell's $0
+ filename
+ (if writable "-e")
+ "-p"
+ (and rev
+ (concat "-r" (vc-lookup-triple file rev)))
+ switches)
+ (setq failed nil))
+ (and failed (file-exists-p filename)
+ (delete-file filename))))
+ (apply 'vc-do-command nil 0 "get" file 'MASTER ;; SCCS
+ (if writable "-e")
+ (and rev (concat "-r" (vc-lookup-triple file rev)))
+ switches)
+ (vc-file-setprop file 'vc-workfile-version nil)))
+ (if workfile ;; RCS
+ ;; RCS doesn't let us check out into arbitrary file names directly.
+ ;; Use `co -p' and make stdout point to the correct file.
+ (let ((vc-modes (logior (file-modes (vc-name file))
+ (if writable 128 0)))
+ (failed t))
+ (unwind-protect
+ (progn
+ (apply 'vc-do-command
+ nil 0 "/bin/sh" file 'MASTER "-c"
+ ;; See the SCCS case, above, regarding the
+ ;; if-statement.
+ (format "if [ x\"$1\" = x ]; then shift; fi; \
umask %o; exec >\"$1\" || exit; \
shift; umask %o; exec co \"$@\""
- (logand 511 (lognot vc-modes))
- (logand 511 (lognot (default-file-modes))))
- "" ; dummy argument for shell's $0
- filename
- (if writable "-l")
- (concat "-p" rev)
- switches)
- (setq failed nil))
- (and failed (file-exists-p filename) (delete-file filename))))
- (let (new-version)
- ;; if we should go to the head of the trunk,
- ;; clear the default branch first
- (and rev (string= rev "")
- (vc-do-command nil 0 "rcs" file 'MASTER "-b"))
- ;; now do the checkout
- (apply 'vc-do-command
- nil 0 "co" file 'MASTER
- ;; If locking is not strict, force to overwrite
- ;; the writable workfile.
- (if (eq (vc-checkout-model file) 'implicit) "-f")
- (if writable "-l")
- (if rev (concat "-r" rev)
- ;; if no explicit revision was specified,
- ;; check out that of the working file
- (let ((workrev (vc-workfile-version file)))
- (if workrev (concat "-r" workrev)
- nil)))
- switches)
- ;; determine the new workfile version
- (save-excursion
- (set-buffer "*vc*")
- (goto-char (point-min))
- (setq new-version
- (if (re-search-forward "^revision \\([0-9.]+\\).*\n" nil t)
- (buffer-substring (match-beginning 1) (match-end 1)))))
- (vc-file-setprop file 'vc-workfile-version new-version)
- ;; if necessary, adjust the default branch
- (and rev (not (string= rev ""))
- (vc-do-command nil 0 "rcs" file 'MASTER
- (concat "-b" (if (vc-latest-on-branch-p file)
- (if (vc-trunk-p new-version) nil
- (vc-branch-part new-version))
- new-version))))))
- (if workfile ;; CVS
- ;; CVS is much like RCS
- (let ((failed t))
- (unwind-protect
- (progn
- (apply 'vc-do-command
- nil 0 "/bin/sh" file 'WORKFILE "-c"
- "exec >\"$1\" || exit; shift; exec cvs update \"$@\""
- "" ; dummy argument for shell's $0
- workfile
- (concat "-r" rev)
- "-p"
- switches)
- (setq failed nil))
- (and failed (file-exists-p filename) (delete-file filename))))
- ;; default for verbose checkout: clear the sticky tag
- ;; so that the actual update will get the head of the trunk
- (and rev (string= rev "")
- (vc-do-command nil 0 "cvs" file 'WORKFILE "update" "-A"))
- ;; If a revision was specified, check that out.
- (if rev
- (apply 'vc-do-command nil 0 "cvs" file 'WORKFILE
- (and writable (eq (vc-checkout-model file) 'manual) "-w")
- "update"
- (and rev (not (string= rev ""))
- (concat "-r" rev))
- switches)
- ;; If no revision was specified, simply make the file writable.
