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[emacs.git] / lisp / vc-cvs.el
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1 ;;; vc-cvs.el --- non-resident support for CVS version-control
3 ;; Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 ;; 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
6 ;; Author: FSF (see vc.el for full credits)
7 ;; Maintainer: Andre Spiegel <spiegel@gnu.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
24 ;;; Commentary:
26 ;;; Code:
28 (eval-when-compile (require 'cl) (require 'vc))
30 ;; Clear up the cache to force vc-call to check again and discover
31 ;; new functions when we reload this file.
32 (put 'CVS 'vc-functions nil)
34 ;;; Properties of the backend.
36 (defun vc-cvs-revision-granularity () 'file)
38 (defun vc-cvs-checkout-model (files)
39 "CVS-specific version of `vc-checkout-model'."
40 (if (getenv "CVSREAD")
41 'announce
42 (let* ((file (if (consp files) (car files) files))
43 (attrib (file-attributes file)))
44 (or (vc-file-getprop file 'vc-checkout-model)
45 (vc-file-setprop
46 file 'vc-checkout-model
47 (if (and attrib ;; don't check further if FILE doesn't exist
48 ;; If the file is not writable (despite CVSREAD being
49 ;; undefined), this is probably because the file is being
50 ;; "watched" by other developers.
51 ;; (If vc-mistrust-permissions was t, we actually shouldn't
52 ;; trust this, but there is no other way to learn this from
53 ;; CVS at the moment (version 1.9).)
54 (string-match "r-..-..-." (nth 8 attrib)))
55 'announce
56 'implicit))))))
58 ;;;
59 ;;; Customization options
60 ;;;
62 (defcustom vc-cvs-global-switches nil
63 "Global switches to pass to any CVS command."
64 :type '(choice (const :tag "None" nil)
65 (string :tag "Argument String")
66 (repeat :tag "Argument List"
67 :value ("")
68 string))
69 :version "22.1"
70 :group 'vc)
72 (defcustom vc-cvs-register-switches nil
73 "Switches for registering a file into CVS.
74 A string or list of strings passed to the checkin program by
75 \\[vc-register]. If nil, use the value of `vc-register-switches'.
76 If t, use no switches."
77 :type '(choice (const :tag "Unspecified" nil)
78 (const :tag "None" t)
79 (string :tag "Argument String")
80 (repeat :tag "Argument List" :value ("") string))
81 :version "21.1"
82 :group 'vc)
84 (defcustom vc-cvs-diff-switches nil
85 "String or list of strings specifying switches for CVS diff under VC.
86 If nil, use the value of `vc-diff-switches'. If t, use no switches."
87 :type '(choice (const :tag "Unspecified" nil)
88 (const :tag "None" t)
89 (string :tag "Argument String")
90 (repeat :tag "Argument List" :value ("") string))
91 :version "21.1"
92 :group 'vc)
94 (defcustom vc-cvs-header (or (cdr (assoc 'CVS vc-header-alist)) '("\$Id\$"))
95 "Header keywords to be inserted by `vc-insert-headers'."
96 :version "21.1"
97 :type '(repeat string)
98 :group 'vc)
100 (defcustom vc-cvs-use-edit t
101 "Non-nil means to use `cvs edit' to \"check out\" a file.
102 This is only meaningful if you don't use the implicit checkout model
103 \(i.e. if you have $CVSREAD set)."
104 :type 'boolean
105 :version "21.1"
106 :group 'vc)
108 (defcustom vc-cvs-stay-local 'only-file
109 "Non-nil means use local operations when possible for remote repositories.
110 This avoids slow queries over the network and instead uses heuristics
111 and past information to determine the current status of a file.
113 If value is the symbol `only-file' `vc-dir' will connect to the
114 server, but heuristics will be used to determine the status for
115 all other VC operations.
117 The value can also be a regular expression or list of regular
118 expressions to match against the host name of a repository; then VC
119 only stays local for hosts that match it. Alternatively, the value
120 can be a list of regular expressions where the first element is the
121 symbol `except'; then VC always stays local except for hosts matched
122 by these regular expressions."
123 :type '(choice (const :tag "Always stay local" t)
124 (const :tag "Only for file operations" only-file)
125 (const :tag "Don't stay local" nil)
126 (list :format "\nExamine hostname and %v"
127 :tag "Examine hostname ..."
128 (set :format "%v" :inline t
129 (const :format "%t" :tag "don't" except))
130 (regexp :format " stay local,\n%t: %v"
131 :tag "if it matches")
132 (repeat :format "%v%i\n" :inline t (regexp :tag "or"))))
133 :version "23.1"
134 :group 'vc)
136 (defcustom vc-cvs-sticky-date-format-string "%c"
137 "Format string for mode-line display of sticky date.
138 Format is according to `format-time-string'. Only used if
139 `vc-cvs-sticky-tag-display' is t."
140 :type '(string)
141 :version "22.1"
142 :group 'vc)
144 (defcustom vc-cvs-sticky-tag-display t
145 "Specify the mode-line display of sticky tags.
146 Value t means default display, nil means no display at all. If the
147 value is a function or macro, it is called with the sticky tag and
148 its' type as parameters, in that order. TYPE can have three different
149 values: `symbolic-name' (TAG is a string), `revision-number' (TAG is a
150 string) and `date' (TAG is a date as returned by `encode-time'). The
151 return value of the function or macro will be displayed as a string.
153 Here's an example that will display the formatted date for sticky
154 dates and the word \"Sticky\" for sticky tag names and revisions.
156 (lambda (tag type)
157 (cond ((eq type 'date) (format-time-string
158 vc-cvs-sticky-date-format-string tag))
159 ((eq type 'revision-number) \"Sticky\")
160 ((eq type 'symbolic-name) \"Sticky\")))
162 Here's an example that will abbreviate to the first character only,
163 any text before the first occurrence of `-' for sticky symbolic tags.
164 If the sticky tag is a revision number, the word \"Sticky\" is
165 displayed. Date and time is displayed for sticky dates.
167 (lambda (tag type)
168 (cond ((eq type 'date) (format-time-string \"%Y%m%d %H:%M\" tag))
169 ((eq type 'revision-number) \"Sticky\")
170 ((eq type 'symbolic-name)
171 (condition-case nil
172 (progn
173 (string-match \"\\\\([^-]*\\\\)\\\\(.*\\\\)\" tag)
174 (concat (substring (match-string 1 tag) 0 1) \":\"
175 (substring (match-string 2 tag) 1 nil)))
176 (error tag))))) ; Fall-back to given tag name.
