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aae56ea7 | 1 | ;;; vc-hooks.el --- resident support for version-control |
594722a8 | 2 | |
6b61353c | 3 | ;; Copyright (C) 1992,93,94,95,96,98,99,2000,03,2004 |
0bfb74a9 | 4 | ;; Free Software Foundation, Inc. |
594722a8 | 5 | |
0e0d9831 GM |
6 | ;; Author: FSF (see vc.el for full credits) |
7 | ;; Maintainer: Andre Spiegel <spiegel@gnu.org> | |
594722a8 | 8 | |
6b61353c | 9 | ;; $Id: vc-hooks.el,v 1.165 2004/03/28 17:38:03 monnier Exp $ |
f4c72097 | 10 | |
594722a8 ER |
11 | ;; This file is part of GNU Emacs. |
12 | ||
13 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
14 | ;; it under the terms of the GNU General Public License as published by | |
15 | ;; the Free Software Foundation; either version 2, or (at your option) | |
16 | ;; any later version. | |
17 | ||
18 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | ;; GNU General Public License for more details. | |
22 | ||
23 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
24 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
25 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
26 | ;; Boston, MA 02111-1307, USA. | |
594722a8 ER |
27 | |
28 | ;;; Commentary: | |
29 | ||
0e0d9831 GM |
30 | ;; This is the always-loaded portion of VC. It takes care of |
31 | ;; VC-related activities that are done when you visit a file, so that | |
32 | ;; vc.el itself is loaded only when you use a VC command. See the | |
33 | ;; commentary of vc.el. | |
594722a8 ER |
34 | |
35 | ;;; Code: | |
36 | ||
c3ce5e29 AS |
37 | (eval-when-compile |
38 | (require 'cl)) | |
099bd78a | 39 | |
e1c0c2d1 KH |
40 | ;; Customization Variables (the rest is in vc.el) |
41 | ||
e18cf2ee | 42 | (defvar vc-ignore-vc-files nil) |
6b61353c KH |
43 | (make-obsolete-variable 'vc-ignore-vc-files |
44 | "set `vc-handled-backends' to nil to disable VC.") | |
45 | ||
e18cf2ee | 46 | (defvar vc-master-templates ()) |
6b61353c KH |
47 | (make-obsolete-variable 'vc-master-templates |
48 | "to define master templates for a given BACKEND, use | |
49 | vc-BACKEND-master-templates. To enable or disable VC for a given | |
50 | BACKEND, use `vc-handled-backends'.") | |
51 | ||
e18cf2ee JB |
52 | (defvar vc-header-alist ()) |
53 | (make-obsolete-variable 'vc-header-alist 'vc-BACKEND-header) | |
0e0d9831 | 54 | |
6b61353c KH |
55 | (defcustom vc-handled-backends '(RCS CVS SVN SCCS Arch MCVS) |
56 | ;; Arch and MCVS come last because they are per-tree rather than per-dir. | |
0e0d9831 GM |
57 | "*List of version control backends for which VC will be used. |
58 | Entries in this list will be tried in order to determine whether a | |
59 | file is under that sort of version control. | |
60 | Removing an entry from the list prevents VC from being activated | |
61 | when visiting a file managed by that backend. | |
62 | An empty list disables VC altogether." | |
63 | :type '(repeat symbol) | |
099bd78a | 64 | :version "21.1" |
50bec091 | 65 | :group 'vc) |
31888047 | 66 | |
50bec091 | 67 | (defcustom vc-path |
e1c0c2d1 KH |
68 | (if (file-directory-p "/usr/sccs") |
69 | '("/usr/sccs") | |
70 | nil) | |
50bec091 KH |
71 | "*List of extra directories to search for version control commands." |
72 | :type '(repeat directory) | |
73 | :group 'vc) | |
e1c0c2d1 | 74 | |
50bec091 | 75 | (defcustom vc-make-backup-files nil |
5032bd23 | 76 | "*If non-nil, backups of registered files are made as with other files. |
50bec091 KH |
77 | If nil (the default), files covered by version control don't get backups." |
78 | :type 'boolean | |
8f383484 DL |
79 | :group 'vc |
80 | :group 'backup) | |
594722a8 | 81 | |
50bec091 | 82 | (defcustom vc-follow-symlinks 'ask |
0e0d9831 GM |
83 | "*What to do if visiting a symbolic link to a file under version control. |
84 | Editing such a file through the link bypasses the version control system, | |
85 | which is dangerous and probably not what you want. | |
86 | ||
87 | If this variable is t, VC follows the link and visits the real file, | |
b8063212 AS |
88 | telling you about it in the echo area. If it is `ask', VC asks for |
89 | confirmation whether it should follow the link. If nil, the link is | |
50bec091 | 90 | visited and a warning displayed." |
0e0d9831 GM |
91 | :type '(choice (const :tag "Ask for confirmation" ask) |
92 | (const :tag "Visit link and warn" nil) | |
93 | (const :tag "Follow link" t)) | |
50bec091 | 94 | :group 'vc) |
b8063212 | 95 | |
50bec091 | 96 | (defcustom vc-display-status t |
624c0e9d | 97 | "*If non-nil, display revision number and lock status in modeline. |
50bec091 KH |
98 | Otherwise, not displayed." |
99 | :type 'boolean | |
100 | :group 'vc) | |
101 | ||
198d5c00 | 102 | |
50bec091 KH |
103 | (defcustom vc-consult-headers t |
104 | "*If non-nil, identify work files by searching for version headers." | |
105 | :type 'boolean | |
106 | :group 'vc) | |
e1c0c2d1 | 107 | |
50bec091 | 108 | (defcustom vc-keep-workfiles t |
e1c0c2d1 KH |
109 | "*If non-nil, don't delete working files after registering changes. |
110 | If the back-end is CVS, workfiles are always kept, regardless of the | |
50bec091 KH |
111 | value of this flag." |
112 | :type 'boolean | |
113 | :group 'vc) | |
e1c0c2d1 | 114 | |
50bec091 | 115 | (defcustom vc-mistrust-permissions nil |
0e0d9831 GM |
116 | "*If non-nil, don't assume permissions/ownership track version-control status. |
117 | If nil, do rely on the permissions. | |
50bec091 KH |
118 | See also variable `vc-consult-headers'." |
