1 ;;; vc-cvs.el --- non-resident support for CVS version-control
3 ;; Copyright (C) 1995,98,99,2000,2001 Free Software Foundation, Inc.
5 ;; Author: FSF (see vc.el for full credits)
6 ;; Maintainer: Andre Spiegel <spiegel@gnu.org>
8 ;; $Id: vc-cvs.el,v 1.22 2001/04/17 05:59:57 eliz Exp $
10 ;; This file is part of GNU Emacs.
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)
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.
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.
35 ;;; Customization options
38 (defcustom vc-cvs-register-switches nil
39 "*Extra switches for registering a file into CVS.
40 A string or list of strings passed to the checkin program by
42 :type
'(choice (const :tag
"None" nil
)
43 (string :tag
"Argument String")
44 (repeat :tag
"Argument List"
50 (defcustom vc-cvs-diff-switches nil
51 "*A string or list of strings specifying extra switches for cvs diff under VC."
52 :type
'(choice (const :tag
"None" nil
)
53 (string :tag
"Argument String")
54 (repeat :tag
"Argument List"
60 (defcustom vc-cvs-header
(or (cdr (assoc 'CVS vc-header-alist
)) '("\$Id\$"))
61 "*Header keywords to be inserted by `vc-insert-headers'."
63 :type
'(repeat string
)
66 (defcustom vc-cvs-use-edit t
67 "*Non-nil means to use `cvs edit' to \"check out\" a file.
68 This is only meaningful if you don't use the implicit checkout model
69 \(i.e. if you have $CVSREAD set)."
74 (defcustom vc-cvs-stay-local t
75 "*Non-nil means use local operations when possible for remote repositories.
76 This avoids slow queries over the network and instead uses heuristics
77 and past information to determine the current status of a file.
78 The value can also be a regular expression to match against the host name
79 of a repository; then VC only stays local for hosts that match it."
80 :type
'(choice (const :tag
"Always stay local" t
)
81 (string :tag
"Host regexp")
82 (const :tag
"Don't stay local" nil
))
88 ;;; Internal variables
91 (defvar vc-cvs-local-month-numbers
92 '(("Jan" .
1) ("Feb" .
2) ("Mar" .
3) ("Apr" .
4)
93 ("May" .
5) ("Jun" .
6) ("Jul" .
7) ("Aug" .
8)
94 ("Sep" .
9) ("Oct" .
10) ("Nov" .
11) ("Dec" .
12))
95 "Local association list of month numbers.")
99 ;;; State-querying functions
102 ;;;###autoload (defun vc-cvs-registered (f)
103 ;;;###autoload (when (file-readable-p (expand-file-name
104 ;;;###autoload "CVS/Entries" (file-name-directory f)))
105 ;;;###autoload (require 'vc-cvs)
106 ;;;###autoload (vc-cvs-registered f)))
108 (defun vc-cvs-registered (file)
109 "Check if FILE is CVS registered."
110 (let ((dirname (or (file-name-directory file
) ""))
111 (basename (file-name-nondirectory file
))
112 ;; make sure that the file name is searched case-sensitively
113 (case-fold-search nil
))
114 (if (file-readable-p (expand-file-name "CVS/Entries" dirname
))
116 (vc-insert-file (expand-file-name "CVS/Entries" dirname
))
117 (goto-char (point-min))
120 (concat "^/" (regexp-quote basename
) "/") nil t
)
122 (vc-cvs-parse-entry file
)
127 (defun vc-cvs-state (file)
128 "CVS-specific version of `vc-state'."
129 (if (vc-cvs-stay-local-p file
)
130 (let ((state (vc-file-getprop file
'vc-state
)))
131 ;; If we should stay local, use the heuristic but only if
132 ;; we don't have a more precise state already available.
133 (if (memq state
'(up-to-date edited
))
134 (vc-cvs-state-heuristic file
)
137 (cd (file-name-directory file
))
138 (vc-do-command t
0 "cvs" file
"status")
139 (vc-cvs-parse-status t
))))
141 (defun vc-cvs-state-heuristic (file)
142 "CVS-specific state heuristic."