178 See also variable `vc-cvs-sticky-date-format-string'."
179 :type '(choice boolean function)
180 :version "22.1"
181 :group 'vc)
184 ;;; Internal variables
189 ;;; State-querying functions
192 ;;;###autoload (defun vc-cvs-registered (f)
193 ;;;###autoload (when (file-readable-p (expand-file-name
194 ;;;###autoload "CVS/Entries" (file-name-directory f)))
195 ;;;###autoload (load "vc-cvs")
196 ;;;###autoload (vc-cvs-registered f)))
198 (defun vc-cvs-registered (file)
199 "Check if FILE is CVS registered."
200 (let ((dirname (or (file-name-directory file) ""))
201 (basename (file-name-nondirectory file))
202 ;; make sure that the file name is searched case-sensitively
203 (case-fold-search nil))
204 (if (file-readable-p (expand-file-name "CVS/Entries" dirname))
205 (or (string= basename "")
206 (with-temp-buffer
207 (vc-cvs-get-entries dirname)
208 (goto-char (point-min))
209 (cond ((re-search-forward
210 (concat "^/" (regexp-quote basename) "/[^/]") nil t)
211 (beginning-of-line)
212 (vc-cvs-parse-entry file)
214 (t nil))))
215 nil)))
217 (defun vc-cvs-state (file)
218 "CVS-specific version of `vc-state'."
219 (if (vc-stay-local-p file 'CVS)
220 (let ((state (vc-file-getprop file 'vc-state)))
221 ;; If we should stay local, use the heuristic but only if
222 ;; we don't have a more precise state already available.
223 (if (memq state '(up-to-date edited nil))
224 (vc-cvs-state-heuristic file)
225 state))
226 (with-temp-buffer
227 (cd (file-name-directory file))
228 (vc-cvs-command t 0 file "status")
229 (vc-cvs-parse-status t))))
231 (defun vc-cvs-state-heuristic (file)
232 "CVS-specific state heuristic."
233 ;; If the file has not changed since checkout, consider it `up-to-date'.
234 ;; Otherwise consider it `edited'.
235 (let ((checkout-time (vc-file-getprop file 'vc-checkout-time))
236 (lastmod (nth 5 (file-attributes file))))
237 (cond
238 ((equal checkout-time lastmod) 'up-to-date)
239 ((string= (vc-working-revision file) "0") 'added)
240 ((null checkout-time) 'unregistered)
241 (t 'edited))))
243 (defun vc-cvs-working-revision (file)
244 "CVS-specific version of `vc-working-revision'."
245 ;; There is no need to consult RCS headers under CVS, because we
246 ;; get the workfile version for free when we recognize that a file
247 ;; is registered in CVS.
248 (vc-cvs-registered file)
249 (vc-file-getprop file 'vc-working-revision))
251 (defun vc-cvs-mode-line-string (file)
252 "Return string for placement into the modeline for FILE.
253 Compared to the default implementation, this function does two things:
254 Handle the special case of a CVS file that is added but not yet
255 committed and support display of sticky tags."
256 (let* ((sticky-tag (vc-file-getprop file 'vc-cvs-sticky-tag))
257 help-echo
258 (string
259 (let ((def-ml (vc-default-mode-line-string 'CVS file)))
260 (setq help-echo
261 (get-text-property 0 'help-echo def-ml))
262 def-ml)))
263 (propertize
264 (if (zerop (length sticky-tag))
265 string
266 (setq help-echo (format "%s on the '%s' branch"
267 help-echo sticky-tag))
268 (concat string "[" sticky-tag "]"))
269 'help-echo help-echo)))
273 ;;; State-changing functions
276 (defun vc-cvs-register (files &optional rev comment)
277 "Register FILES into the CVS version-control system.
278 COMMENT can be used to provide an initial description of FILES.
279 Passes either `vc-cvs-register-switches' or `vc-register-switches'
280 to the CVS command."
281 ;; Register the directories if needed.
282 (let (dirs)
283 (dolist (file files)
284 (and (not (vc-cvs-responsible-p file))
285 (vc-cvs-could-register file)
286 (push (directory-file-name (file-name-directory file)) dirs)))
287 (if dirs (vc-cvs-register dirs)))
288 (apply 'vc-cvs-command nil 0 files
289 "add"
290 (and comment (string-match "[^\t\n ]" comment)
291 (concat "-m" comment))
292 (vc-switches 'CVS 'register)))
294 (defun vc-cvs-responsible-p (file)
295 "Return non-nil if CVS thinks it is responsible for FILE."
296 (file-directory-p (expand-file-name "CVS"
297 (if (file-directory-p file)
298 file
299 (file-name-directory file)))))
301 (defun vc-cvs-could-register (file)
302 "Return non-nil if FILE could be registered in CVS.
303 This is only possible if CVS is managing FILE's directory or one of
304 its parents."
305 (let ((dir file))
306 (while (and (stringp dir)
307 (not (equal dir (setq dir (file-name-directory dir))))
308 dir)
309 (setq dir (if (file-exists-p
310 (expand-file-name "CVS/Entries" dir))
312 (directory-file-name dir))))
313 (eq dir t)))
315 (defun vc-cvs-checkin (files rev comment)
316 "CVS-specific version of `vc-backend-checkin'."
317 (unless (or (not rev) (vc-cvs-valid-revision-number-p rev))
318 (if (not (vc-cvs-valid-symbolic-tag-name-p rev))
319 (error "%s is not a valid symbolic tag name" rev)
320 ;; If the input revison is a valid symbolic tag name, we create it
321 ;; as a branch, commit and switch to it.
322 (apply 'vc-cvs-command nil 0 files "tag" "-b" (list rev))
323 (apply 'vc-cvs-command nil 0 files "update" "-r" (list rev))
324 (mapc (lambda (file) (vc-file-setprop file 'vc-cvs-sticky-tag rev))
325 files)))
326 (let ((status (apply 'vc-cvs-command nil 1 files
327 "ci" (if rev (concat "-r" rev))
328 (concat "-m" comment)
329 (vc-switches 'CVS 'checkin))))
330 (set-buffer "*vc*")
331 (goto-char (point-min))
332 (when (not (zerop status))
333 ;; Check checkin problem.