119 | :type 'boolean | |
120 | :group 'vc) | |
e66eac08 AS |
121 | |
122 | (defun vc-mistrust-permissions (file) | |
0e0d9831 | 123 | "Internal access function to variable `vc-mistrust-permissions' for FILE." |
e66eac08 AS |
124 | (or (eq vc-mistrust-permissions 't) |
125 | (and vc-mistrust-permissions | |
0e0d9831 | 126 | (funcall vc-mistrust-permissions |
e66eac08 AS |
127 | (vc-backend-subdirectory-name file))))) |
128 | ||
113414a9 SM |
129 | (defcustom vc-stay-local t |
130 | "*Non-nil means use local operations when possible for remote repositories. | |
131 | This avoids slow queries over the network and instead uses heuristics | |
132 | and past information to determine the current status of a file. | |
133 | ||
134 | The value can also be a regular expression or list of regular | |
135 | expressions to match against the host name of a repository; then VC | |
136 | only stays local for hosts that match it. Alternatively, the value | |
137 | can be a list of regular expressions where the first element is the | |
138 | symbol `except'; then VC always stays local except for hosts matched | |
139 | by these regular expressions." | |
140 | :type '(choice (const :tag "Always stay local" t) | |
141 | (const :tag "Don't stay local" nil) | |
142 | (list :format "\nExamine hostname and %v" :tag "Examine hostname ..." | |
143 | (set :format "%v" :inline t (const :format "%t" :tag "don't" except)) | |
144 | (regexp :format " stay local,\n%t: %v" :tag "if it matches") | |
145 | (repeat :format "%v%i\n" :inline t (regexp :tag "or")))) | |
146 | :version "21.4" | |
147 | :group 'vc) | |
148 | ||
149 | (defun vc-stay-local-p (file) | |
150 | "Return non-nil if VC should stay local when handling FILE. | |
151 | This uses the `repository-hostname' backend operation." | |
152 | (let* ((backend (vc-backend file)) | |
153 | (sym (vc-make-backend-sym backend 'stay-local)) | |
154 | (stay-local (if (boundp sym) (symbol-value sym) t))) | |
155 | (if (eq stay-local t) (setq stay-local vc-stay-local)) | |
156 | (if (symbolp stay-local) stay-local | |
157 | (let ((dirname (if (file-directory-p file) | |
158 | (directory-file-name file) | |
159 | (file-name-directory file)))) | |
160 | (eq 'yes | |
161 | (or (vc-file-getprop dirname 'vc-stay-local-p) | |
162 | (vc-file-setprop | |
163 | dirname 'vc-stay-local-p | |
164 | (let ((hostname (vc-call-backend | |
165 | backend 'repository-hostname dirname))) | |
166 | (if (not hostname) | |
167 | 'no | |
168 | (let ((default t)) | |
169 | (if (eq (car-safe stay-local) 'except) | |
170 | (setq default nil stay-local (cdr stay-local))) | |
171 | (when (consp stay-local) | |
172 | (setq stay-local | |
173 | (mapconcat 'identity stay-local "\\|"))) | |
174 | (if (if (string-match stay-local hostname) | |
175 | default (not default)) | |
176 | 'yes 'no))))))))))) | |
177 | ||
9bd06e95 | 178 | ;;; This is handled specially now. |
594722a8 | 179 | ;; Tell Emacs about this new kind of minor mode |
9bd06e95 | 180 | ;; (add-to-list 'minor-mode-alist '(vc-mode vc-mode)) |
594722a8 | 181 | |
7bc2b98b | 182 | (make-variable-buffer-local 'vc-mode) |
c43e436c | 183 | (put 'vc-mode 'permanent-local t) |
594722a8 | 184 | |
14fef9de SM |
185 | (defun vc-mode (&optional arg) |
186 | ;; Dummy function for C-h m | |
187 | "Version Control minor mode. | |
188 | This minor mode is automatically activated whenever you visit a file under | |
189 | control of one of the revision control systems in `vc-handled-backends'. | |
190 | VC commands are globally reachable under the prefix `\\[vc-prefix-map]': | |
191 | \\{vc-prefix-map}") | |
192 | ||
099bd78a | 193 | (defmacro vc-error-occurred (&rest body) |
becd6193 | 194 | `(condition-case nil (progn ,@body nil) (error t))) |
099bd78a | 195 | |
594722a8 | 196 | ;; We need a notion of per-file properties because the version |
f2ee4191 | 197 | ;; control state of a file is expensive to derive --- we compute |
0e0d9831 | 198 | ;; them when the file is initially found, keep them up to date |
f2ee4191 RS |
199 | ;; during any subsequent VC operations, and forget them when |
200 | ;; the buffer is killed. | |
594722a8 | 201 | |
becd6193 | 202 | (defvar vc-file-prop-obarray (make-vector 17 0) |
594722a8 ER |
203 | "Obarray for per-file properties.") |
204 | ||
099bd78a SM |
205 | (defvar vc-touched-properties nil) |
206 | ||
594722a8 | 207 | (defun vc-file-setprop (file property value) |
0e0d9831 | 208 | "Set per-file VC PROPERTY for FILE to VALUE." |
099bd78a SM |
209 | (if (and vc-touched-properties |
210 | (not (memq property vc-touched-properties))) | |
211 | (setq vc-touched-properties (append (list property) | |
212 | vc-touched-properties))) | |
594722a8 ER |
213 | (put (intern file vc-file-prop-obarray) property value)) |
214 | ||
215 | (defun vc-file-getprop (file property) | |
099bd78a | 216 | "Get per-file VC PROPERTY for FILE." |
594722a8 ER |
217 | (get (intern file vc-file-prop-obarray) property)) |
218 | ||
e1c0c2d1 | 219 | (defun vc-file-clearprops (file) |
0e0d9831 | 220 | "Clear all VC properties of FILE." |
e1c0c2d1 | 221 | (setplist (intern file vc-file-prop-obarray) nil)) |
f2ee4191 | 222 | |
0e0d9831 GM |
223 | \f |
224 | ;; We keep properties on each symbol naming a backend as follows: | |
225 | ;; * `vc-functions': an alist mapping vc-FUNCTION to vc-BACKEND-FUNCTION. | |
226 | ||
227 | (defun vc-make-backend-sym (backend sym) | |
228 | "Return BACKEND-specific version of VC symbol SYM." | |
