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c1b25099 GM |
1 | ;;; vc-cvs.el --- non-resident support for CVS version-control |
2 | ||
e54faddb | 3 | ;; Copyright (C) 1995,98,99,2000,2001,02,2003 Free Software Foundation, Inc. |
c1b25099 GM |
4 | |
5 | ;; Author: FSF (see vc.el for full credits) | |
6 | ;; Maintainer: Andre Spiegel <spiegel@gnu.org> | |
7 | ||
6b61353c | 8 | ;; $Id: vc-cvs.el,v 1.67 2004/01/20 17:41:18 uid65624 Exp $ |
c1b25099 GM |
9 | |
10 | ;; This file is part of GNU Emacs. | |
11 | ||
12 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
14 | ;; the Free Software Foundation; either version 2, or (at your option) | |
15 | ;; any later version. | |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
24 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
25 | ;; Boston, MA 02111-1307, USA. | |
26 | ||
27 | ;;; Commentary: | |
28 | ||
29 | ;;; Code: | |
30 | ||
ed5d446e | 31 | (eval-when-compile |
54be33bc | 32 | (require 'vc)) |
89e65817 | 33 | |
9b0630e5 | 34 | ;;; |
8f98485f AS |
35 | ;;; Customization options |
36 | ;;; | |
37 | ||
bbce0417 AS |
38 | (defcustom vc-cvs-global-switches nil |
39 | "*Global switches to pass to any CVS command." | |
40 | :type '(choice (const :tag "None" nil) | |
41 | (string :tag "Argument String") | |
42 | (repeat :tag "Argument List" | |
43 | :value ("") | |
44 | string)) | |
89e7ad59 | 45 | :version "21.4" |
bbce0417 AS |
46 | :group 'vc) |
47 | ||
c1b25099 GM |
48 | (defcustom vc-cvs-register-switches nil |
49 | "*Extra switches for registering a file into CVS. | |
50 | A string or list of strings passed to the checkin program by | |
51 | \\[vc-register]." | |
52 | :type '(choice (const :tag "None" nil) | |
53 | (string :tag "Argument String") | |
54 | (repeat :tag "Argument List" | |
55 | :value ("") | |
56 | string)) | |
0d685c4f | 57 | :version "21.1" |
c1b25099 GM |
58 | :group 'vc) |
59 | ||
633147f5 AS |
60 | (defcustom vc-cvs-diff-switches nil |
61 | "*A string or list of strings specifying extra switches for cvs diff under VC." | |
62 | :type '(choice (const :tag "None" nil) | |
63 | (string :tag "Argument String") | |
64 | (repeat :tag "Argument List" | |
65 | :value ("") | |
66 | string)) | |
67 | :version "21.1" | |
68 | :group 'vc) | |
69 | ||
c1b25099 GM |
70 | (defcustom vc-cvs-header (or (cdr (assoc 'CVS vc-header-alist)) '("\$Id\$")) |
71 | "*Header keywords to be inserted by `vc-insert-headers'." | |
0d685c4f | 72 | :version "21.1" |
ee3275df | 73 | :type '(repeat string) |
c1b25099 GM |
74 | :group 'vc) |
75 | ||
76 | (defcustom vc-cvs-use-edit t | |
77 | "*Non-nil means to use `cvs edit' to \"check out\" a file. | |
78 | This is only meaningful if you don't use the implicit checkout model | |
79 | \(i.e. if you have $CVSREAD set)." | |
80 | :type 'boolean | |
0d685c4f | 81 | :version "21.1" |
c1b25099 GM |
82 | :group 'vc) |
83 | ||
f354c160 | 84 | (defcustom vc-cvs-stay-local t |
0d685c4f | 85 | "*Non-nil means use local operations when possible for remote repositories. |
c6a84d17 SM |
86 | This avoids slow queries over the network and instead uses heuristics |
87 | and past information to determine the current status of a file. | |
f354c160 | 88 | |
d3ed06c6 AS |
89 | The value can also be a regular expression or list of regular |
90 | expressions to match against the host name of a repository; then VC | |
f354c160 AS |
91 | only stays local for hosts that match it. Alternatively, the value |
92 | can be a list of regular expressions where the first element is the | |
93 | symbol `except'; then VC always stays local except for hosts matched | |
94 | by these regular expressions." | |
c1b25099 | 95 | :type '(choice (const :tag "Always stay local" t) |
d3ed06c6 AS |
96 | (const :tag "Don't stay local" nil) |
97 | (list :format "\nExamine hostname and %v" :tag "Examine hostname ..." | |
98 | (set :format "%v" :inline t (const :format "%t" :tag "don't" except)) | |
99 | (regexp :format " stay local,\n%t: %v" :tag "if it matches") | |
100 | (repeat :format "%v%i\n" :inline t (regexp :tag "or")))) | |
0d685c4f | 101 | :version "21.1" |
c1b25099 GM |
102 | :group 'vc) |
103 | ||
51af12fc AS |
104 | (defcustom vc-cvs-sticky-date-format-string "%c" |
105 | "*Format string for mode-line display of sticky date. | |
106 | Format is according to `format-time-string'. Only used if | |
107 | `vc-cvs-sticky-tag-display' is t." | |
108 | :type '(string) | |
89e7ad59 | 109 | :version "21.4" |
51af12fc AS |
110 | :group 'vc) |
111 | ||
112 | (defcustom vc-cvs-sticky-tag-display t | |
113 | "*Specify the mode-line display of sticky tags. | |
114 | Value t means default display, nil means no display at all. If the | |
115 | value is a function or macro, it is called with the sticky tag and | |
116 | its' type as parameters, in that order. TYPE can have three different | |
117 | values: `symbolic-name' (TAG is a string), `revision-number' (TAG is a | |
118 | string) and `date' (TAG is a date as returned by `encode-time'). The | |
119 | return value of the function or macro will be displayed as a string. | |
120 | ||
121 | Here's an example that will display the formatted date for sticky | |
122 | dates and the word \"Sticky\" for sticky tag names and revisions. | |
123 | ||
124 | (lambda (tag type) | |
968b980c | 125 | (cond ((eq type 'date) (format-time-string |
51af12fc AS |
126 | vc-cvs-sticky-date-format-string tag)) |