334 (cond
335 ((re-search-forward "Up-to-date check failed" nil t)
336 (mapc (lambda (file) (vc-file-setprop file 'vc-state 'needs-merge))
337 files)
338 (error "%s" (substitute-command-keys
339 (concat "Up-to-date check failed: "
340 "type \\[vc-next-action] to merge in changes"))))
342 (pop-to-buffer (current-buffer))
343 (goto-char (point-min))
344 (shrink-window-if-larger-than-buffer)
345 (error "Check-in failed"))))
346 ;; Single-file commit? Then update the revision by parsing the buffer.
347 ;; Otherwise we can't necessarily tell what goes with what; clear
348 ;; its properties so they have to be refetched.
349 (if (= (length files) 1)
350 (vc-file-setprop
351 (car files) 'vc-working-revision
352 (vc-parse-buffer "^\\(new\\|initial\\) revision: \\([0-9.]+\\)" 2))
353 (mapc 'vc-file-clearprops files))
354 ;; Anyway, forget the checkout model of the file, because we might have
355 ;; guessed wrong when we found the file. After commit, we can
356 ;; tell it from the permissions of the file (see
357 ;; vc-cvs-checkout-model).
358 (mapc (lambda (file) (vc-file-setprop file 'vc-checkout-model nil))
359 files)
361 ;; if this was an explicit check-in (does not include creation of
362 ;; a branch), remove the sticky tag.
363 (if (and rev (not (vc-cvs-valid-symbolic-tag-name-p rev)))
364 (vc-cvs-command nil 0 files "update" "-A"))))
366 (defun vc-cvs-find-revision (file rev buffer)
367 (apply 'vc-cvs-command
368 buffer 0 file
369 "-Q" ; suppress diagnostic output
370 "update"
371 (and rev (not (string= rev ""))
372 (concat "-r" rev))
373 "-p"
374 (vc-switches 'CVS 'checkout)))
376 (defun vc-cvs-checkout (file &optional editable rev)
377 "Checkout a revision of FILE into the working area.
378 EDITABLE non-nil means that the file should be writable.
379 REV is the revision to check out."
380 (message "Checking out %s..." file)
381 ;; Change buffers to get local value of vc-checkout-switches.
382 (with-current-buffer (or (get-file-buffer file) (current-buffer))
383 (if (and (file-exists-p file) (not rev))
384 ;; If no revision was specified, just make the file writable
385 ;; if necessary (using `cvs-edit' if requested).
386 (and editable (not (eq (vc-cvs-checkout-model (list file)) 'implicit))
387 (if vc-cvs-use-edit
388 (vc-cvs-command nil 0 file "edit")
389 (set-file-modes file (logior (file-modes file) 128))
390 (if (equal file buffer-file-name) (toggle-read-only -1))))
391 ;; Check out a particular revision (or recreate the file).
392 (vc-file-setprop file 'vc-working-revision nil)
393 (apply 'vc-cvs-command nil 0 file
394 (and editable "-w")
395 "update"
396 (when rev
397 (unless (eq rev t)
398 ;; default for verbose checkout: clear the
399 ;; sticky tag so that the actual update will
400 ;; get the head of the trunk
401 (if (string= rev "")
402 "-A"
403 (concat "-r" rev))))
404 (vc-switches 'CVS 'checkout)))
405 (vc-mode-line file 'CVS))
406 (message "Checking out %s...done" file))
408 (defun vc-cvs-delete-file (file)
409 (vc-cvs-command nil 0 file "remove" "-f"))
411 (defun vc-cvs-revert (file &optional contents-done)
412 "Revert FILE to the working revision on which it was based."
413 (vc-default-revert 'CVS file contents-done)
414 (unless (eq (vc-cvs-checkout-model (list file)) 'implicit)
415 (if vc-cvs-use-edit
416 (vc-cvs-command nil 0 file "unedit")
417 ;; Make the file read-only by switching off all w-bits
418 (set-file-modes file (logand (file-modes file) 3950)))))
420 (defun vc-cvs-merge (file first-revision &optional second-revision)
421 "Merge changes into current working copy of FILE.
422 The changes are between FIRST-REVISION and SECOND-REVISION."
423 (vc-cvs-command nil 0 file
424 "update" "-kk"
425 (concat "-j" first-revision)
426 (concat "-j" second-revision))
427 (vc-file-setprop file 'vc-state 'edited)
428 (with-current-buffer (get-buffer "*vc*")
429 (goto-char (point-min))
430 (if (re-search-forward "conflicts during merge" nil t)
431 (progn
432 (vc-file-setprop file 'vc-state 'conflict)
433 ;; signal error
435 (vc-file-setprop file 'vc-state 'edited)
436 ;; signal success
437 0)))
439 (defun vc-cvs-merge-news (file)
440 "Merge in any new changes made to FILE."
441 (message "Merging changes into %s..." file)
442 ;; (vc-file-setprop file 'vc-working-revision nil)
443 (vc-file-setprop file 'vc-checkout-time 0)
444 (vc-cvs-command nil nil file "update")
445 ;; Analyze the merge result reported by CVS, and set
446 ;; file properties accordingly.
447 (with-current-buffer (get-buffer "*vc*")
448 (goto-char (point-min))
449 ;; get new working revision
450 (if (re-search-forward
451 "^Merging differences between [0-9.]* and \\([0-9.]*\\) into" nil t)
452 (vc-file-setprop file 'vc-working-revision (match-string 1))
453 (vc-file-setprop file 'vc-working-revision nil))
454 ;; get file status
455 (prog1
456 (if (eq (buffer-size) 0)
457 0 ;; there were no news; indicate success
458 (if (re-search-forward
459 (concat "^\\([CMUP] \\)?"
460 (regexp-quote
461 (substring file (length default-directory)))
462 "\\( already contains the differences between \\)?")
463 nil t)
464 (cond
465 ;; Merge successful, we are in sync with repository now
466 ((or (match-string 2)
467 (string= (match-string 1) "U ")
468 (string= (match-string 1) "P "))
469 (vc-file-setprop file 'vc-state 'up-to-date)
470 (vc-file-setprop file 'vc-checkout-time
471 (nth 5 (file-attributes file)))
472 0);; indicate success to the caller
473 ;; Merge successful, but our own changes are still in the file
474 ((string= (match-string 1) "M ")
475 (vc-file-setprop file 'vc-state 'edited)
476 0);; indicate success to the caller
477 ;; Conflicts detected!