143 ;; If the file has not changed since checkout, consider it `up-to-date'.
144 ;; Otherwise consider it `edited'.
145 (let ((checkout-time (vc-file-getprop file
'vc-checkout-time
))
146 (lastmod (nth 5 (file-attributes file
))))
147 (if (equal checkout-time lastmod
)
151 (defun vc-cvs-dir-state (dir)
152 "Find the CVS state of all files in DIR."
153 (if (vc-cvs-stay-local-p dir
)
154 (vc-cvs-dir-state-heuristic dir
)
155 (let ((default-directory dir
))
156 ;; Don't specify DIR in this command, the default-directory is
157 ;; enough. Otherwise it might fail with remote repositories.
159 (vc-do-command t
0 "cvs" nil
"status" "-l")
160 (goto-char (point-min))
161 (while (re-search-forward "^=+\n\\([^=\n].*\n\\|\n\\)+" nil t
)
162 (narrow-to-region (match-beginning 0) (match-end 0))
163 (vc-cvs-parse-status)
164 (goto-char (point-max))
167 (defun vc-cvs-workfile-version (file)
168 "CVS-specific version of `vc-workfile-version'."
169 ;; There is no need to consult RCS headers under CVS, because we
170 ;; get the workfile version for free when we recognize that a file
171 ;; is registered in CVS.
172 (vc-cvs-registered file
)
173 (vc-file-getprop file
'vc-workfile-version
))
175 (defun vc-cvs-checkout-model (file)
176 "CVS-specific version of `vc-checkout-model'."
177 (if (or (getenv "CVSREAD")
178 ;; If the file is not writable (despite CVSREAD being
179 ;; undefined), this is probably because the file is being
180 ;; "watched" by other developers.
181 ;; (If vc-mistrust-permissions was t, we actually shouldn't
182 ;; trust this, but there is no other way to learn this from CVS
183 ;; at the moment (version 1.9).)
184 (string-match "r-..-..-." (nth 8 (file-attributes file
))))
188 (defun vc-cvs-mode-line-string (file)
189 "Return string for placement into the modeline for FILE.
190 Compared to the default implementation, this function handles the
191 special case of a CVS file that is added but not yet committed."
192 (let ((state (vc-state file
))
193 (rev (vc-workfile-version file
)))
194 (cond ((string= rev
"0")
195 ;; A file that is added but not yet committed.
197 ((or (eq state
'up-to-date
)
198 (eq state
'needs-patch
))
201 (concat "CVS:" state
":" rev
))
203 ;; Not just for the 'edited state, but also a fallback
204 ;; for all other states. Think about different symbols
205 ;; for 'needs-patch and 'needs-merge.
206 (concat "CVS:" rev
)))))
208 (defun vc-cvs-dired-state-info (file)
209 "CVS-specific version of `vc-dired-state-info'."
210 (let* ((cvs-state (vc-state file
))
211 (state (cond ((eq cvs-state
'edited
) "modified")
212 ((eq cvs-state
'needs-patch
) "patch")
213 ((eq cvs-state
'needs-merge
) "merge")
214 ;; FIXME: those two states cannot occur right now
215 ((eq cvs-state
'unlocked-changes
) "conflict")
216 ((eq cvs-state
'locally-added
) "added")
218 (if state
(concat "(" state
")"))))
222 ;;; State-changing functions
225 (defun vc-cvs-register (file &optional rev comment
)
226 "Register FILE into the CVS version-control system.
227 COMMENT can be used to provide an initial description of FILE.
229 `vc-register-switches' and `vc-cvs-register-switches' are passed to
230 the CVS command (in that order)."
