1 ;;; gnus-start.el --- startup functions for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
36 (autoload 'message-make-date "message")
37 (autoload 'gnus-agent-read-servers-validate "gnus-agent")
38 (autoload 'gnus-agent-save-local "gnus-agent")
39 (autoload 'gnus-agent-possibly-alter-active "gnus-agent")
44 (defvar gnus-agent-covered-methods nil)
45 (defvar gnus-agent-file-loading-local nil)
46 (defvar gnus-agent-file-loading-cache nil))
48 (defcustom gnus-startup-file (nnheader-concat gnus-home-directory ".newsrc")
50 `.newsrc-SERVER' will be used instead if that exists."
54 (defcustom gnus-backup-startup-file 'never
55 "Whether to create backup files.
56 This variable takes the same values as the `version-control'
60 :type '(choice (const :tag "Never" never)
61 (const :tag "If existing" nil)
62 (other :tag "Always" t)))
64 (defcustom gnus-save-startup-file-via-temp-buffer t
65 "Whether to write the startup file contents to a buffer then save
66 the buffer or write directly to the file. The buffer is faster
67 because all of the contents are written at once. The direct write
68 uses considerably less memory."
71 :type '(choice (const :tag "Write via buffer" t)
72 (const :tag "Write directly to file" nil)))
74 (defcustom gnus-init-file (nnheader-concat gnus-home-directory ".gnus")
75 "Your Gnus Emacs-Lisp startup file name.
76 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
80 (defcustom gnus-site-init-file
82 (concat (file-name-directory
83 (directory-file-name installation-directory))
84 "site-lisp/gnus-init")
86 "The site-wide Gnus Emacs-Lisp startup file name, or nil if none.
87 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
89 :type '(choice file (const nil)))
91 (defcustom gnus-default-subscribed-newsgroups nil
92 "List of newsgroups to subscribe, when a user runs Gnus the first time.
93 The value should be a list of strings.
94 If it is t, Gnus will not do anything special the first time it is
95 started; it'll just use the normal newsgroups subscription methods."
97 :type '(choice (repeat string) (const :tag "Nothing special" t)))
99 (defcustom gnus-use-dribble-file t
100 "*Non-nil means that Gnus will use a dribble file to store user updates.
101 If Emacs should crash without saving the .newsrc files, complete
102 information can be restored from the dribble file."
103 :group 'gnus-dribble-file
106 (defcustom gnus-dribble-directory nil
107 "*The directory where dribble files will be saved.
108 If this variable is nil, the directory where the .newsrc files are
110 :group 'gnus-dribble-file
111 :type '(choice directory (const nil)))
113 (defcustom gnus-check-new-newsgroups 'ask-server
114 "*Non-nil means that Gnus will run `gnus-find-new-newsgroups' at startup.
115 This normally finds new newsgroups by comparing the active groups the
116 servers have already reported with those Gnus already knows, either alive
119 When any of the following are true, `gnus-find-new-newsgroups' will instead
120 ask the servers (primary, secondary, and archive servers) to list new
121 groups since the last time it checked:
122 1. This variable is `ask-server'.
123 2. This variable is a list of select methods (see below).
124 3. `gnus-read-active-file' is nil or `some'.
125 4. A prefix argument is given to `gnus-find-new-newsgroups' interactively.
127 Thus, if this variable is `ask-server' or a list of select methods or
128 `gnus-read-active-file' is nil or `some', then the killed list is no
129 longer necessary, so you could safely set `gnus-save-killed-list' to nil.
131 This variable can be a list of select methods which Gnus will query with
132 the `ask-server' method in addition to the primary, secondary, and archive
136 (setq gnus-check-new-newsgroups
137 '((nntp \"some.server\") (nntp \"other.server\")))
139 If this variable is nil, then you have to tell Gnus explicitly to
140 check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups]."
142 :type '(choice (const :tag "no" nil)
143 (const :tag "by brute force" t)
144 (const :tag "ask servers" ask-server)
145 (repeat :menu-tag "ask additional servers"
146 :tag "ask additional servers"
148 (sexp :format "%v"))))
150 (defcustom gnus-check-bogus-newsgroups nil
151 "*Non-nil means that Gnus will check and remove bogus newsgroup at startup.
152 If this variable is nil, then you have to tell Gnus explicitly to
153 check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups]."
154 :group 'gnus-start-server
157 (defcustom gnus-read-active-file 'some
158 "*Non-nil means that Gnus will read the entire active file at startup.
159 If this variable is nil, Gnus will only know about the groups in your
162 If this variable is `some', Gnus will try to only read the relevant
163 parts of the active file from the server. Not all servers support
164 this, and it might be quite slow with other servers, but this should
165 generally be faster than both the t and nil value.
167 If you set this variable to nil or `some', you probably still want to
168 be told about new newsgroups that arrive. To do that, set
169 `gnus-check-new-newsgroups' to `ask-server'. This may not work
170 properly with all servers."
171 :group 'gnus-start-server
172 :type '(choice (const nil)
176 (defconst gnus-level-subscribed 5
177 "Groups with levels less than or equal to this variable are subscribed.")
179 (defconst gnus-level-unsubscribed 7
180 "Groups with levels less than or equal to this variable are unsubscribed.
181 Groups with levels less than `gnus-level-subscribed', which should be
182 less than this variable, are subscribed.")
184 (defconst gnus-level-zombie 8
185 "Groups with this level are zombie groups.")
187 (defconst gnus-level-killed 9
188 "Groups with this level are killed.")
190 (defcustom gnus-level-default-subscribed 3
191 "*New subscribed groups will be subscribed at this level."
192 :group 'gnus-group-levels
195 (defcustom gnus-level-default-unsubscribed 6
196 "*New unsubscribed groups will be unsubscribed at this level."
197 :group 'gnus-group-levels
200 (defcustom gnus-activate-level (1+ gnus-level-subscribed)
201 "*Groups higher than this level won't be activated on startup.
202 Setting this variable to something low might save lots of time when
203 you have many groups that you aren't interested in."
204 :group 'gnus-group-levels
207 (defcustom gnus-activate-foreign-newsgroups 4
208 "*If nil, Gnus will not check foreign newsgroups at startup.
209 If it is non-nil, it should be a number between one and nine. Foreign
210 newsgroups that have a level lower or equal to this number will be
211 activated on startup. For instance, if you want to active all
212 subscribed newsgroups, but not the rest, you'd set this variable to
213 `gnus-level-subscribed'.
215 If you subscribe to lots of newsgroups from different servers, startup
216 might take a while. By setting this variable to nil, you'll save time,
217 but you won't be told how many unread articles there are in the
219 :group 'gnus-group-levels
220 :type '(choice integer
221 (const :tag "none" nil)))
223 (defcustom gnus-read-newsrc-file t
224 "*Non-nil means that Gnus will read the `.newsrc' file.
225 Gnus always reads its own startup file, which is called
226 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
227 be readily understood by other newsreaders. If you don't plan on
228 using other newsreaders, set this variable to nil to save some time on
234 (defcustom gnus-save-newsrc-file t
235 "*Non-nil means that Gnus will save the `.newsrc' file.
236 Gnus always saves its own startup file, which is called
237 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
238 be readily understood by other newsreaders. If you don't plan on
239 using other newsreaders, set this variable to nil to save some time on
244 (defcustom gnus-save-killed-list t
245 "*If non-nil, save the list of killed groups to the startup file.
246 If you set this variable to nil, you'll save both time (when starting
247 and quitting) and space (both memory and disk), but it will also mean
248 that Gnus has no record of which groups are new and which are old, so
249 the automatic new newsgroups subscription methods become meaningless.
251 You should always set `gnus-check-new-newsgroups' to `ask-server' or
252 nil if you set this variable to nil.
254 This variable can also be a regexp. In that case, all groups that do
255 not match this regexp will be removed before saving the list."
257 :type '(radio (sexp :format "Non-nil\n"
258 :match (lambda (widget value)
259 (and value (not (stringp value))))
264 (defcustom gnus-ignored-newsgroups
266 '("^to\\." ; not "real" groups
267 "^[0-9. \t]+\\( \\|$\\)" ; all digits in name
268 "^[\"][]\"[#'()]" ; bogus characters
271 "*A regexp to match uninteresting newsgroups in the active file.