479 (vc-file-setprop file 'vc-state 'conflict)
480 1);; signal the error to the caller
482 (pop-to-buffer "*vc*")
483 (error "Couldn't analyze cvs update result")))
484 (message "Merging changes into %s...done" file))))
486 (defun vc-cvs-modify-change-comment (files rev comment)
487 "Modify the change comments for FILES on a specified REV.
488 Will fail unless you have administrative privileges on the repo."
489 (vc-cvs-command nil 0 files "admin" (concat "-m" rev ":" comment)))
492 ;;; History functions
495 (defun vc-cvs-print-log (files &optional buffer)
496 "Get change logs associated with FILES."
497 ;; It's just the catenation of the individual logs.
498 (vc-cvs-command
499 buffer
500 (if (vc-stay-local-p files 'CVS) 'async 0)
501 files "log"))
503 (defun vc-cvs-comment-history (file)
504 "Get comment history of a file."
505 (vc-call-backend 'RCS 'comment-history file))
507 (defun vc-cvs-diff (files &optional oldvers newvers buffer)
508 "Get a difference report using CVS between two revisions of FILE."
509 (let* ((async (and (not vc-disable-async-diff)
510 (vc-stay-local-p files 'CVS)))
511 (invoke-cvs-diff-list nil)
512 status)
513 ;; Look through the file list and see if any files have backups
514 ;; that can be used to do a plain "diff" instead of "cvs diff".
515 (dolist (file files)
516 (let ((ov oldvers)
517 (nv newvers))
518 (when (or (not ov) (string-equal ov ""))
519 (setq ov (vc-working-revision file)))
520 (when (string-equal nv "")
521 (setq nv nil))
522 (let ((file-oldvers (vc-version-backup-file file ov))
523 (file-newvers (if (not nv)
524 file
525 (vc-version-backup-file file nv)))
526 (coding-system-for-read (vc-coding-system-for-diff file)))
527 (if (and file-oldvers file-newvers)
528 (progn
529 ;; This used to append diff-switches and vc-diff-switches,
530 ;; which was consistent with the vc-diff-switches doc at that
531 ;; time, but not with the actual behavior of any other VC diff.
532 (apply 'vc-do-command (or buffer "*vc-diff*") 1 "diff" nil
533 ;; Not a CVS diff, does not use vc-cvs-diff-switches.
534 (append (vc-switches nil 'diff)
535 (list (file-relative-name file-oldvers)
536 (file-relative-name file-newvers))))
537 (setq status 0))
538 (push file invoke-cvs-diff-list)))))
539 (when invoke-cvs-diff-list
540 (setq status (apply 'vc-cvs-command (or buffer "*vc-diff*")
541 (if async 'async 1)
542 invoke-cvs-diff-list "diff"
543 (and oldvers (concat "-r" oldvers))
544 (and newvers (concat "-r" newvers))
545 (vc-switches 'CVS 'diff))))
546 (if async 1 status))) ; async diff, pessimistic assumption
548 (defconst vc-cvs-annotate-first-line-re "^[0-9]")
550 (defun vc-cvs-annotate-process-filter (process string)
551 (setq string (concat (process-get process 'output) string))
552 (if (not (string-match vc-cvs-annotate-first-line-re string))
553 ;; Still waiting for the first real line.
554 (process-put process 'output string)
555 (let ((vc-filter (process-get process 'vc-filter)))
556 (set-process-filter process vc-filter)
557 (funcall vc-filter process (substring string (match-beginning 0))))))
559 (defun vc-cvs-annotate-command (file buffer &optional revision)
560 "Execute \"cvs annotate\" on FILE, inserting the contents in BUFFER.
561 Optional arg REVISION is a revision to annotate from."
562 (vc-cvs-command buffer
563 (if (vc-stay-local-p file 'CVS)
564 'async 0)
565 file "annotate"
566 (if revision (concat "-r" revision)))
567 ;; Strip the leading few lines.
568 (let ((proc (get-buffer-process buffer)))
569 (if proc
570 ;; If running asynchronously, use a process filter.
571 (progn
572 (process-put proc 'vc-filter (process-filter proc))
573 (set-process-filter proc 'vc-cvs-annotate-process-filter))
574 (with-current-buffer buffer
575 (goto-char (point-min))
576 (re-search-forward vc-cvs-annotate-first-line-re)
577 (delete-region (point-min) (1- (point)))))))
579 (declare-function vc-annotate-convert-time "vc-annotate" (time))
581 (defun vc-cvs-annotate-current-time ()
582 "Return the current time, based at midnight of the current day, and
583 encoded as fractional days."
584 (vc-annotate-convert-time
585 (apply 'encode-time 0 0 0 (nthcdr 3 (decode-time (current-time))))))
587 (defun vc-cvs-annotate-time ()
588 "Return the time of the next annotation (as fraction of days)
589 systime, or nil if there is none."
590 (let* ((bol (point))
591 (cache (get-text-property bol 'vc-cvs-annotate-time))
592 (inhibit-read-only t)
593 (inhibit-modification-hooks t))
594 (cond
595 (cache)
596 ((looking-at
597 "^\\S-+\\s-+\\S-+\\s-+\\([0-9]+\\)-\\(\\sw+\\)-\\([0-9]+\\)): ")
598 (let ((day (string-to-number (match-string 1)))
599 (month (cdr (assq (intern (match-string 2))
600 '((Jan . 1) (Feb . 2) (Mar . 3)
601 (Apr . 4) (May . 5) (Jun . 6)
602 (Jul . 7) (Aug . 8) (Sep . 9)
603 (Oct . 10) (Nov . 11) (Dec . 12)))))
604 (year (let ((tmp (string-to-number (match-string 3))))
605 ;; Years 0..68 are 2000..2068.
606 ;; Years 69..99 are 1969..1999.
607 (+ (cond ((> 69 tmp) 2000)
608 ((> 100 tmp) 1900)
609 (t 0))
610 tmp))))
611 (put-text-property
612 bol (1+ bol) 'vc-cvs-annotate-time
613 (setq cache (cons
614 ;; Position at end makes for nicer overlay result.
615 ;; Don't put actual buffer pos here, but only relative
616 ;; distance, so we don't ever move backward in the
617 ;; goto-char below, even if the text is moved.