229 | (intern (concat "vc-" (downcase (symbol-name backend)) | |
230 | "-" (symbol-name sym)))) | |
231 | ||
232 | (defun vc-find-backend-function (backend fun) | |
233 | "Return BACKEND-specific implementation of FUN. | |
f8b72742 | 234 | If there is no such implementation, return the default implementation; |
0e0d9831 GM |
235 | if that doesn't exist either, return nil." |
236 | (let ((f (vc-make-backend-sym backend fun))) | |
237 | (if (fboundp f) f | |
238 | ;; Load vc-BACKEND.el if needed. | |
239 | (require (intern (concat "vc-" (downcase (symbol-name backend))))) | |
240 | (if (fboundp f) f | |
241 | (let ((def (vc-make-backend-sym 'default fun))) | |
242 | (if (fboundp def) (cons def backend) nil)))))) | |
243 | ||
244 | (defun vc-call-backend (backend function-name &rest args) | |
245 | "Call for BACKEND the implementation of FUNCTION-NAME with the given ARGS. | |
246 | Calls | |
247 | ||
248 | (apply 'vc-BACKEND-FUN ARGS) | |
249 | ||
250 | if vc-BACKEND-FUN exists (after trying to find it in vc-BACKEND.el) | |
251 | and else calls | |
252 | ||
253 | (apply 'vc-default-FUN BACKEND ARGS) | |
254 | ||
255 | It is usually called via the `vc-call' macro." | |
0bfb74a9 SM |
256 | (let ((f (assoc function-name (get backend 'vc-functions)))) |
257 | (if f (setq f (cdr f)) | |
0e0d9831 | 258 | (setq f (vc-find-backend-function backend function-name)) |
0bfb74a9 SM |
259 | (push (cons function-name f) (get backend 'vc-functions))) |
260 | (cond | |
261 | ((null f) | |
262 | (error "Sorry, %s is not implemented for %s" function-name backend)) | |
263 | ((consp f) (apply (car f) (cdr f) args)) | |
264 | (t (apply f args))))) | |
0e0d9831 GM |
265 | |
266 | (defmacro vc-call (fun file &rest args) | |
267 | ;; BEWARE!! `file' is evaluated twice!! | |
268 | `(vc-call-backend (vc-backend ,file) ',fun ,file ,@args)) | |
0e0d9831 GM |
269 | \f |
270 | (defsubst vc-parse-buffer (pattern i) | |
271 | "Find PATTERN in the current buffer and return its Ith submatch." | |
272 | (goto-char (point-min)) | |
273 | (if (re-search-forward pattern nil t) | |
274 | (match-string i))) | |
e1c0c2d1 | 275 | |
02d383eb | 276 | (defun vc-insert-file (file &optional limit blocksize) |
0e0d9831 GM |
277 | "Insert the contents of FILE into the current buffer. |
278 | ||
279 | Optional argument LIMIT is a regexp. If present, the file is inserted | |
280 | in chunks of size BLOCKSIZE (default 8 kByte), until the first | |
f8b72742 | 281 | occurrence of LIMIT is found. Anything from the start of that occurrence |
e30140ce AS |
282 | to the end of the buffer is then deleted. The function returns |
283 | non-nil if FILE exists and its contents were successfully inserted." | |
07de4c3d | 284 | (erase-buffer) |
ff40374a AS |
285 | (when (file-exists-p file) |
286 | (if (not limit) | |
287 | (insert-file-contents file) | |
288 | (if (not blocksize) (setq blocksize 8192)) | |
4d2806e2 SM |
289 | (let ((filepos 0)) |
290 | (while | |
291 | (and (< 0 (cadr (insert-file-contents | |
292 | file nil filepos (incf filepos blocksize)))) | |
293 | (progn (beginning-of-line) | |
e30140ce AS |
294 | (let ((pos (re-search-forward limit nil 'move))) |
295 | (if pos (delete-region (match-beginning 0) | |
296 | (point-max))) | |
297 | (not pos))))))) | |
ff40374a AS |
298 | (set-buffer-modified-p nil) |
299 | t)) | |
02d383eb | 300 | |
14fef9de SM |
301 | ;; Access functions to file properties |
302 | ;; (Properties should be _set_ using vc-file-setprop, but | |
303 | ;; _retrieved_ only through these functions, which decide | |
304 | ;; if the property is already known or not. A property should | |
305 | ;; only be retrieved by vc-file-getprop if there is no | |
306 | ;; access function.) | |
02d383eb | 307 | |
14fef9de | 308 | ;; properties indicating the backend being used for FILE |
e1c0c2d1 | 309 | |
0e0d9831 GM |
310 | (defun vc-registered (file) |
311 | "Return non-nil if FILE is registered in a version control system. | |
312 | ||
1f22ad24 AS |
313 | This function performs the check each time it is called. To rely |
314 | on the result of a previous call, use `vc-backend' instead. If the | |
315 | file was previously registered under a certain backend, then that | |
316 | backend is tried first." | |
0e0d9831 GM |
317 | (let (handler) |
318 | (if (boundp 'file-name-handler-alist) | |
319 | (setq handler (find-file-name-handler file 'vc-registered))) | |
320 | (if handler | |
321 | ;; handler should set vc-backend and return t if registered | |
322 | (funcall handler 'vc-registered file) | |
323 | ;; There is no file name handler. | |
324 | ;; Try vc-BACKEND-registered for each handled BACKEND. | |
325 | (catch 'found | |
1f22ad24 AS |
326 | (let ((backend (vc-file-getprop file 'vc-backend))) |
327 | (mapcar | |
328 | (lambda (b) | |
329 | (and (vc-call-backend b 'registered file) | |
330 | (vc-file-setprop file 'vc-backend b) | |
331 | (throw 'found t))) | |
f8b72742 | 332 | (if (or (not backend) (eq backend 'none)) |
1f22ad24 AS |
333 | vc-handled-backends |
334 | (cons backend vc-handled-backends)))) | |
0e0d9831 GM |
335 | ;; File is not registered. |
336 | (vc-file-setprop file 'vc-backend 'none) | |
337 | nil)))) | |
338 | ||
339 | (defun vc-backend (file) | |
340 | "Return the version control type of FILE, nil if it is not registered." | |
341 | ;; `file' can be nil in several places (typically due to the use of | |
5232a436 | 342 | ;; code like (vc-backend buffer-file-name)). |