272 Any lines in the active file matching this regular expression are
273 removed from the newsgroup list before anything else is done to it,
274 thus making them effectively non-existent."
275 :group 'gnus-group-new
278 (defcustom gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
279 "*Function(s) called with a group name when new group is detected.
280 A few pre-made functions are supplied: `gnus-subscribe-randomly'
281 inserts new groups at the beginning of the list of groups;
282 `gnus-subscribe-alphabetically' inserts new groups in strict
283 alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
284 in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
285 for your decision; `gnus-subscribe-killed' kills all new groups;
286 `gnus-subscribe-zombies' will make all new groups into zombies;
287 `gnus-subscribe-topics' will enter groups into the topics that
289 :group 'gnus-group-new
290 :type '(radio (function-item gnus-subscribe-randomly)
291 (function-item gnus-subscribe-alphabetically)
292 (function-item gnus-subscribe-hierarchically)
293 (function-item gnus-subscribe-interactively)
294 (function-item gnus-subscribe-killed)
295 (function-item gnus-subscribe-zombies)
296 (function-item gnus-subscribe-topics)
300 (defcustom gnus-subscribe-newsgroup-hooks nil
301 "*Hooks run after you subscribe to a new group.
302 The hooks will be called with new group's name as argument."
304 :group 'gnus-group-new
307 (defcustom gnus-subscribe-options-newsgroup-method
308 'gnus-subscribe-alphabetically
309 "*Function(s) called to subscribe newsgroups mentioned on \"options -n\" lines.
310 If, for instance, you want to subscribe to all newsgroups in the
311 \"no\" and \"alt\" hierarchies, you'd put the following in your
314 options -n no.all alt.all
316 Gnus will the subscribe all new newsgroups in these hierarchies with
317 the subscription method in this variable."
318 :group 'gnus-group-new
319 :type '(radio (function-item gnus-subscribe-randomly)
320 (function-item gnus-subscribe-alphabetically)
321 (function-item gnus-subscribe-hierarchically)
322 (function-item gnus-subscribe-interactively)
323 (function-item gnus-subscribe-killed)
324 (function-item gnus-subscribe-zombies)
325 (function-item gnus-subscribe-topics)
329 (defcustom gnus-subscribe-hierarchical-interactive nil
330 "*If non-nil, Gnus will offer to subscribe hierarchically.
331 When a new hierarchy appears, Gnus will ask the user:
333 'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
335 If the user pressed `d', Gnus will descend the hierarchy, `y' will
336 subscribe to all newsgroups in the hierarchy and `s' will skip this
337 hierarchy in its entirety."
338 :group 'gnus-group-new
341 (defcustom gnus-auto-subscribed-groups
342 "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl\\|^nnmaildir"
343 "*All new groups that match this regexp will be subscribed automatically.
344 Note that this variable only deals with new groups. It has no effect
345 whatsoever on old groups.
347 New groups that match this regexp will not be handled by
348 `gnus-subscribe-newsgroup-method'. Instead, they will
349 be subscribed using `gnus-subscribe-options-newsgroup-method'."
350 :group 'gnus-group-new
353 (defcustom gnus-options-subscribe nil
354 "*All new groups matching this regexp will be subscribed unconditionally.
355 Note that this variable deals only with new newsgroups. This variable
356 does not affect old newsgroups.
358 New groups that match this regexp will not be handled by
359 `gnus-subscribe-newsgroup-method'. Instead, they will
360 be subscribed using `gnus-subscribe-options-newsgroup-method'."
361 :group 'gnus-group-new
362 :type '(choice regexp
363 (const :tag "none" nil)))
365 (defcustom gnus-options-not-subscribe nil
366 "*All new groups matching this regexp will be ignored.
367 Note that this variable deals only with new newsgroups. This variable
368 does not affect old (already subscribed) newsgroups."
369 :group 'gnus-group-new
370 :type '(choice regexp
371 (const :tag "none" nil)))
373 (defcustom gnus-modtime-botch nil
374 "*Non-nil means .newsrc should be deleted prior to save.
375 Its use is due to the bogus appearance that .newsrc was modified on
380 (defcustom gnus-check-bogus-groups-hook nil
381 "A hook run after removing bogus groups."
382 :group 'gnus-start-server
385 (defcustom gnus-startup-hook nil
386 "A hook called at startup.
387 This hook is called after Gnus is connected to the NNTP server."
391 (defcustom gnus-before-startup-hook nil
392 "A hook called at before startup.
393 This hook is called as the first thing when Gnus is started."
397 (defcustom gnus-started-hook nil
398 "A hook called as the last thing after startup."
402 (defcustom gnus-setup-news-hook
403 '(gnus-fixup-nnimap-unread-after-getting-new-news)
404 "A hook after reading the .newsrc file, but before generating the buffer."
408 (defcustom gnus-get-top-new-news-hook nil
409 "A hook run just before Gnus checks for new news globally."
411 :group 'gnus-group-new
414 (defcustom gnus-get-new-news-hook nil
415 "A hook run just before Gnus checks for new news."
416 :group 'gnus-group-new
419 (defcustom gnus-after-getting-new-news-hook
420 '(gnus-display-time-event-handler
421 gnus-fixup-nnimap-unread-after-getting-new-news)
422 "*A hook run after Gnus checks for new news when Gnus is already running."
423 :group 'gnus-group-new
426 (defcustom gnus-read-newsrc-el-hook nil
427 "A hook called after reading the newsrc.eld? file."
431 (defcustom gnus-save-newsrc-hook nil
432 "A hook called before saving any of the newsrc files."
436 (defcustom gnus-save-quick-newsrc-hook nil
437 "A hook called just before saving the quick newsrc file.
438 Can be used to turn version control on or off."
442 (defcustom gnus-save-standard-newsrc-hook nil
443 "A hook called just before saving the standard newsrc file.
444 Can be used to turn version control on or off."
448 (defcustom gnus-group-mode-hook nil
449 "Hook for Gnus group mode."
450 :group 'gnus-group-various
451 :options '(gnus-topic-mode)
454 (defcustom gnus-always-read-dribble-file nil
455 "Unconditionally read the dribble file."
459 ;;; Internal variables
461 (defvar gnus-ding-file-coding-system mm-universal-coding-system
462 "Coding system for ding file.")
464 (defvar gnus-newsrc-file-version nil)
465 (defvar gnus-override-subscribe-method nil)
466 (defvar gnus-dribble-buffer nil)
467 (defvar gnus-newsrc-options nil
468 "Options line in the .newsrc file.")
470 (defvar gnus-newsrc-options-n nil
471 "List of regexps representing groups to be subscribed/ignored unconditionally.")
473 (defvar gnus-newsrc-last-checked-date nil
474 "Date Gnus last asked server for new newsgroups.")
476 (defvar gnus-current-startup-file nil
477 "Startup file for the current host.")
479 ;; Byte-compiler warning.
480 (defvar gnus-group-line-format)
482 ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
483 (defvar gnus-init-inhibit nil)
484 (defun gnus-read-init-file (&optional inhibit-next)
485 ;; Don't load .gnus if the -q option was used.