618 (- (match-end 0) (match-beginning 0))
619 (vc-annotate-convert-time
620 (encode-time 0 0 0 day month year))))))))
621 (when cache
622 (goto-char (+ bol (car cache))) ; Fontify from here to eol.
623 (cdr cache)))) ; days (float)
625 (defun vc-cvs-annotate-extract-revision-at-line ()
626 (save-excursion
627 (beginning-of-line)
628 (if (re-search-forward "^\\([0-9]+\\.[0-9]+\\(\\.[0-9]+\\)*\\) +("
629 (line-end-position) t)
630 (match-string-no-properties 1)
631 nil)))
634 ;;; Tag system
637 (defun vc-cvs-create-tag (dir name branchp)
638 "Assign to DIR's current revision a given NAME.
639 If BRANCHP is non-nil, the name is created as a branch (and the current
640 workspace is immediately moved to that new branch)."
641 (vc-cvs-command nil 0 dir "tag" "-c" (if branchp "-b") name)
642 (when branchp (vc-cvs-command nil 0 dir "update" "-r" name)))
644 (defun vc-cvs-retrieve-tag (dir name update)
645 "Retrieve a tag at and below DIR.
646 NAME is the name of the tag; if it is empty, do a `cvs update'.
647 If UPDATE is non-nil, then update (resynch) any affected buffers."
648 (with-current-buffer (get-buffer-create "*vc*")
649 (let ((default-directory dir)
650 (sticky-tag))
651 (erase-buffer)
652 (if (or (not name) (string= name ""))
653 (vc-cvs-command t 0 nil "update")
654 (vc-cvs-command t 0 nil "update" "-r" name)
655 (setq sticky-tag name))
656 (when update
657 (goto-char (point-min))
658 (while (not (eobp))
659 (if (looking-at "\\([CMUP]\\) \\(.*\\)")
660 (let* ((file (expand-file-name (match-string 2) dir))
661 (state (match-string 1))
662 (buffer (find-buffer-visiting file)))
663 (when buffer
664 (cond
665 ((or (string= state "U")
666 (string= state "P"))
667 (vc-file-setprop file 'vc-state 'up-to-date)
668 (vc-file-setprop file 'vc-working-revision nil)
669 (vc-file-setprop file 'vc-checkout-time
670 (nth 5 (file-attributes file))))
671 ((or (string= state "M")
672 (string= state "C"))
673 (vc-file-setprop file 'vc-state 'edited)
674 (vc-file-setprop file 'vc-working-revision nil)
675 (vc-file-setprop file 'vc-checkout-time 0)))
676 (vc-file-setprop file 'vc-cvs-sticky-tag sticky-tag)
677 (vc-resynch-buffer file t t))))
678 (forward-line 1))))))
682 ;;; Miscellaneous
685 (defun vc-cvs-make-version-backups-p (file)
686 "Return non-nil if version backups should be made for FILE."
687 (vc-stay-local-p file 'CVS))
689 (defun vc-cvs-check-headers ()
690 "Check if the current file has any headers in it."
691 (save-excursion
692 (goto-char (point-min))
693 (re-search-forward "\\$[A-Za-z\300-\326\330-\366\370-\377]+\
694 \\(: [\t -#%-\176\240-\377]*\\)?\\$" nil t)))
698 ;;; Internal functions
701 (defun vc-cvs-command (buffer okstatus files &rest flags)
702 "A wrapper around `vc-do-command' for use in vc-cvs.el.
703 The difference to vc-do-command is that this function always invokes `cvs',
704 and that it passes `vc-cvs-global-switches' to it before FLAGS."
705 (apply 'vc-do-command (or buffer "*vc*") okstatus "cvs" files
706 (if (stringp vc-cvs-global-switches)
707 (cons vc-cvs-global-switches flags)
708 (append vc-cvs-global-switches
709 flags))))
711 (defun vc-cvs-stay-local-p (file) ;Back-compatibility.
712 (vc-stay-local-p file 'CVS))
714 (defun vc-cvs-repository-hostname (dirname)
715 "Hostname of the CVS server associated to workarea DIRNAME."
716 (let ((rootname (expand-file-name "CVS/Root" dirname)))
717 (when (file-readable-p rootname)
718 (with-temp-buffer
719 (let ((coding-system-for-read
720 (or file-name-coding-system
721 default-file-name-coding-system)))
722 (vc-insert-file rootname))
723 (goto-char (point-min))
724 (nth 2 (vc-cvs-parse-root
725 (buffer-substring (point)
726 (line-end-position))))))))
728 (defun vc-cvs-parse-uhp (path)
729 "parse user@host/path into (user@host /path)"
730 (if (string-match "\\([^/]+\\)\\(/.*\\)" path)
731 (list (match-string 1 path) (match-string 2 path))
732 (list nil path)))
734 (defun vc-cvs-parse-root (root)
735 "Split CVS ROOT specification string into a list of fields.
736 A CVS root specification of the form
737 [:METHOD:][[USER@]HOSTNAME]:?/path/to/repository
738 is converted to a normalized record with the following structure:
739 \(METHOD USER HOSTNAME CVS-ROOT).
740 The default METHOD for a CVS root of the form
741 /path/to/repository
742 is `local'.
743 The default METHOD for a CVS root of the form
744 [USER@]HOSTNAME:/path/to/repository
745 is `ext'.
746 For an empty string, nil is returned (invalid CVS root)."
747 ;; Split CVS root into colon separated fields (0-4).
748 ;; The `x:' makes sure, that leading colons are not lost;
749 ;; `HOST:/PATH' is then different from `:METHOD:/PATH'.
750 (let* ((root-list (cdr (split-string (concat "x:" root) ":")))
751 (len (length root-list))
752 ;; All syntactic varieties will get a proper METHOD.