127 | ((eq type 'revision-number) \"Sticky\") | |
128 | ((eq type 'symbolic-name) \"Sticky\"))) | |
129 | ||
130 | Here's an example that will abbreviate to the first character only, | |
aa4af071 | 131 | any text before the first occurrence of `-' for sticky symbolic tags. |
51af12fc AS |
132 | If the sticky tag is a revision number, the word \"Sticky\" is |
133 | displayed. Date and time is displayed for sticky dates. | |
134 | ||
135 | (lambda (tag type) | |
136 | (cond ((eq type 'date) (format-time-string \"%Y%m%d %H:%M\" tag)) | |
137 | ((eq type 'revision-number) \"Sticky\") | |
968b980c | 138 | ((eq type 'symbolic-name) |
51af12fc AS |
139 | (condition-case nil |
140 | (progn | |
141 | (string-match \"\\\\([^-]*\\\\)\\\\(.*\\\\)\" tag) | |
968b980c | 142 | (concat (substring (match-string 1 tag) 0 1) \":\" |
51af12fc AS |
143 | (substring (match-string 2 tag) 1 nil))) |
144 | (error tag))))) ; Fall-back to given tag name. | |
145 | ||
146 | See also variable `vc-cvs-sticky-date-format-string'." | |
147 | :type '(choice boolean function) | |
89e7ad59 | 148 | :version "21.4" |
51af12fc | 149 | :group 'vc) |
9b0630e5 | 150 | |
8f98485f AS |
151 | ;;; |
152 | ;;; Internal variables | |
153 | ;;; | |
154 | ||
155 | (defvar vc-cvs-local-month-numbers | |
156 | '(("Jan" . 1) ("Feb" . 2) ("Mar" . 3) ("Apr" . 4) | |
157 | ("May" . 5) ("Jun" . 6) ("Jul" . 7) ("Aug" . 8) | |
158 | ("Sep" . 9) ("Oct" . 10) ("Nov" . 11) ("Dec" . 12)) | |
159 | "Local association list of month numbers.") | |
160 | ||
9b0630e5 | 161 | |
8f98485f | 162 | ;;; |
9b0630e5 | 163 | ;;; State-querying functions |
8f98485f AS |
164 | ;;; |
165 | ||
c1b25099 GM |
166 | ;;;###autoload (defun vc-cvs-registered (f) |
167 | ;;;###autoload (when (file-readable-p (expand-file-name | |
168 | ;;;###autoload "CVS/Entries" (file-name-directory f))) | |
cfb0dbdc | 169 | ;;;###autoload (load "vc-cvs") |
c1b25099 GM |
170 | ;;;###autoload (vc-cvs-registered f))) |
171 | ||
172 | (defun vc-cvs-registered (file) | |
173 | "Check if FILE is CVS registered." | |
174 | (let ((dirname (or (file-name-directory file) "")) | |
175 | (basename (file-name-nondirectory file)) | |
176 | ;; make sure that the file name is searched case-sensitively | |
177 | (case-fold-search nil)) | |
178 | (if (file-readable-p (expand-file-name "CVS/Entries" dirname)) | |
179 | (with-temp-buffer | |
666721a6 | 180 | (vc-cvs-get-entries dirname) |
c1b25099 | 181 | (goto-char (point-min)) |
0d685c4f DL |
182 | (cond |
183 | ((re-search-forward | |
839dacca SM |
184 | ;; CVS-removed files are not taken under VC control. |
185 | (concat "^/" (regexp-quote basename) "/[^/-]") nil t) | |
c1b25099 GM |
186 | (beginning-of-line) |
187 | (vc-cvs-parse-entry file) | |
188 | t) | |
189 | (t nil))) | |
190 | nil))) | |
191 | ||
c1b25099 GM |
192 | (defun vc-cvs-state (file) |
193 | "CVS-specific version of `vc-state'." | |
e54faddb | 194 | (if (vc-stay-local-p file) |
c1b25099 GM |
195 | (let ((state (vc-file-getprop file 'vc-state))) |
196 | ;; If we should stay local, use the heuristic but only if | |
197 | ;; we don't have a more precise state already available. | |
198 | (if (memq state '(up-to-date edited)) | |
199 | (vc-cvs-state-heuristic file) | |
200 | state)) | |
201 | (with-temp-buffer | |
202 | (cd (file-name-directory file)) | |
bbce0417 | 203 | (vc-cvs-command t 0 file "status") |
c1b25099 GM |
204 | (vc-cvs-parse-status t)))) |
205 | ||
206 | (defun vc-cvs-state-heuristic (file) | |
207 | "CVS-specific state heuristic." | |
208 | ;; If the file has not changed since checkout, consider it `up-to-date'. | |
209 | ;; Otherwise consider it `edited'. | |
210 | (let ((checkout-time (vc-file-getprop file 'vc-checkout-time)) | |
211 | (lastmod (nth 5 (file-attributes file)))) | |
212 | (if (equal checkout-time lastmod) | |
213 | 'up-to-date | |
214 | 'edited))) | |
215 | ||
8f98485f AS |
216 | (defun vc-cvs-dir-state (dir) |
217 | "Find the CVS state of all files in DIR." | |
d3ee404f SM |
218 | ;; if DIR is not under CVS control, don't do anything. |
219 | (when (file-readable-p (expand-file-name "CVS/Entries" dir)) | |
e54faddb | 220 | (if (vc-stay-local-p dir) |
d3ee404f SM |
221 | (vc-cvs-dir-state-heuristic dir) |
222 | (let ((default-directory dir)) | |
223 | ;; Don't specify DIR in this command, the default-directory is | |
224 | ;; enough. Otherwise it might fail with remote repositories. | |
225 | (with-temp-buffer | |
226 | (vc-cvs-command t 0 nil "status" "-l") | |
227 | (goto-char (point-min)) | |
228 | (while (re-search-forward "^=+\n\\([^=\n].*\n\\|\n\\)+" nil t) | |
229 | (narrow-to-region (match-beginning 0) (match-end 0)) | |
230 | (vc-cvs-parse-status) | |
231 | (goto-char (point-max)) | |
232 | (widen))))))) | |
8f98485f AS |
233 | |
234 | (defun vc-cvs-workfile-version (file) | |
235 | "CVS-specific version of `vc-workfile-version'." | |
236 | ;; There is no need to consult RCS headers under CVS, because we | |
237 | ;; get the workfile version for free when we recognize that a file | |
238 | ;; is registered in CVS. | |
239 | (vc-cvs-registered file) | |
240 | (vc-file-getprop file 'vc-workfile-version)) | |
241 | ||
8f98485f AS |
242 | (defun vc-cvs-checkout-model (file) |
243 | "CVS-specific version of `vc-checkout-model'." | |
244 | (if (or (getenv "CVSREAD") | |
245 | ;; If the file is not writable (despite CVSREAD being | |
246 | ;; undefined), this is probably because the file is being | |
