1 ;;; gnus-start.el --- startup functions for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
30 (eval-when-compile (require 'static))
38 (autoload 'message-make-date "message")
40 (defcustom gnus-startup-file (nnheader-concat gnus-home-directory ".newsrc")
42 `.newsrc-SERVER' will be used instead if that exists."
46 (defcustom gnus-product-directory
47 (nnheader-concat gnus-directory (concat "." gnus-product-name))
48 "Product depend data files directory."
50 :type '(choice directory (const nil)))
52 (defcustom gnus-backup-startup-file 'never
53 "Whether to create backup files.
54 This variable takes the same values as the `version-control'
57 :type '(choice (const :tag "Never" never)
58 (const :tag "If existing" nil)
59 (other :tag "Always" t)))
61 (defcustom gnus-save-startup-file-via-temp-buffer t
62 "Whether to write the startup file contents to a buffer then save
63 the buffer or write directly to the file. The buffer is faster
64 because all of the contents are written at once. The direct write
65 uses considerably less memory."
67 :type '(choice (const :tag "Write via buffer" t)
68 (const :tag "Write directly to file" nil)))
70 (defcustom gnus-init-file (nnheader-concat gnus-home-directory ".gnus")
71 "Your Gnus Emacs-Lisp startup file name.
72 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
76 (defcustom gnus-site-init-file
78 (concat (file-name-directory
79 (directory-file-name installation-directory))
80 "site-lisp/gnus-init")
82 "The site-wide Gnus Emacs-Lisp startup file name, or nil if none.
83 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
85 :type '(choice file (const nil)))
87 (defcustom gnus-default-subscribed-newsgroups nil
88 "List of newsgroups to subscribe, when a user runs Gnus the first time.
89 The value should be a list of strings.
90 If it is t, Gnus will not do anything special the first time it is
91 started; it'll just use the normal newsgroups subscription methods."
93 :type '(choice (repeat string) (const :tag "Nothing special" t)))
95 (defcustom gnus-use-dribble-file t
96 "*Non-nil means that Gnus will use a dribble file to store user updates.
97 If Emacs should crash without saving the .newsrc files, complete
98 information can be restored from the dribble file."
99 :group 'gnus-dribble-file
102 (defcustom gnus-dribble-directory nil
103 "*The directory where dribble files will be saved.
104 If this variable is nil, the directory where the .newsrc files are
106 :group 'gnus-dribble-file
107 :type '(choice directory (const nil)))
109 (defcustom gnus-check-new-newsgroups 'ask-server
110 "*Non-nil means that Gnus will run `gnus-find-new-newsgroups' at startup.
111 This normally finds new newsgroups by comparing the active groups the
112 servers have already reported with those Gnus already knows, either alive
115 When any of the following are true, `gnus-find-new-newsgroups' will instead
116 ask the servers (primary, secondary, and archive servers) to list new
117 groups since the last time it checked:
118 1. This variable is `ask-server'.
119 2. This variable is a list of select methods (see below).
120 3. `gnus-read-active-file' is nil or `some'.
121 4. A prefix argument is given to `gnus-find-new-newsgroups' interactively.
123 Thus, if this variable is `ask-server' or a list of select methods or
124 `gnus-read-active-file' is nil or `some', then the killed list is no
125 longer necessary, so you could safely set `gnus-save-killed-list' to nil.
127 This variable can be a list of select methods which Gnus will query with
128 the `ask-server' method in addition to the primary, secondary, and archive
132 (setq gnus-check-new-newsgroups
133 '((nntp \"some.server\") (nntp \"other.server\")))
135 If this variable is nil, then you have to tell Gnus explicitly to
136 check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups]."
138 :type '(choice (const :tag "no" nil)
139 (const :tag "by brute force" t)
140 (const :tag "ask servers" ask-server)
141 (repeat :menu-tag "ask additional servers"
142 :tag "ask additional servers"
144 (sexp :format "%v"))))
146 (defcustom gnus-check-bogus-newsgroups nil
147 "*Non-nil means that Gnus will check and remove bogus newsgroup at startup.
148 If this variable is nil, then you have to tell Gnus explicitly to
149 check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups]."
150 :group 'gnus-start-server
153 (defcustom gnus-read-active-file 'some
154 "*Non-nil means that Gnus will read the entire active file at startup.
155 If this variable is nil, Gnus will only know about the groups in your
158 If this variable is `some', Gnus will try to only read the relevant
159 parts of the active file from the server. Not all servers support
160 this, and it might be quite slow with other servers, but this should
161 generally be faster than both the t and nil value.
163 If you set this variable to nil or `some', you probably still want to
164 be told about new newsgroups that arrive. To do that, set
165 `gnus-check-new-newsgroups' to `ask-server'. This may not work
166 properly with all servers."
167 :group 'gnus-start-server
168 :type '(choice (const nil)
172 (defconst gnus-level-subscribed 5
173 "Groups with levels less than or equal to this variable are subscribed.")
175 (defconst gnus-level-unsubscribed 7
176 "Groups with levels less than or equal to this variable are unsubscribed.
177 Groups with levels less than `gnus-level-subscribed', which should be
178 less than this variable, are subscribed.")
180 (defconst gnus-level-zombie 8
181 "Groups with this level are zombie groups.")
183 (defconst gnus-level-killed 9
184 "Groups with this level are killed.")
186 (defcustom gnus-level-default-subscribed 3
187 "*New subscribed groups will be subscribed at this level."
188 :group 'gnus-group-levels
191 (defcustom gnus-level-default-unsubscribed 6
192 "*New unsubscribed groups will be unsubscribed at this level."
193 :group 'gnus-group-levels
196 (defcustom gnus-activate-level (1+ gnus-level-subscribed)
197 "*Groups higher than this level won't be activated on startup.
198 Setting this variable to something low might save lots of time when
199 you have many groups that you aren't interested in."
200 :group 'gnus-group-levels
203 (defcustom gnus-activate-foreign-newsgroups 4
204 "*If nil, Gnus will not check foreign newsgroups at startup.
205 If it is non-nil, it should be a number between one and nine. Foreign
206 newsgroups that have a level lower or equal to this number will be
207 activated on startup. For instance, if you want to active all
208 subscribed newsgroups, but not the rest, you'd set this variable to
209 `gnus-level-subscribed'.
211 If you subscribe to lots of newsgroups from different servers, startup
212 might take a while. By setting this variable to nil, you'll save time,
213 but you won't be told how many unread articles there are in the
215 :group 'gnus-group-levels
216 :type '(choice integer
217 (const :tag "none" nil)))
219 (defcustom gnus-read-newsrc-file t
220 "*Non-nil means that Gnus will read the `.newsrc' file.
221 Gnus always reads its own startup file, which is called
222 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
223 be readily understood by other newsreaders. If you don't plan on
224 using other newsreaders, set this variable to nil to save some time on
230 (defcustom gnus-save-newsrc-file t
231 "*Non-nil means that Gnus will save the `.newsrc' file.
232 Gnus always saves its own startup file, which is called
233 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
234 be readily understood by other newsreaders. If you don't plan on
235 using other newsreaders, set this variable to nil to save some time on
240 (defcustom gnus-save-killed-list t
241 "*If non-nil, save the list of killed groups to the startup file.
242 If you set this variable to nil, you'll save both time (when starting
243 and quitting) and space (both memory and disk), but it will also mean
244 that Gnus has no record of which groups are new and which are old, so
245 the automatic new newsgroups subscription methods become meaningless.
247 You should always set `gnus-check-new-newsgroups' to `ask-server' or
248 nil if you set this variable to nil.
250 This variable can also be a regexp. In that case, all groups that do
251 not match this regexp will be removed before saving the list."
253 :type '(radio (sexp :format "Non-nil\n"
254 :match (lambda (widget value)
255 (and value (not (stringp value))))
258 (regexp :format "%t: %v\n" :size 0)))
260 (defcustom gnus-ignored-newsgroups
262 '("^to\\." ; not "real" groups
263 "^[0-9. \t]+\\( \\|$\\)" ; all digits in name
264 "^[\"][]\"[#'()]" ; bogus characters
267 "*A regexp to match uninteresting newsgroups in the active file.
268 Any lines in the active file matching this regular expression are
269 removed from the newsgroup list before anything else is done to it,
270 thus making them effectively non-existent."
271 :group 'gnus-group-new
274 (defcustom gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
275 "*Function(s) called with a group name when new group is detected.
276 A few pre-made functions are supplied: `gnus-subscribe-randomly'
277 inserts new groups at the beginning of the list of groups;
278 `gnus-subscribe-alphabetically' inserts new groups in strict
279 alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
280 in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
281 for your decision; `gnus-subscribe-killed' kills all new groups;
282 `gnus-subscribe-zombies' will make all new groups into zombies;
283 `gnus-subscribe-topics' will enter groups into the topics that
285 :group 'gnus-group-new
286 :type '(radio (function-item gnus-subscribe-randomly)
287 (function-item gnus-subscribe-alphabetically)
288 (function-item gnus-subscribe-hierarchically)
289 (function-item gnus-subscribe-interactively)
290 (function-item gnus-subscribe-killed)
291 (function-item gnus-subscribe-zombies)
292 (function-item gnus-subscribe-topics)
296 (defcustom gnus-subscribe-newsgroup-hooks nil
297 "*Hooks run after you subscribe to a new group.
298 The hooks will be called with new group's name as argument."
299 :group 'gnus-group-new
302 (defcustom gnus-subscribe-options-newsgroup-method
303 'gnus-subscribe-alphabetically
304 "*Function(s) called to subscribe newsgroups mentioned on \"options -n\" lines.
305 If, for instance, you want to subscribe to all newsgroups in the
306 \"no\" and \"alt\" hierarchies, you'd put the following in your
309 options -n no.all alt.all
311 Gnus will the subscribe all new newsgroups in these hierarchies with
312 the subscription method in this variable."
313 :group 'gnus-group-new
314 :type '(radio (function-item gnus-subscribe-randomly)
315 (function-item gnus-subscribe-alphabetically)
316 (function-item gnus-subscribe-hierarchically)
317 (function-item gnus-subscribe-interactively)
318 (function-item gnus-subscribe-killed)
319 (function-item gnus-subscribe-zombies)
320 (function-item gnus-subscribe-topics)
324 (defcustom gnus-subscribe-hierarchical-interactive nil
325 "*If non-nil, Gnus will offer to subscribe hierarchically.
326 When a new hierarchy appears, Gnus will ask the user:
328 'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
330 If the user pressed `d', Gnus will descend the hierarchy, `y' will
331 subscribe to all newsgroups in the hierarchy and `s' will skip this
332 hierarchy in its entirety."
333 :group 'gnus-group-new
336 (defcustom gnus-auto-subscribed-groups
337 "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl\\|^nnmaildir"
338 "*All new groups that match this regexp will be subscribed automatically.
339 Note that this variable only deals with new groups. It has no effect
340 whatsoever on old groups.
342 New groups that match this regexp will not be handled by
343 `gnus-subscribe-newsgroup-method'. Instead, they will
344 be subscribed using `gnus-subscribe-options-newsgroup-method'."
345 :group 'gnus-group-new
348 (defcustom gnus-options-subscribe nil
349 "*All new groups matching this regexp will be subscribed unconditionally.
350 Note that this variable deals only with new newsgroups. This variable
351 does not affect old newsgroups.
353 New groups that match this regexp will not be handled by
354 `gnus-subscribe-newsgroup-method'. Instead, they will
355 be subscribed using `gnus-subscribe-options-newsgroup-method'."
356 :group 'gnus-group-new
357 :type '(choice regexp
358 (const :tag "none" nil)))
360 (defcustom gnus-options-not-subscribe nil
361 "*All new groups matching this regexp will be ignored.
362 Note that this variable deals only with new newsgroups. This variable
363 does not affect old (already subscribed) newsgroups."
364 :group 'gnus-group-new
365 :type '(choice regexp
366 (const :tag "none" nil)))
368 (defcustom gnus-modtime-botch nil
369 "*Non-nil means .newsrc should be deleted prior to save.
370 Its use is due to the bogus appearance that .newsrc was modified on
375 (defcustom gnus-check-bogus-groups-hook nil
376 "A hook run after removing bogus groups."
377 :group 'gnus-start-server
380 (defcustom gnus-startup-hook nil
381 "A hook called at startup.
382 This hook is called after Gnus is connected to the NNTP server."
386 (defcustom gnus-before-startup-hook nil
387 "A hook called at before startup.
388 This hook is called as the first thing when Gnus is started."
392 (defcustom gnus-started-hook nil
393 "A hook called as the last thing after startup."
397 (defcustom gnus-setup-news-hook
398 '(gnus-fixup-nnimap-unread-after-getting-new-news)
399 "A hook after reading the .newsrc file, but before generating the buffer."
403 (defcustom gnus-get-top-new-news-hook nil
404 "A hook run just before Gnus checks for new news globally."
405 :group 'gnus-group-new
408 (defcustom gnus-get-new-news-hook nil
409 "A hook run just before Gnus checks for new news."
410 :group 'gnus-group-new
413 (defcustom gnus-after-getting-new-news-hook
414 '(gnus-display-time-event-handler
415 gnus-fixup-nnimap-unread-after-getting-new-news)
416 "A hook run after Gnus checks for new news when Gnus is already running."
417 :group 'gnus-group-new
420 (defcustom gnus-read-newsrc-el-hook nil
421 "A hook called after reading the newsrc.eld? file."
425 (defcustom gnus-save-newsrc-hook nil
426 "A hook called before saving any of the newsrc files."
