;; Author: FSF (see vc.el for full credits)
;; Maintainer: Andre Spiegel <spiegel@gnu.org>
-;; $Id: vc-sccs.el,v 1.9 2001/02/01 17:42:44 fx Exp $
+;; $Id: vc-sccs.el,v 1.20 2002/12/26 14:07:15 spiegel Exp $
;; 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."
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
+ (let* ((switches (append
(if (stringp vc-register-switches)
(list vc-register-switches)
vc-register-switches)
(let ((vc-name
(or project-file
(format (car vc-sccs-master-templates) dirname basename)))|)
- (apply 'vc-do-command nil 0 "admin" nil
+ (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))
(delete-file file)
(if vc-keep-workfiles
(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.
+(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)))
+ (if (stringp vc-checkout-switches)
+ (list vc-checkout-switches)
+ vc-checkout-switches)))
+
+(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))
(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))
"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 "*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-diff-switches-list 'SCCS))))
\f
;;;
(provide 'vc-sccs)
;;; vc-sccs.el ends here
-
-
-
HCoop / bpt / emacs.git / blobdiff