247 | ;; "watched" by other developers. | |
248 | ;; (If vc-mistrust-permissions was t, we actually shouldn't | |
249 | ;; trust this, but there is no other way to learn this from CVS | |
250 | ;; at the moment (version 1.9).) | |
251 | (string-match "r-..-..-." (nth 8 (file-attributes file)))) | |
252 | 'announce | |
253 | 'implicit)) | |
254 | ||
099bd78a SM |
255 | (defun vc-cvs-mode-line-string (file) |
256 | "Return string for placement into the modeline for FILE. | |
51af12fc AS |
257 | Compared to the default implementation, this function does two things: |
258 | Handle the special case of a CVS file that is added but not yet | |
259 | committed and support display of sticky tags." | |
a0688443 SM |
260 | (let ((sticky-tag (vc-file-getprop file 'vc-cvs-sticky-tag)) |
261 | (string (if (string= (vc-workfile-version file) "0") | |
262 | ;; A file that is added but not yet committed. | |
263 | "CVS @@" | |
264 | (vc-default-mode-line-string 'CVS file)))) | |
265 | (if (zerop (length sticky-tag)) | |
266 | string | |
267 | (concat string "[" sticky-tag "]")))) | |
099bd78a | 268 | |
8f98485f AS |
269 | (defun vc-cvs-dired-state-info (file) |
270 | "CVS-specific version of `vc-dired-state-info'." | |
78376474 SM |
271 | (let ((cvs-state (vc-state file))) |
272 | (cond ((eq cvs-state 'edited) | |
cc47c6c1 | 273 | (if (equal (vc-workfile-version file) "0") |
78376474 SM |
274 | "(added)" "(modified)")) |
275 | ((eq cvs-state 'needs-patch) "(patch)") | |
276 | ((eq cvs-state 'needs-merge) "(merge)")))) | |
c1b25099 | 277 | |
9b0630e5 | 278 | |
8f98485f AS |
279 | ;;; |
280 | ;;; State-changing functions | |
281 | ;;; | |
c1b25099 | 282 | |
8f98485f AS |
283 | (defun vc-cvs-register (file &optional rev comment) |
284 | "Register FILE into the CVS version-control system. | |
285 | COMMENT can be used to provide an initial description of FILE. | |
c1b25099 | 286 | |
8f98485f AS |
287 | `vc-register-switches' and `vc-cvs-register-switches' are passed to |
288 | the CVS command (in that order)." | |
e54faddb SM |
289 | (when (and (not (vc-cvs-responsible-p file)) |
290 | (vc-cvs-could-register file)) | |
291 | ;; Register the directory if needed. | |
292 | (vc-cvs-register (directory-file-name (file-name-directory file)))) | |
f153cb52 SM |
293 | (apply 'vc-cvs-command nil 0 file |
294 | "add" | |
295 | (and comment (string-match "[^\t\n ]" comment) | |
296 | (concat "-m" comment)) | |
297 | (vc-switches 'CVS 'register))) | |
c1b25099 | 298 | |
8f98485f AS |
299 | (defun vc-cvs-responsible-p (file) |
300 | "Return non-nil if CVS thinks it is responsible for FILE." | |
301 | (file-directory-p (expand-file-name "CVS" | |
302 | (if (file-directory-p file) | |
303 | file | |
304 | (file-name-directory file))))) | |
c1b25099 | 305 | |
e54faddb | 306 | (defun vc-cvs-could-register (file) |
8f98485f | 307 | "Return non-nil if FILE could be registered in CVS. |
e54faddb SM |
308 | This is only possible if CVS is managing FILE's directory or one of |
309 | its parents." | |
310 | (let ((dir file)) | |
311 | (while (and (stringp dir) | |
312 | (not (equal dir (setq dir (file-name-directory dir)))) | |
313 | dir) | |
314 | (setq dir (if (file-directory-p | |
315 | (expand-file-name "CVS/Entries" dir)) | |
316 | t (directory-file-name dir)))) | |
317 | (eq dir t))) | |
c1b25099 GM |
318 | |
319 | (defun vc-cvs-checkin (file rev comment) | |
320 | "CVS-specific version of `vc-backend-checkin'." | |
f153cb52 SM |
321 | (unless (or (not rev) (vc-cvs-valid-version-number-p rev)) |
322 | (if (not (vc-cvs-valid-symbolic-tag-name-p rev)) | |
323 | (error "%s is not a valid symbolic tag name" rev) | |
324 | ;; If the input revison is a valid symbolic tag name, we create it | |
325 | ;; as a branch, commit and switch to it. | |
326 | (apply 'vc-cvs-command nil 0 file "tag" "-b" (list rev)) | |
327 | (apply 'vc-cvs-command nil 0 file "update" "-r" (list rev)) | |
328 | (vc-file-setprop file 'vc-cvs-sticky-tag rev))) | |
329 | (let ((status (apply 'vc-cvs-command nil 1 file | |
330 | "ci" (if rev (concat "-r" rev)) | |
331 | (concat "-m" comment) | |
332 | (vc-switches 'CVS 'checkin)))) | |
c1b25099 GM |
333 | (set-buffer "*vc*") |
334 | (goto-char (point-min)) | |
bee48f25 AS |
335 | (when (not (zerop status)) |
336 | ;; Check checkin problem. | |
337 | (cond | |
338 | ((re-search-forward "Up-to-date check failed" nil t) | |
339 | (vc-file-setprop file 'vc-state 'needs-merge) | |
340 | (error (substitute-command-keys | |
341 | (concat "Up-to-date check failed: " | |
342 | "type \\[vc-next-action] to merge in changes")))) | |
343 | (t | |
344 | (pop-to-buffer (current-buffer)) | |
345 | (goto-char (point-min)) | |
346 | (shrink-window-if-larger-than-buffer) | |
347 | (error "Check-in failed")))) | |
c1b25099 GM |
348 | ;; Update file properties |
349 | (vc-file-setprop | |
350 | file 'vc-workfile-version | |
351 | (vc-parse-buffer "^\\(new\\|initial\\) revision: \\([0-9.]+\\)" 2)) | |
352 | ;; Forget the checkout model of the file, because we might have | |
353 | ;; guessed wrong when we found the file. After commit, we can | |
354 | ;; tell it from the permissions of the file (see | |
355 | ;; vc-cvs-checkout-model). | |
356 | (vc-file-setprop file 'vc-checkout-model nil) | |
51af12fc AS |
357 | |
358 | ;; if this was an explicit check-in (does not include creation of | |
359 | ;; a branch), remove the sticky tag. | |