430 (defcustom gnus-save-quick-newsrc-hook nil
431 "A hook called just before saving the quick newsrc file.
432 Can be used to turn version control on or off."
436 (defcustom gnus-save-standard-newsrc-hook nil
437 "A hook called just before saving the standard newsrc file.
438 Can be used to turn version control on or off."
442 (defcustom gnus-group-mode-hook nil
443 "Hook for Gnus group mode."
444 :group 'gnus-group-various
445 :options '(gnus-topic-mode)
448 (defcustom gnus-always-read-dribble-file nil
449 "Unconditionally read the dribble file."
453 ;;; Internal variables
455 (defvar gnus-ding-file-coding-system (static-if (boundp 'MULE)
458 "Coding system for ding file.")
459 ;; Note that the ding file for T-gnus ought not to have byte-codes.
461 (defvar gnus-newsrc-file-version nil)
462 (defvar gnus-override-subscribe-method nil)
463 (defvar gnus-dribble-buffer nil)
464 (defvar gnus-newsrc-options nil
465 "Options line in the .newsrc file.")
467 (defvar gnus-newsrc-options-n nil
468 "List of regexps representing groups to be subscribed/ignored unconditionally.")
470 (defvar gnus-newsrc-last-checked-date nil
471 "Date Gnus last asked server for new newsgroups.")
473 (defvar gnus-current-startup-file nil
474 "Startup file for the current host.")
476 ;; Byte-compiler warning.
477 (defvar gnus-group-line-format)
479 ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
480 (defvar gnus-init-inhibit nil)
481 (defun gnus-read-init-file (&optional inhibit-next)
482 ;; Don't load .gnus if the -q option was used.
484 (if gnus-init-inhibit
485 (setq gnus-init-inhibit nil)
486 (setq gnus-init-inhibit inhibit-next)
487 (dolist (file (list gnus-site-init-file gnus-init-file))
489 (locate-library file))
490 (if (or debug-on-error debug-on-quit)
495 (error "Error in %s: %s" file (cadr var))))))))))
497 ;; For subscribing new newsgroup
499 (defun gnus-subscribe-hierarchical-interactive (groups)
500 (let ((groups (sort groups 'string<))
501 prefixes prefix start ans group starts)
503 (setq prefixes (list "^"))
504 (while (and groups prefixes)
505 (while (not (string-match (car prefixes) (car groups)))
506 (setq prefixes (cdr prefixes)))
507 (setq prefix (car prefixes))
508 (setq start (1- (length prefix)))
509 (if (and (string-match "[^\\.]\\." (car groups) start)
512 (concat "^" (substring (car groups) 0 (match-end 0))))
513 (string-match prefix (cadr groups)))
515 (push prefix prefixes)
516 (message "Descend hierarchy %s? ([y]nsq): "
517 (substring prefix 1 (1- (length prefix))))
518 (while (not (memq (setq ans (read-char-exclusive))
519 '(?y ?\n ?\r ?n ?s ?q)))
521 (message "Descend hierarchy %s? ([y]nsq): "
522 (substring prefix 1 (1- (length prefix)))))
526 (setq group (car groups))))
527 (push group gnus-killed-list)
528 (gnus-sethash group group gnus-killed-hashtb)
529 (setq groups (cdr groups)))
530 (setq starts (cdr starts)))
534 (setq group (car groups))))
535 (gnus-sethash group group gnus-killed-hashtb)
536 (gnus-subscribe-alphabetically (car groups))
537 (setq groups (cdr groups)))
538 (setq starts (cdr starts)))
541 (setq group (car groups))
542 (push group gnus-killed-list)
543 (gnus-sethash group group gnus-killed-hashtb)
544 (setq groups (cdr groups))))
546 (message "Subscribe %s? ([n]yq)" (car groups))
547 (while (not (memq (setq ans (read-char-exclusive))
548 '(?y ?\n ?\r ?q ?n)))
550 (message "Subscribe %s? ([n]yq)" (car groups)))
551 (setq group (car groups))
553 (gnus-subscribe-alphabetically (car groups))
554 (gnus-sethash group group gnus-killed-hashtb))
557 (setq group (car groups))
558 (push group gnus-killed-list)
559 (gnus-sethash group group gnus-killed-hashtb)
560 (setq groups (cdr groups))))
562 (push group gnus-killed-list)
563 (gnus-sethash group group gnus-killed-hashtb)))
564 (setq groups (cdr groups)))))))
566 (defun gnus-subscribe-randomly (newsgroup)
567 "Subscribe new NEWSGROUP by making it the first newsgroup."
568 (gnus-subscribe-newsgroup newsgroup))
570 (defun gnus-subscribe-alphabetically (newgroup)
571 "Subscribe new NEWGROUP and insert it in alphabetical order."
572 (let ((groups (cdr gnus-newsrc-alist))
574 (while (and (not before) groups)
575 (if (string< newgroup (caar groups))
576 (setq before (caar groups))
577 (setq groups (cdr groups))))
578 (gnus-subscribe-newsgroup newgroup before)))
580 (defun gnus-subscribe-hierarchically (newgroup)
581 "Subscribe new NEWGROUP and insert it in hierarchical newsgroup order."
582 ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
584 (set-buffer (nnheader-find-file-noselect gnus-current-startup-file))
586 (let ((groupkey newgroup) before)
587 (while (and (not before) groupkey)
588 (goto-char (point-min))
590 (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
591 (while (and (re-search-forward groupkey-re nil t)
593 (setq before (match-string 1))
594 (string< before newgroup)))))
595 ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
597 (when (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
598 (substring groupkey (match-beginning 1) (match-end 1)))))
599 (gnus-subscribe-newsgroup newgroup before))
600 (kill-buffer (current-buffer)))))
602 (defun gnus-subscribe-interactively (group)
603 "Subscribe the new GROUP interactively.
604 It is inserted in hierarchical newsgroup order if subscribed. If not,
606 (if (gnus-y-or-n-p (format "Subscribe new newsgroup: %s " group))
607 (gnus-subscribe-hierarchically group)
608 (push group gnus-killed-list)))
610 (defun gnus-subscribe-zombies (group)
611 "Make the new GROUP into a zombie group."
612 (push group gnus-zombie-list))
614 (defun gnus-subscribe-killed (group)
615 "Make the new GROUP a killed group."
616 (push group gnus-killed-list))
618 (defun gnus-subscribe-newsgroup (newsgroup &optional next)
619 "Subscribe new NEWSGROUP.
620 If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
621 the first newsgroup."
623 (goto-char (point-min))
624 ;; We subscribe the group by changing its level to `subscribed'.
625 (gnus-group-change-level
626 newsgroup gnus-level-default-subscribed
627 gnus-level-killed (gnus-gethash (or next "dummy.group")
629 (gnus-message 5 "Subscribe newsgroup: %s" newsgroup)
630 (run-hook-with-args 'gnus-subscribe-newsgroup-hooks newsgroup)
633 (defun gnus-read-active-file-p ()
634 "Say whether the active file has been read from `gnus-select-method'."
635 (memq gnus-select-method gnus-have-read-active-file))
637 ;;; General various misc type functions.
639 ;; Silence byte-compiler.
641 (defvar gnus-current-headers)
642 (defvar gnus-thread-indent-array)
643 (defvar gnus-newsgroup-name)
644 (defvar gnus-newsgroup-headers)
645 (defvar gnus-group-list-mode)
646 (defvar gnus-group-mark-positions)
647 (defvar gnus-newsgroup-data)
648 (defvar gnus-newsgroup-unreads)
649 (defvar nnoo-state-alist)
650 (defvar gnus-current-select-method)
651 (defvar mail-sources)
652 (defvar nnmail-scan-directory-mail-source-once)
653 (defvar nnmail-split-history)
654 (defvar nnmail-spool-file))
656 (defun gnus-clear-quick-file-variables ()
657 "Clear all variables in quick startup files."
658 (let ((variables gnus-variable-list))
659 ;; Clear Gnus variables.
661 (set (car variables) nil)
662 (setq variables (cdr variables))))
663 (let ((files gnus-product-variable-file-list))
665 (let ((variables (nthcdr 3 (car files))))
667 (set (car variables) nil)
668 (setq variables (cdr variables))))
669 (setq files (cdr files)))))
671 (defun gnus-close-all-servers ()
674 (dolist (server gnus-opened-servers)
675 (gnus-close-server (car server))))
677 (defun gnus-clear-system ()
678 "Clear all variables and buffers."
679 ;; Clear gnus variables.
680 (gnus-clear-quick-file-variables)
681 ;; Clear other internal variables.
682 (setq gnus-list-of-killed-groups nil
683 gnus-have-read-active-file nil
684 gnus-newsrc-alist nil
685 gnus-newsrc-hashtb nil
688 gnus-killed-hashtb nil
689 gnus-active-hashtb nil
690 gnus-moderated-hashtb nil
691 gnus-description-hashtb nil
692 gnus-current-headers nil
693 gnus-thread-indent-array nil
694 gnus-newsgroup-headers nil
695 gnus-newsgroup-name nil
696 gnus-server-alist nil
697 gnus-group-list-mode nil
698 gnus-opened-servers nil
699 gnus-group-mark-positions nil
700 gnus-newsgroup-data nil
701 gnus-newsgroup-unreads nil
703 gnus-current-select-method nil
704 nnmail-split-history nil
705 gnus-ephemeral-servers nil)
706 (gnus-shutdown 'gnus)
707 ;; Kill the startup file.
708 (and gnus-current-startup-file
709 (get-file-buffer gnus-current-startup-file)
710 (kill-buffer (get-file-buffer gnus-current-startup-file)))
711 ;; Clear the dribble buffer.
713 ;; Kill global KILL file buffer.
714 (when (get-file-buffer (gnus-newsgroup-kill-file nil))
715 (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil))))
716 (gnus-kill-buffer nntp-server-buffer)
717 ;; Kill Gnus buffers.
718 (dolist (buffer (gnus-buffers))
719 (gnus-kill-buffer buffer))
720 ;; Remove Gnus frames.
721 (gnus-kill-gnus-frames))
723 (defun gnus-no-server-1 (&optional arg slave)
725 If ARG is a positive number, Gnus will use that as the
726 startup level. If ARG is nil, Gnus will be started at level 2.
727 If ARG is non-nil and not a positive number, Gnus will
728 prompt the user for the name of an NNTP server to use.
729 As opposed to `gnus', this command will not connect to the local server."
731 (let ((val (or arg (1- gnus-level-default-subscribed))))
733 (make-local-variable 'gnus-group-use-permanent-levels)
734 (setq gnus-group-use-permanent-levels val)))
736 (defun gnus-1 (&optional arg dont-connect slave)
738 If ARG is non-nil and a positive number, Gnus will use that as the
739 startup level. If ARG is non-nil and not a positive number, Gnus will
740 prompt the user for the name of an NNTP server to use."
745 (switch-to-buffer gnus-group-buffer)
746 (gnus-group-get-new-news
749 (max (car gnus-group-list-mode) arg))))
753 (gnus-run-hooks 'gnus-before-startup-hook)
754 (nnheader-init-server-buffer)
755 (setq gnus-slave slave)
756 (gnus-read-init-file)
760 (when gnus-simple-splash
761 (setq gnus-simple-splash nil)
766 (= (frame-height) (1+ (window-height))))
769 (let ((level (and (numberp arg) (> arg 0) arg))
775 (gnus-start-news-server (and arg (not level))))))
776 (if (and (not dont-connect)
779 (gnus-run-hooks 'gnus-startup-hook)
780 ;; NNTP server is successfully open.
782 ;; Find the current startup file name.
783 (setq gnus-current-startup-file
784 (gnus-make-newsrc-file gnus-startup-file))
786 ;; Read the dribble file.
787 (when (or gnus-slave gnus-use-dribble-file)
788 (gnus-dribble-read-file))
790 ;; Allow using GroupLens predictions.
791 (when gnus-use-grouplens
793 (add-hook 'gnus-summary-mode-hook 'gnus-grouplens-mode))
795 ;; Do the actual startup.
797 (gnus-request-create-group "queue" '(nndraft "")))
798 (gnus-request-create-group "drafts" '(nndraft ""))
799 (gnus-setup-news nil level dont-connect)
800 (gnus-run-hooks 'gnus-setup-news-hook)
801 (gnus-start-draft-setup)
802 ;; Generate the group buffer.
803 (gnus-group-list-groups level)
804 (gnus-group-first-unread-group)
805 (gnus-configure-windows 'group)
806 (gnus-group-set-mode-line)
808 (set-language-info "Japanese" 'gnus-info "gnus-ja")
809 (gnus-run-hooks 'gnus-started-hook))))))
811 (defun gnus-start-draft-setup ()
812 "Make sure the draft group exists."
813 (gnus-request-create-group "drafts" '(nndraft ""))
814 (unless (gnus-gethash "nndraft:drafts" gnus-newsrc-hashtb)
815 (let ((gnus-level-default-subscribed 1))
816 (gnus-subscribe-group "nndraft:drafts" nil '(nndraft "")))
817 (gnus-group-set-parameter
818 "nndraft:drafts" 'gnus-dummy '((gnus-draft-mode)))))
825 (defvar gnus-dribble-ignore nil)
826 (defvar gnus-dribble-eval-file nil)
828 (defun gnus-dribble-file-name ()
829 "Return the dribble file for the current .newsrc."
831 (if gnus-dribble-directory
832 (concat (file-name-as-directory gnus-dribble-directory)
833 (file-name-nondirectory gnus-current-startup-file))
834 gnus-current-startup-file)
837 (defun gnus-dribble-enter (string)
838 "Enter STRING into the dribble buffer."