753 (root-list
754 (cond
755 ((= len 0)
756 ;; Invalid CVS root
757 nil)
758 ((= len 1)
759 (let ((uhp (vc-cvs-parse-uhp (car root-list))))
760 (cons (if (car uhp) "ext" "local") uhp)))
761 ((= len 2)
762 ;; [USER@]HOST:PATH => method `ext'
763 (and (not (equal (car root-list) ""))
764 (cons "ext" root-list)))
765 ((= len 3)
766 ;; :METHOD:PATH or :METHOD:USER@HOSTNAME/PATH
767 (cons (cadr root-list)
768 (vc-cvs-parse-uhp (caddr root-list))))
770 ;; :METHOD:[USER@]HOST:PATH
771 (cdr root-list)))))
772 (if root-list
773 (let ((method (car root-list))
774 (uhost (or (cadr root-list) ""))
775 (root (nth 2 root-list))
776 user host)
777 ;; Split USER@HOST
778 (if (string-match "\\(.*\\)@\\(.*\\)" uhost)
779 (setq user (match-string 1 uhost)
780 host (match-string 2 uhost))
781 (setq host uhost))
782 ;; Remove empty HOST
783 (and (equal host "")
784 (setq host))
785 ;; Fix windows style CVS root `:local:C:\\project\\cvs\\some\\dir'
786 (and host
787 (equal method "local")
788 (setq root (concat host ":" root) host))
789 ;; Normalize CVS root record
790 (list method user host root)))))
792 ;; XXX: This does not work correctly for subdirectories. "cvs status"
793 ;; information is context sensitive, it contains lines like:
794 ;; cvs status: Examining DIRNAME
795 ;; and the file entries after that don't show the full path.
796 ;; Because of this VC directory listings only show changed files
797 ;; at the top level for CVS.
798 (defun vc-cvs-parse-status (&optional full)
799 "Parse output of \"cvs status\" command in the current buffer.
800 Set file properties accordingly. Unless FULL is t, parse only
801 essential information. Note that this can never set the 'ignored
802 state."
803 (let (file status missing)
804 (goto-char (point-min))
805 (while (looking-at "? \\(.*\\)")
806 (setq file (expand-file-name (match-string 1)))
807 (vc-file-setprop file 'vc-state 'unregistered)
808 (forward-line 1))
809 (when (re-search-forward "^File: " nil t)
810 (when (setq missing (looking-at "no file "))
811 (goto-char (match-end 0)))
812 (cond
813 ((re-search-forward "\\=\\([^ \t]+\\)" nil t)
814 (setq file (expand-file-name (match-string 1)))
815 (setq status(if (re-search-forward "\\=[ \t]+Status: \\(.*\\)" nil t)
816 (match-string 1) "Unknown"))
817 (when (and full
818 (re-search-forward
819 "\\(RCS Version\\|RCS Revision\\|Repository revision\\):\
820 \[\t ]+\\([0-9.]+\\)"
821 nil t))
822 (vc-file-setprop file 'vc-latest-revision (match-string 2)))
823 (vc-file-setprop
824 file 'vc-state
825 (cond
826 ((string-match "Up-to-date" status)
827 (vc-file-setprop file 'vc-checkout-time
828 (nth 5 (file-attributes file)))
829 'up-to-date)
830 ((string-match "Locally Modified" status) 'edited)
831 ((string-match "Needs Merge" status) 'needs-merge)
832 ((string-match "Needs \\(Checkout\\|Patch\\)" status)
833 (if missing 'missing 'needs-update))
834 ((string-match "Locally Added" status) 'added)
835 ((string-match "Locally Removed" status) 'removed)
836 ((string-match "File had conflicts " status) 'conflict)
837 ((string-match "Unknown" status) 'unregistered)
838 (t 'edited))))))))
840 (defun vc-cvs-after-dir-status (update-function)
841 ;; Heavily inspired by vc-cvs-parse-status. AKA a quick hack.
842 ;; This needs a lot of testing.
843 (let ((status nil)
844 (status-str nil)
845 (file nil)
846 (result nil)
847 (missing nil)
848 (ignore-next nil)
849 (subdir default-directory))
850 (goto-char (point-min))
851 (while
852 ;; Look for either a file entry, an unregistered file, or a
853 ;; directory change.
854 (re-search-forward
855 "\\(^=+\n\\([^=c?\n].*\n\\|\n\\)+\\)\\|\\(\\(^?? .*\n\\)+\\)\\|\\(^cvs status: \\(Examining\\|nothing\\) .*\n\\)"
856 nil t)
857 ;; FIXME: get rid of narrowing here.
858 (narrow-to-region (match-beginning 0) (match-end 0))
859 (goto-char (point-min))
860 ;; The subdir
861 (when (looking-at "cvs status: Examining \\(.+\\)")
862 (setq subdir (expand-file-name (match-string 1))))
863 ;; Unregistered files
864 (while (looking-at "? \\(.*\\)")
865 (setq file (file-relative-name
866 (expand-file-name (match-string 1) subdir)))
867 (push (list file 'unregistered) result)
868 (forward-line 1))
869 (when (looking-at "cvs status: nothing known about")
870 ;; We asked about a non existent file. The output looks like this:
872 ;; cvs status: nothing known about `lisp/v.diff'
873 ;; ===================================================================
874 ;; File: no file v.diff Status: Unknown
876 ;; Working revision: No entry for v.diff
877 ;; Repository revision: No revision control file
880 ;; Due to narrowing in this iteration we only see the "cvs
881 ;; status:" line, so just set a flag so that we can ignore the
882 ;; file in the next iteration.
883 (setq ignore-next t))
884 ;; A file entry.
885 (when (re-search-forward "^File: \\(no file \\)?\\(.*[^ \t]\\)[ \t]+Status: \\(.*\\)" nil t)
886 (setq missing (match-string 1))
887 (setq file (file-relative-name
888 (expand-file-name (match-string 2) subdir)))
889 (setq status-str (match-string 3))
890 (setq status
891 (cond
892 ((string-match "Up-to-date" status-str) 'up-to-date)
893 ((string-match "Locally Modified" status-str) 'edited)
894 ((string-match "Needs Merge" status-str) 'needs-merge)
895 ((string-match "Needs \\(Checkout\\|Patch\\)" status-str)
896 (if missing 'missing 'needs-update))
897 ((string-match "Locally Added" status-str) 'added)
898 ((string-match "Locally Removed" status-str) 'removed)
899 ((string-match "File had conflicts " status-str) 'conflict)
900 ((string-match "Unknown" status-str) 'unregistered)
901 (t 'edited)))
902 (if ignore-next
903 (setq ignore-next nil)
904 (unless (eq status 'up-to-date)
905 (push (list file status) result))))
906 (goto-char (point-max))
907 (widen))
908 (funcall update-function result))
909 ;; Alternative implementation: use the "update" command instead of
910 ;; the "status" command.
