;;; vc-sccs.el --- support for SCCS version-control
-;; Copyright (C) 1992,93,94,95,96,97,98,99,2000 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+;; 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
;; Author: FSF (see vc.el for full credits)
;; Maintainer: Andre Spiegel <spiegel@gnu.org>
-;; $Id: vc-sccs.el,v 1.5 2000/11/16 18:14:41 spiegel Exp $
+;; $Id$
;; This file is part of GNU Emacs.
;; 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, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
-;;;
+(eval-when-compile
+ (require 'vc))
+
+;;;
;;; Customization options
;;;
:version "21.1"
:group 'vc)
+(defcustom vc-sccs-diff-switches nil
+ "*A string or list of strings specifying extra switches for `vcdiff',
+the diff utility used for SCCS under VC."
+ :type '(choice (const :tag "None" nil)
+ (string :tag "Argument String")
+ (repeat :tag "Argument List"
+ :value ("")
+ string))
+ :version "21.1"
+ :group 'vc)
+
(defcustom vc-sccs-header (or (cdr (assoc 'SCCS vc-header-alist)) '("%W%"))
"*Header keywords to be inserted by `vc-insert-headers'."
- :type 'string
+ :type '(repeat string)
:group 'vc)
;;;###autoload
;;; State-querying functions
;;;
-;;;###autoload
-(progn (defun vc-sccs-registered (f) (vc-default-registered 'SCCS f)))
+;;; The autoload cookie below places vc-sccs-registered directly into
+;;; loaddefs.el, so that vc-sccs.el does not need to be loaded for
+;;; every file that is visited. The definition is repeated below
+;;; so that Help and etags can find it.
+
+;;;###autoload (defun vc-sccs-registered(f) (vc-default-registered 'SCCS f))
+(defun vc-sccs-registered (f) (vc-default-registered 'SCCS f))
(defun vc-sccs-state (file)
"SCCS-specific function to compute the version control state."
(if (vc-workfile-unchanged-p file)
'up-to-date
'unlocked-changes)
- (if (string= locking-user (vc-user-login-name))
+ (if (string= locking-user (vc-user-login-name file))
'edited
locking-user)))
'up-to-date)))
;; We have to be careful not to exclude files with execute bits on;
;; scripts can be under version control too. Also, we must ignore the
;; group-read and other-read bits, since paranoid users turn them off.
- (let* ((attributes (file-attributes file))
- (owner-uid (nth 2 attributes))
+ (let* ((attributes (file-attributes file 'string))
+ (owner-name (nth 2 attributes))
(permissions (nth 8 attributes)))
(if (string-match ".r-..-..-." permissions)
'up-to-date
(if (string-match ".rw..-..-." permissions)
(if (file-ownership-preserved-p file)
'edited
- (vc-user-login-name owner-uid))
- ;; Strange permissions.
- ;; Fall through to real state computation.
- (vc-sccs-state file)))
- (vc-sccs-state file))))
+ owner-name)
+ ;; Strange permissions.
+ ;; Fall through to real state computation.
+ (vc-sccs-state file))))
+ (vc-sccs-state file)))
(defun vc-sccs-workfile-version (file)
"SCCS-specific version of `vc-workfile-version'."
(with-temp-buffer
- (vc-insert-file (vc-name file) "^\001e")
+ ;; The workfile version is always the latest version number.
+ ;; To find this number, search the entire delta table,
+ ;; rather than just the first entry, because the
+ ;; first entry might be a deleted ("R") version.
+ (vc-insert-file (vc-name file) "^\001e\n\001[^s]")
(vc-parse-buffer "^\001d D \\([^ ]+\\)" 1)))
(defun vc-sccs-checkout-model (file)
'locking)
(defun vc-sccs-workfile-unchanged-p (file)
- "SCCS-specific implementation of vc-workfile-unchanged-p."
- (apply 'vc-do-command nil 1 "vcdiff" (vc-name file)
- (list "--brief" "-q"
- (concat "-r" (vc-workfile-version file)))))
+ "SCCS-specific implementation of `vc-workfile-unchanged-p'."
+ (zerop (apply 'vc-do-command nil 1 "vcdiff" (vc-name file)
+ (list "--brief" "-q"
+ (concat "-r" (vc-workfile-version file))))))
\f
;;;
Automatically retrieve a read-only version of the file with keywords
expanded if `vc-keep-workfiles' is non-nil, otherwise, delete the workfile."
- (let* ((switches (list
- (if (stringp vc-register-switches)
- (list vc-register-switches)
- vc-register-switches)
- (if (stringp vc-sccs-register-switches)
- (list vc-sccs-register-switches)
- vc-sccs-register-switches)))
- (dirname (or (file-name-directory file) ""))
+ (let* ((dirname (or (file-name-directory file) ""))
(basename (file-name-nondirectory file))
(project-file (vc-sccs-search-project-dir dirname basename)))
(let ((vc-name
(or project-file
- (format (car vc-sccs-master-templates) dirname basename)))|)
- (apply 'vc-do-command nil 0 "admin" nil
+ (format (car vc-sccs-master-templates) dirname basename))))
+ (apply 'vc-do-command nil 0 "admin" vc-name
(and rev (concat "-r" rev))
"-fb"
- (concat "-i" file)
+ (concat "-i" (file-relative-name file))
(and comment (concat "-y" comment))
- vc-name
- switches))
+ (vc-switches 'SCCS 'register)))
(delete-file file)
(if vc-keep-workfiles
(vc-do-command nil 0 "get" (vc-name file)))))
(defun vc-sccs-checkin (file rev comment)
"SCCS-specific version of `vc-backend-checkin'."