839 (when (and (not gnus-dribble-ignore)
841 (buffer-name gnus-dribble-buffer))
842 (let ((obuf (current-buffer)))
843 (set-buffer gnus-dribble-buffer)
844 (goto-char (point-max))
846 ;; This has been commented by Josh Huber <huber@alum.wpi.edu>
847 ;; It causes problems with both XEmacs and Emacs 21, and doesn't
848 ;; seem to be of much value. (FIXME: remove this after we make sure
850 ;; (set-window-point (get-buffer-window (current-buffer)) (point-max))
851 (bury-buffer gnus-dribble-buffer)
853 (set-buffer gnus-group-buffer)
854 (gnus-group-set-mode-line))
857 (defun gnus-dribble-touch ()
858 "Touch the dribble buffer."
859 (gnus-dribble-enter ""))
861 (defun gnus-dribble-read-file ()
862 "Read the dribble file from disk."
863 (let ((dribble-file (gnus-dribble-file-name)))
865 (set-buffer (setq gnus-dribble-buffer
866 (gnus-get-buffer-create
867 (file-name-nondirectory dribble-file))))
869 (setq buffer-file-name dribble-file)
871 (buffer-disable-undo)
872 (bury-buffer (current-buffer))
873 (set-buffer-modified-p nil)
874 (let ((auto (make-auto-save-file-name))
875 (gnus-dribble-ignore t)
878 (when (or (file-exists-p auto) (file-exists-p dribble-file))
879 ;; Load whichever file is newest -- the auto save file
880 ;; or the "real" file.
881 (if (file-newer-than-file-p auto dribble-file)
882 (nnheader-insert-file-contents auto)
883 (nnheader-insert-file-contents dribble-file))
884 (unless (zerop (buffer-size))
885 (set-buffer-modified-p t))
886 ;; Set the file modes to reflect the .newsrc file modes.
888 (when (and (file-exists-p gnus-current-startup-file)
889 (file-exists-p dribble-file)
890 (setq modes (file-modes gnus-current-startup-file)))
891 (set-file-modes dribble-file modes))
892 (goto-char (point-min))
893 (when (search-forward "Gnus was exited on purpose" nil t)
895 ;; Possibly eval the file later.
896 (when (or gnus-always-read-dribble-file
899 "Gnus exited on purpose without saving; read auto-save file anyway? "
900 "Gnus auto-save file exists. Do you want to read it? ")))
901 (setq gnus-dribble-eval-file t)))))))
903 (defun gnus-dribble-eval-file ()
904 (when gnus-dribble-eval-file
905 (setq gnus-dribble-eval-file nil)
907 (let ((gnus-dribble-ignore t))
908 (set-buffer gnus-dribble-buffer)
909 (eval-buffer (current-buffer))))))
911 (defun gnus-dribble-delete-file ()
912 (when (file-exists-p (gnus-dribble-file-name))
913 (delete-file (gnus-dribble-file-name)))
914 (when gnus-dribble-buffer
916 (set-buffer gnus-dribble-buffer)
917 (let ((auto (make-auto-save-file-name)))
918 (when (file-exists-p auto)
921 (set-buffer-modified-p nil)))))
923 (defun gnus-dribble-save ()
924 (when (and gnus-dribble-buffer
925 (buffer-name gnus-dribble-buffer))
927 (set-buffer gnus-dribble-buffer)
930 (defun gnus-dribble-clear ()
931 (when (gnus-buffer-exists-p gnus-dribble-buffer)
933 (set-buffer gnus-dribble-buffer)
935 (set-buffer-modified-p nil)
936 (setq buffer-saved-size (buffer-size)))))
940 ;;; Active & Newsrc File Handling
943 (defun gnus-setup-news (&optional rawfile level dont-connect)
944 "Setup news information.
945 If RAWFILE is non-nil, the .newsrc file will also be read.
946 If LEVEL is non-nil, the news will be set up at level LEVEL."
948 (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile))))
949 ;; Binding this variable will inhibit multiple fetchings
950 ;; of the same mail source.
951 (nnmail-fetched-sources (list t)))
954 ;; Clear some variables to re-initialize news information.
955 (setq gnus-newsrc-alist nil
956 gnus-active-hashtb nil)
957 ;; Read the newsrc file and create `gnus-newsrc-hashtb'.
958 (gnus-read-newsrc-file rawfile))
960 ;; Make sure the archive server is available to all and sundry.
961 (when gnus-message-archive-method
962 (unless (assoc "archive" gnus-server-alist)
967 ,(nnheader-concat message-directory "archive"))
968 (nnfolder-active-file
969 ,(nnheader-concat message-directory "archive/active"))
970 (nnfolder-get-new-mail nil)
971 (nnfolder-inhibit-expiry t))
974 ;; If we don't read the complete active file, we fill in the
976 (when (or (null gnus-read-active-file)
977 (eq gnus-read-active-file 'some))
978 (gnus-update-active-hashtb-from-killed))
980 ;; Read the active file and create `gnus-active-hashtb'.
981 ;; If `gnus-read-active-file' is nil, then we just create an empty
982 ;; hash table. The partial filling out of the hash table will be
983 ;; done in `gnus-get-unread-articles'.
984 (and gnus-read-active-file
986 (gnus-read-active-file nil dont-connect))
988 (unless gnus-active-hashtb
989 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
991 ;; Initialize the cache.
995 ;; Possibly eval the dribble file.
997 (or gnus-use-dribble-file gnus-slave)
998 (gnus-dribble-eval-file))
1000 ;; Slave Gnusii should then clear the dribble buffer.
1001 (when (and init gnus-slave)
1002 (gnus-dribble-clear))
1004 (gnus-update-format-specifications)
1006 ;; See whether we need to read the description file.
1007 (when (and (boundp 'gnus-group-line-format)
1008 (stringp gnus-group-line-format)
1009 (let ((case-fold-search nil))
1010 (string-match "%[-,0-9]*D" gnus-group-line-format))
1011 (not gnus-description-hashtb)
1013 gnus-read-active-file)
1014 (gnus-read-all-descriptions-files))
1016 ;; Find new newsgroups and treat them.
1017 (when (and init gnus-check-new-newsgroups (not level)
1018 (gnus-check-server gnus-select-method)
1021 (gnus-find-new-newsgroups))
1023 ;; Check and remove bogus newsgroups.
1024 (when (and init gnus-check-bogus-newsgroups
1025 gnus-read-active-file (not level)
1026 (gnus-server-opened gnus-select-method))
1027 (gnus-check-bogus-newsgroups))
1029 ;; We might read in new NoCeM messages here.
1030 (when (and gnus-use-nocem
1033 (gnus-nocem-scan-groups))
1035 ;; Read any slave files.
1036 (gnus-master-read-slave-newsrc)
1038 ;; Find the number of unread articles in each non-dead group.
1039 (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
1040 (gnus-get-unread-articles level))))
1042 (defun gnus-call-subscribe-functions (method group)
1043 "Call METHOD to subscribe GROUP.
1044 If no function returns `non-nil', call `gnus-subscribe-zombies'."
1047 (funcall method group))
1050 (dolist (func method)
1051 (if (funcall func group)
1055 (gnus-subscribe-zombies group)))
1057 (defun gnus-find-new-newsgroups (&optional arg)
1058 "Search for new newsgroups and add them.
1059 Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method'.
1060 The `-n' option line from .newsrc is respected.
1062 With 1 C-u, use the `ask-server' method to query the server for new
1064 With 2 C-u's, use most complete method possible to query the server
1065 for new groups, and subscribe the new groups as zombies."
1067 (let* ((gnus-subscribe-newsgroup-method
1068 gnus-subscribe-newsgroup-method)
1070 ((or (and (= (or arg 1) 4)
1071 (not (listp gnus-check-new-newsgroups)))
1072 (null gnus-read-active-file)
1073 (eq gnus-read-active-file 'some))
1076 (setq gnus-subscribe-newsgroup-method
1077 'gnus-subscribe-zombies)
1079 (t gnus-check-new-newsgroups))))
1080 (unless (gnus-check-first-time-used)
1081 (if (or (consp check)
1082 (eq check 'ask-server))
1083 ;; Ask the server for new groups.
1084 (gnus-ask-server-for-new-groups)
1085 ;; Go through the active hashtb and look for new groups.
1087 group new-newsgroups)
1088 (gnus-message 5 "Looking for new newsgroups...")
1089 (unless gnus-have-read-active-file
1090 (gnus-read-active-file))
1091 (setq gnus-newsrc-last-checked-date (message-make-date))
1092 (unless gnus-killed-hashtb
1093 (gnus-make-hashtable-from-killed))
1094 ;; Go though every newsgroup in `gnus-active-hashtb' and compare
1095 ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
1098 (if (or (null (setq group (symbol-name sym)))
1100 (null (symbol-value sym))
1101 (gnus-gethash group gnus-killed-hashtb)
1102 (gnus-gethash group gnus-newsrc-hashtb))
1104 (let ((do-sub (gnus-matches-options-n group)))
1106 ((eq do-sub 'subscribe)
1107 (setq groups (1+ groups))
1108 (gnus-sethash group group gnus-killed-hashtb)
1109 (gnus-call-subscribe-functions
1110 gnus-subscribe-options-newsgroup-method group))
1111 ((eq do-sub 'ignore)
1114 (setq groups (1+ groups))
1115 (gnus-sethash group group gnus-killed-hashtb)
1116 (if gnus-subscribe-hierarchical-interactive
1117 (push group new-newsgroups)
1118 (gnus-call-subscribe-functions
1119 gnus-subscribe-newsgroup-method group)))))))
1121 (when new-newsgroups
1122 (gnus-subscribe-hierarchical-interactive new-newsgroups))
1124 (gnus-message 5 "%d new newsgroup%s arrived."
1125 groups (if (> groups 1) "s have" " has"))
1126 (gnus-message 5 "No new newsgroups.")))))))
1128 (defun gnus-matches-options-n (group)
1129 ;; Returns `subscribe' if the group is to be unconditionally
1130 ;; subscribed, `ignore' if it is to be ignored, and nil if there is
1131 ;; no match for the group.
1133 ;; First we check the two user variables.
1135 ((and gnus-options-subscribe
1136 (string-match gnus-options-subscribe group))
1138 ((and gnus-auto-subscribed-groups
1139 (string-match gnus-auto-subscribed-groups group))
1141 ((and gnus-options-not-subscribe
1142 (string-match gnus-options-not-subscribe group))
1144 ;; Then we go through the list that was retrieved from the .newsrc
1145 ;; file. This list has elements on the form
1146 ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
1147 ;; is in the reverse order of the options line) is returned.
1149 (let ((regs gnus-newsrc-options-n))
1151 (not (string-match (caar regs) group)))
1152 (setq regs (cdr regs)))
1153 (and regs (cdar regs))))))
1155 (defun gnus-ask-server-for-new-groups ()
1156 (let* ((new-date (message-make-date))
1157 (date (or gnus-newsrc-last-checked-date new-date))
1158 (methods (cons gnus-select-method
1160 (when (gnus-archive-server-wanted-p)
1163 (and (consp gnus-check-new-newsgroups)
1164 gnus-check-new-newsgroups)
1165 gnus-secondary-select-methods))))
1167 group new-newsgroups got-new method hashtb
1168 gnus-override-subscribe-method)
1169 (unless gnus-killed-hashtb
1170 (gnus-make-hashtable-from-killed))
1171 ;; Go through both primary and secondary select methods and
1172 ;; request new newsgroups.
1173 (while (setq method (gnus-server-get-method nil (pop methods)))
1174 (setq new-newsgroups nil
1175 gnus-override-subscribe-method method)
1176 (when (and (gnus-check-server method)
1177 (gnus-request-newgroups date method))
1180 hashtb (gnus-make-hashtable 100))
1181 (set-buffer nntp-server-buffer)
1182 ;; Enter all the new groups into a hashtable.
1183 (gnus-active-to-gnus-format method hashtb 'ignore))
1184 ;; Now all new groups from `method' are in `hashtb'.
1187 (if (or (null (setq group (symbol-name group-sym)))
1188 (not (boundp group-sym))
1189 (null (symbol-value group-sym))
1190 (gnus-gethash group gnus-newsrc-hashtb)
1191 (member group gnus-zombie-list)
1192 (member group gnus-killed-list))
1193 ;; The group is already known.
1195 ;; Make this group active.
1196 (when (symbol-value group-sym)
1197 (gnus-set-active group (symbol-value group-sym)))
1198 ;; Check whether we want it or not.
1199 (let ((do-sub (gnus-matches-options-n group)))
1201 ((eq do-sub 'subscribe)
1203 (gnus-sethash group group gnus-killed-hashtb)
1204 (gnus-call-subscribe-functions
1205 gnus-subscribe-options-newsgroup-method group))
1206 ((eq do-sub 'ignore)
1210 (gnus-sethash group group gnus-killed-hashtb)
1211 (if gnus-subscribe-hierarchical-interactive
1212 (push group new-newsgroups)
1213 (gnus-call-subscribe-functions
1214 gnus-subscribe-newsgroup-method group)))))))
1216 (when new-newsgroups
1217 (gnus-subscribe-hierarchical-interactive new-newsgroups)))
1219 (gnus-message 5 "%d new newsgroup%s arrived"
1220 groups (if (> groups 1) "s have" " has"))
1221 (gnus-message 5 "No new newsgroups"))
1223 (setq gnus-newsrc-last-checked-date new-date))
1226 (defun gnus-check-first-time-used ()
1228 ;; First check if any of the following files exist. If they do,
1229 ;; it's not the first time the user has used Gnus.