- (and writable
- (or (eq (vc-checkout-model file) 'manual)
- (zerop (logand 128 (file-modes file))))
- (set-file-modes file (logior 128 (file-modes file)))))
- (if rev (vc-file-setprop file 'vc-workfile-version nil))))
- (setq default-directory old-default-dir)
- (cond
- ((not workfile)
- (vc-file-clear-masterprops file)
- (if writable
- (vc-file-setprop file 'vc-locking-user (user-login-name)))
- (vc-file-setprop file
- 'vc-checkout-time (nth 5 (file-attributes file)))))
- (message "Checking out %s...done" filename))))
+ (logand 511 (lognot vc-modes))
+ (logand 511 (lognot (default-file-modes))))
+ "" ; dummy argument for shell's $0
+ filename
+ (if writable "-l")
+ (concat "-p" rev)
+ switches)
+ (setq failed nil))
+ (and failed (file-exists-p filename) (delete-file filename))))
+ (let (new-version)
+ ;; if we should go to the head of the trunk,
+ ;; clear the default branch first
+ (and rev (string= rev "")
+ (vc-do-command nil 0 "rcs" file 'MASTER "-b"))
+ ;; now do the checkout
+ (apply 'vc-do-command
+ nil 0 "co" file 'MASTER
+ ;; If locking is not strict, force to overwrite
+ ;; the writable workfile.
+ (if (eq (vc-checkout-model file) 'implicit) "-f")
+ (if writable "-l")
+ (if rev (concat "-r" rev)
+ ;; if no explicit revision was specified,
+ ;; check out that of the working file
+ (let ((workrev (vc-workfile-version file)))
+ (if workrev (concat "-r" workrev)
+ nil)))
+ switches)
+ ;; determine the new workfile version
+ (save-excursion
+ (set-buffer "*vc*")
+ (goto-char (point-min))
+ (setq new-version
+ (if (re-search-forward "^revision \\([0-9.]+\\).*\n" nil t)
+ (buffer-substring (match-beginning 1) (match-end 1)))))
+ (vc-file-setprop file 'vc-workfile-version new-version)
+ ;; if necessary, adjust the default branch
+ (and rev (not (string= rev ""))
+ (vc-do-command nil 0 "rcs" file 'MASTER
+ (concat "-b" (if (vc-latest-on-branch-p file)
+ (if (vc-trunk-p new-version) nil
+ (vc-branch-part new-version))
+ new-version))))))
+ (if workfile ;; CVS
+ ;; CVS is much like RCS
+ (let ((failed t))
+ (unwind-protect
+ (progn
+ (apply 'vc-do-command
+ nil 0 "/bin/sh" file 'WORKFILE "-c"
+ "exec >\"$1\" || exit; shift; exec cvs update \"$@\""
+ "" ; dummy argument for shell's $0
+ workfile
+ (concat "-r" rev)
+ "-p"
+ switches)
+ (setq failed nil))
+ (and failed (file-exists-p filename) (delete-file filename))))
+ ;; default for verbose checkout: clear the sticky tag
+ ;; so that the actual update will get the head of the trunk
+ (and rev (string= rev "")
+ (vc-do-command nil 0 "cvs" file 'WORKFILE "update" "-A"))
+ ;; If a revision was specified, check that out.
+ (if rev
+ (apply 'vc-do-command nil 0 "cvs" file 'WORKFILE
+ (and writable (eq (vc-checkout-model file) 'manual) "-w")
+ "update"
+ (and rev (not (string= rev ""))
+ (concat "-r" rev))
+ switches)
+ ;; If no revision was specified, simply make the file writable.
+ (and writable
+ (or (eq (vc-checkout-model file) 'manual)
+ (zerop (logand 128 (file-modes file))))
+ (set-file-modes file (logior 128 (file-modes file)))))
+ (if rev (vc-file-setprop file 'vc-workfile-version nil))))
+ (cond
+ ((not workfile)
+ (vc-file-clear-masterprops file)
+ (if writable
+ (vc-file-setprop file 'vc-locking-user (user-login-name)))
+ (vc-file-setprop file
+ 'vc-checkout-time (nth 5 (file-attributes file)))))
+ (message "Checking out %s...done" filename))))))
(defun vc-backend-logentry-check (file)
(vc-backend-dispatch file