(defvar vc-suppress-confirm nil
"*If non-nil, treat user as expert; suppress yes-no prompts on some things.")
(defvar vc-initial-comment nil
- "*Prompt for initial comment when a file is registered.")
+ "*If non-nil, prompt for initial comment when a file is registered.")
(defvar vc-command-messages nil
- "*Display run messages from back-end commands.")
+ "*If non-nil, display run messages from back-end commands.")
(defvar vc-checkin-switches nil
- "*Extra switches passed to the checkin program by \\[vc-checkin].")
+ "*A string or list of strings specifying extra switches passed
+to the checkin program by \\[vc-checkin].")
(defvar vc-checkout-switches nil
- "*Extra switches passed to the checkout program by \\[vc-checkout].")
+ "*A string or list of strings specifying extra switches passed
+to the checkout program by \\[vc-checkout].")
(defvar vc-directory-exclusion-list '("SCCS" "RCS" "CVS")
- "*Directory names ignored by functions that recursively walk file trees.")
+ "*A list of directory names ignored by functions that recursively
+walk file trees.")
(defconst vc-maximum-comment-ring-size 32
"Maximum number of saved comments in the comment ring.")
(defvar vc-header-alist
'((SCCS "\%W\%") (RCS "\$Id\$") (CVS "\$Id\$"))
- "*Header keywords to be inserted when `vc-insert-headers' is executed.")
+ "*Header keywords to be inserted by `vc-insert-headers'.
+Must be a list of two-element lists, the first element of each must
+be `RCS', `CVS', or `SCCS'. The second element is the string to
+be inserted for this particular backend.")
(defvar vc-static-header-alist
'(("\\.c$" .
"\n#ifndef lint\nstatic char vcid[] = \"\%s\";\n#endif /* lint */\n"))
If nil, VC itself computes this value when it is first needed.")
(defvar vc-cvs-release nil
- "*The release number of your SCCS installation, as a string.
+ "*The release number of your CVS installation, as a string.
If nil, VC itself computes this value when it is first needed.")
;; Variables the user doesn't need to know about.
(vc-buffer-sync not-urgent)
(setq unchanged (vc-workfile-unchanged-p buffer-file-name))
(if unchanged
- (message "No changes to %s since latest version." file)
+ (message "No changes to %s since latest version" file)
(vc-backend-diff file)
;; Ideally, we'd like at this point to parse the diff so that
;; the buffer effectively goes into compilation mode and we
;; problem is that the `old' file doesn't exist to be
;; visited. This plays hell with numerous assumptions in
;; the diff.el and compile.el machinery.
- (pop-to-buffer "*vc-diff*")
+ (set-buffer "*vc-diff*")
(setq default-directory (file-name-directory file))
(if (= 0 (buffer-size))
(progn
(setq unchanged t)
- (message "No changes to %s since latest version." file))
+ (message "No changes to %s since latest version" file))
+ (pop-to-buffer "*vc-diff*")
(goto-char (point-min))
(shrink-window-if-larger-than-buffer)))
(not unchanged))))
(while vc-parent-buffer
(pop-to-buffer vc-parent-buffer))
(cond
- ((eq (vc-backend (buffer-file-name)) 'CVS)
+ ((not (vc-registered (buffer-file-name)))
+ (vc-registration-error (buffer-file-name))
+ (eq (vc-backend (buffer-file-name)) 'CVS)
(error "Unchecking files under CVS is dangerous and not supported in VC"))
((vc-locking-user (buffer-file-name))
(error "This version is locked; use vc-revert-buffer to discard changes"))
((not (vc-latest-on-branch-p (buffer-file-name)))
(error "This is not the latest version--VC cannot cancel it")))
- (let ((target (vc-workfile-version (buffer-file-name))))
- (if (null (yes-or-no-p "Remove this version from master? "))
+ (let* ((target (vc-workfile-version (buffer-file-name)))
+ (recent (if (vc-trunk-p target) "" (vc-branch-part target)))
+ (config (current-window-configuration)) done)
+ (if (null (yes-or-no-p (format "Remove version %s from master? " target)))
nil
(setq norevert (or norevert (not
(yes-or-no-p "Revert buffer to most recent remaining version? "))))
(vc-backend-uncheck (buffer-file-name) target)
- (if (not norevert)
- (vc-checkout (buffer-file-name) nil)
- ;; If norevert, lock the most recent remaining version,
- ;; and mark the buffer modified.
- (if (eq (vc-backend (buffer-file-name)) 'RCS)
- (progn (setq buffer-read-only nil)
- (vc-clear-headers)))
- (vc-backend-checkout (buffer-file-name) t (vc-branch-part target))
- (set-visited-file-name (buffer-file-name))
- (vc-mode-line (buffer-file-name)))
- (message "Version %s has been removed from the master." target)
+ ;; Check out the most recent remaining version. If it fails, because
+ ;; the whole branch got deleted, do a double-take and check out the
+ ;; version where the branch started.
+ (while (not done)
+ (condition-case err
+ (progn
+ (if norevert
+ ;; Check out locked, but only to disc, and keep
+ ;; modifications in the buffer.
+ (vc-backend-checkout (buffer-file-name) t recent)
+ ;; Check out unlocked, and revert buffer.
+ (vc-checkout (buffer-file-name) nil recent))
+ (setq done t))
+ (error (set-buffer "*vc*")
+ (goto-char (point-min))
+ (if (re-search-forward "no side branches present for" nil t)
+ (progn (setq recent (vc-branch-part recent))
+ (set-window-configuration config))
+ ;; No, it was some other error: re-signal it.
+ (signal (car err) (cdr err))))))
+ ;; If norevert, clear version headers and mark the buffer modified.
+ (if norevert
+ (progn
+ (set-visited-file-name (buffer-file-name))
+ (if (not vc-make-backup-files)
+ ;; inhibit backup for this buffer
+ (progn (make-local-variable 'backup-inhibited)
+ (setq backup-inhibited t)))
+ (if (eq (vc-backend (buffer-file-name)) 'RCS)
+ (progn (setq buffer-read-only nil)
+ (vc-clear-headers)))
+ (vc-mode-line (buffer-file-name))))
+ (message "Version %s has been removed from the master" target)
)))
;;;###autoload
;; the file in the right place. The old value is restored below.
(setq default-directory (file-name-directory filename))
(vc-backend-dispatch file
- (if workfile;; SCCS
- ;; 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; \
+ (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
+ "" ; 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))