911 ;; (let ((result nil)
912 ;; (translation '((?? . unregistered)
913 ;; (?A . added)
914 ;; (?C . conflict)
915 ;; (?M . edited)
916 ;; (?P . needs-merge)
917 ;; (?R . removed)
918 ;; (?U . needs-update))))
919 ;; (goto-char (point-min))
920 ;; (while (not (eobp))
921 ;; (if (looking-at "^[ACMPRU?] \\(.*\\)$")
922 ;; (push (list (match-string 1)
923 ;; (cdr (assoc (char-after) translation)))
924 ;; result)
925 ;; (cond
926 ;; ((looking-at "cvs update: warning: \\(.*\\) was lost")
927 ;; ;; Format is:
928 ;; ;; cvs update: warning: FILENAME was lost
929 ;; ;; U FILENAME
930 ;; (push (list (match-string 1) 'missing) result)
931 ;; ;; Skip the "U" line
932 ;; (forward-line 1))
933 ;; ((looking-at "cvs update: New directory `\\(.*\\)' -- ignored")
934 ;; (push (list (match-string 1) 'unregistered) result))))
935 ;; (forward-line 1))
936 ;; (funcall update-function result)))
939 ;; Based on vc-cvs-dir-state-heuristic from Emacs 22.
940 (defun vc-cvs-dir-status-heuristic (dir update-function &optional basedir)
941 "Find the CVS state of all files in DIR, using only local information."
942 (let (file basename status result dirlist)
943 (with-temp-buffer
944 (vc-cvs-get-entries dir)
945 (goto-char (point-min))
946 (while (not (eobp))
947 (if (looking-at "D/\\([^/]*\\)////")
948 (push (expand-file-name (match-string 1) dir) dirlist)
949 ;; CVS-removed files are not taken under VC control.
950 (when (looking-at "/\\([^/]*\\)/[^/-]")
951 (setq basename (match-string 1)
952 file (expand-file-name basename dir)
953 status (or (vc-file-getprop file 'vc-state)
954 (vc-cvs-parse-entry file t)))
955 (unless (eq status 'up-to-date)
956 (push (list (if basedir
957 (file-relative-name file basedir)
958 basename)
959 status) result))))
960 (forward-line 1)))
961 (dolist (subdir dirlist)
962 (setq result (append result
963 (vc-cvs-dir-status-heuristic subdir nil
964 (or basedir dir)))))
965 (if basedir result
966 (funcall update-function result))))
968 (defun vc-cvs-dir-status (dir update-function)
969 "Create a list of conses (file . state) for DIR."
970 ;; FIXME check all files in DIR instead?
971 (let ((local (vc-stay-local-p dir 'CVS)))
972 (if (and local (not (eq local 'only-file)))
973 (vc-cvs-dir-status-heuristic dir update-function)
974 (vc-cvs-command (current-buffer) 'async dir "-f" "status")
975 ;; Alternative implementation: use the "update" command instead of
976 ;; the "status" command.
977 ;; (vc-cvs-command (current-buffer) 'async
978 ;; (file-relative-name dir)
979 ;; "-f" "-n" "update" "-d" "-P")
980 (vc-exec-after
981 `(vc-cvs-after-dir-status (quote ,update-function))))))
983 (defun vc-cvs-dir-status-files (dir files default-state update-function)
984 "Create a list of conses (file . state) for DIR."
985 (apply 'vc-cvs-command (current-buffer) 'async dir "-f" "status" files)
986 (vc-exec-after
987 `(vc-cvs-after-dir-status (quote ,update-function))))
989 (defun vc-cvs-file-to-string (file)
990 "Read the content of FILE and return it as a string."
991 (condition-case nil
992 (with-temp-buffer
993 (insert-file-contents file)
994 (goto-char (point-min))
995 (buffer-substring (point) (point-max)))
996 (file-error nil)))
998 (defun vc-cvs-dir-extra-headers (dir)
999 "Extract and represent per-directory properties of a CVS working copy."
1000 (let ((repo
1001 (condition-case nil
1002 (with-temp-buffer
1003 (insert-file-contents "CVS/Root")
1004 (goto-char (point-min))
1005 (and (looking-at ":ext:") (delete-char 5))
1006 (concat (buffer-substring (point) (1- (point-max))) "\n"))
1007 (file-error nil)))
1008 (module
1009 (condition-case nil
1010 (with-temp-buffer
1011 (insert-file-contents "CVS/Repository")
1012 (goto-char (point-min))
1013 (skip-chars-forward "^\n")
1014 (concat (buffer-substring (point-min) (point)) "\n"))
1015 (file-error nil))))
1016 (concat
1017 (cond (repo
1018 (concat (propertize "Repository : " 'face 'font-lock-type-face)
1019 (propertize repo 'face 'font-lock-variable-name-face)))
1020 (t ""))
1021 (cond (module
1022 (concat (propertize "Module : " 'face 'font-lock-type-face)
1023 (propertize module 'face 'font-lock-variable-name-face)))
1024 (t ""))
1025 (if (file-readable-p "CVS/Tag")
1026 (let ((tag (vc-cvs-file-to-string "CVS/Tag")))
1027 (cond
1028 ((string-match "\\`T" tag)
1029 (concat (propertize "Tag : " 'face 'font-lock-type-face)
1030 (propertize (substring tag 1)
1031 'face 'font-lock-variable-name-face)))
1032 ((string-match "\\`D" tag)
1033 (concat (propertize "Date : " 'face 'font-lock-type-face)
1034 (propertize (substring tag 1)
1035 'face 'font-lock-variable-name-face)))
1036 (t ""))))
1038 ;; In CVS, branch is a per-file property, not a per-directory property.
1039 ;; We can't really do this here without making dangerous assumptions.
1040 ;;(propertize "Branch: " 'face 'font-lock-type-face)
1041 ;;(propertize "ADD CODE TO PRINT THE BRANCH NAME\n"
1042 ;; 'face 'font-lock-warning-face)
1045 (defun vc-cvs-get-entries (dir)
1046 "Insert the CVS/Entries file from below DIR into the current buffer.
1047 This function ensures that the correct coding system is used for that,
1048 which may not be the one that is used for the files' contents.
1049 CVS/Entries should only be accessed through this function."
1050 (let ((coding-system-for-read (or file-name-coding-system
1051 default-file-name-coding-system)))
1052 (vc-insert-file (expand-file-name "CVS/Entries" dir))))
1054 (defun vc-cvs-valid-symbolic-tag-name-p (tag)
1055 "Return non-nil if TAG is a valid symbolic tag name."