0e0d9831 GM |
343 | (when (stringp file) |
344 | (let ((property (vc-file-getprop file 'vc-backend))) | |
345 | ;; Note that internally, Emacs remembers unregistered | |
346 | ;; files by setting the property to `none'. | |
347 | (cond ((eq property 'none) nil) | |
348 | (property) | |
349 | ;; vc-registered sets the vc-backend property | |
350 | (t (if (vc-registered file) | |
351 | (vc-file-getprop file 'vc-backend) | |
352 | nil)))))) | |
353 | ||
354 | (defun vc-backend-subdirectory-name (file) | |
355 | "Return where the master and lock FILEs for the current directory are kept." | |
356 | (symbol-name (vc-backend file))) | |
e1c0c2d1 | 357 | |
02d383eb | 358 | (defun vc-name (file) |
5eb2b516 DL |
359 | "Return the master name of FILE. |
360 | If the file is not registered, or the master name is not known, return nil." | |
361 | ;; TODO: This should ultimately become obsolete, at least up here | |
0e0d9831 | 362 | ;; in vc-hooks. |
02d383eb | 363 | (or (vc-file-getprop file 'vc-name) |
64341022 AS |
364 | ;; force computation of the property by calling |
365 | ;; vc-BACKEND-registered explicitly | |
366 | (if (and (vc-backend file) | |
367 | (vc-call-backend (vc-backend file) 'registered file)) | |
8aa81ea8 | 368 | (vc-file-getprop file 'vc-name)))) |
e1c0c2d1 | 369 | |
04446ed0 | 370 | (defun vc-checkout-model (file) |
0e0d9831 GM |
371 | "Indicate how FILE is checked out. |
372 | ||
cb5af02a AS |
373 | If FILE is not registered, this function always returns nil. |
374 | For registered files, the possible values are: | |
0e0d9831 | 375 | |
cb5af02a | 376 | 'implicit FILE is always writeable, and checked out `implicitly' |
0e0d9831 GM |
377 | when the user saves the first changes to the file. |
378 | ||
cb5af02a | 379 | 'locking FILE is read-only if up-to-date; user must type |
db8afaee | 380 | \\[vc-next-action] before editing. Strict locking |
0e0d9831 GM |
381 | is assumed. |
382 | ||
cb5af02a | 383 | 'announce FILE is read-only if up-to-date; user must type |
db8afaee | 384 | \\[vc-next-action] before editing. But other users |
0e0d9831 GM |
385 | may be editing at the same time." |
386 | (or (vc-file-getprop file 'vc-checkout-model) | |
cb5af02a AS |
387 | (if (vc-backend file) |
388 | (vc-file-setprop file 'vc-checkout-model | |
389 | (vc-call checkout-model file))))) | |
7064821c | 390 | |
2a11c6f3 | 391 | (defun vc-user-login-name (&optional uid) |
0e0d9831 GM |
392 | "Return the name under which the user is logged in, as a string. |
393 | \(With optional argument UID, return the name of that user.) | |
394 | This function does the same as function `user-login-name', but unlike | |
395 | that, it never returns nil. If a UID cannot be resolved, that | |
396 | UID is returned as a string." | |
2a11c6f3 | 397 | (or (user-login-name uid) |
0e0d9831 GM |
398 | (number-to-string (or uid (user-uid))))) |
399 | ||
400 | (defun vc-state (file) | |
401 | "Return the version control state of FILE. | |
402 | ||
cb5af02a AS |
403 | If FILE is not registered, this function always returns nil. |
404 | For registered files, the value returned is one of: | |
0e0d9831 GM |
405 | |
406 | 'up-to-date The working file is unmodified with respect to the | |
407 | latest version on the current branch, and not locked. | |
408 | ||
409 | 'edited The working file has been edited by the user. If | |
410 | locking is used for the file, this state means that | |
411 | the current version is locked by the calling user. | |
412 | ||
413 | USER The current version of the working file is locked by | |
414 | some other USER (a string). | |
f8b72742 | 415 | |
0e0d9831 GM |
416 | 'needs-patch The file has not been edited by the user, but there is |
417 | a more recent version on the current branch stored | |
418 | in the master file. | |
419 | ||
420 | 'needs-merge The file has been edited by the user, and there is also | |
421 | a more recent version on the current branch stored in | |
422 | the master file. This state can only occur if locking | |
423 | is not used for the file. | |
424 | ||
425 | 'unlocked-changes The current version of the working file is not locked, | |
426 | but the working file has been changed with respect | |
427 | to that version. This state can only occur for files | |
428 | with locking; it represents an erroneous condition that | |
429 | should be resolved by the user (vc-next-action will | |
430 | prompt the user to do it)." | |
2a3897f5 SM |
431 | ;; FIXME: New (sub)states needed (?): |
432 | ;; - `added' (i.e. `edited' but with no base version yet, | |
433 | ;; typically represented by vc-workfile-version = "0") | |
434 | ;; - `conflict' (i.e. `edited' with conflict markers) | |
435 | ;; - `removed' | |
436 | ;; - `copied' and `moved' (might be handled by `removed' and `added') | |
0e0d9831 | 437 | (or (vc-file-getprop file 'vc-state) |
cb5af02a AS |
438 | (if (vc-backend file) |
439 | (vc-file-setprop file 'vc-state | |
440 | (vc-call state-heuristic file))))) | |
0e0d9831 GM |
441 | |
442 | (defsubst vc-up-to-date-p (file) | |
443 | "Convenience function that checks whether `vc-state' of FILE is `up-to-date'." | |
444 | (eq (vc-state file) 'up-to-date)) | |
445 | ||
446 | (defun vc-default-state-heuristic (backend file) | |
5eb2b516 DL |
447 | "Default implementation of vc-state-heuristic. |
448 | It simply calls the real state computation function `vc-BACKEND-state' | |
449 | and does not employ any heuristic at all." | |