487 (if gnus-init-inhibit
488 (setq gnus-init-inhibit nil)
489 (setq gnus-init-inhibit inhibit-next)
490 (dolist (file (list gnus-site-init-file gnus-init-file))
492 (locate-library file))
493 (if (or debug-on-error debug-on-quit)
498 (error "Error in %s: %s" file (cadr var))))))))))
500 ;; For subscribing new newsgroup
502 (defun gnus-subscribe-hierarchical-interactive (groups)
503 (let ((groups (sort groups 'string<))
504 prefixes prefix start ans group starts real-group)
506 (setq prefixes (list "^"))
507 (while (and groups prefixes)
508 (while (not (string-match (car prefixes)
509 (gnus-group-real-name (car groups))))
510 (setq prefixes (cdr prefixes)))
511 (setq prefix (car prefixes))
512 (setq start (1- (length prefix)))
513 (if (and (string-match "[^\\.]\\." (gnus-group-real-name (car groups))
517 (concat "^" (substring
518 (gnus-group-real-name (car groups))
520 (string-match prefix (gnus-group-real-name (cadr groups))))
522 (push prefix prefixes)
523 (message "Descend hierarchy %s? ([y]nsq): "
524 (substring prefix 1 (1- (length prefix))))
525 (while (not (memq (setq ans (read-char-exclusive))
526 '(?y ?\n ?\r ?n ?s ?q)))
528 (message "Descend hierarchy %s? ([y]nsq): "
529 (substring prefix 1 (1- (length prefix)))))
532 (setq group (car groups)
533 real-group (gnus-group-real-name group))
534 (string-match prefix real-group))
535 (push group gnus-killed-list)
536 (gnus-sethash group group gnus-killed-hashtb)
537 (setq groups (cdr groups)))
538 (setq starts (cdr starts)))
541 (setq group (car groups)
542 real-group (gnus-group-real-name group))
543 (string-match prefix real-group))
544 (gnus-sethash group group gnus-killed-hashtb)
545 (gnus-subscribe-alphabetically (car groups))
546 (setq groups (cdr groups)))
547 (setq starts (cdr starts)))
550 (setq group (car groups))
551 (push group gnus-killed-list)
552 (gnus-sethash group group gnus-killed-hashtb)
553 (setq groups (cdr groups))))
555 (message "Subscribe %s? ([n]yq)" (car groups))
556 (while (not (memq (setq ans (read-char-exclusive))
557 '(?y ?\n ?\r ?q ?n)))
559 (message "Subscribe %s? ([n]yq)" (car groups)))
560 (setq group (car groups))
562 (gnus-subscribe-alphabetically (car groups))
563 (gnus-sethash group group gnus-killed-hashtb))
566 (setq group (car groups))
567 (push group gnus-killed-list)
568 (gnus-sethash group group gnus-killed-hashtb)
569 (setq groups (cdr groups))))
571 (push group gnus-killed-list)
572 (gnus-sethash group group gnus-killed-hashtb)))
573 (setq groups (cdr groups)))))))
575 (defun gnus-subscribe-randomly (newsgroup)
576 "Subscribe new NEWSGROUP by making it the first newsgroup."
577 (gnus-subscribe-newsgroup newsgroup))
579 (defun gnus-subscribe-alphabetically (newgroup)
580 "Subscribe new NEWGROUP and insert it in alphabetical order."
581 (let ((groups (cdr gnus-newsrc-alist))
583 (while (and (not before) groups)
584 (if (string< newgroup (caar groups))
585 (setq before (caar groups))
586 (setq groups (cdr groups))))
587 (gnus-subscribe-newsgroup newgroup before)))
589 (defun gnus-subscribe-hierarchically (newgroup)
590 "Subscribe new NEWGROUP and insert it in hierarchical newsgroup order."
591 ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
593 (set-buffer (nnheader-find-file-noselect gnus-current-startup-file))
595 (let ((groupkey newgroup) before)
596 (while (and (not before) groupkey)
597 (goto-char (point-min))
599 (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
600 (while (and (re-search-forward groupkey-re nil t)
602 (setq before (match-string 1))
603 (string< before newgroup)))))
604 ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
606 (when (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
607 (substring groupkey (match-beginning 1) (match-end 1)))))
608 (gnus-subscribe-newsgroup newgroup before))
609 (kill-buffer (current-buffer)))))
611 (defun gnus-subscribe-interactively (group)
612 "Subscribe the new GROUP interactively.
613 It is inserted in hierarchical newsgroup order if subscribed. If not,
615 (if (gnus-y-or-n-p (format "Subscribe new newsgroup %s? " group))
616 (gnus-subscribe-hierarchically group)
617 (push group gnus-killed-list)))
619 (defun gnus-subscribe-zombies (group)
620 "Make the new GROUP into a zombie group."
621 (push group gnus-zombie-list))
623 (defun gnus-subscribe-killed (group)
624 "Make the new GROUP a killed group."
625 (push group gnus-killed-list))
627 (defun gnus-subscribe-newsgroup (newsgroup &optional next)
628 "Subscribe new NEWSGROUP.
629 If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
630 the first newsgroup."
632 (goto-char (point-min))
633 ;; We subscribe the group by changing its level to `subscribed'.
634 (gnus-group-change-level
635 newsgroup gnus-level-default-subscribed
636 gnus-level-killed (gnus-group-entry (or next "dummy.group")))
637 (gnus-message 5 "Subscribe newsgroup: %s" newsgroup)
638 (run-hook-with-args 'gnus-subscribe-newsgroup-hooks newsgroup)
641 (defun gnus-read-active-file-p ()
642 "Say whether the active file has been read from `gnus-select-method'."
643 (memq gnus-select-method gnus-have-read-active-file))
645 ;;; General various misc type functions.
647 ;; Silence byte-compiler.
649 (defvar gnus-current-headers)
650 (defvar gnus-thread-indent-array)
651 (defvar gnus-newsgroup-name)
652 (defvar gnus-newsgroup-headers)
653 (defvar gnus-group-list-mode)
654 (defvar gnus-group-mark-positions)
655 (defvar gnus-newsgroup-data)
656 (defvar gnus-newsgroup-unreads)
657 (defvar nnoo-state-alist)
658 (defvar gnus-current-select-method)
659 (defvar mail-sources)
660 (defvar nnmail-scan-directory-mail-source-once)
661 (defvar nnmail-split-history)
662 (defvar nnmail-spool-file))
664 (defun gnus-close-all-servers ()
667 (dolist (server gnus-opened-servers)
668 (gnus-close-server (car server))))
670 (defun gnus-clear-system ()
671 "Clear all variables and buffers."
672 ;; Clear Gnus variables.
673 (let ((variables (remove 'gnus-format-specs gnus-variable-list)))
675 (set (car variables) nil)
676 (setq variables (cdr variables))))
677 ;; Clear other internal variables.
678 (setq gnus-list-of-killed-groups nil
679 gnus-have-read-active-file nil
680 gnus-agent-covered-methods nil
681 gnus-agent-file-loading-local nil
682 gnus-agent-file-loading-cache nil
683 gnus-server-method-cache 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)
758 ;; Add "native" to gnus-predefined-server-alist just to have a
759 ;; name for the native select method.
760 (when gnus-select-method
761 (push (cons "native" gnus-select-method)
762 gnus-predefined-server-alist))
767 (when gnus-simple-splash
768 (setq gnus-simple-splash nil)
773 (= (frame-height) (1+ (window-height))))
776 (let ((level (and (numberp arg) (> arg 0) arg))
782 (gnus-start-news-server (and arg (not level))))))
783 (if (and (not dont-connect)
786 (gnus-run-hooks 'gnus-startup-hook)
787 ;; NNTP server is successfully open.
789 ;; Find the current startup file name.
790 (setq gnus-current-startup-file
791 (gnus-make-newsrc-file gnus-startup-file))
793 ;; Read the dribble file.
794 (when (or gnus-slave gnus-use-dribble-file)
795 (gnus-dribble-read-file))
797 ;; Do the actual startup.
799 (gnus-request-create-group "queue" '(nndraft "")))
800 (gnus-request-create-group "drafts" '(nndraft ""))
801 (gnus-setup-news nil level dont-connect)
802 (gnus-run-hooks 'gnus-setup-news-hook)
803 (gnus-start-draft-setup)
804 ;; Generate the group buffer.
805 (gnus-group-list-groups level)
806 (gnus-group-first-unread-group)
807 (gnus-configure-windows 'group)
808 (gnus-group-set-mode-line)
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-group-entry "nndraft:drafts")
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 (gnus-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)
963 (let ((method (or (and (stringp gnus-message-archive-method)
964 (gnus-server-to-method
965 gnus-message-archive-method))
966 gnus-message-archive-method)))
967 ;; Check whether the archive method is writable.
968 (unless (or (stringp method)
969 (memq 'respool (assoc (format "%s" (car method))
970 gnus-valid-select-methods)))
971 (setq method "archive")) ;; The default.