360 | (if (and rev (not (vc-cvs-valid-symbolic-tag-name-p rev))) | |
bbce0417 | 361 | (vc-cvs-command nil 0 file "update" "-A")))) |
c1b25099 | 362 | |
ea05db01 SM |
363 | (defun vc-cvs-find-version (file rev buffer) |
364 | (apply 'vc-cvs-command | |
365 | buffer 0 file | |
366 | "-Q" ; suppress diagnostic output | |
367 | "update" | |
368 | (and rev (not (string= rev "")) | |
369 | (concat "-r" rev)) | |
370 | "-p" | |
f153cb52 | 371 | (vc-switches 'CVS 'checkout))) |
ea05db01 | 372 | |
34abd98e | 373 | (defun vc-cvs-checkout (file &optional editable rev workfile) |
c1b25099 | 374 | "Retrieve a revision of FILE into a WORKFILE. |
34abd98e | 375 | EDITABLE non-nil means that the file should be writable. |
c1b25099 GM |
376 | REV is the revision to check out into WORKFILE." |
377 | (let ((filename (or workfile file)) | |
378 | (file-buffer (get-file-buffer file)) | |
379 | switches) | |
380 | (message "Checking out %s..." filename) | |
381 | (save-excursion | |
382 | ;; Change buffers to get local value of vc-checkout-switches. | |
383 | (if file-buffer (set-buffer file-buffer)) | |
f153cb52 | 384 | (setq switches (vc-switches 'CVS 'checkout)) |
c1b25099 GM |
385 | ;; Save this buffer's default-directory |
386 | ;; and use save-excursion to make sure it is restored | |
387 | ;; in the same buffer it was saved in. | |
388 | (let ((default-directory default-directory)) | |
389 | (save-excursion | |
390 | ;; Adjust the default-directory so that the check-out creates | |
391 | ;; the file in the right place. | |
392 | (setq default-directory (file-name-directory filename)) | |
393 | (if workfile | |
9b0630e5 | 394 | (let ((failed t) |
81d995bb | 395 | (backup-name (if (string= file workfile) |
a8b6979f AS |
396 | (car (find-backup-file-name filename))))) |
397 | (when backup-name | |
9b0630e5 | 398 | (copy-file filename backup-name |
a8b6979f AS |
399 | 'ok-if-already-exists 'keep-date) |
400 | (unless (file-writable-p filename) | |
401 | (set-file-modes filename | |
402 | (logior (file-modes filename) 128)))) | |
c1b25099 GM |
403 | (unwind-protect |
404 | (progn | |
405 | (let ((coding-system-for-read 'no-conversion) | |
406 | (coding-system-for-write 'no-conversion)) | |
407 | (with-temp-file filename | |
bbce0417 AS |
408 | (apply 'vc-cvs-command |
409 | (current-buffer) 0 file | |
c1b25099 | 410 | "-Q" ; suppress diagnostic output |
044504d2 | 411 | "update" |
83220ab0 AS |
412 | (and (stringp rev) |
413 | (not (string= rev "")) | |
c1b25099 GM |
414 | (concat "-r" rev)) |
415 | "-p" | |
416 | switches))) | |
417 | (setq failed nil)) | |
9b0630e5 | 418 | (if failed |
81d995bb | 419 | (if backup-name |
9b0630e5 | 420 | (rename-file backup-name filename |
81d995bb AS |
421 | 'ok-if-already-exists) |
422 | (if (file-exists-p filename) | |
423 | (delete-file filename))) | |
a8b6979f AS |
424 | (and backup-name |
425 | (not vc-make-backup-files) | |
426 | (delete-file backup-name))))) | |
c1b25099 GM |
427 | (if (and (file-exists-p file) (not rev)) |
428 | ;; If no revision was specified, just make the file writable | |
429 | ;; if necessary (using `cvs-edit' if requested). | |
f153cb52 | 430 | (and editable (not (eq (vc-cvs-checkout-model file) 'implicit)) |
83220ab0 AS |
431 | (if vc-cvs-use-edit |
432 | (vc-cvs-command nil 0 file "edit") | |
433 | (set-file-modes file (logior (file-modes file) 128)) | |
434 | (if file-buffer (toggle-read-only -1)))) | |
435 | ;; Check out a particular version (or recreate the file). | |
436 | (vc-file-setprop file 'vc-workfile-version nil) | |
437 | (apply 'vc-cvs-command nil 0 file | |
438 | (and editable | |
439 | (or (not (file-exists-p file)) | |
440 | (not (eq (vc-cvs-checkout-model file) | |
441 | 'implicit))) | |
442 | "-w") | |
443 | "update" | |
63274db1 AS |
444 | (when rev |
445 | (unless (eq rev t) | |
446 | ;; default for verbose checkout: clear the | |
447 | ;; sticky tag so that the actual update will | |
448 | ;; get the head of the trunk | |
449 | (if (string= rev "") | |
450 | "-A" | |
451 | (concat "-r" rev)))) | |
83220ab0 | 452 | switches)))) |
c1b25099 GM |
453 | (vc-mode-line file) |
454 | (message "Checking out %s...done" filename))))) | |
455 | ||
a0688443 SM |
456 | (defun vc-cvs-delete-file (file) |
457 | (vc-cvs-command nil 0 file "remove" "-f")) | |
458 | ||
99739bbf | 459 | (defun vc-cvs-revert (file &optional contents-done) |
8f98485f | 460 | "Revert FILE to the version it was based on." |
99739bbf AS |
461 | (unless contents-done |
462 | ;; Check out via standard output (caused by the final argument | |
463 | ;; FILE below), so that no sticky tag is set. | |
f153cb52 | 464 | (vc-cvs-checkout file nil (vc-workfile-version file) file)) |
99739bbf AS |
465 | (unless (eq (vc-checkout-model file) 'implicit) |
466 | (if vc-cvs-use-edit | |
bbce0417 | 467 | (vc-cvs-command nil 0 file "unedit") |
99739bbf AS |
468 | ;; Make the file read-only by switching off all w-bits |
469 | (set-file-modes file (logand (file-modes file) 3950))))) | |
8f98485f AS |
470 | |
471 | (defun vc-cvs-merge (file first-version &optional second-version) | |
472 | "Merge changes into current working copy of FILE. | |
473 | The changes are between FIRST-VERSION and SECOND-VERSION." | |
bbce0417 | 474 | (vc-cvs-command nil 0 file |
8f98485f AS |
475 | "update" "-kk" |
476 | (concat "-j" first-version) | |
477 | (concat "-j" second-version)) | |
478 | (vc-file-setprop file 'vc-state 'edited) | |