231 (let ((switches (list
232 (if (stringp vc-register-switches
)
233 (list vc-register-switches
)
234 vc-register-switches
)
235 (if (stringp vc-cvs-register-switches
)
236 (list vc-cvs-register-switches
)
237 vc-cvs-register-switches
))))
239 (apply 'vc-do-command nil
0 "cvs" file
241 (and comment
(string-match "[^\t\n ]" comment
)
242 (concat "-m" comment
))
245 (defun vc-cvs-responsible-p (file)
246 "Return non-nil if CVS thinks it is responsible for FILE."
247 (file-directory-p (expand-file-name "CVS"
248 (if (file-directory-p file
)
250 (file-name-directory file
)))))
252 (defun vc-cvs-could-register (file)
253 "Return non-nil if FILE could be registered in CVS.
254 This is only possible if CVS is responsible for FILE's directory."
255 (vc-cvs-responsible-p file
))
257 (defun vc-cvs-checkin (file rev comment
)
258 "CVS-specific version of `vc-backend-checkin'."
259 (let ((switches (if (stringp vc-checkin-switches
)
260 (list vc-checkin-switches
)
261 vc-checkin-switches
))
263 ;; explicit check-in to the trunk requires a double check-in (first
264 ;; unexplicit) (CVS-1.3)
265 (if (and rev
(vc-trunk-p rev
))
266 (apply 'vc-do-command nil
1 "cvs" file
267 "ci" "-m" "intermediate"
269 (setq status
(apply 'vc-do-command nil
1 "cvs" file
270 "ci" (if rev
(concat "-r" rev
))
271 (concat "-m" comment
)
274 (goto-char (point-min))
275 (when (not (zerop status
))
276 ;; Check checkin problem.
278 ((re-search-forward "Up-to-date check failed" nil t
)
279 (vc-file-setprop file
'vc-state
'needs-merge
)
280 (error (substitute-command-keys
281 (concat "Up-to-date check failed: "
282 "type \\[vc-next-action] to merge in changes"))))
284 (pop-to-buffer (current-buffer))
285 (goto-char (point-min))
286 (shrink-window-if-larger-than-buffer)
287 (error "Check-in failed"))))
288 ;; Update file properties
290 file
'vc-workfile-version
291 (vc-parse-buffer "^\\(new\\|initial\\) revision: \\([0-9.]+\\)" 2))
292 ;; Forget the checkout model of the file, because we might have
293 ;; guessed wrong when we found the file. After commit, we can
294 ;; tell it from the permissions of the file (see
295 ;; vc-cvs-checkout-model).
296 (vc-file-setprop file
'vc-checkout-model nil
)
297 ;; if this was an explicit check-in, remove the sticky tag
298 (if rev
(vc-do-command nil
0 "cvs" file
"update" "-A"))))
300 (defun vc-cvs-checkout (file &optional editable rev workfile
)
301 "Retrieve a revision of FILE into a WORKFILE.
302 EDITABLE non-nil means that the file should be writable.
303 REV is the revision to check out into WORKFILE."
304 (let ((filename (or workfile file
))
305 (file-buffer (get-file-buffer file
))
307 (message "Checking out %s..." filename
)
309 ;; Change buffers to get local value of vc-checkout-switches.
310 (if file-buffer
(set-buffer file-buffer
))
311 (setq switches
(if (stringp vc-checkout-switches
)
312 (list vc-checkout-switches
)
313 vc-checkout-switches
))
314 ;; Save this buffer's default-directory
315 ;; and use save-excursion to make sure it is restored
316 ;; in the same buffer it was saved in.
317 (let ((default-directory default-directory
))
319 ;; Adjust the default-directory so that the check-out creates
320 ;; the file in the right place.