1056 ;; According to the CVS manual, a valid symbolic tag must start with
1057 ;; an uppercase or lowercase letter and can contain uppercase and
1058 ;; lowercase letters, digits, `-', and `_'.
1059 (and (string-match "^[a-zA-Z]" tag)
1060 (not (string-match "[^a-z0-9A-Z-_]" tag))))
1062 (defun vc-cvs-valid-revision-number-p (tag)
1063 "Return non-nil if TAG is a valid revision number."
1064 (and (string-match "^[0-9]" tag)
1065 (not (string-match "[^0-9.]" tag))))
1067 (defun vc-cvs-parse-sticky-tag (match-type match-tag)
1068 "Parse and return the sticky tag as a string.
1069 `match-data' is protected."
1070 (let ((data (match-data))
1071 (tag)
1072 (type (cond ((string= match-type "D") 'date)
1073 ((string= match-type "T")
1074 (if (vc-cvs-valid-symbolic-tag-name-p match-tag)
1075 'symbolic-name
1076 'revision-number))
1077 (t nil))))
1078 (unwind-protect
1079 (progn
1080 (cond
1081 ;; Sticky Date tag. Convert to a proper date value (`encode-time')
1082 ((eq type 'date)
1083 (string-match
1084 "\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)"
1085 match-tag)
1086 (let* ((year-tmp (string-to-number (match-string 1 match-tag)))
1087 (month (string-to-number (match-string 2 match-tag)))
1088 (day (string-to-number (match-string 3 match-tag)))
1089 (hour (string-to-number (match-string 4 match-tag)))
1090 (min (string-to-number (match-string 5 match-tag)))
1091 (sec (string-to-number (match-string 6 match-tag)))
1092 ;; Years 0..68 are 2000..2068.
1093 ;; Years 69..99 are 1969..1999.
1094 (year (+ (cond ((> 69 year-tmp) 2000)
1095 ((> 100 year-tmp) 1900)
1096 (t 0))
1097 year-tmp)))
1098 (setq tag (encode-time sec min hour day month year))))
1099 ;; Sticky Tag name or revision number
1100 ((eq type 'symbolic-name) (setq tag match-tag))
1101 ((eq type 'revision-number) (setq tag match-tag))
1102 ;; Default is no sticky tag at all
1103 (t nil))
1104 (cond ((eq vc-cvs-sticky-tag-display nil) nil)
1105 ((eq vc-cvs-sticky-tag-display t)
1106 (cond ((eq type 'date) (format-time-string
1107 vc-cvs-sticky-date-format-string
1108 tag))
1109 ((eq type 'symbolic-name) tag)
1110 ((eq type 'revision-number) tag)
1111 (t nil)))
1112 ((functionp vc-cvs-sticky-tag-display)
1113 (funcall vc-cvs-sticky-tag-display tag type))
1114 (t nil)))
1116 (set-match-data data))))
1118 (defun vc-cvs-parse-entry (file &optional set-state)
1119 "Parse a line from CVS/Entries.
1120 Compare modification time to that of the FILE, set file properties
1121 accordingly. However, `vc-state' is set only if optional arg SET-STATE
1122 is non-nil."
1123 (cond
1124 ;; entry for a "locally added" file (not yet committed)
1125 ((looking-at "/[^/]+/0/")
1126 (vc-file-setprop file 'vc-checkout-time 0)
1127 (vc-file-setprop file 'vc-working-revision "0")
1128 (if set-state (vc-file-setprop file 'vc-state 'added)))
1129 ;; normal entry
1130 ((looking-at
1131 (concat "/[^/]+"
1132 ;; revision
1133 "/\\([^/]*\\)"
1134 ;; timestamp and optional conflict field
1135 "/\\([^/]*\\)/"
1136 ;; options
1137 "\\([^/]*\\)/"
1138 ;; sticky tag
1139 "\\(.\\|\\)" ;Sticky tag type (date or tag name, could be empty)
1140 "\\(.*\\)")) ;Sticky tag
1141 (vc-file-setprop file 'vc-working-revision (match-string 1))
1142 (vc-file-setprop file 'vc-cvs-sticky-tag
1143 (vc-cvs-parse-sticky-tag (match-string 4)
1144 (match-string 5)))
1145 ;; Compare checkout time and modification time.
1146 ;; This is intentionally different from the algorithm that CVS uses
1147 ;; (which is based on textual comparison), because there can be problems
1148 ;; generating a time string that looks exactly like the one from CVS.
1149 (let ((mtime (nth 5 (file-attributes file))))
1150 (require 'parse-time)
1151 (let ((parsed-time
1152 (parse-time-string (concat (match-string 2) " +0000"))))
1153 (cond ((and (not (string-match "\\+" (match-string 2)))
1154 (car parsed-time)
1155 (equal mtime (apply 'encode-time parsed-time)))
1156 (vc-file-setprop file 'vc-checkout-time mtime)
1157 (if set-state (vc-file-setprop file 'vc-state 'up-to-date)))
1159 (vc-file-setprop file 'vc-checkout-time 0)
1160 (if set-state (vc-file-setprop file 'vc-state 'edited)))))))))
1162 ;; Completion of revision names.
1163 ;; Just so I don't feel like I'm duplicating code from pcl-cvs, I'll use
1164 ;; `cvs log' so I can list all the revision numbers rather than only
1165 ;; tag names.
1167 (defun vc-cvs-revision-table (file)
1168 (let ((default-directory (file-name-directory file))
1169 (res nil))
1170 (with-temp-buffer
1171 (vc-cvs-command t nil file "log")
1172 (goto-char (point-min))
1173 (when (re-search-forward "^symbolic names:\n" nil t)
1174 (while (looking-at "^ \\(.*\\): \\(.*\\)")
1175 (push (cons (match-string 1) (match-string 2)) res)
1176 (forward-line 1)))
1177 (while (re-search-forward "^revision \\([0-9.]+\\)" nil t)
1178 (push (match-string 1) res))
1179 res)))
1181 (defun vc-cvs-revision-completion-table (files)
1182 (lexical-let ((files files)
1183 table)
1184 (setq table (lazy-completion-table
1185 table (lambda () (vc-cvs-revision-table (car files)))))
1186 table))
1189 (provide 'vc-cvs)
1191 ;; arch-tag: 60e1402a-aa53-4607-927a-cf74f144b432
1192 ;;; vc-cvs.el ends here