0e0d9831 | 450 | (vc-call-backend backend 'state file)) |
1efcbf46 | 451 | |
e767004f AS |
452 | (defun vc-workfile-unchanged-p (file) |
453 | "Return non-nil if FILE has not changed since the last checkout." | |
454 | (let ((checkout-time (vc-file-getprop file 'vc-checkout-time)) | |
455 | (lastmod (nth 5 (file-attributes file)))) | |
456 | (if checkout-time | |
457 | (equal checkout-time lastmod) | |
458 | (let ((unchanged (vc-call workfile-unchanged-p file))) | |
459 | (vc-file-setprop file 'vc-checkout-time (if unchanged lastmod 0)) | |
460 | unchanged)))) | |
461 | ||
462 | (defun vc-default-workfile-unchanged-p (backend file) | |
463 | "Check if FILE is unchanged by diffing against the master version. | |
464 | Return non-nil if FILE is unchanged." | |
6b61353c KH |
465 | (zerop (condition-case err |
466 | ;; If the implementation supports it, let the output | |
467 | ;; go to *vc*, not *vc-diff*, since this is an internal call. | |
468 | (vc-call diff file nil nil "*vc*") | |
469 | (wrong-number-of-arguments | |
470 | ;; If this error came from the above call to vc-BACKEND-diff, | |
471 | ;; try again without the optional buffer argument (for | |
472 | ;; backward compatibility). Otherwise, resignal. | |
473 | (if (or (not (eq (cadr err) | |
474 | (indirect-function | |
475 | (vc-find-backend-function (vc-backend file) | |
476 | 'diff)))) | |
477 | (not (eq (caddr err) 5))) | |
478 | (signal wrong-number-of-arguments err) | |
479 | (vc-call diff file)))))) | |
e767004f | 480 | |
e1c0c2d1 | 481 | (defun vc-workfile-version (file) |
cb5af02a AS |
482 | "Return the version level of the current workfile FILE. |
483 | If FILE is not registered, this function always returns nil." | |
0e0d9831 | 484 | (or (vc-file-getprop file 'vc-workfile-version) |
cb5af02a AS |
485 | (if (vc-backend file) |
486 | (vc-file-setprop file 'vc-workfile-version | |
487 | (vc-call workfile-version file))))) | |
f2ee4191 | 488 | |
0e0d9831 GM |
489 | (defun vc-default-registered (backend file) |
490 | "Check if FILE is registered in BACKEND using vc-BACKEND-master-templates." | |
491 | (let ((sym (vc-make-backend-sym backend 'master-templates))) | |
492 | (unless (get backend 'vc-templates-grabbed) | |
493 | (put backend 'vc-templates-grabbed t) | |
494 | (set sym (append (delq nil | |
495 | (mapcar | |
496 | (lambda (template) | |
497 | (and (consp template) | |
498 | (eq (cdr template) backend) | |
499 | (car template))) | |
3756d481 AS |
500 | (with-no-warnings |
501 | vc-master-templates))) | |
0e0d9831 GM |
502 | (symbol-value sym)))) |
503 | (let ((result (vc-check-master-templates file (symbol-value sym)))) | |
504 | (if (stringp result) | |
505 | (vc-file-setprop file 'vc-name result) | |
506 | nil)))) ; Not registered | |
507 | ||
508 | (defun vc-possible-master (s dirname basename) | |
509 | (cond | |
510 | ((stringp s) (format s dirname basename)) | |
511 | ((functionp s) | |
512 | ;; The template is a function to invoke. If the | |
513 | ;; function returns non-nil, that means it has found a | |
514 | ;; master. For backward compatibility, we also handle | |
515 | ;; the case that the function throws a 'found atom | |
516 | ;; and a pair (cons MASTER-FILE BACKEND). | |
517 | (let ((result (catch 'found (funcall s dirname basename)))) | |
518 | (if (consp result) (car result) result))))) | |
519 | ||
520 | (defun vc-check-master-templates (file templates) | |
cb5af02a | 521 | "Return non-nil if there is a master corresponding to FILE. |
0e0d9831 GM |
522 | |
523 | TEMPLATES is a list of strings or functions. If an element is a | |
524 | string, it must be a control string as required by `format', with two | |
525 | string placeholders, such as \"%sRCS/%s,v\". The directory part of | |
526 | FILE is substituted for the first placeholder, the basename of FILE | |
527 | for the second. If a file with the resulting name exists, it is taken | |
528 | as the master of FILE, and returned. | |
529 | ||
530 | If an element of TEMPLATES is a function, it is called with the | |
531 | directory part and the basename of FILE as arguments. It should | |
532 | return non-nil if it finds a master; that value is then returned by | |
533 | this function." | |
534 | (let ((dirname (or (file-name-directory file) "")) | |
535 | (basename (file-name-nondirectory file))) | |
536 | (catch 'found | |
5eb2b516 | 537 | (mapcar |
0e0d9831 GM |
538 | (lambda (s) |
539 | (let ((trial (vc-possible-master s dirname basename))) | |
540 | (if (and trial (file-exists-p trial) | |
541 | ;; Make sure the file we found with name | |
542 | ;; TRIAL is not the source file itself. | |
543 | ;; That can happen with RCS-style names if | |
544 | ;; the file name is truncated (e.g. to 14 | |
545 | ;; chars). See if either directory or | |
546 | ;; attributes differ. | |
547 | (or (not (string= dirname | |
548 | (file-name-directory trial))) | |
549 | (not (equal (file-attributes file) | |
550 | (file-attributes trial))))) | |
551 | (throw 'found trial)))) | |
552 | templates)))) | |
f2ee4191 | 553 | |
c844616c | 554 | (defun vc-toggle-read-only (&optional verbose) |
c43e436c | 555 | "Change read-only status of current buffer, perhaps via version control. |
db8afaee | 556 | |
c43e436c RS |
557 | If the buffer is visiting a file registered with version control, |
558 | then check the file in or out. Otherwise, just change the read-only flag | |
ec44193a KH |
559 | of the buffer. |
560 | With prefix argument, ask for version number to check in or check out. | |
