;;; vc-sccs.el --- support for SCCS version-control
-;; Copyright (C) 1992,93,94,95,96,97,98,99,2000,2001 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+;; 2000, 2001, 2004 Free Software Foundation, Inc.
;; Author: FSF (see vc.el for full credits)
;; Maintainer: Andre Spiegel <spiegel@gnu.org>
-;; $Id: vc-sccs.el,v 1.15 2002/03/18 17:20:43 spiegel Exp $
+;; $Id$
;; This file is part of GNU Emacs.
;;; Code:
-(eval-when-compile
+(eval-when-compile
(require 'vc))
-;;;
+;;;
;;; Customization options
;;;
;;; 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 (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))))
+ ;; 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."
+ "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))))))
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 (append
- (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)))|)
+ (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-relative-name file))
(and comment (concat "-y" comment))
- 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)))))
+ (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
(and rev
(concat "-r"
(vc-sccs-lookup-triple file rev)))
- vc-checkout-switches))
+ (vc-switches 'SCCS 'checkout)))
(defun vc-sccs-checkout (file &optional editable rev)
"Retrieve a copy of a saved version of SCCS controlled 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.
;; the file in the right place.
(setq default-directory (file-name-directory file))
- (and rev (string= rev "") (setq rev nil))
+ (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)))
;;; 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 nil 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))
- (apply 'vc-do-command "*vc-diff*" 1 "vcdiff" (vc-name file)
+ (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-diff-switches-list 'SCCS))))
+ (vc-switches 'SCCS 'diff))))
\f
;;;
(provide 'vc-sccs)
+;; arch-tag: d751dee3-d7b3-47e1-95e3-7ae98c052041
;;; vc-sccs.el ends here