972 (push (if (stringp method)
977 ,(nnheader-concat message-directory method))
978 (nnfolder-active-file
979 ,(nnheader-concat message-directory
980 (concat method "/active")))
981 (nnfolder-get-new-mail nil)
982 (nnfolder-inhibit-expiry t))
983 (cons "archive" method))
984 gnus-server-alist))))
986 ;; If we don't read the complete active file, we fill in the
988 (when (or (null gnus-read-active-file)
989 (eq gnus-read-active-file 'some))
990 (gnus-update-active-hashtb-from-killed))
992 ;; Validate agent covered methods now that gnus-server-alist has
994 ;; NOTE: This is here for one purpose only. By validating the
995 ;; agentized server's, it converts the old 5.10.3, and earlier,
996 ;; format to the current format. That enables the agent code
997 ;; within gnus-read-active-file to function correctly.
999 (gnus-agent-read-servers-validate))
1001 ;; Read the active file and create `gnus-active-hashtb'.
1002 ;; If `gnus-read-active-file' is nil, then we just create an empty
1003 ;; hash table. The partial filling out of the hash table will be
1004 ;; done in `gnus-get-unread-articles'.
1005 (and gnus-read-active-file
1007 (gnus-read-active-file nil dont-connect))
1009 (unless gnus-active-hashtb
1010 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1012 ;; Initialize the cache.
1013 (when gnus-use-cache
1016 ;; Possibly eval the dribble file.
1018 (or gnus-use-dribble-file gnus-slave)
1019 (gnus-dribble-eval-file))
1021 ;; Slave Gnusii should then clear the dribble buffer.
1022 (when (and init gnus-slave)
1023 (gnus-dribble-clear))
1025 (gnus-update-format-specifications)
1027 ;; See whether we need to read the description file.
1028 (when (and (boundp 'gnus-group-line-format)
1029 (stringp gnus-group-line-format)
1030 (let ((case-fold-search nil))
1031 (string-match "%[-,0-9]*D" gnus-group-line-format))
1032 (not gnus-description-hashtb)
1034 gnus-read-active-file)
1035 (gnus-read-all-descriptions-files))
1037 ;; Find new newsgroups and treat them.
1038 (when (and init gnus-check-new-newsgroups (not level)
1039 (gnus-check-server gnus-select-method)
1042 (gnus-find-new-newsgroups))
1044 ;; Check and remove bogus newsgroups.
1045 (when (and init gnus-check-bogus-newsgroups
1046 gnus-read-active-file (not level)
1047 (gnus-server-opened gnus-select-method))
1048 (gnus-check-bogus-newsgroups))
1050 ;; We might read in new NoCeM messages here.
1051 (when (and gnus-use-nocem
1054 (gnus-nocem-scan-groups))
1056 ;; Read any slave files.
1057 (gnus-master-read-slave-newsrc)
1059 ;; Find the number of unread articles in each non-dead group.
1060 (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
1061 (gnus-get-unread-articles level))))
1063 (defun gnus-call-subscribe-functions (method group)
1064 "Call METHOD to subscribe GROUP.
1065 If no function returns `non-nil', call `gnus-subscribe-zombies'."
1068 (funcall method group))
1071 (dolist (func method)
1072 (if (funcall func group)
1076 (gnus-subscribe-zombies group)))
1078 (defun gnus-find-new-newsgroups (&optional arg)
1079 "Search for new newsgroups and add them.
1080 Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method'.
1081 The `-n' option line from .newsrc is respected.
1083 With 1 C-u, use the `ask-server' method to query the server for new
1085 With 2 C-u's, use most complete method possible to query the server
1086 for new groups, and subscribe the new groups as zombies."
1088 (let* ((gnus-subscribe-newsgroup-method
1089 gnus-subscribe-newsgroup-method)
1091 ((or (and (= (or arg 1) 4)
1092 (not (listp gnus-check-new-newsgroups)))
1093 (null gnus-read-active-file)
1094 (eq gnus-read-active-file 'some))
1097 (setq gnus-subscribe-newsgroup-method
1098 'gnus-subscribe-zombies)
1100 (t gnus-check-new-newsgroups))))
1101 (unless (gnus-check-first-time-used)
1102 (if (or (consp check)
1103 (eq check 'ask-server))
1104 ;; Ask the server for new groups.
1105 (gnus-ask-server-for-new-groups)
1106 ;; Go through the active hashtb and look for new groups.
1108 group new-newsgroups)
1109 (gnus-message 5 "Looking for new newsgroups...")
1110 (unless gnus-have-read-active-file
1111 (gnus-read-active-file))
1112 (setq gnus-newsrc-last-checked-date (message-make-date))
1113 (unless gnus-killed-hashtb
1114 (gnus-make-hashtable-from-killed))
1115 ;; Go though every newsgroup in `gnus-active-hashtb' and compare
1116 ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
1119 (if (or (null (setq group (symbol-name sym)))
1121 (null (symbol-value sym))
1122 (gnus-gethash group gnus-killed-hashtb)
1123 (gnus-gethash group gnus-newsrc-hashtb))
1125 (let ((do-sub (gnus-matches-options-n group)))
1127 ((eq do-sub 'subscribe)
1128 (setq groups (1+ groups))
1129 (gnus-sethash group group gnus-killed-hashtb)
1130 (gnus-call-subscribe-functions
1131 gnus-subscribe-options-newsgroup-method group))
1132 ((eq do-sub 'ignore)
1135 (setq groups (1+ groups))
1136 (gnus-sethash group group gnus-killed-hashtb)
1137 (if gnus-subscribe-hierarchical-interactive
1138 (push group new-newsgroups)
1139 (gnus-call-subscribe-functions
1140 gnus-subscribe-newsgroup-method group)))))))
1142 (when new-newsgroups
1143 (gnus-subscribe-hierarchical-interactive new-newsgroups))
1145 (gnus-message 5 "%d new newsgroup%s arrived."
1146 groups (if (> groups 1) "s have" " has"))
1147 (gnus-message 5 "No new newsgroups.")))))))
1149 (defun gnus-matches-options-n (group)
1150 ;; Returns `subscribe' if the group is to be unconditionally
1151 ;; subscribed, `ignore' if it is to be ignored, and nil if there is
1152 ;; no match for the group.
1154 ;; First we check the two user variables.
1156 ((and gnus-options-subscribe
1157 (string-match gnus-options-subscribe group))
1159 ((and gnus-auto-subscribed-groups
1160 (string-match gnus-auto-subscribed-groups group))
1162 ((and gnus-options-not-subscribe
1163 (string-match gnus-options-not-subscribe group))
1165 ;; Then we go through the list that was retrieved from the .newsrc
1166 ;; file. This list has elements on the form
1167 ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
1168 ;; is in the reverse order of the options line) is returned.
1170 (let ((regs gnus-newsrc-options-n))
1172 (not (string-match (caar regs) group)))
1173 (setq regs (cdr regs)))
1174 (and regs (cdar regs))))))
1176 (defun gnus-ask-server-for-new-groups ()
1177 (let* ((new-date (message-make-date))
1178 (date (or gnus-newsrc-last-checked-date new-date))
1179 (methods (cons gnus-select-method
1181 (when (gnus-archive-server-wanted-p)
1184 (and (consp gnus-check-new-newsgroups)
1185 gnus-check-new-newsgroups)
1186 gnus-secondary-select-methods))))
1188 group new-newsgroups got-new method hashtb
1189 gnus-override-subscribe-method)
1190 (unless gnus-killed-hashtb
1191 (gnus-make-hashtable-from-killed))
1192 ;; Go through both primary and secondary select methods and
1193 ;; request new newsgroups.
1194 (while (setq method (gnus-server-get-method nil (pop methods)))
1195 (setq new-newsgroups nil
1196 gnus-override-subscribe-method method)
1197 (when (and (gnus-check-server method)
1198 (gnus-request-newgroups date method))
1201 hashtb (gnus-make-hashtable 100))
1202 (set-buffer nntp-server-buffer)
1203 ;; Enter all the new groups into a hashtable.
1204 (gnus-active-to-gnus-format method hashtb 'ignore))
1205 ;; Now all new groups from `method' are in `hashtb'.