561 | Check-out of a specified version number does not lock the file; | |
db8afaee AS |
562 | to do that, use this command a second time with no argument. |
563 | ||
564 | If you bind this function to \\[toggle-read-only], then Emacs checks files | |
565 | in or out whenever you toggle the read-only flag." | |
c844616c | 566 | (interactive "P") |
702220f3 | 567 | (if (or (and (boundp 'vc-dired-mode) vc-dired-mode) |
0e0d9831 | 568 | ;; use boundp because vc.el might not be loaded |
5232a436 | 569 | (vc-backend buffer-file-name)) |
c844616c | 570 | (vc-next-action verbose) |
594722a8 ER |
571 | (toggle-read-only))) |
572 | ||
e896a9e1 | 573 | (defun vc-default-make-version-backups-p (backend file) |
cb5af02a | 574 | "Return non-nil if unmodified versions should be backed up locally. |
9aa10a43 | 575 | The default is to switch off this feature." |
d445a975 AS |
576 | nil) |
577 | ||
e896a9e1 AS |
578 | (defun vc-version-backup-file-name (file &optional rev manual regexp) |
579 | "Return a backup file name for REV or the current version of FILE. | |
580 | If MANUAL is non-nil it means that a name for backups created by | |
581 | the user should be returned; if REGEXP is non-nil that means to return | |
582 | a regexp for matching all such backup files, regardless of the version." | |
e3f955b6 AS |
583 | (if regexp |
584 | (concat (regexp-quote (file-name-nondirectory file)) | |
585 | "\\.~[0-9.]+" (unless manual "\\.") "~") | |
f8b72742 JB |
586 | (expand-file-name (concat (file-name-nondirectory file) |
587 | ".~" (or rev (vc-workfile-version file)) | |
e3f955b6 AS |
588 | (unless manual ".") "~") |
589 | (file-name-directory file)))) | |
e896a9e1 AS |
590 | |
591 | (defun vc-delete-automatic-version-backups (file) | |
592 | "Delete all existing automatic version backups for FILE." | |
d455f4f7 SM |
593 | (condition-case nil |
594 | (mapcar | |
595 | 'delete-file | |
79e954d0 | 596 | (directory-files (or (file-name-directory file) default-directory) t |
d455f4f7 SM |
597 | (vc-version-backup-file-name file nil nil t))) |
598 | ;; Don't fail when the directory doesn't exist. | |
599 | (file-error nil))) | |
e896a9e1 AS |
600 | |
601 | (defun vc-make-version-backup (file) | |
602 | "Make a backup copy of FILE, which is assumed in sync with the repository. | |
603 | Before doing that, check if there are any old backups and get rid of them." | |
48b15d3f | 604 | (unless (and (fboundp 'msdos-long-file-names) |
6b61353c | 605 | (not (with-no-warnings (msdos-long-file-names)))) |
48b15d3f AS |
606 | (vc-delete-automatic-version-backups file) |
607 | (copy-file file (vc-version-backup-file-name file) | |
608 | nil 'keep-date))) | |
d445a975 AS |
609 | |
610 | (defun vc-before-save () | |
611 | "Function to be called by `basic-save-buffer' (in files.el)." | |
612 | ;; If the file on disk is still in sync with the repository, | |
613 | ;; and version backups should be made, copy the file to | |
614 | ;; another name. This enables local diffs and local reverting. | |
5232a436 | 615 | (let ((file buffer-file-name)) |
d445a975 AS |
616 | (and (vc-backend file) |
617 | (vc-up-to-date-p file) | |
618 | (eq (vc-checkout-model file) 'implicit) | |
e896a9e1 AS |
619 | (vc-call make-version-backups-p file) |
620 | (vc-make-version-backup file)))) | |
d445a975 | 621 | |
e66eac08 | 622 | (defun vc-after-save () |
0e0d9831 | 623 | "Function to be called by `basic-save-buffer' (in files.el)." |
5eb2b516 | 624 | ;; If the file in the current buffer is under version control, |
0e0d9831 GM |
625 | ;; up-to-date, and locking is not used for the file, set |
626 | ;; the state to 'edited and redisplay the mode line. | |
5232a436 | 627 | (let ((file buffer-file-name)) |
8aa81ea8 | 628 | (and (vc-backend file) |
b23a2306 AS |
629 | (or (and (equal (vc-file-getprop file 'vc-checkout-time) |
630 | (nth 5 (file-attributes file))) | |
631 | ;; File has been saved in the same second in which | |
632 | ;; it was checked out. Clear the checkout-time | |
633 | ;; to avoid confusion. | |
634 | (vc-file-setprop file 'vc-checkout-time nil)) | |
635 | t) | |
0e0d9831 GM |
636 | (vc-up-to-date-p file) |
637 | (eq (vc-checkout-model file) 'implicit) | |
638 | (vc-file-setprop file 'vc-state 'edited) | |
639 | (vc-mode-line file) | |
099bd78a SM |
640 | (if (featurep 'vc) |
641 | ;; If VC is not loaded, then there can't be | |
642 | ;; any VC Dired buffer to synchronize. | |
643 | (vc-dired-resynch-file file))))) | |
04446ed0 | 644 | |
0e0d9831 | 645 | (defun vc-mode-line (file) |
7bc2b98b | 646 | "Set `vc-mode' to display type of version control for FILE. |
594722a8 | 647 | The value is set in the current buffer, which should be the buffer |
0e0d9831 | 648 | visiting FILE." |
67c6f446 | 649 | (interactive (list buffer-file-name)) |
5232a436 SM |
650 | (let ((backend (vc-backend file))) |
651 | (if (not backend) | |
652 | (setq vc-mode nil) | |
653 | (setq vc-mode (concat " " (if vc-display-status | |
654 | (vc-call mode-line-string file) | |
655 | (symbol-name backend)))) | |
656 | ;; If the file is locked by some other user, make | |
657 | ;; the buffer read-only. Like this, even root | |
658 | ;; cannot modify a file that someone else has locked. | |
659 | (and (equal file buffer-file-name) | |
660 | (stringp (vc-state file)) | |
661 | (setq buffer-read-only t)) | |
662 | ;; If the user is root, and the file is not owner-writable, | |
663 | ;; then pretend that we can't write it | |
