;;; vc-rcs.el --- support for RCS version-control
;; Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-;; 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+;; 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
;; Author: FSF (see vc.el for full credits)
;; Maintainer: Andre Spiegel <spiegel@gnu.org>
\f
;;; Properties of the backend
-(defun vc-rcs-revision-granularity ()
- 'file)
+(defun vc-rcs-revision-granularity () 'file)
+
+(defun vc-rcs-checkout-model (files)
+ "RCS-specific version of `vc-checkout-model'."
+ (let ((file (if (consp files) (car files) files))
+ result)
+ (when vc-consult-headers
+ (vc-file-setprop file 'vc-checkout-model nil)
+ (vc-rcs-consult-headers file)
+ (setq result (vc-file-getprop file 'vc-checkout-model)))
+ (or result
+ (progn (vc-rcs-fetch-master-state file)
+ (vc-file-getprop file 'vc-checkout-model)))))
;;;
;;; State-querying functions
;;;
-;;; The autoload cookie below places vc-rcs-registered directly into
-;;; loaddefs.el, so that vc-rcs.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-rcs-registered (f) (vc-default-registered 'RCS f))
-(defun vc-rcs-registered (f) (vc-default-registered 'RCS f))
+;; The autoload cookie below places vc-rcs-registered directly into
+;; loaddefs.el, so that vc-rcs.el does not need to be loaded for
+;; every file that is visited.
+;;;###autoload
+(progn
+(defun vc-rcs-registered (f) (vc-default-registered 'RCS f)))
(defun vc-rcs-state (file)
"Implementation of `vc-state' for RCS."
- (or (boundp 'vc-rcs-headers-result)
- (and vc-consult-headers
- (vc-rcs-consult-headers file)))
- (let ((state
- ;; vc-working-revision might not be known; in that case the
- ;; property is nil. vc-rcs-fetch-master-state knows how to
- ;; handle that.
- (vc-rcs-fetch-master-state file
- (vc-file-getprop file
- 'vc-working-revision))))
- (if (not (eq state 'up-to-date))
- state
- (if (vc-workfile-unchanged-p file)
- 'up-to-date
- (if (eq (vc-checkout-model file) 'locking)
- 'unlocked-changes
- 'edited)))))
+ (if (not (vc-rcs-registered file))
+ 'unregistered
+ (or (boundp 'vc-rcs-headers-result)
+ (and vc-consult-headers
+ (vc-rcs-consult-headers file)))
+ (let ((state
+ ;; vc-working-revision might not be known; in that case the
+ ;; property is nil. vc-rcs-fetch-master-state knows how to
+ ;; handle that.
+ (vc-rcs-fetch-master-state file
+ (vc-file-getprop file
+ 'vc-working-revision))))
+ (if (not (eq state 'up-to-date))
+ state
+ (if (vc-workfile-unchanged-p file)
+ 'up-to-date
+ (if (eq (vc-rcs-checkout-model (list file)) 'locking)
+ 'unlocked-changes
+ 'edited))))))
(defun vc-rcs-state-heuristic (file)
"State heuristic for RCS."
(vc-file-setprop file 'vc-checkout-model 'locking)
'up-to-date)
((string-match ".rw..-..-." permissions)
- (if (eq (vc-checkout-model file) 'locking)
+ (if (eq (vc-rcs-checkout-model file) 'locking)
(if (file-ownership-preserved-p file)
'edited
owner-name)
(vc-rcs-state file))))
(vc-rcs-state file)))))
+(defun vc-rcs-dir-status (dir update-function)
+ ;; Doing individual vc-state calls is painful but tgere
+ ;; is no better way in RCS-land.
+ (let ((flist (vc-expand-dirs (list dir)))
+ (result nil))
+ (dolist (file flist)
+ (let ((state (vc-state file))
+ (frel (file-relative-name file)))
+ (push (list frel state) result)))
+ (funcall update-function result)))
+
(defun vc-rcs-working-revision (file)
"RCS-specific version of `vc-working-revision'."
(or (and vc-consult-headers
(vc-insert-file (vc-name file) "^desc")
(vc-rcs-find-most-recent-rev (vc-branch-part version))))))
-(defun vc-rcs-checkout-model (file)
- "RCS-specific version of `vc-checkout-model'."
- (let (result)
- (when vc-consult-headers
- (vc-file-setprop file 'vc-checkout-model nil)
- (vc-rcs-consult-headers file)
- (setq result (vc-file-getprop file 'vc-checkout-model)))
- (or result
- (progn (vc-rcs-fetch-master-state file)
- (vc-file-getprop file 'vc-checkout-model)))))
-
(defun vc-rcs-workfile-unchanged-p (file)
"RCS-specific implementation of `vc-workfile-unchanged-p'."
;; Try to use rcsdiff --brief. If rcsdiff does not understand that,
Automatically retrieve a read-only version of the file with keywords
expanded if `vc-keep-workfiles' is non-nil, otherwise, delete the workfile."