1208 (if (or (null (setq group (symbol-name group-sym)))
1209 (not (boundp group-sym))
1210 (null (symbol-value group-sym))
1211 (gnus-gethash group gnus-newsrc-hashtb)
1212 (member group gnus-zombie-list)
1213 (member group gnus-killed-list))
1214 ;; The group is already known.
1216 ;; Make this group active.
1217 (when (symbol-value group-sym)
1218 (gnus-set-active group (symbol-value group-sym)))
1219 ;; Check whether we want it or not.
1220 (let ((do-sub (gnus-matches-options-n group)))
1222 ((eq do-sub 'subscribe)
1224 (gnus-sethash group group gnus-killed-hashtb)
1225 (gnus-call-subscribe-functions
1226 gnus-subscribe-options-newsgroup-method group))
1227 ((eq do-sub 'ignore)
1231 (gnus-sethash group group gnus-killed-hashtb)
1232 (if gnus-subscribe-hierarchical-interactive
1233 (push group new-newsgroups)
1234 (gnus-call-subscribe-functions
1235 gnus-subscribe-newsgroup-method group)))))))
1237 (when new-newsgroups
1238 (gnus-subscribe-hierarchical-interactive new-newsgroups)))
1240 (gnus-message 5 "%d new newsgroup%s arrived"
1241 groups (if (> groups 1) "s have" " has"))
1242 (gnus-message 5 "No new newsgroups"))
1244 (setq gnus-newsrc-last-checked-date new-date))
1247 (defun gnus-check-first-time-used ()
1249 ;; First check if any of the following files exist. If they do,
1250 ;; it's not the first time the user has used Gnus.
1251 (dolist (file (list (concat gnus-current-startup-file ".el")
1252 (concat gnus-current-startup-file ".eld")
1253 (concat gnus-startup-file ".el")
1254 (concat gnus-startup-file ".eld")))
1255 (when (file-exists-p file)
1256 (throw 'ended nil)))
1257 (gnus-message 6 "First time user; subscribing you to default groups")
1258 (unless (gnus-read-active-file-p)
1259 (let ((gnus-read-active-file t))
1260 (gnus-read-active-file)))
1261 (setq gnus-newsrc-last-checked-date (message-make-date))
1262 ;; Subscribe to the default newsgroups.
1263 (let ((groups (or gnus-default-subscribed-newsgroups
1264 gnus-backup-default-subscribed-newsgroups))
1267 ;; If t, we subscribe (or not) all groups as if they were new.
1270 (when (setq group (symbol-name sym))
1271 (let ((do-sub (gnus-matches-options-n group)))
1273 ((eq do-sub 'subscribe)
1274 (gnus-sethash group group gnus-killed-hashtb)
1275 (gnus-call-subscribe-functions
1276 gnus-subscribe-options-newsgroup-method group))
1277 ((eq do-sub 'ignore)
1280 (push group gnus-killed-list))))))
1282 (dolist (group groups)
1283 ;; Only subscribe the default groups that are activated.
1284 (when (gnus-active group)
1285 (gnus-group-change-level
1286 group gnus-level-default-subscribed gnus-level-killed)))
1288 (set-buffer gnus-group-buffer)
1289 ;; Don't error if the group already exists. This happens when a
1290 ;; first-time user types 'F'. -- didier
1291 (gnus-group-make-help-group t))
1292 (when gnus-novice-user
1293 (gnus-message 7 "`A k' to list killed groups"))))))
1295 (defun gnus-subscribe-group (group &optional previous method)
1296 "Subscribe GROUP and put it after PREVIOUS."
1297 (gnus-group-change-level
1299 (list t group gnus-level-default-subscribed nil nil method)
1301 gnus-level-default-subscribed gnus-level-killed previous t)
1304 ;; `gnus-group-change-level' is the fundamental function for changing
1305 ;; subscription levels of newsgroups. This might mean just changing
1306 ;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back
1307 ;; again, which subscribes/unsubscribes a group, which is equally
1308 ;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and
1309 ;; from 8-9 to 1-7 means that you remove the group from the list of
1310 ;; killed (or zombie) groups and add them to the (kinda) subscribed
1311 ;; groups. And last but not least, moving from 8 to 9 and 9 to 8,
1312 ;; which is trivial.
1313 ;; ENTRY can either be a string (newsgroup name) or a list (if
1314 ;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST),
1315 ;; otherwise it's a list in the format of the `gnus-newsrc-hashtb'
1317 ;; LEVEL is the new level of the group, OLDLEVEL is the old level and
1318 ;; PREVIOUS is the group (in hashtb entry format) to insert this group
1320 (defun gnus-group-change-level (entry level &optional oldlevel
1321 previous fromkilled)
1322 (let (group info active num)
1323 ;; Glean what info we can from the arguments
1325 (if fromkilled (setq group (nth 1 entry))
1326 (setq group (car (nth 2 entry))))
1328 (when (and (stringp entry)
1330 (< oldlevel gnus-level-zombie))
1331 (setq entry (gnus-group-entry entry)))
1332 (if (and (not oldlevel)
1334 (setq oldlevel (gnus-info-level (nth 2 entry)))
1335 (setq oldlevel (or oldlevel gnus-level-killed)))
1336 (when (stringp previous)
1337 (setq previous (gnus-group-entry previous)))
1339 (if (and (>= oldlevel gnus-level-zombie)
1340 (gnus-group-entry group))
1341 ;; We are trying to subscribe a group that is already
1345 (unless (gnus-ephemeral-group-p group)
1347 (format "(gnus-group-change-level %S %S %S %S %S)"
1348 group level oldlevel (car (nth 2 previous)) fromkilled)))
1350 ;; Then we remove the newgroup from any old structures, if needed.
1351 ;; If the group was killed, we remove it from the killed or zombie
1352 ;; list. If not, and it is in fact going to be killed, we remove
1353 ;; it from the newsrc hash table and assoc.
1355 ((>= oldlevel gnus-level-zombie)
1356 ;; oldlevel could be wrong.
1357 (setq gnus-zombie-list (delete group gnus-zombie-list))
1358 (setq gnus-killed-list (delete group gnus-killed-list)))
1360 (when (and (>= level gnus-level-zombie)
1362 (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb)
1364 (setcdr (gnus-group-entry (car (nth 3 entry)))
1366 (setcdr (cdr entry) (cdddr entry)))))
1368 ;; Finally we enter (if needed) the list where it is supposed to
1369 ;; go, and change the subscription level. If it is to be killed,
1370 ;; we enter it into the killed or zombie list.
1372 ((>= level gnus-level-zombie)
1373 ;; Remove from the hash table.
1374 (gnus-sethash group nil gnus-newsrc-hashtb)
1375 ;; We do not enter foreign groups into the list of dead
1377 (unless (gnus-group-foreign-p group)
1378 (if (= level gnus-level-zombie)
1379 (push group gnus-zombie-list)
1380 (if (= oldlevel gnus-level-killed)
1381 ;; Remove from active hashtb.
1382 (unintern group gnus-active-hashtb)
1383 ;; Don't add it into killed-list if it was killed.
1384 (push group gnus-killed-list)))))
1386 ;; If the list is to be entered into the newsrc assoc, and
1387 ;; it was killed, we have to create an entry in the newsrc
1388 ;; hashtb format and fix the pointers in the newsrc assoc.
1389 (if (< oldlevel gnus-level-zombie)
1390 ;; It was alive, and it is going to stay alive, so we
1391 ;; just change the level and don't change any pointers or
1392 ;; hash table entries.
1393 (setcar (cdaddr entry) level)
1395 (setq info (cdr entry)
1397 (setq active (gnus-active group))
1399 (if active (- (1+ (cdr active)) (car active)) t))
1400 ;; Shorten the select method if possible, if we need to
1401 ;; store it at all (native groups).
1402 (let ((method (gnus-method-simplify
1403 (or gnus-override-subscribe-method
1404 (gnus-group-method group)))))
1406 (setq info (list group level nil nil method))
1407 (setq info (list group level nil)))))
1410 (let ((p gnus-newsrc-alist))
1414 (setq entry (cons info (cddr previous)))
1417 (setcdr (cdr previous) entry)
1418 (gnus-sethash group (cons num (cdr previous))
1419 gnus-newsrc-hashtb))
1420 (setcdr previous entry)
1421 (gnus-sethash group (cons num previous)
1422 gnus-newsrc-hashtb))
1424 (setcdr (gnus-group-entry (caadr entry)) entry))
1427 "(gnus-group-set-info '%S)" info)))))
1428 (when gnus-group-change-level-function
1429 (funcall gnus-group-change-level-function
1430 group level oldlevel previous)))))
1432 (defun gnus-kill-newsgroup (newsgroup)
1433 "Obsolete function. Kills a newsgroup."