664 | ;; even though we can (because root can write anything). | |
2a3897f5 SM |
665 | ;; This way, even root cannot modify a file that isn't locked. |
666 | (and (equal file buffer-file-name) | |
667 | (not buffer-read-only) | |
5232a436 SM |
668 | (zerop (user-real-uid)) |
669 | (zerop (logand (file-modes buffer-file-name) 128)) | |
670 | (setq buffer-read-only t))) | |
671 | (force-mode-line-update) | |
672 | backend)) | |
0e0d9831 GM |
673 | |
674 | (defun vc-default-mode-line-string (backend file) | |
675 | "Return string for placement in modeline by `vc-mode-line' for FILE. | |
676 | Format: | |
677 | ||
678 | \"BACKEND-REV\" if the file is up-to-date | |
679 | \"BACKEND:REV\" if the file is edited (or locked by the calling user) | |
680 | \"BACKEND:LOCKER:REV\" if the file is locked by somebody else | |
0e0d9831 GM |
681 | |
682 | This function assumes that the file is registered." | |
683 | (setq backend (symbol-name backend)) | |
684 | (let ((state (vc-state file)) | |
685 | (rev (vc-workfile-version file))) | |
099bd78a | 686 | (cond ((or (eq state 'up-to-date) |
0e0d9831 GM |
687 | (eq state 'needs-patch)) |
688 | (concat backend "-" rev)) | |
689 | ((stringp state) | |
690 | (concat backend ":" state ":" rev)) | |
691 | (t | |
692 | ;; Not just for the 'edited state, but also a fallback | |
693 | ;; for all other states. Think about different symbols | |
694 | ;; for 'needs-patch and 'needs-merge. | |
695 | (concat backend ":" rev))))) | |
f2ee4191 | 696 | |
a3a39848 | 697 | (defun vc-follow-link () |
0e0d9831 GM |
698 | "If current buffer visits a symbolic link, visit the real file. |
699 | If the real file is already visited in another buffer, make that buffer | |
700 | current, and kill the buffer that visits the link." | |
566f2169 | 701 | (let* ((truename (abbreviate-file-name (file-chase-links buffer-file-name))) |
e7f5ddc2 RS |
702 | (true-buffer (find-buffer-visiting truename)) |
703 | (this-buffer (current-buffer))) | |
704 | (if (eq true-buffer this-buffer) | |
705 | (progn | |
d8221951 | 706 | (kill-buffer this-buffer) |
e7f5ddc2 RS |
707 | ;; In principle, we could do something like set-visited-file-name. |
708 | ;; However, it can't be exactly the same as set-visited-file-name. | |
709 | ;; I'm not going to work out the details right now. -- rms. | |
d8221951 | 710 | (set-buffer (find-file-noselect truename))) |
e7f5ddc2 RS |
711 | (set-buffer true-buffer) |
712 | (kill-buffer this-buffer)))) | |
a3a39848 | 713 | |
6b61353c KH |
714 | (defun vc-default-find-file-hook (backend) |
715 | nil) | |
716 | ||
594722a8 | 717 | (defun vc-find-file-hook () |
be4d6a6f | 718 | "Function for `find-file-hook' activating VC mode if appropriate." |
18c8a18e PE |
719 | ;; Recompute whether file is version controlled, |
720 | ;; if user has killed the buffer and revisited. | |
060a1456 AS |
721 | (if vc-mode |
722 | (setq vc-mode nil)) | |
0e0d9831 | 723 | (when buffer-file-name |
f2ee4191 RS |
724 | (vc-file-clearprops buffer-file-name) |
725 | (cond | |
e1c0c2d1 | 726 | ((vc-backend buffer-file-name) |
0bfb74a9 | 727 | ;; Compute the state and put it in the modeline. |
f2ee4191 | 728 | (vc-mode-line buffer-file-name) |
0bfb74a9 SM |
729 | (unless vc-make-backup-files |
730 | ;; Use this variable, not make-backup-files, | |
731 | ;; because this is for things that depend on the file name. | |
6b61353c KH |
732 | (set (make-local-variable 'backup-inhibited) t)) |
733 | ;; Let the backend setup any buffer-local things he needs. | |
734 | (vc-call-backend (vc-backend buffer-file-name) 'find-file-hook)) | |
45fc7cc3 | 735 | ((let* ((link (file-symlink-p buffer-file-name)) |
227d2bed | 736 | (link-type (and link (vc-backend (file-chase-links link))))) |
0bfb74a9 SM |
737 | (cond ((not link-type) nil) ;Nothing to do. |
738 | ((eq vc-follow-symlinks nil) | |
739 | (message | |
b8063212 | 740 | "Warning: symbolic link to %s-controlled source file" link-type)) |
0bfb74a9 SM |
741 | ((or (not (eq vc-follow-symlinks 'ask)) |
742 | ;; If we already visited this file by following | |
743 | ;; the link, don't ask again if we try to visit | |
744 | ;; it again. GUD does that, and repeated questions | |
745 | ;; are painful. | |
746 | (get-file-buffer | |
747 | (abbreviate-file-name | |
748 | (file-chase-links buffer-file-name)))) | |
749 | ||
750 | (vc-follow-link) | |
751 | (message "Followed link to %s" buffer-file-name) | |
752 | (vc-find-file-hook)) | |
753 | (t | |
754 | (if (yes-or-no-p (format | |
b8063212 | 755 | "Symbolic link to %s-controlled source file; follow link? " link-type)) |
0bfb74a9 SM |
756 | (progn (vc-follow-link) |
757 | (message "Followed link to %s" buffer-file-name) | |
758 | (vc-find-file-hook)) | |
759 | (message | |
b8063212 | 760 | "Warning: editing through the link bypasses version control") |
0bfb74a9 | 761 | )))))))) |
594722a8 | 762 | |
be4d6a6f | 763 | (add-hook 'find-file-hook 'vc-find-file-hook) |
594722a8 | 764 | |
14fef9de | 765 | ;; more hooks, this time for file-not-found |
594722a8 | 766 | (defun vc-file-not-found-hook () |
0e0d9831 GM |
767 | "When file is not found, try to check it out from version control. |
768 | Returns t if checkout was successful, nil otherwise. | |
d3d558a9 | 769 | Used in `find-file-not-found-functions'." |
5f42a1d4 RS |
770 | ;; When a file does not exist, ignore cached info about it |
771 | ;; from a previous visit. | |
772 | (vc-file-clearprops buffer-file-name) | |
6b61353c KH |