d3ee404f | 479 | (with-current-buffer (get-buffer "*vc*") |
8f98485f AS |
480 | (goto-char (point-min)) |
481 | (if (re-search-forward "conflicts during merge" nil t) | |
482 | 1 ; signal error | |
483 | 0))) ; signal success | |
484 | ||
485 | (defun vc-cvs-merge-news (file) | |
486 | "Merge in any new changes made to FILE." | |
487 | (message "Merging changes into %s..." file) | |
d3ee404f SM |
488 | ;; (vc-file-setprop file 'vc-workfile-version nil) |
489 | (vc-file-setprop file 'vc-checkout-time 0) | |
490 | (vc-cvs-command nil 0 file "update") | |
491 | ;; Analyze the merge result reported by CVS, and set | |
492 | ;; file properties accordingly. | |
493 | (with-current-buffer (get-buffer "*vc*") | |
8f98485f AS |
494 | (goto-char (point-min)) |
495 | ;; get new workfile version | |
d3ee404f SM |
496 | (if (re-search-forward |
497 | "^Merging differences between [0-9.]* and \\([0-9.]*\\) into" nil t) | |
8f98485f AS |
498 | (vc-file-setprop file 'vc-workfile-version (match-string 1)) |
499 | (vc-file-setprop file 'vc-workfile-version nil)) | |
500 | ;; get file status | |
501 | (prog1 | |
502 | (if (eq (buffer-size) 0) | |
503 | 0 ;; there were no news; indicate success | |
504 | (if (re-search-forward | |
505 | (concat "^\\([CMUP] \\)?" | |
506 | (regexp-quote (file-name-nondirectory file)) | |
507 | "\\( already contains the differences between \\)?") | |
508 | nil t) | |
509 | (cond | |
510 | ;; Merge successful, we are in sync with repository now | |
511 | ((or (match-string 2) | |
512 | (string= (match-string 1) "U ") | |
513 | (string= (match-string 1) "P ")) | |
514 | (vc-file-setprop file 'vc-state 'up-to-date) | |
515 | (vc-file-setprop file 'vc-checkout-time | |
516 | (nth 5 (file-attributes file))) | |
517 | 0);; indicate success to the caller | |
518 | ;; Merge successful, but our own changes are still in the file | |
519 | ((string= (match-string 1) "M ") | |
520 | (vc-file-setprop file 'vc-state 'edited) | |
521 | 0);; indicate success to the caller | |
522 | ;; Conflicts detected! | |
523 | (t | |
524 | (vc-file-setprop file 'vc-state 'edited) | |
525 | 1);; signal the error to the caller | |
526 | ) | |
527 | (pop-to-buffer "*vc*") | |
528 | (error "Couldn't analyze cvs update result"))) | |
529 | (message "Merging changes into %s...done" file)))) | |
530 | ||
9b0630e5 | 531 | |
8f98485f AS |
532 | ;;; |
533 | ;;; History functions | |
534 | ;;; | |
535 | ||
6b61353c | 536 | (defun vc-cvs-print-log (file &optional buffer) |
8f98485f | 537 | "Get change log associated with FILE." |
bbce0417 | 538 | (vc-cvs-command |
6b61353c | 539 | buffer |
e54faddb | 540 | (if (and (vc-stay-local-p file) (fboundp 'start-process)) 'async 0) |
bbce0417 | 541 | file "log")) |
8f98485f | 542 | |
6b61353c | 543 | (defun vc-cvs-diff (file &optional oldvers newvers buffer) |
8f98485f | 544 | "Get a difference report using CVS between two versions of FILE." |
f153cb52 SM |
545 | (if (string= (vc-workfile-version file) "0") |
546 | ;; This file is added but not yet committed; there is no master file. | |
547 | (if (or oldvers newvers) | |
548 | (error "No revisions of %s exist" file) | |
549 | ;; We regard this as "changed". | |
550 | ;; Diff it against /dev/null. | |
551 | ;; Note: this is NOT a "cvs diff". | |
6b61353c | 552 | (apply 'vc-do-command (or buffer "*vc-diff*") |
f153cb52 SM |
553 | 1 "diff" file |
554 | (append (vc-switches nil 'diff) '("/dev/null"))) | |
555 | ;; Even if it's empty, it's locally modified. | |
556 | 1) | |
e54faddb | 557 | (let* ((async (and (vc-stay-local-p file) (fboundp 'start-process))) |
6b61353c | 558 | (status (apply 'vc-cvs-command (or buffer "*vc-diff*") |
f153cb52 SM |
559 | (if async 'async 1) |
560 | file "diff" | |
561 | (and oldvers (concat "-r" oldvers)) | |
562 | (and newvers (concat "-r" newvers)) | |
563 | (vc-switches 'CVS 'diff)))) | |
564 | (if async 1 status)))) ; async diff, pessimistic assumption | |
8f98485f | 565 | |
5e0fdc5a AS |
566 | (defun vc-cvs-diff-tree (dir &optional rev1 rev2) |
567 | "Diff all files at and below DIR." | |
568 | (with-current-buffer "*vc-diff*" | |
569 | (setq default-directory dir) | |
e54faddb | 570 | (if (vc-stay-local-p dir) |
5e0fdc5a AS |
571 | ;; local diff: do it filewise, and only for files that are modified |
572 | (vc-file-tree-walk | |
573 | dir | |
574 | (lambda (f) | |
575 | (vc-exec-after | |
576 | `(let ((coding-system-for-read (vc-coding-system-for-diff ',f))) | |
577 | ;; possible optimization: fetch the state of all files | |
578 | ;; in the tree via vc-cvs-dir-state-heuristic | |
579 | (unless (vc-up-to-date-p ',f) | |
580 | (message "Looking at %s" ',f) | |
044504d2 | 581 | (vc-diff-internal ',f ',rev1 ',rev2)))))) |
5e0fdc5a AS |
582 | ;; cvs diff: use a single call for the entire tree |
583 | (let ((coding-system-for-read | |
584 | (or coding-system-for-read 'undecided))) | |
bbce0417 | 585 | (apply 'vc-cvs-command "*vc-diff*" 1 nil "diff" |
044504d2 AS |
586 | (and rev1 (concat "-r" rev1)) |
587 | (and rev2 (concat "-r" rev2)) | |
f153cb52 | 588 | (vc-switches 'CVS 'diff)))))) |
5e0fdc5a | 589 | |
8f98485f AS |
590 | (defun vc-cvs-annotate-command (file buffer &optional version) |
591 | "Execute \"cvs annotate\" on FILE, inserting the contents in BUFFER. | |
592 | Optional arg VERSION is a version to annotate from." | |
f153cb52 | 593 | (vc-cvs-command buffer 0 file "annotate" (if version (concat "-r" version)))) |