1434 (gnus-group-change-level
1435 (gnus-group-entry newsgroup) gnus-level-killed))
1437 (defun gnus-check-bogus-newsgroups (&optional confirm)
1438 "Remove bogus newsgroups.
1439 If CONFIRM is non-nil, the user has to confirm the deletion of every
1441 (let ((newsrc (cdr gnus-newsrc-alist))
1442 bogus group entry info)
1443 (gnus-message 5 "Checking bogus newsgroups...")
1444 (unless (gnus-read-active-file-p)
1445 (gnus-read-active-file t))
1446 (when (gnus-read-active-file-p)
1447 ;; Find all bogus newsgroup that are subscribed.
1449 (setq info (pop newsrc)
1450 group (gnus-info-group info))
1451 (unless (or (gnus-active group) ; Active
1452 (and (gnus-info-method info)
1453 (not (gnus-secondary-method-p
1454 (gnus-info-method info))))) ; Foreign
1455 ;; Found a bogus newsgroup.
1456 (push group bogus)))
1459 "Remove bogus group %s? "
1461 ;; Remove all bogus subscribed groups by first killing them, and
1462 ;; then removing them from the list of killed groups.
1463 (when (setq entry (gnus-group-entry group))
1464 (gnus-group-change-level entry gnus-level-killed)
1465 (setq gnus-killed-list (delete group gnus-killed-list))))
1466 bogus '("group" "groups" "remove"))
1467 (while (setq group (pop bogus))
1468 ;; Remove all bogus subscribed groups by first killing them, and
1469 ;; then removing them from the list of killed groups.
1470 (when (setq entry (gnus-group-entry group))
1471 (gnus-group-change-level entry gnus-level-killed)
1472 (setq gnus-killed-list (delete group gnus-killed-list)))))
1473 ;; Then we remove all bogus groups from the list of killed and
1474 ;; zombie groups. They are removed without confirmation.
1475 (let ((dead-lists '(gnus-killed-list gnus-zombie-list))
1478 (setq killed (symbol-value (car dead-lists)))
1480 (unless (gnus-active (setq group (pop killed)))
1481 ;; The group is bogus.
1483 (set (car dead-lists)
1484 (delete group (symbol-value (car dead-lists))))))
1485 (setq dead-lists (cdr dead-lists))))
1486 (gnus-run-hooks 'gnus-check-bogus-groups-hook)
1487 (gnus-message 5 "Checking bogus newsgroups...done"))))
1489 (defun gnus-check-duplicate-killed-groups ()
1490 "Remove duplicates from the list of killed groups."
1492 (let ((killed gnus-killed-list))
1494 (gnus-message 9 "%d" (length killed))
1495 (setcdr killed (delete (car killed) (cdr killed)))
1496 (setq killed (cdr killed)))))
1498 ;; We want to inline a function from gnus-cache, so we cheat here:
1500 (defvar gnus-cache-active-hashtb)
1501 (defun gnus-cache-possibly-alter-active (group active)
1502 "Alter the ACTIVE info for GROUP to reflect the articles in the cache."
1503 (when gnus-cache-active-hashtb
1504 (let ((cache-active (gnus-gethash group gnus-cache-active-hashtb)))
1506 (when (< (car cache-active) (car active))
1507 (setcar active (car cache-active)))
1508 (when (> (cdr cache-active) (cdr active))
1509 (setcdr active (cdr cache-active))))))))
1511 (defun gnus-activate-group (group &optional scan dont-check method)
1512 "Check whether a group has been activated or not.
1513 If SCAN, request a scan of that group as well."
1514 (let ((method (or method (inline (gnus-find-method-for-group group))))
1516 (and (inline (gnus-check-server method))
1517 ;; We escape all bugs and quit here to make it possible to
1518 ;; continue if a group is so out-there that it reports bugs
1522 (gnus-check-backend-function 'request-scan (car method))
1523 (gnus-request-scan group method))
1525 (if (or debug-on-error debug-on-quit)
1526 (inline (gnus-request-group group dont-check method))
1528 (inline (gnus-request-group group dont-check method))
1531 (message "Quit activating %s" group)
1534 (setq active (gnus-parse-active))
1535 ;; If there are no articles in the group, the GROUP
1536 ;; command may have responded with the `(0 . 0)'. We
1537 ;; ignore this if we already have an active entry
1539 (if (and (zerop (or (car active) 0))
1540 (zerop (or (cdr active) 0))
1541 (gnus-active group))
1544 ;; If a cache is present, we may have to alter the active info.
1545 (when gnus-use-cache
1546 (inline (gnus-cache-possibly-alter-active
1549 ;; If the agent is enabled, we may have to alter the active info.
1551 (gnus-agent-possibly-alter-active group active))
1553 (gnus-set-active group active)
1554 ;; Return the new active info.
1557 (defun gnus-get-unread-articles-in-group (info active &optional update)
1558 (when (and info active)
1559 ;; Allow the backend to update the info in the group.
1561 (gnus-request-update-info
1562 info (inline (gnus-find-method-for-group
1563 (gnus-info-group info)))))
1564 (gnus-activate-group (gnus-info-group info) nil t))
1566 (let* ((range (gnus-info-read info))
1569 ;; These checks are present in gnus-activate-group but skipped
1570 ;; due to setting dont-check in the preceeding call.
1572 ;; If a cache is present, we may have to alter the active info.
1573 (when (and gnus-use-cache info)
1574 (inline (gnus-cache-possibly-alter-active
1575 (gnus-info-group info) active)))
1577 ;; If the agent is enabled, we may have to alter the active info.
1578 (when (and gnus-agent info)
1579 (gnus-agent-possibly-alter-active (gnus-info-group info) active info))
1581 ;; Modify the list of read articles according to what articles
1582 ;; are available; then tally the unread articles and add the
1583 ;; number to the group hash table entry.
1585 ((zerop (cdr active))
1588 (setq num (- (1+ (cdr active)) (car active))))
1589 ((not (listp (cdr range)))
1590 ;; Fix a single (num . num) range according to the
1591 ;; active hash table.
1592 ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>.
1593 (and (< (cdr range) (car active)) (setcdr range (1- (car active))))
1594 (and (> (cdr range) (cdr active)) (setcdr range (cdr active)))
1595 ;; Compute number of unread articles.
1596 (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range))))))
1598 ;; The read list is a list of ranges. Fix them according to
1599 ;; the active hash table.
1600 ;; First peel off any elements that are below the lower
1602 (while (and (cdr range)
1604 (or (and (atom (cadr range)) (cadr range))
1606 (if (numberp (car range))
1609 (or (and (numberp (cadr range))
1613 (or (and (numberp (nth 1 range)) (nth 1 range))
1615 (setcdr range (cddr range)))
1616 ;; Adjust the first element to be the same as the lower limit.
1617 (when (and (not (atom (car range)))
1618 (< (cdar range) (car active)))
1619 (setcdr (car range) (1- (car active))))
1620 ;; Then we want to peel off any elements that are higher
1621 ;; than the upper active limit.
1622 (let ((srange range))
1623 ;; Go past all valid elements.
1624 (while (and (cdr srange)
1625 (<= (or (and (atom (cadr srange))
1629 (setq srange (cdr srange)))
1631 ;; Nuke all remaining invalid elements.
1632 (setcdr srange nil))
1634 ;; Adjust the final element.
1635 (when (and (not (atom (car srange)))
1636 (> (cdar srange) (cdr active)))
1637 (setcdr (car srange) (cdr active))))
1638 ;; Compute the number of unread articles.
1640 (setq num (+ num (- (1+ (or (and (atom (car range)) (car range))
1642 (or (and (atom (car range)) (car range))
1644 (setq range (cdr range)))
1645 (setq num (max 0 (- (cdr active) num)))))
1646 ;; Set the number of unread articles.