1230 (dolist (file (list (concat gnus-current-startup-file ".el")
1231 (concat gnus-current-startup-file ".eld")
1232 (concat gnus-startup-file ".el")
1233 (concat gnus-startup-file ".eld")))
1234 (when (file-exists-p file)
1235 (throw 'ended nil)))
1236 (gnus-message 6 "First time user; subscribing you to default groups")
1237 (unless (gnus-read-active-file-p)
1238 (let ((gnus-read-active-file t))
1239 (gnus-read-active-file)))
1240 (setq gnus-newsrc-last-checked-date (message-make-date))
1241 ;; Subscribe to the default newsgroups.
1242 (let ((groups (or gnus-default-subscribed-newsgroups
1243 gnus-backup-default-subscribed-newsgroups))
1246 ;; If t, we subscribe (or not) all groups as if they were new.
1249 (when (setq group (symbol-name sym))
1250 (let ((do-sub (gnus-matches-options-n group)))
1252 ((eq do-sub 'subscribe)
1253 (gnus-sethash group group gnus-killed-hashtb)
1254 (gnus-call-subscribe-functions
1255 gnus-subscribe-options-newsgroup-method group))
1256 ((eq do-sub 'ignore)
1259 (push group gnus-killed-list))))))
1261 (dolist (group groups)
1262 ;; Only subscribe the default groups that are activated.
1263 (when (gnus-active group)
1264 (gnus-group-change-level
1265 group gnus-level-default-subscribed gnus-level-killed)))
1267 (set-buffer gnus-group-buffer)
1268 ;; Don't error if the group already exists. This happens when a
1269 ;; first-time user types 'F'. -- didier
1270 (gnus-group-make-help-group t))
1271 (when gnus-novice-user
1272 (gnus-message 7 "`A k' to list killed groups"))))))
1274 (defun gnus-subscribe-group (group &optional previous method)
1275 "Subscribe GROUP and put it after PREVIOUS."
1276 (gnus-group-change-level
1278 (list t group gnus-level-default-subscribed nil nil method)
1280 gnus-level-default-subscribed gnus-level-killed previous t)
1283 ;; `gnus-group-change-level' is the fundamental function for changing
1284 ;; subscription levels of newsgroups. This might mean just changing
1285 ;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back
1286 ;; again, which subscribes/unsubscribes a group, which is equally
1287 ;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and
1288 ;; from 8-9 to 1-7 means that you remove the group from the list of
1289 ;; killed (or zombie) groups and add them to the (kinda) subscribed
1290 ;; groups. And last but not least, moving from 8 to 9 and 9 to 8,
1291 ;; which is trivial.
1292 ;; ENTRY can either be a string (newsgroup name) or a list (if
1293 ;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST),
1294 ;; otherwise it's a list in the format of the `gnus-newsrc-hashtb'
1296 ;; LEVEL is the new level of the group, OLDLEVEL is the old level and
1297 ;; PREVIOUS is the group (in hashtb entry format) to insert this group
1299 (defun gnus-group-change-level (entry level &optional oldlevel
1300 previous fromkilled)
1301 (let (group info active num)
1302 ;; Glean what info we can from the arguments
1304 (if fromkilled (setq group (nth 1 entry))
1305 (setq group (car (nth 2 entry))))
1307 (when (and (stringp entry)
1309 (< oldlevel gnus-level-zombie))
1310 (setq entry (gnus-gethash entry gnus-newsrc-hashtb)))
1311 (if (and (not oldlevel)
1313 (setq oldlevel (gnus-info-level (nth 2 entry)))
1314 (setq oldlevel (or oldlevel gnus-level-killed)))
1315 (when (stringp previous)
1316 (setq previous (gnus-gethash previous gnus-newsrc-hashtb)))
1318 (if (and (>= oldlevel gnus-level-zombie)
1319 (gnus-gethash group gnus-newsrc-hashtb))
1320 ;; We are trying to subscribe a group that is already
1324 (unless (gnus-ephemeral-group-p group)
1326 (format "(gnus-group-change-level %S %S %S %S %S)"
1327 group level oldlevel (car (nth 2 previous)) fromkilled)))
1329 ;; Then we remove the newgroup from any old structures, if needed.
1330 ;; If the group was killed, we remove it from the killed or zombie
1331 ;; list. If not, and it is in fact going to be killed, we remove
1332 ;; it from the newsrc hash table and assoc.
1334 ((>= oldlevel gnus-level-zombie)
1335 ;; oldlevel could be wrong.
1336 (setq gnus-zombie-list (delete group gnus-zombie-list))
1337 (setq gnus-killed-list (delete group gnus-killed-list)))
1339 (when (and (>= level gnus-level-zombie)
1341 (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb)
1343 (setcdr (gnus-gethash (car (nth 3 entry))
1346 (setcdr (cdr entry) (cdddr entry)))))
1348 ;; Finally we enter (if needed) the list where it is supposed to
1349 ;; go, and change the subscription level. If it is to be killed,
1350 ;; we enter it into the killed or zombie list.
1352 ((>= level gnus-level-zombie)
1353 ;; Remove from the hash table.
1354 (gnus-sethash group nil gnus-newsrc-hashtb)
1355 ;; We do not enter foreign groups into the list of dead
1357 (unless (gnus-group-foreign-p group)
1358 (if (= level gnus-level-zombie)
1359 (push group gnus-zombie-list)
1360 (if (= oldlevel gnus-level-killed)
1361 ;; Remove from active hashtb.
1362 (unintern group gnus-active-hashtb)
1363 ;; Don't add it into killed-list if it was killed.
1364 (push group gnus-killed-list)))))
1366 ;; If the list is to be entered into the newsrc assoc, and
1367 ;; it was killed, we have to create an entry in the newsrc
1368 ;; hashtb format and fix the pointers in the newsrc assoc.
1369 (if (< oldlevel gnus-level-zombie)
1370 ;; It was alive, and it is going to stay alive, so we
1371 ;; just change the level and don't change any pointers or
1372 ;; hash table entries.
1373 (setcar (cdaddr entry) level)
1375 (setq info (cdr entry)
1377 (setq active (gnus-active group))
1379 (if active (- (1+ (cdr active)) (car active)) t))
1380 ;; Shorten the select method if possible, if we need to
1381 ;; store it at all (native groups).
1382 (let ((method (gnus-method-simplify
1383 (or gnus-override-subscribe-method
1384 (gnus-group-method group)))))
1386 (setq info (list group level nil nil method))
1387 (setq info (list group level nil)))))
1390 (let ((p gnus-newsrc-alist))
1394 (setq entry (cons info (cddr previous)))
1397 (setcdr (cdr previous) entry)
1398 (gnus-sethash group (cons num (cdr previous))
1399 gnus-newsrc-hashtb))
1400 (setcdr previous entry)
1401 (gnus-sethash group (cons num previous)
1402 gnus-newsrc-hashtb))
1404 (setcdr (gnus-gethash (caadr entry) gnus-newsrc-hashtb) entry))
1407 "(gnus-group-set-info '%S)" info)))))
1408 (when gnus-group-change-level-function
1409 (funcall gnus-group-change-level-function
1410 group level oldlevel previous)))))
1412 (defun gnus-kill-newsgroup (newsgroup)
1413 "Obsolete function. Kills a newsgroup."
1414 (gnus-group-change-level
1415 (gnus-gethash newsgroup gnus-newsrc-hashtb) gnus-level-killed))
1417 (defun gnus-check-bogus-newsgroups (&optional confirm)
1418 "Remove bogus newsgroups.
1419 If CONFIRM is non-nil, the user has to confirm the deletion of every
1421 (let ((newsrc (cdr gnus-newsrc-alist))
1422 bogus group entry info)
1423 (gnus-message 5 "Checking bogus newsgroups...")
1424 (unless (gnus-read-active-file-p)
1425 (gnus-read-active-file t))
1426 (when (gnus-read-active-file-p)
1427 ;; Find all bogus newsgroup that are subscribed.
1429 (setq info (pop newsrc)
1430 group (gnus-info-group info))
1431 (unless (or (gnus-active group) ; Active
1432 (and (gnus-info-method info)
1433 (not (gnus-secondary-method-p
1434 (gnus-info-method info))))) ; Foreign
1435 ;; Found a bogus newsgroup.
1436 (push group bogus)))
1439 "Remove bogus group %s? "
1441 ;; Remove all bogus subscribed groups by first killing them, and
1442 ;; then removing them from the list of killed groups.
1443 (when (setq entry (gnus-gethash group gnus-newsrc-hashtb))
1444 (gnus-group-change-level entry gnus-level-killed)
1445 (setq gnus-killed-list (delete group gnus-killed-list))))
1446 bogus '("group" "groups" "remove"))
1447 (while (setq group (pop bogus))
1448 ;; Remove all bogus subscribed groups by first killing them, and
1449 ;; then removing them from the list of killed groups.
1450 (when (setq entry (gnus-gethash group gnus-newsrc-hashtb))
1451 (gnus-group-change-level entry gnus-level-killed)
1452 (setq gnus-killed-list (delete group gnus-killed-list)))))
1453 ;; Then we remove all bogus groups from the list of killed and
1454 ;; zombie groups. They are removed without confirmation.
1455 (let ((dead-lists '(gnus-killed-list gnus-zombie-list))
1458 (setq killed (symbol-value (car dead-lists)))
1460 (unless (gnus-active (setq group (pop killed)))
1461 ;; The group is bogus.
1463 (set (car dead-lists)
1464 (delete group (symbol-value (car dead-lists))))))
1465 (setq dead-lists (cdr dead-lists))))
1466 (gnus-run-hooks 'gnus-check-bogus-groups-hook)
1467 (gnus-message 5 "Checking bogus newsgroups...done"))))
1469 (defun gnus-check-duplicate-killed-groups ()
1470 "Remove duplicates from the list of killed groups."
1472 (let ((killed gnus-killed-list))
1474 (gnus-message 9 "%d" (length killed))
1475 (setcdr killed (delete (car killed) (cdr killed)))
1476 (setq killed (cdr killed)))))
1478 ;; We want to inline a function from gnus-cache, so we cheat here:
1480 (defvar gnus-cache-active-hashtb)
1481 (defun gnus-cache-possibly-alter-active (group active)
1482 "Alter the ACTIVE info for GROUP to reflect the articles in the cache."
1483 (when gnus-cache-active-hashtb
1484 (let ((cache-active (gnus-gethash group gnus-cache-active-hashtb)))
1486 (when (< (car cache-active) (car active))
1487 (setcar active (car cache-active)))
1488 (when (> (cdr cache-active) (cdr active))
1489 (setcdr active (cdr cache-active))))))))
1491 (defun gnus-activate-group (group &optional scan dont-check method)
1492 ;; Check whether a group has been activated or not.
1493 ;; If SCAN, request a scan of that group as well.
1494 (let ((method (or method (inline (gnus-find-method-for-group group))))
1496 (and (inline (gnus-check-server method))
1497 ;; We escape all bugs and quit here to make it possible to
1498 ;; continue if a group is so out-there that it reports bugs
1502 (gnus-check-backend-function 'request-scan (car method))
1503 (gnus-request-scan group method))
1505 (if (or debug-on-error debug-on-quit)
1506 (inline (gnus-request-group group dont-check method))
1508 (inline (gnus-request-group group dont-check method))
1511 (message "Quit activating %s" group)
1514 (setq active (gnus-parse-active))
1515 ;; If there are no articles in the group, the GROUP
1516 ;; command may have responded with the `(0 . 0)'. We
1517 ;; ignore this if we already have an active entry
1519 (if (and (zerop (car active))
1520 (zerop (cdr active))
1521 (gnus-active group))
1523 (gnus-set-active group active)
1524 ;; Return the new active info.
1527 (defun gnus-get-unread-articles-in-group (info active &optional update)
1529 ;; Allow the backend to update the info in the group.
1531 (gnus-request-update-info
1532 info (inline (gnus-find-method-for-group
1533 (gnus-info-group info)))))
1534 (gnus-activate-group (gnus-info-group info) nil t))
1536 (let* ((range (gnus-info-read info))
1538 ;; If a cache is present, we may have to alter the active info.
1539 (when (and gnus-use-cache info)
1540 (inline (gnus-cache-possibly-alter-active
1541 (gnus-info-group info) active)))
1542 ;; Modify the list of read articles according to what articles
1543 ;; are available; then tally the unread articles and add the
1544 ;; number to the group hash table entry.
1546 ((zerop (cdr active))
1549 (setq num (- (1+ (cdr active)) (car active))))
1550 ((not (listp (cdr range)))
1551 ;; Fix a single (num . num) range according to the
1552 ;; active hash table.
1553 ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>.
1554 (and (< (cdr range) (car active)) (setcdr range (1- (car active))))
1555 (and (> (cdr range) (cdr active)) (setcdr range (cdr active)))
1556 ;; Compute number of unread articles.
1557 (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range))))))
1559 ;; The read list is a list of ranges. Fix them according to
1560 ;; the active hash table.
1561 ;; First peel off any elements that are below the lower
1563 (while (and (cdr range)
1565 (or (and (atom (cadr range)) (cadr range))
1567 (if (numberp (car range))
1570 (or (and (numberp (cadr range))
1574 (or (and (numberp (nth 1 range)) (nth 1 range))
1576 (setcdr range (cddr range)))
1577 ;; Adjust the first element to be the same as the lower limit.
1578 (when (and (not (atom (car range)))
1579 (< (cdar range) (car active)))
1580 (setcdr (car range) (1- (car active))))
1581 ;; Then we want to peel off any elements that are higher
1582 ;; than the upper active limit.