c1b25099 | 594 | |
8ba2df32 AS |
595 | (defun vc-cvs-annotate-current-time () |
596 | "Return the current time, based at midnight of the current day, and | |
597 | encoded as fractional days." | |
598 | (vc-annotate-convert-time | |
599 | (apply 'encode-time 0 0 0 (nthcdr 3 (decode-time (current-time)))))) | |
600 | ||
601 | (defun vc-cvs-annotate-time () | |
602 | "Return the time of the next annotation (as fraction of days) | |
f0529b5b | 603 | systime, or nil if there is none." |
968b980c | 604 | (let ((time-stamp |
8ba2df32 AS |
605 | "^\\S-+\\s-+\\S-+\\s-+\\([0-9]+\\)-\\(\\sw+\\)-\\([0-9]+\\)): ")) |
606 | (if (looking-at time-stamp) | |
c1b25099 GM |
607 | (progn |
608 | (let* ((day (string-to-number (match-string 1))) | |
968b980c | 609 | (month (cdr (assoc (match-string 2) |
8ba2df32 | 610 | vc-cvs-local-month-numbers))) |
c1b25099 GM |
611 | (year-tmp (string-to-number (match-string 3))) |
612 | ;; Years 0..68 are 2000..2068. | |
613 | ;; Years 69..99 are 1969..1999. | |
614 | (year (+ (cond ((> 69 year-tmp) 2000) | |
615 | ((> 100 year-tmp) 1900) | |
616 | (t 0)) | |
617 | year-tmp))) | |
618 | (goto-char (match-end 0)) ; Position at end makes for nicer overlay result | |
8ba2df32 | 619 | (vc-annotate-convert-time (encode-time 0 0 0 day month year)))) |
c1b25099 GM |
620 | ;; If we did not look directly at an annotation, there might be |
621 | ;; some further down. This is the case if we are positioned at | |
622 | ;; the very top of the buffer, for instance. | |
8ba2df32 | 623 | (if (re-search-forward time-stamp nil t) |
c1b25099 GM |
624 | (progn |
625 | (beginning-of-line nil) | |
8ba2df32 | 626 | (vc-cvs-annotate-time)))))) |
9b0630e5 | 627 | |
6b61353c KH |
628 | (defun vc-cvs-annotate-extract-revision-at-line () |
629 | (save-excursion | |
630 | (beginning-of-line) | |
631 | (if (re-search-forward "^\\([0-9]+\\.[0-9]+\\(\\.[0-9]+\\)*\\) +(" | |
632 | (line-end-position) t) | |
633 | (match-string-no-properties 1) | |
634 | nil))) | |
635 | ||
8f98485f AS |
636 | ;;; |
637 | ;;; Snapshot system | |
638 | ;;; | |
639 | ||
640 | (defun vc-cvs-create-snapshot (dir name branchp) | |
641 | "Assign to DIR's current version a given NAME. | |
642 | If BRANCHP is non-nil, the name is created as a branch (and the current | |
643 | workspace is immediately moved to that new branch)." | |
bbce0417 AS |
644 | (vc-cvs-command nil 0 dir "tag" "-c" (if branchp "-b") name) |
645 | (when branchp (vc-cvs-command nil 0 dir "update" "-r" name))) | |
8f98485f AS |
646 | |
647 | (defun vc-cvs-retrieve-snapshot (dir name update) | |
648 | "Retrieve a snapshot at and below DIR. | |
649 | NAME is the name of the snapshot; if it is empty, do a `cvs update'. | |
650 | If UPDATE is non-nil, then update (resynch) any affected buffers." | |
651 | (with-current-buffer (get-buffer-create "*vc*") | |
51af12fc AS |
652 | (let ((default-directory dir) |
653 | (sticky-tag)) | |
8f98485f AS |
654 | (erase-buffer) |
655 | (if (or (not name) (string= name "")) | |
bbce0417 AS |
656 | (vc-cvs-command t 0 nil "update") |
657 | (vc-cvs-command t 0 nil "update" "-r" name) | |
51af12fc | 658 | (setq sticky-tag name)) |
8f98485f AS |
659 | (when update |
660 | (goto-char (point-min)) | |
661 | (while (not (eobp)) | |
662 | (if (looking-at "\\([CMUP]\\) \\(.*\\)") | |
663 | (let* ((file (expand-file-name (match-string 2) dir)) | |
664 | (state (match-string 1)) | |
665 | (buffer (find-buffer-visiting file))) | |
666 | (when buffer | |
667 | (cond | |
668 | ((or (string= state "U") | |
669 | (string= state "P")) | |
670 | (vc-file-setprop file 'vc-state 'up-to-date) | |
671 | (vc-file-setprop file 'vc-workfile-version nil) | |
672 | (vc-file-setprop file 'vc-checkout-time | |
673 | (nth 5 (file-attributes file)))) | |
674 | ((or (string= state "M") | |
675 | (string= state "C")) | |
676 | (vc-file-setprop file 'vc-state 'edited) | |
677 | (vc-file-setprop file 'vc-workfile-version nil) | |
678 | (vc-file-setprop file 'vc-checkout-time 0))) | |
51af12fc | 679 | (vc-file-setprop file 'vc-cvs-sticky-tag sticky-tag) |
8f98485f AS |
680 | (vc-resynch-buffer file t t)))) |
681 | (forward-line 1)))))) | |
682 | ||
9b0630e5 | 683 | |
8f98485f AS |
684 | ;;; |
685 | ;;; Miscellaneous | |
686 | ;;; | |
687 | ||
e54faddb | 688 | (defalias 'vc-cvs-make-version-backups-p 'vc-stay-local-p |
d3ee404f | 689 | "Return non-nil if version backups should be made for FILE.") |
8f98485f AS |
690 | |
691 | (defun vc-cvs-check-headers () | |
692 | "Check if the current file has any headers in it." | |
693 | (save-excursion | |
694 | (goto-char (point-min)) | |
695 | (re-search-forward "\\$[A-Za-z\300-\326\330-\366\370-\377]+\ | |
696 | \\(: [\t -#%-\176\240-\377]*\\)?\\$" nil t))) | |
697 | ||
9b0630e5 | 698 | |
8f98485f AS |
699 | ;;; |
700 | ;;; Internal functions | |
701 | ;;; | |
702 | ||
bbce0417 AS |
703 | (defun vc-cvs-command (buffer okstatus file &rest flags) |
704 | "A wrapper around `vc-do-command' for use in vc-cvs.el. | |
705 | The difference to vc-do-command is that this function always invokes `cvs', | |
706 | and that it passes `vc-cvs-global-switches' to it before FLAGS." | |
707 | (apply 'vc-do-command buffer okstatus "cvs" file | |
968b980c | 708 | (if (stringp vc-cvs-global-switches) |
bbce0417 AS |
709 | (cons vc-cvs-global-switches flags) |
710 | (append vc-cvs-global-switches | |
711 | flags)))) | |
712 | ||
e54faddb SM |