- (let ((switches (if (stringp vc-checkin-switches)
- (list vc-checkin-switches)
- vc-checkin-switches)))
- (apply 'vc-do-command nil 0 "delta" (vc-name file)
- (if rev (concat "-r" rev))
- (concat "-y" comment)
- switches)
- (if vc-keep-workfiles
- (vc-do-command nil 0 "get" (vc-name file)))))
-
-(defun vc-sccs-checkout (file &optional editable rev workfile)
- "Retrieve a copy of a saved version of SCCS controlled FILE into a WORKFILE.
+ (apply 'vc-do-command nil 0 "delta" (vc-name file)
+ (if rev (concat "-r" rev))
+ (concat "-y" comment)
+ (vc-switches 'SCCS 'checkin))
+ (if vc-keep-workfiles
+ (vc-do-command nil 0 "get" (vc-name file))))
+
+(defun vc-sccs-find-version (file rev buffer)
+ (apply 'vc-do-command
+ buffer 0 "get" (vc-name file)
+ "-s" ;; suppress diagnostic output
+ "-p"
+ (and rev
+ (concat "-r"
+ (vc-sccs-lookup-triple file rev)))
+ (vc-switches 'SCCS 'checkout)))
+
+(defun vc-sccs-checkout (file &optional editable rev)
+ "Retrieve a copy of a saved version of SCCS controlled FILE.
EDITABLE non-nil means that the file should be writable and
-locked. REV is the revision to check out into WORKFILE."
- (let ((filename (or workfile file))
- (file-buffer (get-file-buffer file))
+locked. REV is the revision to check out."
+ (let ((file-buffer (get-file-buffer file))
switches)
- (message "Checking out %s..." filename)
+ (message "Checking out %s..." file)
(save-excursion
;; Change buffers to get local value of vc-checkout-switches.
(if file-buffer (set-buffer file-buffer))
- (setq switches (if (stringp vc-checkout-switches)
- (list vc-checkout-switches)
- vc-checkout-switches))
+ (setq switches (vc-switches 'SCCS 'checkout))
;; Save this buffer's default-directory
;; and use save-excursion to make sure it is restored
;; in the same buffer it was saved in.
(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))
-
- (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 editable 128 0)))
- (failed t))
- (unwind-protect
- (progn
- (let ((coding-system-for-read 'no-conversion)
- (coding-system-for-write 'no-conversion))
- (with-temp-file filename
- (apply 'vc-do-command
- (current-buffer) 0 "get" (vc-name file)
- "-s" ;; suppress diagnostic output
- (if editable "-e")
- "-p"
- (and rev
- (concat "-r"
- (vc-sccs-lookup-triple file rev)))
- switches)))
- (set-file-modes filename
- (logior (file-modes (vc-name file))
- (if editable 128 0)))
- (setq failed nil))
- (and failed (file-exists-p filename)
- (delete-file filename))))
- (apply 'vc-do-command nil 0 "get" (vc-name file)
- (if editable "-e")
- (and rev (concat "-r" (vc-sccs-lookup-triple file rev)))
- switches)))))
- (message "Checking out %s...done" filename)))
-
-(defun vc-sccs-revert (file)
+ (setq default-directory (file-name-directory file))
+
+ (and rev (or (string= rev "")
+ (not (stringp rev)))
+ (setq rev nil))
+ (apply 'vc-do-command nil 0 "get" (vc-name file)
+ (if editable "-e")
+ (and rev (concat "-r" (vc-sccs-lookup-triple file rev)))
+ switches))))
+ (message "Checking out %s...done" file)))
+
+(defun vc-sccs-revert (file &optional contents-done)
"Revert FILE to the version it was based on."
(vc-do-command nil 0 "unget" (vc-name file))
(vc-do-command nil 0 "get" (vc-name file))
;;; History functions
;;;
-(defun vc-sccs-print-log (file)
+(defun vc-sccs-print-log (file &optional buffer)
"Get change log associated with FILE."
- (vc-do-command t 0 "prs" (vc-name file)))
+ (vc-do-command buffer 0 "prs" (vc-name file)))
(defun vc-sccs-logentry-check ()
"Check that the log entry in the current buffer is acceptable for SCCS."
(goto-char 512)
(error "Log must be less than 512 characters; point is now at pos 512")))
-(defun vc-sccs-diff (file &optional oldvers newvers)
+(defun vc-sccs-diff (file &optional oldvers newvers buffer)
"Get a difference report using SCCS between two versions of FILE."
(setq oldvers (vc-sccs-lookup-triple file oldvers))
(setq newvers (vc-sccs-lookup-triple file newvers))
- (let* ((diff-switches-list (if (listp diff-switches)
- diff-switches
- (list diff-switches)))
- (options (append (list "-q"
- (and oldvers (concat "-r" oldvers))
- (and newvers (concat "-r" newvers)))
- diff-switches-list)))
- (apply 'vc-do-command t 1 "vcdiff" (vc-name file) options)))
+ (apply 'vc-do-command (or buffer "*vc-diff*") 1 "vcdiff" (vc-name file)
+ (append (list "-q"
+ (and oldvers (concat "-r" oldvers))
+ (and newvers (concat "-r" newvers)))
+ (vc-switches 'SCCS 'diff))))
\f
;;;
(provide 'vc-sccs)
+;; arch-tag: d751dee3-d7b3-47e1-95e3-7ae98c052041
;;; vc-sccs.el ends here
-
-
-