1583 (let ((srange range))
1584 ;; Go past all valid elements.
1585 (while (and (cdr srange)
1586 (<= (or (and (atom (cadr srange))
1590 (setq srange (cdr srange)))
1592 ;; Nuke all remaining invalid elements.
1593 (setcdr srange nil))
1595 ;; Adjust the final element.
1596 (when (and (not (atom (car srange)))
1597 (> (cdar srange) (cdr active)))
1598 (setcdr (car srange) (cdr active))))
1599 ;; Compute the number of unread articles.
1601 (setq num (+ num (- (1+ (or (and (atom (car range)) (car range))
1603 (or (and (atom (car range)) (car range))
1605 (setq range (cdr range)))
1606 (setq num (max 0 (- (cdr active) num)))))
1607 ;; Set the number of unread articles.
1609 (gnus-gethash (gnus-info-group info) gnus-newsrc-hashtb))
1610 (setcar (gnus-gethash (gnus-info-group info) gnus-newsrc-hashtb) num))
1613 ;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb'
1614 ;; and compute how many unread articles there are in each group.
1615 (defun gnus-get-unread-articles (&optional level)
1616 (setq gnus-server-method-cache nil)
1617 (let* ((newsrc (cdr gnus-newsrc-alist))
1618 (level (or level gnus-activate-level (1+ gnus-level-subscribed)))
1621 (cond ((and gnus-activate-foreign-newsgroups
1622 (not (numberp gnus-activate-foreign-newsgroups)))
1623 (1+ gnus-level-subscribed))
1624 ((numberp gnus-activate-foreign-newsgroups)
1625 gnus-activate-foreign-newsgroups)
1628 scanned-methods info group active method retrieve-groups)
1629 (gnus-message 6 "Checking new news...")
1632 (setq active (gnus-active (setq group (gnus-info-group
1633 (setq info (pop newsrc))))))
1635 ;; Check newsgroups. If the user doesn't want to check them, or
1636 ;; they can't be checked (for instance, if the news server can't
1637 ;; be reached) we just set the number of unread articles in this
1638 ;; newsgroup to t. This means that Gnus thinks that there are
1639 ;; unread articles, but it has no idea how many.
1641 ;; To be more explicit:
1642 ;; >0 for an active group with messages
1643 ;; 0 for an active group with no unread messages
1644 ;; nil for non-foreign groups that the user has requested not be checked
1645 ;; t for unchecked foreign groups or bogus groups, or groups that can't
1646 ;; be checked, for one reason or other.
1647 (if (and (setq method (gnus-info-method info))
1651 (setq method (gnus-server-get-method nil method)))))
1652 (not (gnus-secondary-method-p method)))
1653 ;; These groups are foreign. Check the level.
1654 (when (and (<= (gnus-info-level info) foreign-level)
1655 (setq active (gnus-activate-group group 'scan)))
1656 ;; Let the Gnus agent save the active file.
1657 (when (and gnus-agent active (gnus-online method))
1658 (gnus-agent-save-group-info
1659 method (gnus-group-real-name group) active))
1660 (unless (inline (gnus-virtual-group-p group))
1661 (inline (gnus-close-group group)))
1662 (when (fboundp (intern (concat (symbol-name (car method))
1663 "-request-update-info")))
1664 (inline (gnus-request-update-info info method))))
1665 ;; These groups are native or secondary.
1667 ;; We don't want these groups.
1668 ((> (gnus-info-level info) level)
1669 (setq active 'ignore))
1671 ((not gnus-read-active-file)
1672 (if (gnus-check-backend-function 'retrieve-groups group)
1673 ;; if server support gnus-retrieve-groups we push
1674 ;; the group onto retrievegroups for later checking
1675 (if (assoc method retrieve-groups)
1676 (setcdr (assoc method retrieve-groups)
1677 (cons group (cdr (assoc method retrieve-groups))))
1678 (push (list method group) retrieve-groups))
1679 ;; hack: `nnmail-get-new-mail' changes the mail-source depending
1680 ;; on the group, so we must perform a scan for every group
1681 ;; if the users has any directory mail sources.
1682 ;; hack: if `nnmail-scan-directory-mail-source-once' is non-nil,
1683 ;; for it scan all spool files even when the groups are
1686 (or nnmail-scan-directory-mail-source-once
1687 (null (assq 'directory
1689 (if (listp nnmail-spool-file)
1691 (list nnmail-spool-file))))))
1692 (member method scanned-methods))
1693 (setq active (gnus-activate-group group))
1694 (setq active (gnus-activate-group group 'scan))
1695 (push method scanned-methods))
1697 (gnus-close-group group))))))
1699 ;; Get the number of unread articles in the group.
1701 ((eq active 'ignore)
1702 ;; Don't do anything.
1705 (inline (gnus-get-unread-articles-in-group info active t)))
1707 ;; The group couldn't be reached, so we nix out the number of
1708 ;; unread articles and stuff.
1709 (gnus-set-active group nil)
1710 (let ((tmp (gnus-gethash group gnus-newsrc-hashtb)))
1714 ;; iterate through groups on methods which support gnus-retrieve-groups
1715 ;; and fetch a partial active file and use it to find new news.
1716 (dolist (rg retrieve-groups)
1717 (let ((method (or (car rg) gnus-select-method))
1719 (when (gnus-check-server method)
1720 ;; Request that the backend scan its incoming messages.
1721 (when (gnus-check-backend-function 'request-scan (car method))
1722 (gnus-request-scan nil method))
1723 (gnus-read-active-file-2
1724 (mapcar (lambda (group) (gnus-group-real-name group)) groups)
1726 (dolist (group groups)
1728 ((setq active (gnus-active (gnus-info-group
1729 (setq info (gnus-get-info group)))))
1730 (inline (gnus-get-unread-articles-in-group info active t)))
1732 ;; The group couldn't be reached, so we nix out the number of
1733 ;; unread articles and stuff.
1734 (gnus-set-active group nil)
1735 (setcar (gnus-gethash group gnus-newsrc-hashtb) t)))))))
1737 (gnus-message 6 "Checking new news...done")))
1739 ;; Create a hash table out of the newsrc alist. The `car's of the
1740 ;; alist elements are used as keys.
1741 (defun gnus-make-hashtable-from-newsrc-alist ()
1742 (let ((alist gnus-newsrc-alist)
1743 (ohashtb gnus-newsrc-hashtb)
1745 (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
1747 (setq prev (setq gnus-newsrc-alist
1748 (if (equal (caar gnus-newsrc-alist)
1751 (cons (list "dummy.group" 0 nil) alist)))))
1755 ;; Preserve number of unread articles in groups.
1756 (cons (and ohashtb (car (gnus-gethash (caar alist) ohashtb)))
1760 alist (cdr alist)))))
1762 (defun gnus-make-hashtable-from-killed ()
1763 "Create a hash table from the killed and zombie lists."
1764 (let ((lists '(gnus-killed-list gnus-zombie-list))
1766 (setq gnus-killed-hashtb
1767 (gnus-make-hashtable
1768 (+ (length gnus-killed-list) (length gnus-zombie-list))))
1770 (setq list (symbol-value (pop lists)))
1772 (gnus-sethash (car list) (pop list) gnus-killed-hashtb)))))
1774 (defun gnus-parse-active ()
1775 "Parse active info in the nntp server buffer."
1777 (set-buffer nntp-server-buffer)
1778 (goto-char (point-min))
1779 ;; Parse the result we got from `gnus-request-group'.
1780 (when (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
1781 (goto-char (match-beginning 1))
1782 (cons (read (current-buffer))
1783 (read (current-buffer))))))
1785 (defun gnus-make-articles-unread (group articles)
1786 "Mark ARTICLES in GROUP as unread."
1787 (let* ((info (nth 2 (or (gnus-gethash group gnus-newsrc-hashtb)
1788 (gnus-gethash (gnus-group-real-name group)
1789 gnus-newsrc-hashtb))))
1790 (ranges (gnus-info-read info))
1793 (when (gnus-member-of-range
1794 (setq article (pop articles)) ranges)
1795 (push article news)))
1797 ;; Enter this list into the group info.
1799 info (gnus-remove-from-range (gnus-info-read info) (nreverse news)))
1801 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1802 (gnus-get-unread-articles-in-group info (gnus-active group))
1804 ;; Insert the change into the group buffer and the dribble file.
1805 (gnus-group-update-group group t))))
1807 (defun gnus-make-ascending-articles-unread (group articles)
1808 "Mark ascending ARTICLES in GROUP as unread."
1809 (let* ((entry (or (gnus-gethash group gnus-newsrc-hashtb)
1810 (gnus-gethash (gnus-group-real-name group)
1811 gnus-newsrc-hashtb)))
1812 (info (nth 2 entry))
1813 (ranges (gnus-info-read info))
1818 (let ((article (pop articles))) ; get the next article to remove from ranges
1819 (while (let ((range (car ranges))) ; note the current range
1820 (if (atom range) ; single value range
1822 ;; the articles extend past the end of the ranges
1824 (setq articles nil))
1826 ;; this range preceeds the article. Leave the range unmodified.
1830 ;; this range exactly matches the article; REMOVE THE RANGE.
1831 ;; NOTE: When the range being removed is the last range, the list is corrupted by inserting null at its end.
1832 (setcar ranges (cadr ranges))
1833 (setcdr ranges (cddr ranges))
1834 (setq modified (if (car ranges) t 'remove-null))
1836 (let ((min (car range))
1838 ;; I have a min/max range to consider
1839 (cond ((> min max) ; invalid range introduced by splitter
1840 (setcar ranges (cadr ranges))
1841 (setcdr ranges (cddr ranges))
1842 (setq modified (if (car ranges) t 'remove-null))
1845 ;; replace min/max range with a single-value range
1849 ;; this range preceeds the article. Leave the range unmodified.
1853 ;; this article preceeds the range. Return null to move to the
1857 ;; this article splits the range into two parts
1858 (setcdr ranges (cons (cons (1+ article) max) (cdr ranges)))
1859 (setcdr range (1- article))
1864 (when (eq modified 'remove-null)
1865 (setq r (delq nil r)))
1866 ;; Enter this list into the group info.
1867 (gnus-info-set-read info r)
1869 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1870 (gnus-get-unread-articles-in-group info (gnus-active group))
1872 ;; Insert the change into the group buffer and the dribble file.
1873 (gnus-group-update-group group t))))
1875 ;; Enter all dead groups into the hashtb.
1876 (defun gnus-update-active-hashtb-from-killed ()
1877 (let ((hashtb (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1878 (lists (list gnus-killed-list gnus-zombie-list))
1881 (setq killed (car lists))
1883 (gnus-sethash (car killed) nil hashtb)
1884 (setq killed (cdr killed)))
1885 (setq lists (cdr lists)))))
1887 (defun gnus-get-killed-groups ()
1888 "Go through the active hashtb and mark all unknown groups as killed."
1889 ;; First make sure active file has been read.
1890 (unless (gnus-read-active-file-p)
1891 (let ((gnus-read-active-file t))
1892 (gnus-read-active-file)))
1893 (unless gnus-killed-hashtb
1894 (gnus-make-hashtable-from-killed))
1895 ;; Go through all newsgroups that are known to Gnus - enlarge kill list.
1899 (group (symbol-name sym)))
1900 (if (or (null group)
1901 (gnus-gethash group gnus-killed-hashtb)
1902 (gnus-gethash group gnus-newsrc-hashtb))
1904 (let ((do-sub (gnus-matches-options-n group)))
1905 (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore))
1907 (setq groups (1+ groups))
1908 (push group gnus-killed-list)
1909 (gnus-sethash group group gnus-killed-hashtb))))))
1911 (gnus-dribble-touch))
1913 ;; Get the active file(s) from the backend(s).
1914 (defun gnus-read-active-file (&optional force not-native)
1915 (gnus-group-set-mode-line)
1918 (lambda (m) (if (stringp m) (gnus-server-get-method nil m) m))
1920 (if (and (not not-native)
1921 (gnus-check-server gnus-select-method))
1922 ;; The native server is available.
1923 (cons gnus-select-method gnus-secondary-select-methods)
1924 ;; The native server is down, so we just do the
1926 gnus-secondary-select-methods)
1927 ;; Also read from the archive server.
1928 (when (gnus-archive-server-wanted-p)
1929 (list "archive")))))
1931 (setq gnus-have-read-active-file nil)
1933 (set-buffer nntp-server-buffer)
1934 (while (setq method (pop methods))
1935 ;; Only do each method once, in case the methods appear more
1936 ;; than once in this list.
1937 (unless (member method methods)
1938 (if (or debug-on-error debug-on-quit)
1939 (gnus-read-active-file-1 method force)
1941 (gnus-read-active-file-1 method force)
1942 ;; We catch C-g so that we can continue past servers
1943 ;; that do not respond.
1945 (message "Quit reading the active file")
1948 (defun gnus-read-active-file-1 (method force)
1950 (setq where (nth 1 method)
1951 mesg (format "Reading active file%s via %s..."
1952 (if (and where (not (zerop (length where))))
1953 (concat " from " where) "")
1955 (gnus-message 5 mesg)
1956 (when (gnus-check-server method)
1957 ;; Request that the backend scan its incoming messages.