321 (setq default-directory
(file-name-directory filename
))
324 (backup-name (if (string= file workfile
)
325 (car (find-backup-file-name filename
)))))
327 (copy-file filename backup-name
328 'ok-if-already-exists
'keep-date
)
329 (unless (file-writable-p filename
)
330 (set-file-modes filename
331 (logior (file-modes filename
) 128))))
334 (let ((coding-system-for-read 'no-conversion
)
335 (coding-system-for-write 'no-conversion
))
336 (with-temp-file filename
337 (apply 'vc-do-command
338 (current-buffer) 0 "cvs" file
339 "-Q" ; suppress diagnostic output
341 (and rev
(not (string= rev
""))
348 (rename-file backup-name filename
349 'ok-if-already-exists
)
350 (if (file-exists-p filename
)
351 (delete-file filename
)))
353 (not vc-make-backup-files
)
354 (delete-file backup-name
)))))
355 (if (and (file-exists-p file
) (not rev
))
356 ;; If no revision was specified, just make the file writable
357 ;; if necessary (using `cvs-edit' if requested).
358 (and editable
(not (eq (vc-cvs-checkout-model file
) 'implicit
))
360 (vc-do-command nil
0 "cvs" file
"edit")
361 (set-file-modes file
(logior (file-modes file
) 128))
362 (if file-buffer
(toggle-read-only -
1))))
363 ;; Check out a particular version (or recreate the file).
364 (vc-file-setprop file
'vc-workfile-version nil
)
365 (apply 'vc-do-command nil
0 "cvs" file
367 (or (not (file-exists-p file
))
368 (not (eq (vc-cvs-checkout-model file
)
372 ;; default for verbose checkout: clear the sticky tag so
373 ;; that the actual update will get the head of the trunk
374 (if (or (not rev
) (string= rev
""))
379 (message "Checking out %s...done" filename
)))))
381 (defun vc-cvs-revert (file)
382 "Revert FILE to the version it was based on."
383 ;; Check out via standard output (caused by the final argument
384 ;; FILE below), so that no sticky tag is set.
385 (vc-cvs-checkout file nil
(vc-workfile-version file
) file
)
386 ;; If "cvs edit" was used to make the file writable,
387 ;; call "cvs unedit" now to undo that.
388 (if (and (not (eq (vc-cvs-checkout-model file
) 'implicit
))
390 (vc-do-command nil
0 "cvs" file
"unedit")))
392 (defun vc-cvs-merge (file first-version
&optional second-version
)
393 "Merge changes into current working copy of FILE.
394 The changes are between FIRST-VERSION and SECOND-VERSION."
395 (vc-do-command nil
0 "cvs" file
397 (concat "-j" first-version
)
398 (concat "-j" second-version
))
399 (vc-file-setprop file
'vc-state
'edited
)
401 (set-buffer (get-buffer "*vc*"))
402 (goto-char (point-min))
403 (if (re-search-forward "conflicts during merge" nil t
)
405 0))) ; signal success
407 (defun vc-cvs-merge-news (file)
408 "Merge in any new changes made to FILE."
409 (message "Merging changes into %s..." file
)
411 ;; (vc-file-setprop file 'vc-workfile-version nil)
412 (vc-file-setprop file
'vc-checkout-time
0)
413 (vc-do-command nil
0 "cvs" file
"update")
414 ;; Analyze the merge result reported by CVS, and set
415 ;; file properties accordingly.
416 (set-buffer (get-buffer "*vc*"))
417 (goto-char (point-min))
418 ;; get new workfile version
419 (if (re-search-forward (concat "^Merging differences between "
420 "[01234567890.]* and "
421 "\\([01234567890.]*\\) into")
423 (vc-file-setprop file
'vc-workfile-version
(match-string 1))
424 (vc-file-setprop file
'vc-workfile-version nil
))
427 (if (eq (buffer-size) 0)
428 0 ;; there were no news; indicate success
429 (if (re-search-forward
430 (concat "^\\([CMUP] \\)?"
431 (regexp-quote (file-name-nondirectory file
))
432 "\\( already contains the differences between \\)?")
435 ;; Merge successful, we are in sync with repository now
436 ((or (match-string 2)
437 (string= (match-string 1) "U ")
438 (string= (match-string 1) "P "))
439 (vc-file-setprop file
'vc-state
'up-to-date
)
440 (vc-file-setprop file
'vc-checkout-time
441 (nth 5 (file-attributes file
)))
442 0);; indicate success to the caller
443 ;; Merge successful, but our own changes are still in the file
444 ((string= (match-string 1) "M ")
445 (vc-file-setprop file
'vc-state
'edited
)
446 0);; indicate success to the caller
447 ;; Conflicts detected!