713 | (defalias 'vc-cvs-stay-local-p 'vc-stay-local-p) ;Back-compatibility. |
714 | ||
715 | (defun vc-cvs-repository-hostname (dirname) | |
716 | "Hostname of the CVS server associated to workarea DIRNAME." | |
717 | (let ((rootname (expand-file-name "CVS/Root" dirname))) | |
718 | (when (file-readable-p rootname) | |
719 | (with-temp-buffer | |
720 | (let ((coding-system-for-read | |
721 | (or file-name-coding-system | |
722 | default-file-name-coding-system))) | |
723 | (vc-insert-file rootname)) | |
724 | (goto-char (point-min)) | |
725 | (nth 2 (vc-cvs-parse-root | |
726 | (buffer-substring (point) | |
727 | (line-end-position)))))))) | |
78376474 SM |
728 | |
729 | (defun vc-cvs-parse-root (root) | |
d3ed06c6 AS |
730 | "Split CVS ROOT specification string into a list of fields. |
731 | A CVS root specification of the form | |
732 | [:METHOD:][[USER@]HOSTNAME:]/path/to/repository | |
733 | is converted to a normalized record with the following structure: | |
734 | \(METHOD USER HOSTNAME CVS-ROOT). | |
735 | The default METHOD for a CVS root of the form | |
736 | /path/to/repository | |
737 | is `local'. | |
738 | The default METHOD for a CVS root of the form | |
739 | [USER@]HOSTNAME:/path/to/repository | |
740 | is `ext'. | |
741 | For an empty string, nil is returned (illegal CVS root)." | |
742 | ;; Split CVS root into colon separated fields (0-4). | |
743 | ;; The `x:' makes sure, that leading colons are not lost; | |
744 | ;; `HOST:/PATH' is then different from `:METHOD:/PATH'. | |
745 | (let* ((root-list (cdr (split-string (concat "x:" root) ":"))) | |
746 | (len (length root-list)) | |
747 | ;; All syntactic varieties will get a proper METHOD. | |
748 | (root-list | |
749 | (cond | |
750 | ((= len 0) | |
751 | ;; Invalid CVS root | |
752 | nil) | |
753 | ((= len 1) | |
754 | ;; Simple PATH => method `local' | |
755 | (cons "local" | |
756 | (cons nil root-list))) | |
757 | ((= len 2) | |
758 | ;; [USER@]HOST:PATH => method `ext' | |
759 | (and (not (equal (car root-list) "")) | |
760 | (cons "ext" root-list))) | |
761 | ((= len 3) | |
762 | ;; :METHOD:PATH | |
763 | (cons (cadr root-list) | |
764 | (cons nil (cddr root-list)))) | |
765 | (t | |
766 | ;; :METHOD:[USER@]HOST:PATH | |
767 | (cdr root-list))))) | |
768 | (if root-list | |
769 | (let ((method (car root-list)) | |
770 | (uhost (or (cadr root-list) "")) | |
771 | (root (nth 2 root-list)) | |
772 | user host) | |
773 | ;; Split USER@HOST | |
774 | (if (string-match "\\(.*\\)@\\(.*\\)" uhost) | |
775 | (setq user (match-string 1 uhost) | |
776 | host (match-string 2 uhost)) | |
777 | (setq host uhost)) | |
778 | ;; Remove empty HOST | |
779 | (and (equal host "") | |
780 | (setq host)) | |
781 | ;; Fix windows style CVS root `:local:C:\\project\\cvs\\some\\dir' | |
782 | (and host | |
783 | (equal method "local") | |
784 | (setq root (concat host ":" root) host)) | |
785 | ;; Normalize CVS root record | |
786 | (list method user host root))))) | |
8f98485f AS |
787 | |
788 | (defun vc-cvs-parse-status (&optional full) | |
789 | "Parse output of \"cvs status\" command in the current buffer. | |
790 | Set file properties accordingly. Unless FULL is t, parse only | |
791 | essential information." | |
792 | (let (file status) | |
793 | (goto-char (point-min)) | |
794 | (if (re-search-forward "^File: " nil t) | |
795 | (cond | |
796 | ((looking-at "no file") nil) | |
797 | ((re-search-forward "\\=\\([^ \t]+\\)" nil t) | |
798 | (setq file (expand-file-name (match-string 1))) | |
799 | (vc-file-setprop file 'vc-backend 'CVS) | |
800 | (if (not (re-search-forward "\\=[ \t]+Status: \\(.*\\)" nil t)) | |
801 | (setq status "Unknown") | |
802 | (setq status (match-string 1))) | |
803 | (if (and full | |
804 | (re-search-forward | |
44f663a4 | 805 | "\\(RCS Version\\|RCS Revision\\|Repository revision\\):\ |
8f98485f AS |
806 | \[\t ]+\\([0-9.]+\\)" |
807 | nil t)) | |
808 | (vc-file-setprop file 'vc-latest-version (match-string 2))) | |
968b980c | 809 | (vc-file-setprop |
44f663a4 AS |
810 | file 'vc-state |
811 | (cond | |
812 | ((string-match "Up-to-date" status) | |
813 | (vc-file-setprop file 'vc-checkout-time | |
814 | (nth 5 (file-attributes file))) | |
815 | 'up-to-date) | |
816 | ((string-match "Locally Modified" status) 'edited) | |
817 | ((string-match "Needs Merge" status) 'needs-merge) | |
818 | ((string-match "Needs \\(Checkout\\|Patch\\)" status) 'needs-patch) | |
819 | (t 'edited)))))))) | |
8f98485f AS |
820 | |
821 | (defun vc-cvs-dir-state-heuristic (dir) | |
822 | "Find the CVS state of all files in DIR, using only local information." | |
823 | (with-temp-buffer | |
666721a6 | 824 | (vc-cvs-get-entries dir) |
8f98485f AS |
825 | (goto-char (point-min)) |
826 | (while (not (eobp)) | |
839dacca SM |
827 | ;; CVS-removed files are not taken under VC control. |
828 | (when (looking-at "/\\([^/]*\\)/[^/-]") | |
8f98485f AS |
829 | (let ((file (expand-file-name (match-string 1) dir))) |
830 | (unless (vc-file-getprop file 'vc-state) | |
831 | (vc-cvs-parse-entry file t)))) | |
832 | (forward-line 1)))) | |
833 | ||
666721a6 AS |
834 | (defun vc-cvs-get-entries (dir) |
835 | "Insert the CVS/Entries file from below DIR into the current buffer. | |
836 | This function ensures that the correct coding system is used for that, | |
837 | which may not be the one that is used for the files' contents. | |
838 | CVS/Entries should only be accessed through this function." | |