1958 (when (gnus-check-backend-function 'request-scan (car method))
1959 (gnus-request-scan nil method))
1961 ((and (eq gnus-read-active-file 'some)
1962 (gnus-check-backend-function 'retrieve-groups (car method))
1964 (let ((newsrc (cdr gnus-newsrc-alist))
1965 (gmethod (gnus-server-get-method nil method))
1967 (while (setq info (pop newsrc))
1971 (gnus-find-method-for-group
1972 (gnus-info-group info) info))
1974 (push (gnus-group-real-name (gnus-info-group info))
1976 (gnus-read-active-file-2 groups method)))
1980 (if (not (gnus-request-list method))
1981 (unless (equal method gnus-message-archive-method)
1982 (gnus-error 1 "Cannot read active file from %s server"
1984 (gnus-message 5 mesg)
1985 (gnus-active-to-gnus-format method gnus-active-hashtb nil t)
1986 ;; We mark this active file as read.
1987 (push method gnus-have-read-active-file)
1988 (gnus-message 5 "%sdone" mesg)))))))
1990 (defun gnus-read-active-file-2 (groups method)
1991 "Read an active file for GROUPS in METHOD using `gnus-retrieve-groups'."
1994 (set-buffer nntp-server-buffer)
1995 (gnus-check-server method)
1996 (let ((list-type (gnus-retrieve-groups groups method)))
1997 (cond ((not list-type)
1999 1.2 "Cannot read partial active file from %s server."
2001 ((eq list-type 'active)
2002 (gnus-active-to-gnus-format method gnus-active-hashtb nil t))
2004 (gnus-groups-to-gnus-format method gnus-active-hashtb t)))))))
2006 ;; Read an active file and place the results in `gnus-active-hashtb'.
2007 (defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors
2010 (setq method gnus-select-method))
2011 (let ((cur (current-buffer))
2013 (if (and gnus-active-hashtb
2014 (not (equal method gnus-select-method)))
2016 (setq gnus-active-hashtb
2017 (if (equal method gnus-select-method)
2018 (gnus-make-hashtable
2019 (count-lines (point-min) (point-max)))
2020 (gnus-make-hashtable 4096)))))))
2021 ;; Delete unnecessary lines.
2022 (goto-char (point-min))
2024 ((string= gnus-ignored-newsgroups "")
2025 (delete-matching-lines "^to\\."))
2027 (delete-matching-lines (concat "^to\\.\\|" gnus-ignored-newsgroups))))
2029 (goto-char (point-min))
2030 (unless (re-search-forward "[\\\"]" nil t)
2031 ;; Make the group names readable as a lisp expression even if they
2032 ;; contain special characters.
2033 (goto-char (point-max))
2034 (while (re-search-backward "[][';?()#]" nil t)
2037 ;; Let the Gnus agent save the active file.
2038 (when (and gnus-agent real-active (gnus-online method))
2039 (gnus-agent-save-active method))
2041 ;; If these are groups from a foreign select method, we insert the
2042 ;; group prefix in front of the group names.
2043 (when (not (gnus-server-equal
2044 (gnus-server-get-method nil method)
2045 (gnus-server-get-method nil gnus-select-method)))
2046 (let ((prefix (gnus-group-prefixed-name "" method)))
2047 (goto-char (point-min))
2048 (while (and (not (eobp))
2050 (when (= (following-char) ?\")
2053 (zerop (forward-line 1)))))))
2054 ;; Store the active file in a hash table.
2055 (goto-char (point-min))
2056 (let (group max min)
2060 (narrow-to-region (point) (gnus-point-at-eol))
2061 ;; group gets set to a symbol interned in the hash table
2062 ;; (what a hack!!) - jwz
2063 (setq group (let ((obarray hashtb)) (read cur)))
2064 ;; ### The extended group name scheme makes
2065 ;; the previous optimization strategy sort of pointless...
2066 (when (stringp group)
2067 (setq group (intern group hashtb)))
2068 (if (and (numberp (setq max (read cur)))
2069 (numberp (setq min (read cur)))
2071 (skip-chars-forward " \t")
2073 (or (eq (char-after) ?=)
2074 (eq (char-after) ?x)
2075 (eq (char-after) ?j)))))
2077 (set group (cons min max))
2078 ;; if group is moderated, stick in moderation table
2079 (when (eq (char-after) ?m)
2080 (unless gnus-moderated-hashtb
2081 (setq gnus-moderated-hashtb (gnus-make-hashtable)))
2082 (gnus-sethash (symbol-name group) t
2083 gnus-moderated-hashtb)))
2089 (unless ignore-errors
2090 (gnus-message 3 "Warning - invalid active: %s"
2092 (gnus-point-at-bol) (gnus-point-at-eol))))))
2094 (forward-line 1)))))
2096 (defun gnus-groups-to-gnus-format (method &optional hashtb real-active)
2097 ;; Parse a "groups" active file.
2098 (let ((cur (current-buffer))
2100 (if (and method gnus-active-hashtb)
2102 (setq gnus-active-hashtb
2103 (gnus-make-hashtable
2104 (count-lines (point-min) (point-max)))))))
2106 (not (gnus-server-equal
2107 (gnus-server-get-method nil method)
2108 (gnus-server-get-method nil gnus-select-method)))
2109 (gnus-group-prefixed-name "" method))))
2111 ;; Let the Gnus agent save the active file.
2114 (gnus-online method)
2115 (gnus-agent-method-p method))
2117 (gnus-agent-save-groups method)
2118 (gnus-active-to-gnus-format method hashtb nil real-active))
2120 (goto-char (point-min))
2121 ;; We split this into to separate loops, one with the prefix
2122 ;; and one without to speed the reading up somewhat.
2124 (let (min max opoint group)
2128 (read cur) (read cur)
2129 (setq min (read cur)
2132 (skip-chars-forward " \t")
2135 (set (let ((obarray hashtb)) (read cur))
2137 (error (and group (symbolp group) (set group nil))))
2139 (let (min max group)
2142 (when (eq (char-after) ?2)
2143 (read cur) (read cur)
2144 (setq min (read cur)
2146 (set (setq group (let ((obarray hashtb)) (read cur)))
2148 (error (and group (symbolp group) (set group nil))))
2149 (forward-line 1)))))))
2151 (defun gnus-read-newsrc-file (&optional force)
2153 If FORCE is non-nil, the .newsrc file is read."
2154 ;; Reset variables that might be defined in the .newsrc.eld file.
2155 (gnus-clear-quick-file-variables)
2156 (let* ((newsrc-file gnus-current-startup-file)
2157 (quick-file (concat newsrc-file ".el")))
2159 ;; We always load the .newsrc.eld file. If always contains
2160 ;; much information that can not be gotten from the .newsrc
2161 ;; file (ticked articles, killed groups, foreign methods, etc.)
2162 (gnus-read-newsrc-el-file quick-file)
2164 (when (and gnus-read-newsrc-file
2165 (file-exists-p gnus-current-startup-file)
2167 (and (file-newer-than-file-p newsrc-file quick-file)
2168 (file-newer-than-file-p newsrc-file
2169 (concat quick-file "d")))
2170 (not gnus-newsrc-alist)))
2171 ;; We read the .newsrc file. Note that if there if a
2172 ;; .newsrc.eld file exists, it has already been read, and
2173 ;; the `gnus-newsrc-hashtb' has been created. While reading
2174 ;; the .newsrc file, Gnus will only use the information it
2175 ;; can find there for changing the data already read -
2176 ;; i. e., reading the .newsrc file will not trash the data
2177 ;; already read (except for read articles).
2179 (gnus-message 5 "Reading %s..." newsrc-file)
2180 (set-buffer (nnheader-find-file-noselect newsrc-file))
2181 (buffer-disable-undo)
2182 (gnus-newsrc-to-gnus-format)
2183 (kill-buffer (current-buffer))
2184 (gnus-message 5 "Reading %s...done" newsrc-file))))))
2186 (defun gnus-load (file &optional coding-system)
2187 "Load FILE, but in such a way that read errors can be reported."
2190 (insert-file-contents-as-coding-system coding-system file)
2191 (insert-file-contents file))
2193 (condition-case type
2194 (let ((form (read (current-buffer))))
2197 (unless (eq (car type) 'end-of-file)
2198 (let ((error (format "Error in %s line %d" file
2199 (count-lines (point-min) (point)))))
2201 (unless (gnus-yes-or-no-p (concat error "; continue? "))
2202 (error "%s" error)))))))))
2204 (defun gnus-read-newsrc-el-file (file)
2205 (let ((ding-file (concat file "d")))
2206 (when (file-exists-p ding-file)
2207 ;; We always, always read the .eld file.
2208 (gnus-message 5 "Reading %s..." ding-file)
2209 (let (gnus-newsrc-assoc)
2210 (gnus-load ding-file gnus-ding-file-coding-system)
2211 ;; ;; Older versions of `gnus-format-specs' are no longer valid
2212 ;; ;; in Oort Gnus 0.01.
2214 ;; (and gnus-newsrc-file-version
2215 ;; (gnus-continuum-version gnus-newsrc-file-version))))
2216 ;; (when (or (not version)
2217 ;; (< version 5.090009))
2218 ;; (setq gnus-format-specs gnus-default-format-specs)))
2219 (when gnus-newsrc-assoc
2220 (setq gnus-newsrc-alist gnus-newsrc-assoc))))
2221 (gnus-make-hashtable-from-newsrc-alist)
2222 (when (file-newer-than-file-p file ding-file)
2223 ;; Old format quick file
2224 (gnus-message 5 "Reading %s..." file)
2225 ;; The .el file is newer than the .eld file, so we read that one
2227 (gnus-read-old-newsrc-el-file file)))
2228 (when (and gnus-product-directory
2229 (file-directory-p gnus-product-directory))
2230 (let ((list gnus-product-variable-file-list))
2232 (apply 'gnus-product-read-variable-file-1 (car list))
2233 (setq list (cdr list)))))
2234 (gnus-run-hooks 'gnus-read-newsrc-el-hook))
2236 ;;(defun gnus-re-read-newsrc-el-file (file)
2237 ;; "Attempt to re-read .newsrc.eld file. Returns nil if successful.
2238 ;;The backup file \".newsrc.eld_\" will be created before re-reading."
2239 ;; (message "Error in %s; retrying..." file)
2241 ;; (condition-case nil
2242 ;; (let ((backup (concat file "_")))
2243 ;; (copy-file file backup 'ok-if-already-exists 'keep-time)
2244 ;; (message " (The backup file %s has been created)" backup)
2248 ;; (insert-file-contents-as-binary file nil nil nil 'replace)
2249 ;; (goto-char (point-min))
2250 ;; (when (re-search-forward
2251 ;; "^[\t ]*([\t\n\r ]*setq[\t\n\r ]+gnus-format-specs" nil t)
2252 ;; (delete-region (goto-char (match-beginning 0)) (forward-list 1))
2253 ;; (decode-coding-region (point-min) (point-max)
2254 ;; gnus-ding-file-coding-system)
2255 ;; (condition-case nil
2257 ;; (eval-region (point-min) (point-max))
2262 ;; (message "Error in %s; retrying...done" file))
2263 ;; (message "Error in %s; retrying...failed" file)
2266 (defun gnus-product-read-variable-file-1 (file checking-methods coding
2268 (let (error gnus-product-file-version method file-ver)
2269 (when (or (condition-case err
2270 (let ((coding-system-for-read coding)
2271 (input-coding-system coding))
2272 (load (expand-file-name file gnus-product-directory)
2276 (message "Error while reading %s: %s"
2277 (expand-file-name file gnus-product-directory)
2278 (error-message-string err))
2280 (and (setq method (assq 'product-version checking-methods))
2281 (not (and (setq file-ver
2282 (cdr (assq 'product-version
2283 gnus-product-file-version)))
2284 (zerop (product-version-compare file-ver
2286 (and (assq 'emacs-version checking-methods)
2287 (not (and (assq 'emacs-version gnus-product-file-version)
2290 (cdr (assq 'emacs-version
2291 gnus-product-file-version))))))
2292 (and (assq 'correct-string-widths checking-methods)
2293 (not (and (assq 'correct-string-widths
2294 gnus-product-file-version)
2295 (eq (and gnus-use-correct-string-widths t)
2296 (and (cdr (assq 'correct-string-widths
2297 gnus-product-file-version))
2300 (message "\"%s\" seems to have mismatched contents, updating..."
2303 (set (car variables) nil)
2304 (gnus-product-variable-touch (car variables))
2305 (setq variables (cdr variables))))))
2307 ;; Parse the old-style quick startup file
2308 (defun gnus-read-old-newsrc-el-file (file)
2309 (let (newsrc killed marked group m info)
2311 (let ((gnus-killed-assoc nil)
2312 gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc)
2316 (setq newsrc gnus-newsrc-assoc
2317 killed gnus-killed-assoc
2318 marked gnus-marked-assoc)))
2319 (setq gnus-newsrc-alist nil)
2320 (while (setq group (pop newsrc))
2321 (if (setq info (gnus-get-info (car group)))
2323 (gnus-info-set-read info (cddr group))
2324 (gnus-info-set-level
2325 info (if (nth 1 group) gnus-level-default-subscribed
2326 gnus-level-default-unsubscribed))
2327 (push info gnus-newsrc-alist))
2330 (if (nth 1 group) gnus-level-default-subscribed
2331 gnus-level-default-unsubscribed)
2334 ;; Copy marks into info.
2335 (when (setq m (assoc (car group) marked))
2336 (unless (nthcdr 3 info)
2337 (nconc info (list nil)))
2338 (gnus-info-set-marks
2339 info (list (cons 'tick (gnus-compress-sequence
2340 (sort (cdr m) '<) t))))))
2341 (setq newsrc killed)
2343 (setcar newsrc (caar newsrc))
2344 (setq newsrc (cdr newsrc)))
2345 (setq gnus-killed-list killed))
2346 ;; The .el file version of this variable does not begin with
2347 ;; "options", while the .eld version does, so we just add it if it
2351 (when (not (string-match "^ *options" gnus-newsrc-options))
2352 (setq gnus-newsrc-options (concat "options " gnus-newsrc-options)))
2353 (when (not (string-match "\n$" gnus-newsrc-options))
2354 (setq gnus-newsrc-options (concat gnus-newsrc-options "\n")))
2355 ;; Finally, if we read some options lines, we parse them.