449 (vc-file-setprop file
'vc-state
'edited
)
450 1);; signal the error to the caller
452 (pop-to-buffer "*vc*")
453 (error "Couldn't analyze cvs update result")))
454 (message "Merging changes into %s...done" file
))))
458 ;;; History functions
461 (defun vc-cvs-print-log (file)
462 "Get change log associated with FILE."
465 (if (and (vc-cvs-stay-local-p file
) (fboundp 'start-process
)) 'async
0)
468 (defun vc-cvs-show-log-entry (version)
469 (when (re-search-forward
470 ;; also match some context, for safety
471 (concat "----\nrevision " version
472 "\\(\tlocked by:.*\n\\|\n\\)date: ") nil t
)
473 ;; set the display window so that
474 ;; the whole log entry is displayed
475 (let (start end lines
)
476 (beginning-of-line) (forward-line -
1) (setq start
(point))
477 (if (not (re-search-forward "^----*\nrevision" nil t
))
478 (setq end
(point-max))
479 (beginning-of-line) (forward-line -
1) (setq end
(point)))
480 (setq lines
(count-lines start end
))
482 ;; if the global information and this log entry fit
483 ;; into the window, display from the beginning
484 ((< (count-lines (point-min) end
) (window-height))
485 (goto-char (point-min))
488 ;; if the whole entry fits into the window,
489 ;; display it centered
490 ((< (1+ lines
) (window-height))
492 (recenter (1- (- (/ (window-height) 2) (/ lines
2)))))
493 ;; otherwise (the entry is too large for the window),
494 ;; display from the start
499 (defun vc-cvs-diff (file &optional oldvers newvers
)
500 "Get a difference report using CVS between two versions of FILE."
501 (let (options status
(diff-switches-list (vc-diff-switches-list cvs
)))
502 (if (string= (vc-workfile-version file
) "0")
503 ;; This file is added but not yet committed; there is no master file.
504 (if (or oldvers newvers
)
505 (error "No revisions of %s exist" file
)
506 ;; we regard this as "changed".
507 ;; diff it against /dev/null.
508 (apply 'vc-do-command
"*vc-diff*"
510 (append diff-switches-list
'("/dev/null"))))
512 (apply 'vc-do-command
"*vc-diff*"
513 (if (and (vc-cvs-stay-local-p file
)
514 (fboundp 'start-process
))
518 (and oldvers
(concat "-r" oldvers
))
519 (and newvers
(concat "-r" newvers
))
521 (if (vc-cvs-stay-local-p file
)
522 1 ;; async diff, pessimistic assumption
525 (defun vc-cvs-annotate-command (file buffer
&optional version
)
526 "Execute \"cvs annotate\" on FILE, inserting the contents in BUFFER.
527 Optional arg VERSION is a version to annotate from."
528 (vc-do-command buffer
0 "cvs" file
"annotate" (if version
529 (concat "-r" version
))))
531 (defun vc-cvs-annotate-difference (point)
532 "Return the difference between the time of the line and the current time.
533 Return values are as defined for `current-time'."
534 ;; We need a list of months and their corresponding numbers.
535 (if (looking-at "^\\S-+\\s-+\\S-+\\s-+\\([0-9]+\\)-\\(\\sw+\\)-\\([0-9]+\\)): ")
537 (let* ((day (string-to-number (match-string 1)))
538 (month (cdr (assoc (match-string 2) vc-cvs-local-month-numbers
)))
539 (year-tmp (string-to-number (match-string 3)))
540 ;; Years 0..68 are 2000..2068.
541 ;; Years 69..99 are 1969..1999.