1648 (gnus-group-entry (gnus-info-group info)))
1649 (setcar (gnus-group-entry (gnus-info-group info)) num))
1652 ;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb'
1653 ;; and compute how many unread articles there are in each group.
1654 (defun gnus-get-unread-articles (&optional level)
1655 (setq gnus-server-method-cache nil)
1656 (let* ((newsrc (cdr gnus-newsrc-alist))
1657 (level (or level gnus-activate-level (1+ gnus-level-subscribed)))
1660 (cond ((and gnus-activate-foreign-newsgroups
1661 (not (numberp gnus-activate-foreign-newsgroups)))
1662 (1+ gnus-level-subscribed))
1663 ((numberp gnus-activate-foreign-newsgroups)
1664 gnus-activate-foreign-newsgroups)
1669 scanned-methods info group active method retrieve-groups cmethod
1671 (gnus-message 6 "Checking new news...")
1674 (setq active (gnus-active (setq group (gnus-info-group
1675 (setq info (pop newsrc))))))
1677 ;; Check newsgroups. If the user doesn't want to check them, or
1678 ;; they can't be checked (for instance, if the news server can't
1679 ;; be reached) we just set the number of unread articles in this
1680 ;; newsgroup to t. This means that Gnus thinks that there are
1681 ;; unread articles, but it has no idea how many.
1683 ;; To be more explicit:
1684 ;; >0 for an active group with messages
1685 ;; 0 for an active group with no unread messages
1686 ;; nil for non-foreign groups that the user has requested not be checked
1687 ;; t for unchecked foreign groups or bogus groups, or groups that can't
1688 ;; be checked, for one reason or other.
1689 (when (setq method (gnus-info-method info))
1690 (if (setq cmethod (assoc method methods-cache))
1691 (setq method (cdr cmethod))
1692 (setq cmethod (inline (gnus-server-get-method nil method)))
1693 (push (cons method cmethod) methods-cache)
1694 (setq method cmethod)))
1696 (not (setq method-type (cdr (assoc method type-cache)))))
1699 ((gnus-secondary-method-p method)
1701 ((inline (gnus-server-equal gnus-select-method method))
1705 (push (cons method method-type) type-cache))
1708 (cond ((and method (eq method-type 'foreign))
1709 ;; These groups are foreign. Check the level.
1710 (if (<= (gnus-info-level info) foreign-level)
1711 (when (setq active (gnus-activate-group group 'scan))
1712 ;; Let the Gnus agent save the active file.
1713 (when (and gnus-agent active (gnus-online method))
1714 (gnus-agent-save-group-info
1715 method (gnus-group-real-name group) active))
1716 (unless (inline (gnus-virtual-group-p group))
1717 (inline (gnus-close-group group)))
1718 (when (fboundp (intern (concat (symbol-name (car method))
1719 "-request-update-info")))
1720 (inline (gnus-request-update-info info method))))
1722 ;; These groups are native or secondary.
1723 ((> (gnus-info-level info) level)
1724 ;; We don't want these groups.
1725 (setq active 'ignore))
1727 ((not gnus-read-active-file)
1728 (if (gnus-check-backend-function 'retrieve-groups group)
1729 ;; if server support gnus-retrieve-groups we push
1730 ;; the group onto retrievegroups for later checking
1731 (if (assoc method retrieve-groups)
1732 (setcdr (assoc method retrieve-groups)
1733 (cons group (cdr (assoc method retrieve-groups))))
1734 (push (list method group) retrieve-groups))
1735 ;; hack: `nnmail-get-new-mail' changes the mail-source depending
1736 ;; on the group, so we must perform a scan for every group
1737 ;; if the users has any directory mail sources.
1738 ;; hack: if `nnmail-scan-directory-mail-source-once' is non-nil,
1739 ;; for it scan all spool files even when the groups are
1742 (or nnmail-scan-directory-mail-source-once
1743 (null (assq 'directory
1745 (if (listp nnmail-spool-file)
1747 (list nnmail-spool-file))))))
1748 (member method scanned-methods))
1749 (setq active (gnus-activate-group group))
1750 (setq active (gnus-activate-group group 'scan))
1751 (push method scanned-methods))
1753 (gnus-close-group group)))))
1755 ;; Get the number of unread articles in the group.
1757 ((eq active 'ignore)
1758 ;; Don't do anything.
1760 ((and active ignore)
1761 ;; The level of the foreign group is higher than the specified
1765 (inline (gnus-get-unread-articles-in-group info active t)))
1767 ;; The group couldn't be reached, so we nix out the number of
1768 ;; unread articles and stuff.
1769 (gnus-set-active group nil)
1770 (let ((tmp (gnus-group-entry group)))
1774 ;; iterate through groups on methods which support gnus-retrieve-groups
1775 ;; and fetch a partial active file and use it to find new news.
1776 (dolist (rg retrieve-groups)
1777 (let ((method (or (car rg) gnus-select-method))
1779 (when (gnus-check-server method)
1780 ;; Request that the backend scan its incoming messages.
1781 (when (gnus-check-backend-function 'request-scan (car method))
1782 (gnus-request-scan nil method))
1783 (gnus-read-active-file-2
1784 (mapcar (lambda (group) (gnus-group-real-name group)) groups)
1786 (dolist (group groups)
1788 ((setq active (gnus-active (gnus-info-group
1789 (setq info (gnus-get-info group)))))
1790 (inline (gnus-get-unread-articles-in-group info active t)))
1792 ;; The group couldn't be reached, so we nix out the number of
1793 ;; unread articles and stuff.
1794 (gnus-set-active group nil)
1795 (setcar (gnus-group-entry group) t)))))))
1797 (gnus-message 6 "Checking new news...done")))
1799 ;; Create a hash table out of the newsrc alist. The `car's of the
1800 ;; alist elements are used as keys.
1801 (defun gnus-make-hashtable-from-newsrc-alist ()
1802 (let ((alist gnus-newsrc-alist)
1803 (ohashtb gnus-newsrc-hashtb)
1804 prev info method rest methods)
1805 (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
1807 (setq prev (setq gnus-newsrc-alist
1808 (if (equal (caar gnus-newsrc-alist)
1811 (cons (list "dummy.group" 0 nil) alist)))))
1813 (setq info (car alist))
1814 ;; Make the same select-methods identical Lisp objects.
1815 (when (setq method (gnus-info-method info))
1816 (if (setq rest (member method methods))
1817 (gnus-info-set-method info (car rest))
1818 (push method methods)))
1821 ;; Preserve number of unread articles in groups.
1822 (cons (and ohashtb (car (gnus-gethash (car info) ohashtb)))
1827 ;; Make the same select-methods in `gnus-server-alist' identical
1830 (setq method (pop methods))
1831 (when (setq rest (rassoc method gnus-server-alist))
1832 (setcdr rest method)))))
1834 (defun gnus-make-hashtable-from-killed ()
1835 "Create a hash table from the killed and zombie lists."
1836 (let ((lists '(gnus-killed-list gnus-zombie-list))
1838 (setq gnus-killed-hashtb
1839 (gnus-make-hashtable
1840 (+ (length gnus-killed-list) (length gnus-zombie-list))))
1842 (setq list (symbol-value (pop lists)))
1844 (gnus-sethash (car list) (pop list) gnus-killed-hashtb)))))
1846 (defun gnus-parse-active ()
1847 "Parse active info in the nntp server buffer."
1849 (set-buffer nntp-server-buffer)
1850 (goto-char (point-min))
1851 ;; Parse the result we got from `gnus-request-group'.
1852 (when (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
1853 (goto-char (match-beginning 1))
1854 (cons (read (current-buffer))
1855 (read (current-buffer))))))
1857 (defun gnus-make-articles-unread (group articles)
1858 "Mark ARTICLES in GROUP as unread."
1859 (let* ((info (nth 2 (or (gnus-group-entry group)
1861 (gnus-group-real-name group)))))
1862 (ranges (gnus-info-read info))
1865 (when (gnus-member-of-range
1866 (setq article (pop articles)) ranges)
1867 (push article news)))
1869 ;; Enter this list into the group info.