2356 (unless (string= gnus-newsrc-options "")
2357 (gnus-newsrc-parse-options gnus-newsrc-options)))
2359 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))
2360 (gnus-make-hashtable-from-newsrc-alist)))
2362 (defun gnus-make-newsrc-file (file)
2363 "Make server dependent file name by catenating FILE and server host name."
2364 (let* ((file (expand-file-name file nil))
2365 (real-file (concat file "-" (nth 1 gnus-select-method))))
2366 (if (or (file-exists-p real-file)
2367 (file-exists-p (concat real-file ".el"))
2368 (file-exists-p (concat real-file ".eld")))
2372 (defun gnus-newsrc-to-gnus-format ()
2373 (setq gnus-newsrc-options "")
2374 (setq gnus-newsrc-options-n nil)
2376 (unless gnus-active-hashtb
2377 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
2378 (let ((buf (current-buffer))
2379 (already-read (> (length gnus-newsrc-alist) 1))
2380 group subscribed options-symbol newsrc Options-symbol
2382 (goto-char (point-min))
2383 ;; We intern the symbol `options' in the active hashtb so that we
2384 ;; can `eq' against it later.
2385 (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil)
2386 (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil)
2389 ;; We first read the first word on the line by narrowing and
2390 ;; then reading into `gnus-active-hashtb'. Most groups will
2391 ;; already exist in that hashtb, so this will save some string
2395 (progn (skip-chars-forward "^ \t!:\n") (point)))
2396 (goto-char (point-min))
2398 (and (/= (point-min) (point-max))
2399 (let ((obarray gnus-active-hashtb)) (read buf))))
2401 ;; Now, the symbol we have read is either `options' or a group
2402 ;; name. If it is an options line, we just add it to a string.
2404 ((or (eq symbol options-symbol)
2405 (eq symbol Options-symbol))
2406 (setq gnus-newsrc-options
2407 ;; This concating is quite inefficient, but since our
2408 ;; thorough studies show that approx 99.37% of all
2409 ;; .newsrc files only contain a single options line, we
2410 ;; don't give a damn, frankly, my dear.
2411 (concat gnus-newsrc-options
2414 ;; Options may continue on the next line.
2415 (or (and (re-search-forward "^[^ \t]" nil 'move)
2416 (progn (beginning-of-line) (point)))
2420 ;; Group names can be just numbers.
2421 (when (numberp symbol)
2422 (setq symbol (intern (int-to-string symbol) gnus-active-hashtb)))
2423 (unless (boundp symbol)
2425 ;; It was a group name.
2426 (setq subscribed (eq (char-after) ?:)
2427 group (symbol-name symbol)
2430 ;; If the line ends here, this is clearly a buggy line, so
2431 ;; we put point a the beginning of line and let the cond
2432 ;; below do the error handling.
2434 ;; We skip to the beginning of the ranges.
2435 (skip-chars-forward "!: \t"))
2436 ;; We are now at the beginning of the list of read articles.
2437 ;; We read them range by range.
2440 ((looking-at "[0-9]+")
2441 ;; We narrow and read a number instead of buffer-substring/
2442 ;; string-to-int because it's faster. narrow/widen is
2443 ;; faster than save-restriction/narrow, and save-restriction
2444 ;; produces a garbage object.
2446 (narrow-to-region (match-beginning 0) (match-end 0))
2449 ;; If the next character is a dash, then this is a range.
2450 (if (eq (char-after) ?-)
2452 ;; We read the upper bound of the range.
2454 (if (not (looking-at "[0-9]+"))
2455 ;; This is a buggy line, by we pretend that
2456 ;; it's kinda OK. Perhaps the user should be
2462 (narrow-to-region (match-beginning 0)
2467 ;; It was just a simple number, so we add it to the
2470 ;; If the next char in ?\n, then we have reached the end
2471 ;; of the line and return nil.
2472 (not (eq (char-after) ?\n)))
2473 ((eq (char-after) ?\n)
2474 ;; End of line, so we end.
2477 ;; Not numbers and not eol, so this might be a buggy
2480 ;; If it was eob instead of ?\n, we allow it.
2481 ;; The line was buggy.
2483 (gnus-error 3.1 "Mangled line: %s"
2484 (buffer-substring (gnus-point-at-bol)
2485 (gnus-point-at-eol))))
2487 ;; Skip past ", ". Spaces are invalid in these ranges, but
2488 ;; we allow them, because it's a common mistake to put a
2489 ;; space after the comma.
2490 (skip-chars-forward ", "))
2492 ;; We have already read .newsrc.eld, so we gently update the
2493 ;; data in the hash table with the information we have just
2496 (let ((info (gnus-get-info group))
2499 ;; There is an entry for this file in the alist.
2501 (gnus-info-set-read info (nreverse reads))
2502 ;; We update the level very gently. In fact, we
2503 ;; only change it if there's been a status change
2504 ;; from subscribed to unsubscribed, or vice versa.
2505 (setq level (gnus-info-level info))
2506 (cond ((and (<= level gnus-level-subscribed)
2508 (setq level (if reads
2509 gnus-level-default-unsubscribed
2510 (1+ gnus-level-default-unsubscribed))))
2511 ((and (> level gnus-level-subscribed) subscribed)
2512 (setq level gnus-level-default-subscribed)))
2513 (gnus-info-set-level info level))
2514 ;; This is a new group.
2515 (setq info (list group
2517 gnus-level-default-subscribed
2519 (1+ gnus-level-subscribed)
2520 gnus-level-default-unsubscribed))
2522 (push info newsrc)))))
2525 (setq newsrc (nreverse newsrc))
2527 (if (not already-read)
2529 ;; We now have two newsrc lists - `newsrc', which is what we
2530 ;; have read from .newsrc, and `gnus-newsrc-alist', which is
2531 ;; what we've read from .newsrc.eld. We have to merge these
2532 ;; lists. We do this by "attaching" any (foreign) groups in the
2533 ;; gnus-newsrc-alist to the (native) group that precedes them.
2534 (let ((rc (cdr gnus-newsrc-alist))
2535 (prev gnus-newsrc-alist)
2538 (or (null (nth 4 (car rc))) ; It's a native group.
2539 (assoc (caar rc) newsrc) ; It's already in the alist.
2540 (if (setq entry (assoc (caar prev) newsrc))
2541 (setcdr (setq mentry (memq entry newsrc))
2542 (cons (car rc) (cdr mentry)))
2543 (push (car rc) newsrc)))
2547 (setq gnus-newsrc-alist newsrc)
2548 ;; We make the newsrc hashtb.
2549 (gnus-make-hashtable-from-newsrc-alist)
2551 ;; Finally, if we read some options lines, we parse them.
2552 (unless (string= gnus-newsrc-options "")
2553 (gnus-newsrc-parse-options gnus-newsrc-options))))
2555 ;; Parse options lines to find "options -n !all rec.all" and stuff.
2556 ;; The return value will be a list on the form
2557 ;; ((regexp1 . ignore)
2558 ;; (regexp2 . subscribe)...)
2559 ;; When handling new newsgroups, groups that match a `ignore' regexp
2560 ;; will be ignored, and groups that match a `subscribe' regexp will be
2561 ;; subscribed. A line like
2562 ;; options -n !all rec.all
2563 ;; will lead to a list that looks like
2564 ;; (("^rec\\..+" . subscribe)
2565 ;; ("^.+" . ignore))
2566 ;; So all "rec.*" groups will be subscribed, while all the other
2567 ;; groups will be ignored. Note that "options -n !all rec.all" is very
2568 ;; different from "options -n rec.all !all".
2569 (defun gnus-newsrc-parse-options (options)
2572 (gnus-set-work-buffer)
2573 (insert (regexp-quote options))
2574 ;; First we treat all continuation lines.
2575 (goto-char (point-min))
2576 (while (re-search-forward "\n[ \t]+" nil t)
2577 (replace-match " " t t))
2578 ;; Then we transform all "all"s into ".+"s.
2579 (goto-char (point-min))
2580 (while (re-search-forward "\\ball\\b" nil t)
2581 (replace-match ".+" t t))
2582 (goto-char (point-min))
2583 ;; We remove all other options than the "-n" ones.
2584 (while (re-search-forward "[ \t]-[^n][^-]*" nil t)
2587 (goto-char (point-min))
2589 ;; We are only interested in "options -n" lines - we
2590 ;; ignore the other option lines.
2591 (while (re-search-forward "[ \t]-n" nil t)
2594 (and (re-search-forward "[ \t]-n" (gnus-point-at-eol) t)
2596 (gnus-point-at-eol)))
2597 ;; Search for all "words"...
2598 (while (re-search-forward "[^ \t,\n]+" eol t)
2599 (if (eq (char-after (match-beginning 0)) ?!)
2600 ;; If the word begins with a bang (!), this is a "not"
2601 ;; spec. We put this spec (minus the bang) and the
2602 ;; symbol `ignore' into the list.
2604 "^" (buffer-substring
2605 (1+ (match-beginning 0))
2610 ;; There was no bang, so this is a "yes" spec.
2611 (push (cons (concat "^" (match-string 0) "\\($\\|\\.\\)")
2615 (setq gnus-newsrc-options-n out))))
2618 (defalias 'gnus-long-file-names
2619 (if (fboundp 'msdos-long-file-names)
2620 'msdos-long-file-names
2623 (defun gnus-save-newsrc-file (&optional force)
2624 "Save .newsrc file."
2625 ;; Note: We cannot save .newsrc file if all newsgroups are removed
2626 ;; from the variable gnus-newsrc-alist.
2627 (when (and (or gnus-newsrc-alist gnus-killed-list)
2628 gnus-current-startup-file)
2630 (if (and (or gnus-use-dribble-file gnus-slave)
2632 (or (not gnus-dribble-buffer)
2633 (not (buffer-name gnus-dribble-buffer))
2634 (zerop (save-excursion
2635 (set-buffer gnus-dribble-buffer)
2637 (gnus-message 4 "(No changes need to be saved)")
2638 (gnus-run-hooks 'gnus-save-newsrc-hook)
2640 (gnus-slave-save-newsrc)
2642 (when gnus-save-newsrc-file
2643 (gnus-message 8 "Saving %s..." gnus-current-startup-file)
2644 (gnus-gnus-to-newsrc-format)
2645 (gnus-message 8 "Saving %s...done" gnus-current-startup-file))
2646 ;; Save .newsrc.eld.
2647 (set-buffer (gnus-get-buffer-create " *Gnus-newsrc*"))
2648 (make-local-variable 'version-control)
2649 (setq version-control gnus-backup-startup-file)
2650 (setq buffer-file-name
2651 (concat gnus-current-startup-file ".eld"))
2652 (setq default-directory (file-name-directory buffer-file-name))
2653 (buffer-disable-undo)
2655 (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
2657 (if gnus-save-startup-file-via-temp-buffer
2658 (let ((coding-system-for-write gnus-ding-file-coding-system)
2659 (output-coding-system gnus-ding-file-coding-system)
2660 (standard-output (current-buffer)))
2661 (gnus-gnus-to-quick-newsrc-format)
2662 (gnus-run-hooks 'gnus-save-quick-newsrc-hook)
2664 (let ((coding-system-for-write gnus-ding-file-coding-system)
2665 (output-coding-system gnus-ding-file-coding-system)
2666 (version-control gnus-backup-startup-file)
2667 (startup-file (concat gnus-current-startup-file ".eld"))
2668 (working-dir (file-name-directory gnus-current-startup-file))
2671 ;; Generate the name of a non-existent file.
2672 (while (progn (setq working-file
2674 (if (and (eq system-type 'ms-dos)
2675 (not (gnus-long-file-names)))
2676 "%s#%d.tm#" ; MSDOS limits files to 8+3
2677 (if (memq system-type '(vax-vms axp-vms))
2680 working-dir (setq i (1+ i))))
2681 (file-exists-p working-file)))
2685 (gnus-with-output-to-file working-file
2686 (gnus-gnus-to-quick-newsrc-format)
2687 (gnus-run-hooks 'gnus-save-quick-newsrc-hook))
2689 ;; These bindings will mislead the current buffer
2690 ;; into thinking that it is visiting the startup
2692 (let ((buffer-backed-up nil)
2693 (buffer-file-name startup-file)
2694 (file-precious-flag t)
2695 (setmodes (file-modes startup-file)))
2696 ;; Backup the current version of the startup file.
2699 ;; Replace the existing startup file with the temp file.
2700 (rename-file working-file startup-file t)
2701 (set-file-modes startup-file setmodes)))
2703 (delete-file working-file)
2704 (file-error nil)))))
2706 (gnus-kill-buffer (current-buffer))
2708 5 "Saving %s.eld...done" gnus-current-startup-file))
2709 (gnus-dribble-delete-file)
2710 (gnus-group-set-mode-line))))
2711 (when gnus-product-directory
2712 (gnus-product-save-variable-file)))
2714 ;; Call the function above at C-x C-c.
2715 (defadvice save-buffers-kill-emacs (before save-gnus-newsrc-file-maybe
2716 activate preactivate)
2717 "Save .newsrc and .newsrc.eld when Emacs is killed."