542 (year (+ (cond ((> 69 year-tmp
) 2000)
543 ((> 100 year-tmp
) 1900)
546 (goto-char (match-end 0)) ; Position at end makes for nicer overlay result
547 (- (car (current-time))
548 (car (encode-time 0 0 0 day month year
)))))
549 ;; If we did not look directly at an annotation, there might be
550 ;; some further down. This is the case if we are positioned at
551 ;; the very top of the buffer, for instance.
552 (if (re-search-forward
553 "^\\S-+\\s-+\\S-+\\s-+\\([0-9]+\\)-\\(\\sw+\\)-\\([0-9]+\\)): " nil t
)
555 (beginning-of-line nil
)
556 (vc-cvs-annotate-difference (point))))))
563 (defun vc-cvs-create-snapshot (dir name branchp
)
564 "Assign to DIR's current version a given NAME.
565 If BRANCHP is non-nil, the name is created as a branch (and the current
566 workspace is immediately moved to that new branch)."
567 (vc-do-command nil
0 "cvs" dir
"tag" "-c" (if branchp
"-b") name
)
568 (when branchp
(vc-do-command nil
0 "cvs" dir
"update" "-r" name
)))
570 (defun vc-cvs-retrieve-snapshot (dir name update
)
571 "Retrieve a snapshot at and below DIR.
572 NAME is the name of the snapshot; if it is empty, do a `cvs update'.
573 If UPDATE is non-nil, then update (resynch) any affected buffers."
574 (with-current-buffer (get-buffer-create "*vc*")
575 (let ((default-directory dir
))
577 (if (or (not name
) (string= name
""))
578 (vc-do-command t
0 "cvs" nil
"update")
579 (vc-do-command t
0 "cvs" nil
"update" "-r" name
))
581 (goto-char (point-min))
583 (if (looking-at "\\([CMUP]\\) \\(.*\\)")
584 (let* ((file (expand-file-name (match-string 2) dir
))
585 (state (match-string 1))
586 (buffer (find-buffer-visiting file
)))
589 ((or (string= state
"U")
591 (vc-file-setprop file
'vc-state
'up-to-date
)
592 (vc-file-setprop file
'vc-workfile-version nil
)
593 (vc-file-setprop file
'vc-checkout-time
594 (nth 5 (file-attributes file
))))
595 ((or (string= state
"M")
597 (vc-file-setprop file
'vc-state
'edited
)
598 (vc-file-setprop file
'vc-workfile-version nil
)
599 (vc-file-setprop file
'vc-checkout-time
0)))
600 (vc-resynch-buffer file t t
))))
601 (forward-line 1))))))
608 (defun vc-cvs-make-version-backups-p (file)
609 "Return non-nil if version backups should be made for FILE."
610 (vc-cvs-stay-local-p file
))
612 (defun vc-cvs-check-headers ()
613 "Check if the current file has any headers in it."
615 (goto-char (point-min))
616 (re-search-forward "\\$[A-Za-z\300-\326\330-\366\370-\377]+\
617 \\(: [\t -#%-\176\240-\377]*\\)?\\$" nil t
)))
621 ;;; Internal functions
624 (defun vc-cvs-stay-local-p (file)
625 "Return non-nil if VC should stay local when handling FILE."
626 (if vc-cvs-stay-local
627 (let* ((dirname (if (file-directory-p file
)
628 (directory-file-name file
)
629 (file-name-directory file
)))
631 (or (vc-file-getprop dirname
'vc-cvs-stay-local-p
)
632 (let ((rootname (expand-file-name "CVS/Root" dirname
)))
634 dirname
'vc-cvs-stay-local-p
635 (when (file-readable-p rootname
)
637 (vc-insert-file rootname
)
638 (goto-char (point-min))
639 (if (looking-at "\\([^:]*\\):")
640 (if (not (stringp vc-cvs-stay-local
))
642 (let ((hostname (match-string 1)))
643 (if (string-match vc-cvs-stay-local hostname
)
647 (if (eq prop
'yes
) t nil
))))
649 (defun vc-cvs-parse-status (&optional full
)
650 "Parse output of \"cvs status\" command in the current buffer.