- (let ((subdir (expand-file-name "RCS" (file-name-directory file))))
+ (let (subdir name)
(dolist (file files)
- (and (not (file-exists-p subdir))
+ (and (not (file-exists-p
+ (setq subdir (expand-file-name "RCS"
+ (file-name-directory file)))))
(not (directory-files (file-name-directory file)
nil ".*,v$" t))
(yes-or-no-p "Create RCS subdirectory? ")
(vc-switches 'RCS 'register))
;; parse output to find master file name and workfile version
(with-current-buffer "*vc*"
- (goto-char (point-min))
- (let ((name (if (looking-at (concat "^\\(.*\\) <-- "
- (file-name-nondirectory file)))
- (match-string 1))))
- (if (not name)
- ;; if we couldn't find the master name,
- ;; run vc-rcs-registered to get it
- ;; (will be stored into the vc-name property)
- (vc-rcs-registered file)
- (vc-file-setprop file 'vc-name
- (if (file-name-absolute-p name)
- name
- (expand-file-name
- name
- (file-name-directory file))))))
- (vc-file-setprop file 'vc-working-revision
- (if (re-search-forward
- "^initial revision: \\([0-9.]+\\).*\n"
- nil t)
- (match-string 1)))))))
+ (goto-char (point-min))
+ (if (not (setq name
+ (if (looking-at (concat "^\\(.*\\) <-- "
+ (file-name-nondirectory file)))
+ (match-string 1))))
+ ;; if we couldn't find the master name,
+ ;; run vc-rcs-registered to get it
+ ;; (will be stored into the vc-name property)
+ (vc-rcs-registered file)
+ (vc-file-setprop file 'vc-name
+ (if (file-name-absolute-p name)
+ name
+ (expand-file-name
+ name
+ (file-name-directory file))))))
+ (vc-file-setprop file 'vc-working-revision
+ (if (re-search-forward
+ "^initial revision: \\([0-9.]+\\).*\n"
+ nil t)
+ (match-string 1))))))
(defun vc-rcs-responsible-p (file)
"Return non-nil if RCS thinks it would be responsible for registering FILE."
(defun vc-rcs-receive-file (file rev)
"Implementation of receive-file for RCS."
- (let ((checkout-model (vc-checkout-model file)))
+ (let ((checkout-model (vc-rcs-checkout-model (list file))))
(vc-rcs-register file rev "")
(when (eq checkout-model 'implicit)
(vc-rcs-set-non-strict-locking file))
nil 0 "co" (vc-name file)
;; If locking is not strict, force to overwrite
;; the writable workfile.
- (if (eq (vc-checkout-model file) 'implicit) "-f")
+ (if (eq (vc-rcs-checkout-model (list file)) 'implicit) "-f")
(if editable "-l")
(if (stringp rev)
;; a literal revision was specified
(previous (if (vc-trunk-p discard) "" (vc-branch-part discard)))
(config (current-window-configuration))
(done nil))
- (if (null (yes-or-no-p (format "Remove version %s from %s history? "
+ (if (null (yes-or-no-p (format "Remove version %s from %s history? "
discard file)))
(error "Aborted"))
(message "Removing revision %s from %s." discard file)
;; expanded headers.
(vc-do-command nil 0 "co" (vc-name file) "-f" (concat "-l" rev)))
+(defun vc-rcs-modify-change-comment (files rev comment)
+ "Modify the change comments change on FILES on a specified REV."
+ (dolist (file files)
+ (vc-do-command nil 0 "rcs" (vc-name file)
+ (concat "-m" rev ":" comment))))
\f
;;;
(defun vc-rcs-diff (files &optional oldvers newvers buffer)
"Get a difference report using RCS between two sets of files."
- (apply 'vc-do-command (or buffer "*vc-diff*")
+ (apply 'vc-do-command (or buffer "*vc-diff*")
1 ;; Always go synchronous, the repo is local
"rcsdiff" (vc-expand-dirs files)
(append (list "-q"
;;; Internal functions
;;;
+(defun vc-rcs-root (dir)
+ (vc-find-root dir "RCS" t))
+
(defun vc-rcs-workfile-is-newer (file)
"Return non-nil if FILE is newer than its RCS master.
This likely means that FILE has been changed with respect
;; workfile version is latest on branch
'up-to-date
;; workfile version is not latest on branch
- 'needs-patch))
+ 'needs-update))
;; locked by the calling user
((and (stringp locking-user)
(string= locking-user (vc-user-login-name file)))
- (if (or (eq (vc-checkout-model file) 'locking)
+ (if (or (eq (vc-rcs-checkout-model (list file)) 'locking)
workfile-is-latest
(vc-rcs-latest-on-branch-p file working-revision))
'edited
HCoop / bpt / emacs.git / blobdiff