839 | (let ((coding-system-for-read (or file-name-coding-system | |
840 | default-file-name-coding-system))) | |
841 | (vc-insert-file (expand-file-name "CVS/Entries" dir)))) | |
842 | ||
51af12fc AS |
843 | (defun vc-cvs-valid-symbolic-tag-name-p (tag) |
844 | "Return non-nil if TAG is a valid symbolic tag name." | |
845 | ;; According to the CVS manual, a valid symbolic tag must start with | |
846 | ;; an uppercase or lowercase letter and can contain uppercase and | |
847 | ;; lowercase letters, digits, `-', and `_'. | |
848 | (and (string-match "^[a-zA-Z]" tag) | |
849 | (not (string-match "[^a-z0-9A-Z-_]" tag)))) | |
968b980c | 850 | |
93bcb353 SS |
851 | (defun vc-cvs-valid-version-number-p (tag) |
852 | "Return non-nil if TAG is a valid version number." | |
853 | (and (string-match "^[0-9]" tag) | |
854 | (not (string-match "[^0-9.]" tag)))) | |
51af12fc AS |
855 | |
856 | (defun vc-cvs-parse-sticky-tag (match-type match-tag) | |
968b980c | 857 | "Parse and return the sticky tag as a string. |
51af12fc AS |
858 | `match-data' is protected." |
859 | (let ((data (match-data)) | |
860 | (tag) | |
861 | (type (cond ((string= match-type "D") 'date) | |
862 | ((string= match-type "T") | |
863 | (if (vc-cvs-valid-symbolic-tag-name-p match-tag) | |
864 | 'symbolic-name | |
865 | 'revision-number)) | |
866 | (t nil)))) | |
867 | (unwind-protect | |
868 | (progn | |
968b980c | 869 | (cond |
e6608c12 | 870 | ;; Sticky Date tag. Convert to a proper date value (`encode-time') |
51af12fc | 871 | ((eq type 'date) |
968b980c SS |
872 | (string-match |
873 | "\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)" | |
51af12fc AS |
874 | match-tag) |
875 | (let* ((year-tmp (string-to-number (match-string 1 match-tag))) | |
876 | (month (string-to-number (match-string 2 match-tag))) | |
877 | (day (string-to-number (match-string 3 match-tag))) | |
878 | (hour (string-to-number (match-string 4 match-tag))) | |
879 | (min (string-to-number (match-string 5 match-tag))) | |
880 | (sec (string-to-number (match-string 6 match-tag))) | |
881 | ;; Years 0..68 are 2000..2068. | |
882 | ;; Years 69..99 are 1969..1999. | |
883 | (year (+ (cond ((> 69 year-tmp) 2000) | |
884 | ((> 100 year-tmp) 1900) | |
885 | (t 0)) | |
886 | year-tmp))) | |
887 | (setq tag (encode-time sec min hour day month year)))) | |
888 | ;; Sticky Tag name or revision number | |
889 | ((eq type 'symbolic-name) (setq tag match-tag)) | |
890 | ((eq type 'revision-number) (setq tag match-tag)) | |
891 | ;; Default is no sticky tag at all | |
892 | (t nil)) | |
893 | (cond ((eq vc-cvs-sticky-tag-display nil) nil) | |
894 | ((eq vc-cvs-sticky-tag-display t) | |
968b980c | 895 | (cond ((eq type 'date) (format-time-string |
51af12fc AS |
896 | vc-cvs-sticky-date-format-string |
897 | tag)) | |
898 | ((eq type 'symbolic-name) tag) | |
899 | ((eq type 'revision-number) tag) | |
900 | (t nil))) | |
968b980c | 901 | ((functionp vc-cvs-sticky-tag-display) |
51af12fc AS |
902 | (funcall vc-cvs-sticky-tag-display tag type)) |
903 | (t nil))) | |
904 | ||
905 | (set-match-data data)))) | |
906 | ||
8f98485f AS |
907 | (defun vc-cvs-parse-entry (file &optional set-state) |
908 | "Parse a line from CVS/Entries. | |
909 | Compare modification time to that of the FILE, set file properties | |
910 | accordingly. However, `vc-state' is set only if optional arg SET-STATE | |
911 | is non-nil." | |
912 | (cond | |
913 | ;; entry for a "locally added" file (not yet committed) | |
914 | ((looking-at "/[^/]+/0/") | |
915 | (vc-file-setprop file 'vc-checkout-time 0) | |
916 | (vc-file-setprop file 'vc-workfile-version "0") | |
917 | (if set-state (vc-file-setprop file 'vc-state 'edited))) | |
918 | ;; normal entry | |
919 | ((looking-at | |
920 | (concat "/[^/]+" | |
921 | ;; revision | |
922 | "/\\([^/]*\\)" | |
92788b3b AS |
923 | ;; timestamp and optional conflict field |
924 | "/\\([^/]*\\)/" | |
51af12fc AS |
925 | ;; options |
926 | "\\([^/]*\\)/" | |
927 | ;; sticky tag | |
928 | "\\(.\\|\\)" ;Sticky tag type (date or tag name, could be empty) | |
929 | "\\(.*\\)")) ;Sticky tag | |
8f98485f | 930 | (vc-file-setprop file 'vc-workfile-version (match-string 1)) |
839dacca | 931 | (vc-file-setprop file 'vc-cvs-sticky-tag |
6b61353c KH |
932 | (vc-cvs-parse-sticky-tag (match-string 4) |
933 | (match-string 5))) | |
934 | ;; Compare checkout time and modification time. | |
935 | ;; This is intentionally different from the algorithm that CVS uses | |
936 | ;; (which is based on textual comparison), because there can be problems | |
937 | ;; generating a time string that looks exactly like the one from CVS. | |
938 | (let ((mtime (nth 5 (file-attributes file)))) | |
939 | (require 'parse-time) | |
940 | (let ((parsed-time | |
941 | (parse-time-string (concat (match-string 2) " +0000")))) | |
942 | (cond ((and (not (string-match "\\+" (match-string 2))) | |
943 | (car parsed-time) | |
944 | (equal mtime (apply 'encode-time parsed-time))) | |
945 | (vc-file-setprop file 'vc-checkout-time mtime) | |
946 | (if set-state (vc-file-setprop file 'vc-state 'up-to-date))) | |
947 | (t | |
948 | (vc-file-setprop file 'vc-checkout-time 0) | |
949 | (if set-state (vc-file-setprop file 'vc-state 'edited))))))))) | |
968b980c | 950 | |
c1b25099 GM |
951 | (provide 'vc-cvs) |
952 | ||
6b61353c | 953 | ;;; arch-tag: 60e1402a-aa53-4607-927a-cf74f144b432 |
c1b25099 | 954 | ;;; vc-cvs.el ends here |