651 Set file properties accordingly. Unless FULL is t, parse only
652 essential information."
654 (goto-char (point-min))
655 (if (re-search-forward "^File: " nil t
)
657 ((looking-at "no file") nil
)
658 ((re-search-forward "\\=\\([^ \t]+\\)" nil t
)
659 (setq file
(expand-file-name (match-string 1)))
660 (vc-file-setprop file
'vc-backend
'CVS
)
661 (if (not (re-search-forward "\\=[ \t]+Status: \\(.*\\)" nil t
))
662 (setq status
"Unknown")
663 (setq status
(match-string 1)))
666 "\\(RCS Version\\|RCS Revision\\|Repository revision\\):\
667 \[\t ]+\\([0-9.]+\\)"
669 (vc-file-setprop file
'vc-latest-version
(match-string 2)))
671 ((string-match "Up-to-date" status
)
672 (vc-file-setprop file
'vc-checkout-time
673 (nth 5 (file-attributes file
)))
675 ((string-match "Locally Modified" status
) 'edited
)
676 ((string-match "Needs Merge" status
) 'needs-merge
)
677 ((string-match "Needs \\(Checkout\\|Patch\\)" status
) 'needs-patch
)
680 (defun vc-cvs-dir-state-heuristic (dir)
681 "Find the CVS state of all files in DIR, using only local information."
683 (vc-insert-file (expand-file-name "CVS/Entries" dir
))
684 (goto-char (point-min))
686 (when (looking-at "/\\([^/]*\\)/")
687 (let ((file (expand-file-name (match-string 1) dir
)))
688 (unless (vc-file-getprop file
'vc-state
)
689 (vc-cvs-parse-entry file t
))))
692 (defun vc-cvs-parse-entry (file &optional set-state
)
693 "Parse a line from CVS/Entries.
694 Compare modification time to that of the FILE, set file properties
695 accordingly. However, `vc-state' is set only if optional arg SET-STATE
698 ;; entry for a "locally added" file (not yet committed)
699 ((looking-at "/[^/]+/0/")
700 (vc-file-setprop file
'vc-checkout-time
0)
701 (vc-file-setprop file
'vc-workfile-version
"0")
702 (if set-state
(vc-file-setprop file
'vc-state
'edited
)))
709 "/[A-Z][a-z][a-z]" ;; week day (irrelevant)
710 " \\([A-Z][a-z][a-z]\\)" ;; month name
711 " *\\([0-9]*\\)" ;; day of month
712 " \\([0-9]*\\):\\([0-9]*\\):\\([0-9]*\\)" ;; hms
713 " \\([0-9]*\\)" ;; year
714 ;; optional conflict field
716 (vc-file-setprop file
'vc-workfile-version
(match-string 1))
717 ;; compare checkout time and modification time
718 (let ((second (string-to-number (match-string 6)))
719 (minute (string-to-number (match-string 5)))
720 (hour (string-to-number (match-string 4)))
721 (day (string-to-number (match-string 3)))
722 (year (string-to-number (match-string 7)))
723 (month (/ (string-match
725 "xxxJanFebMarAprMayJunJulAugSepOctNovDec")
727 (mtime (nth 5 (file-attributes file
))))
729 (encode-time second minute hour day month year
0))
730 (vc-file-setprop file
'vc-checkout-time mtime
)
731 (if set-state
(vc-file-setprop file
'vc-state
'up-to-date
)))
733 (vc-file-setprop file
'vc-checkout-time
0)
734 (if set-state
(vc-file-setprop file
'vc-state
'edited
))))))
735 ;; entry with arbitrary text as timestamp
736 ;; (this means we should consider it modified)
741 ;; timestamp (arbitrary text)
743 ;; optional conflict field
745 (vc-file-setprop file
'vc-workfile-version
(match-string 1))
746 (vc-file-setprop file
'vc-checkout-time
0)
747 (if set-state
(vc-file-setprop file
'vc-state
'edited
)))))
751 ;;; vc-cvs.el ends here