2718 (when (gnus-alive-p)
2719 (gnus-run-hooks 'gnus-exit-gnus-hook)
2720 (gnus-offer-save-summaries)
2721 (gnus-save-newsrc-file)))
2723 (defun gnus-gnus-to-quick-newsrc-format (&optional minimal name &rest specific-variables)
2724 "Print Gnus variables such as `gnus-newsrc-alist' in Lisp format."
2725 (princ ";; -*- emacs-lisp -*-\n")
2727 (princ (format ";; %s\n" name))
2728 (princ ";; Gnus startup file.\n"))
2732 ;; Never delete this file -- if you want to force Gnus to read the
2733 ;; .newsrc file (if you have one), touch .newsrc instead.\n")
2734 (princ "(setq gnus-newsrc-file-version ")
2735 (princ (gnus-prin1-to-string gnus-version))
2738 (let* ((print-quoted t)
2740 (print-escape-multibyte nil)
2741 (print-escape-nonascii t)
2744 (print-escape-newlines t)
2746 (if (and gnus-save-killed-list
2747 (stringp gnus-save-killed-list))
2748 (gnus-strip-killed-list)
2751 (or specific-variables
2752 (if gnus-save-killed-list gnus-variable-list
2753 ;; Remove the `gnus-killed-list' from the list of variables
2754 ;; to be saved, if required.
2755 (delq 'gnus-killed-list (copy-sequence gnus-variable-list)))))
2756 ;; Peel off the "dummy" group.
2757 (gnus-newsrc-alist (cdr gnus-newsrc-alist))
2759 ;; Insert the variables into the file.
2761 (when (and (boundp (setq variable (pop variables)))
2762 (symbol-value variable))
2764 (princ (symbol-name variable))
2766 (prin1 (symbol-value variable))
2769 (defun gnus-product-variable-touch (&rest variables)
2771 (put (pop variables) 'gnus-product-variable 'dirty)))
2773 (defun gnus-product-variables-dirty-p (variables)
2776 (when (eq (get (car variables) 'gnus-product-variable) 'dirty)
2778 (setq variables (cdr variables)))))
2780 (defun gnus-product-save-variable-file (&optional force)
2781 "Save all product variables to files, when need to be saved."
2782 (let ((list gnus-product-variable-file-list))
2783 (gnus-make-directory gnus-product-directory)
2785 (apply 'gnus-product-save-variable-file-1 force (car list))
2786 (setq list (cdr list)))))
2788 (defun gnus-product-save-variable-file-1 (force file checking-methods coding
2790 "Save a product variable file, when need to be saved."
2792 (gnus-product-variables-dirty-p variables))
2793 (let ((product (product-find 'gnus-vers)))
2794 (set-buffer (gnus-get-buffer-create " *gnus-product*"))
2795 (make-local-variable 'version-control)
2796 (setq version-control 'never)
2797 (setq file (expand-file-name file gnus-product-directory)
2798 buffer-file-name file
2799 default-directory (file-name-directory file))
2800 (buffer-disable-undo)
2802 (gnus-message 5 "Saving %s..." file)
2803 (apply 'gnus-product-quick-file-format product checking-methods coding
2805 (save-buffer-as-coding-system coding)
2806 (kill-buffer (current-buffer))
2808 (put (car variables) 'gnus-product-variable nil)
2809 (setq variables (cdr variables)))
2811 5 "Saving %s...done" file))))
2813 (defun gnus-product-quick-file-format (product checking-methods
2814 coding &rest variables)
2815 "Insert gnus product depend variables in lisp format."
2816 (let ((print-quoted t)
2817 (print-escape-newlines t)
2818 print-length print-level variable param)
2819 (insert (format ";; -*- Mode: emacs-lisp; coding: %s -*-\n" coding))
2820 (insert (format ";; %s startup file.\n" (product-name product)))
2821 (when (setq param (cdr (assq 'product-version checking-methods)))
2822 (insert "(or (>= (product-version-compare "
2823 "(product-version (product-find 'gnus-vers))\n"
2824 "\t\t\t\t '" (apply 'prin1-to-string param) ")\n"
2826 " (error \"This file was created by later version of "
2828 (insert "(setq gnus-product-file-version\n"
2829 " '((product-version . "
2830 (prin1-to-string (product-version product)) ")\n"
2831 "\t(emacs-version . "
2832 (prin1-to-string emacs-version) ")\n"
2833 "\t(correct-string-widths . "
2834 (if gnus-use-correct-string-widths "t" "nil")
2837 (when (and (boundp (setq variable (pop variables)))
2838 (symbol-value variable))
2839 (insert "(setq " (symbol-name variable) " '")
2840 (gnus-prin1 (symbol-value variable))
2843 (defun gnus-strip-killed-list ()
2844 "Return the killed list minus the groups that match `gnus-save-killed-list'."
2845 (let ((list gnus-killed-list)
2848 (when (string-match gnus-save-killed-list (car list))
2849 (push (car list) olist))
2853 (defun gnus-gnus-to-newsrc-format ()
2854 ;; Generate and save the .newsrc file.
2856 (set-buffer (create-file-buffer gnus-current-startup-file))
2857 (let ((newsrc (cdr gnus-newsrc-alist))
2858 (standard-output (current-buffer))
2859 info ranges range method)
2860 (setq buffer-file-name gnus-current-startup-file)
2861 (setq default-directory (file-name-directory buffer-file-name))
2862 (buffer-disable-undo)
2865 (when gnus-newsrc-options
2866 (insert gnus-newsrc-options))
2867 ;; Write subscribed and unsubscribed.
2868 (while (setq info (pop newsrc))
2869 ;; Don't write foreign groups to .newsrc.
2870 (when (or (null (setq method (gnus-info-method info)))
2871 (equal method "native")
2872 (inline (gnus-server-equal method gnus-select-method)))
2873 (insert (gnus-info-group info)
2874 (if (> (gnus-info-level info) gnus-level-subscribed)
2876 (when (setq ranges (gnus-info-read info))
2878 (if (not (listp (cdr ranges)))
2879 (if (= (car ranges) (cdr ranges))
2880 (princ (car ranges))
2881 (princ (car ranges))
2883 (princ (cdr ranges)))
2884 (while (setq range (pop ranges))
2885 (if (or (atom range) (= (car range) (cdr range)))
2886 (princ (or (and (atom range) range) (car range)))
2889 (princ (cdr range)))
2893 (make-local-variable 'version-control)
2894 (setq version-control 'never)
2895 ;; It has been reported that sometime the modtime on the .newsrc
2896 ;; file seems to be off. We really do want to overwrite it, so
2897 ;; we clear the modtime here before saving. It's a bit odd,
2899 ;; sometimes the modtime clear isn't sufficient. most brute force:
2900 ;; delete the silly thing entirely first. but this fails to provide
2901 ;; such niceties as .newsrc~ creation.
2902 (if gnus-modtime-botch
2903 (delete-file gnus-startup-file)
2904 (clear-visited-file-modtime))
2905 (gnus-run-hooks 'gnus-save-standard-newsrc-hook)
2907 (kill-buffer (current-buffer)))))
2911 ;;; Slave functions.
2914 (defvar gnus-slave-mode nil)
2916 (defun gnus-slave-mode ()
2917 "Minor mode for slave Gnusae."
2918 (gnus-add-minor-mode 'gnus-slave-mode " Slave" (make-sparse-keymap))
2919 (gnus-run-hooks 'gnus-slave-mode-hook))
2921 (defun gnus-slave-save-newsrc ()
2923 (set-buffer gnus-dribble-buffer)
2925 (mm-make-temp-file (concat gnus-current-startup-file "-slave-")))
2926 (modes (ignore-errors
2927 (file-modes (concat gnus-current-startup-file ".eld")))))
2928 (gnus-write-buffer-as-coding-system gnus-ding-file-coding-system
2931 (set-file-modes slave-name modes)))))
2933 (defun gnus-master-read-slave-newsrc ()
2936 (file-name-directory gnus-current-startup-file)
2940 (file-name-nondirectory gnus-current-startup-file)
2944 (if (not slave-files)
2945 () ; There are no slave files to read.
2946 (gnus-message 7 "Reading slave newsrcs...")
2948 (set-buffer (gnus-get-buffer-create " *gnus slave*"))
2950 (sort (mapcar (lambda (file)
2951 (list (nth 5 (file-attributes file)) file))
2954 (or (< (caar f1) (caar f2))
2955 (< (nth 1 (car f1)) (nth 1 (car f2)))))))
2958 (setq file (nth 1 (car slave-files)))
2959 (nnheader-insert-file-contents file)
2960 (when (condition-case ()
2962 (eval-buffer (current-buffer))
2965 (gnus-error 3.2 "Possible error in %s" file)
2967 (unless gnus-slave ; Slaves shouldn't delete these files.
2969 (delete-file file))))
2970 (setq slave-files (cdr slave-files))))
2971 (gnus-dribble-touch)
2972 (gnus-message 7 "Reading slave newsrcs...done"))))
2976 ;;; Group description.
2979 (defun gnus-read-all-descriptions-files ()
2980 (let ((methods (cons gnus-select-method
2982 (when (gnus-archive-server-wanted-p)
2984 gnus-secondary-select-methods))))
2986 (gnus-read-descriptions-file (car methods))
2987 (setq methods (cdr methods)))
2990 (defun gnus-read-descriptions-file (&optional method)
2991 (let ((method (or method gnus-select-method))
2993 (when (stringp method)
2994 (setq method (gnus-server-to-method method)))
2995 ;; We create the hashtable whether we manage to read the desc file
2996 ;; to avoid trying to re-read after a failed read.
2997 (unless gnus-description-hashtb
2998 (setq gnus-description-hashtb
2999 (gnus-make-hashtable (length gnus-active-hashtb))))
3000 ;; Mark this method's desc file as read.
3001 (gnus-sethash (gnus-group-prefixed-name "" method) "Has read"
3002 gnus-description-hashtb)
3004 (gnus-message 5 "Reading descriptions file via %s..." (car method))
3006 ((null (gnus-get-function method 'request-list-newsgroups t))
3008 ((not (gnus-check-server method))
3009 (gnus-message 1 "Couldn't open server")
3011 ((not (gnus-request-list-newsgroups method))
3012 (gnus-message 1 "Couldn't read newsgroups descriptions")
3017 (set-buffer nntp-server-buffer)
3018 (goto-char (point-min))
3019 (when (or (search-forward "\n.\n" nil t)
3020 (goto-char (point-max)))
3022 (narrow-to-region (point-min) (point)))
3023 ;; If these are groups from a foreign select method, we insert the
3024 ;; group prefix in front of the group names.
3025 (and method (not (inline
3027 (gnus-server-get-method nil method)
3028 (gnus-server-get-method
3029 nil gnus-select-method))))
3030 (let ((prefix (gnus-group-prefixed-name "" method)))
3031 (goto-char (point-min))
3032 (while (and (not (eobp))
3033 (progn (insert prefix)
3034 (zerop (forward-line 1)))))))
3035 (goto-char (point-min))
3037 ;; If we get an error, we set group to 0, which is not a
3041 (let ((obarray gnus-description-hashtb))
3042 ;; Group is set to a symbol interned in this
3044 (read nntp-server-buffer))
3046 (skip-chars-forward " \t")
3047 ;; ... which leads to this line being effectively ignored.
3048 (when (symbolp group)
3049 (let* ((str (buffer-substring
3050 (point) (progn (end-of-line) (point))))
3051 (name (symbol-name group))
3053 (or (gnus-group-name-charset method name)
3054 (gnus-parameter-charset name)
3055 gnus-default-charset)))
3056 ;; Fixme: Don't decode in unibyte mode.
3057 (when (and str charset (featurep 'mule))
3058 (setq str (decode-coding-string str charset)))
3061 (gnus-message 5 "Reading descriptions file...done")
3064 (defun gnus-group-get-description (group)
3065 "Get the description of a group by sending XGTITLE to the server."
3066 (when (gnus-request-group-description group)
3068 (set-buffer nntp-server-buffer)
3069 (goto-char (point-min))
3070 (when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
3071 (match-string 1)))))
3074 (defun gnus-declare-backend (name &rest abilities)
3075 "Declare back end NAME with ABILITIES as a Gnus back end."
3076 (setq gnus-valid-select-methods
3077 (nconc gnus-valid-select-methods
3078 (list (apply 'list name abilities))))
3079 (gnus-redefine-select-method-widget))
3081 (defun gnus-set-default-directory ()
3082 "Set the default directory in the current buffer to `gnus-default-directory'.
3083 If this variable is nil, don't do anything."
3084 (setq default-directory
3085 (if (and gnus-default-directory
3086 (file-exists-p gnus-default-directory))
3087 (file-name-as-directory (expand-file-name gnus-default-directory))
3088 default-directory)))
3091 (defalias 'gnus-display-time-event-handler
3092 (if (gnus-boundp 'display-time-timer)
3093 'display-time-event-handler
3094 (lambda () "Does nothing as `display-time-timer' is not bound.
3095 Would otherwise be an alias for `display-time-event-handler'." nil))))
3098 (defun gnus-fixup-nnimap-unread-after-getting-new-news ()
3099 (let (server group info)
3102 (when (and (setq group (symbol-name sym))
3103 (gnus-group-entry group)
3104 (setq info (symbol-value sym)))
3105 (gnus-sethash group (cons (nth 2 info) (cdr (gnus-group-entry group)))
3106 gnus-newsrc-hashtb)))
3107 (if (boundp 'nnimap-mailbox-info)
3108 (symbol-value 'nnimap-mailbox-info)
3109 (make-vector 1 0)))))
3112 (provide 'gnus-start)
3114 ;;; gnus-start.el ends here