773 | (let ((backend (vc-backend buffer-file-name))) |
774 | (if backend (vc-call-backend backend 'find-file-not-found-hook)))) | |
775 | ||
776 | (defun vc-default-find-file-not-found-hook (backend) | |
777 | (if (yes-or-no-p | |
778 | (format "File %s was lost; check out from version control? " | |
779 | (file-name-nondirectory buffer-file-name))) | |
780 | (save-excursion | |
781 | (require 'vc) | |
782 | (setq default-directory (file-name-directory buffer-file-name)) | |
783 | (not (vc-error-occurred (vc-checkout buffer-file-name)))))) | |
594722a8 | 784 | |
3756d481 | 785 | (add-hook 'find-file-not-found-functions 'vc-file-not-found-hook) |
594722a8 | 786 | |
f2ee4191 | 787 | (defun vc-kill-buffer-hook () |
0e0d9831 | 788 | "Discard VC info about a file when we kill its buffer." |
5232a436 SM |
789 | (if buffer-file-name |
790 | (vc-file-clearprops buffer-file-name))) | |
f2ee4191 | 791 | |
cd32d5d1 | 792 | (add-hook 'kill-buffer-hook 'vc-kill-buffer-hook) |
f2ee4191 | 793 | |
14fef9de SM |
794 | ;; Now arrange for (autoloaded) bindings of the main package. |
795 | ;; Bindings for this have to go in the global map, as we'll often | |
796 | ;; want to call them from random buffers. | |
797 | ||
798 | ;; Autoloading works fine, but it prevents shortcuts from appearing | |
799 | ;; in the menu because they don't exist yet when the menu is built. | |
800 | ;; (autoload 'vc-prefix-map "vc" nil nil 'keymap) | |
801 | (defvar vc-prefix-map | |
802 | (let ((map (make-sparse-keymap))) | |
803 | (define-key map "a" 'vc-update-change-log) | |
804 | (define-key map "b" 'vc-switch-backend) | |
805 | (define-key map "c" 'vc-cancel-version) | |
806 | (define-key map "d" 'vc-directory) | |
807 | (define-key map "g" 'vc-annotate) | |
808 | (define-key map "h" 'vc-insert-headers) | |
809 | (define-key map "i" 'vc-register) | |
810 | (define-key map "l" 'vc-print-log) | |
811 | (define-key map "m" 'vc-merge) | |
812 | (define-key map "r" 'vc-retrieve-snapshot) | |
813 | (define-key map "s" 'vc-create-snapshot) | |
814 | (define-key map "u" 'vc-revert-buffer) | |
815 | (define-key map "v" 'vc-next-action) | |
816 | (define-key map "=" 'vc-diff) | |
817 | (define-key map "~" 'vc-version-other-window) | |
818 | map)) | |
819 | (fset 'vc-prefix-map vc-prefix-map) | |
0e0d9831 | 820 | (define-key global-map "\C-xv" 'vc-prefix-map) |
624c0e9d | 821 | |
b662fbb8 RM |
822 | (if (not (boundp 'vc-menu-map)) |
823 | ;; Don't do the menu bindings if menu-bar.el wasn't loaded to defvar | |
824 | ;; vc-menu-map. | |
825 | () | |
826 | ;;(define-key vc-menu-map [show-files] | |
827 | ;; '("Show Files under VC" . (vc-directory t))) | |
9bef02e1 RS |
828 | (define-key vc-menu-map [vc-retrieve-snapshot] |
829 | '("Retrieve Snapshot" . vc-retrieve-snapshot)) | |
830 | (define-key vc-menu-map [vc-create-snapshot] | |
831 | '("Create Snapshot" . vc-create-snapshot)) | |
b64ea387 | 832 | (define-key vc-menu-map [vc-directory] '("VC Directory Listing" . vc-directory)) |
b662fbb8 | 833 | (define-key vc-menu-map [separator1] '("----")) |
14aa11f4 | 834 | (define-key vc-menu-map [vc-annotate] '("Annotate" . vc-annotate)) |
b662fbb8 RM |
835 | (define-key vc-menu-map [vc-rename-file] '("Rename File" . vc-rename-file)) |
836 | (define-key vc-menu-map [vc-version-other-window] | |
837 | '("Show Other Version" . vc-version-other-window)) | |
c1cd70af | 838 | (define-key vc-menu-map [vc-diff] '("Compare with Base Version" . vc-diff)) |
b662fbb8 RM |
839 | (define-key vc-menu-map [vc-update-change-log] |
840 | '("Update ChangeLog" . vc-update-change-log)) | |
841 | (define-key vc-menu-map [vc-print-log] '("Show History" . vc-print-log)) | |
842 | (define-key vc-menu-map [separator2] '("----")) | |
b662fbb8 RM |
843 | (define-key vc-menu-map [vc-insert-header] |
844 | '("Insert Header" . vc-insert-headers)) | |
c1cd70af AS |
845 | (define-key vc-menu-map [undo] '("Undo Last Check-In" . vc-cancel-version)) |
846 | (define-key vc-menu-map [vc-revert-buffer] | |
847 | '("Revert to Base Version" . vc-revert-buffer)) | |
848 | (define-key vc-menu-map [vc-update] | |
849 | '("Update to Latest Version" . vc-update)) | |
9314395d | 850 | (define-key vc-menu-map [vc-next-action] '("Check In/Out" . vc-next-action)) |
738efc8e KH |
851 | (define-key vc-menu-map [vc-register] '("Register" . vc-register))) |
852 | ||
14fef9de SM |
853 | ;; These are not correct and it's not currently clear how doing it |
854 | ;; better (with more complicated expressions) might slow things down | |
855 | ;; on older systems. | |
856 | ||
857 | ;;(put 'vc-rename-file 'menu-enable 'vc-mode) | |
858 | ;;(put 'vc-annotate 'menu-enable '(eq (vc-buffer-backend) 'CVS)) | |
859 | ;;(put 'vc-version-other-window 'menu-enable 'vc-mode) | |
860 | ;;(put 'vc-diff 'menu-enable 'vc-mode) | |
861 | ;;(put 'vc-update-change-log 'menu-enable | |
862 | ;; '(member (vc-buffer-backend) '(RCS CVS))) | |
863 | ;;(put 'vc-print-log 'menu-enable 'vc-mode) | |
864 | ;;(put 'vc-cancel-version 'menu-enable 'vc-mode) | |
865 | ;;(put 'vc-revert-buffer 'menu-enable 'vc-mode) | |
866 | ;;(put 'vc-insert-headers 'menu-enable 'vc-mode) | |
867 | ;;(put 'vc-next-action 'menu-enable 'vc-mode) | |
868 | ;;(put 'vc-register 'menu-enable '(and buffer-file-name (not vc-mode))) | |
594722a8 | 869 | |
594722a8 ER |
870 | (provide 'vc-hooks) |
871 | ||
6b61353c | 872 | ;;; arch-tag: 2e5a6fa7-1d30-48e2-8bd0-e3d335f04f32 |
594722a8 | 873 | ;;; vc-hooks.el ends here |