1871 info (gnus-remove-from-range (gnus-info-read info) (nreverse news)))
1873 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1874 (gnus-get-unread-articles-in-group info (gnus-active group))
1876 ;; Insert the change into the group buffer and the dribble file.
1877 (gnus-group-update-group group t))))
1879 (defun gnus-make-ascending-articles-unread (group articles)
1880 "Mark ascending ARTICLES in GROUP as unread."
1881 (let* ((entry (or (gnus-group-entry group)
1882 (gnus-group-entry (gnus-group-real-name group))))
1883 (info (nth 2 entry))
1884 (ranges (gnus-info-read info))
1889 (let ((article (pop articles))) ; get the next article to remove from ranges
1890 (while (let ((range (car ranges))) ; note the current range
1891 (if (atom range) ; single value range
1893 ;; the articles extend past the end of the ranges
1895 (setq articles nil))
1897 ;; this range preceeds the article. Leave the range unmodified.
1901 ;; this range exactly matches the article; REMOVE THE RANGE.
1902 ;; NOTE: When the range being removed is the last range, the list is corrupted by inserting null at its end.
1903 (setcar ranges (cadr ranges))
1904 (setcdr ranges (cddr ranges))
1905 (setq modified (if (car ranges) t 'remove-null))
1907 (let ((min (car range))
1909 ;; I have a min/max range to consider
1910 (cond ((> min max) ; invalid range introduced by splitter
1911 (setcar ranges (cadr ranges))
1912 (setcdr ranges (cddr ranges))
1913 (setq modified (if (car ranges) t 'remove-null))
1916 ;; replace min/max range with a single-value range
1920 ;; this range preceeds the article. Leave the range unmodified.
1924 ;; this article preceeds the range. Return null to move to the
1928 ;; this article splits the range into two parts
1929 (setcdr ranges (cons (cons (1+ article) max) (cdr ranges)))
1930 (setcdr range (1- article))
1935 (when (eq modified 'remove-null)
1936 (setq r (delq nil r)))
1937 ;; Enter this list into the group info.
1938 (gnus-info-set-read info r)
1940 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1941 (gnus-get-unread-articles-in-group info (gnus-active group))
1943 ;; Insert the change into the group buffer and the dribble file.
1944 (gnus-group-update-group group t))))
1946 ;; Enter all dead groups into the hashtb.
1947 (defun gnus-update-active-hashtb-from-killed ()
1948 (let ((hashtb (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1949 (lists (list gnus-killed-list gnus-zombie-list))
1952 (setq killed (car lists))
1954 (gnus-sethash (car killed) nil hashtb)
1955 (setq killed (cdr killed)))
1956 (setq lists (cdr lists)))))
1958 (defun gnus-get-killed-groups ()
1959 "Go through the active hashtb and mark all unknown groups as killed."
1960 ;; First make sure active file has been read.
1961 (unless (gnus-read-active-file-p)
1962 (let ((gnus-read-active-file t))
1963 (gnus-read-active-file)))
1964 (unless gnus-killed-hashtb
1965 (gnus-make-hashtable-from-killed))
1966 ;; Go through all newsgroups that are known to Gnus - enlarge kill list.
1970 (group (symbol-name sym)))
1971 (if (or (null group)
1972 (gnus-gethash group gnus-killed-hashtb)
1973 (gnus-gethash group gnus-newsrc-hashtb))
1975 (let ((do-sub (gnus-matches-options-n group)))
1976 (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore))
1978 (setq groups (1+ groups))
1979 (push group gnus-killed-list)
1980 (gnus-sethash group group gnus-killed-hashtb))))))
1982 (gnus-dribble-touch))
1984 ;; Get the active file(s) from the backend(s).
1985 (defun gnus-read-active-file (&optional force not-native)
1986 (gnus-group-set-mode-line)
1989 (lambda (m) (if (stringp m) (gnus-server-get-method nil m) m))
1991 (if (and (not not-native)
1992 (gnus-check-server gnus-select-method))
1993 ;; The native server is available.
1994 (cons gnus-select-method gnus-secondary-select-methods)
1995 ;; The native server is down, so we just do the
1997 gnus-secondary-select-methods)
1998 ;; Also read from the archive server.
1999 (when (gnus-archive-server-wanted-p)
2000 (list "archive")))))
2002 (setq gnus-have-read-active-file nil)
2004 (set-buffer nntp-server-buffer)
2005 (while (setq method (pop methods))
2006 ;; Only do each method once, in case the methods appear more
2007 ;; than once in this list.
2008 (unless (member method methods)
2009 (if (or debug-on-error debug-on-quit)
2010 (gnus-read-active-file-1 method force)
2012 (gnus-read-active-file-1 method force)
2013 ;; We catch C-g so that we can continue past servers
2014 ;; that do not respond.
2016 (message "Quit reading the active file")
2019 (defun gnus-read-active-file-1 (method force)
2021 (setq where (nth 1 method)
2022 mesg (format "Reading active file%s via %s..."
2023 (if (and where (not (zerop (length where))))
2024 (concat " from " where) "")
2026 (gnus-message 5 mesg)
2027 (when (gnus-check-server method)
2028 ;; Request that the backend scan its incoming messages.
2029 (when (gnus-check-backend-function 'request-scan (car method))
2030 (gnus-request-scan nil method))
2032 ((and (eq gnus-read-active-file 'some)
2033 (gnus-check-backend-function 'retrieve-groups (car method))
2035 (let ((newsrc (cdr gnus-newsrc-alist))
2036 (gmethod (gnus-server-get-method nil method))
2038 (while (setq info (pop newsrc))
2042 (gnus-find-method-for-group
2043 (gnus-info-group info) info))
2045 (push (gnus-group-real-name (gnus-info-group info))
2047 (gnus-read-active-file-2 groups method)))
2051 (if (not (gnus-request-list method))
2052 (unless (equal method gnus-message-archive-method)
2053 (gnus-error 1 "Cannot read active file from %s server"
2055 (gnus-message 5 mesg)
2056 (gnus-active-to-gnus-format method gnus-active-hashtb nil t)
2057 ;; We mark this active file as read.
2058 (push method gnus-have-read-active-file)
2059 (gnus-message 5 "%sdone" mesg)))))))
2061 (defun gnus-read-active-file-2 (groups method)
2062 "Read an active file for GROUPS in METHOD using `gnus-retrieve-groups'."
2065 (set-buffer nntp-server-buffer)
2066 (gnus-check-server method)
2067 (let ((list-type (gnus-retrieve-groups groups method)))
2068 (cond ((not list-type)
2070 1.2 "Cannot read partial active file from %s server."
2072 ((eq list-type 'active)
2073 (gnus-active-to-gnus-format method gnus-active-hashtb nil t))
2075 (gnus-groups-to-gnus-format method gnus-active-hashtb t)))))))
2077 ;; Read an active file and place the results in `gnus-active-hashtb'.
2078 (defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors
2081 (setq method gnus-select-method))
2082 (let ((cur (current-buffer))
2084 (if (and gnus-active-hashtb
2085 (not (equal method gnus-select-method)))
2087 (setq gnus-active-hashtb
2088 (if (equal method gnus-select-method)
2089 (gnus-make-hashtable
2090 (count-lines (point-min) (point-max)))
2091 (gnus-make-hashtable 4096)))))))
2092 ;; Delete unnecessary lines.
2093 (goto-char (point-min))
2095 ((string= gnus-ignored-newsgroups "")
2096 (delete-matching-lines "^to\\."))
2098 (delete-matching-lines (concat "^to\\.\\|" gnus-ignored-newsgroups))))
2100 (goto-char (point-min))
2101 (unless (re-search-forward "[\\\"]" nil t)
2102 ;; Make the group names readable as a lisp expression even if they
2103 ;; contain special characters.
2104 (goto-char (point-max))
2105 (while (re-search-backward "[][';?()#]" nil t)
2108 ;; Let the Gnus agent save the active file.
2109 (when (and gnus-agent real-active (gnus-online method))
2110 (gnus-agent-save-active method))
2112 ;; If these are groups from a foreign select method, we insert the
2113 ;; group prefix in front of the group names.
2114 (when (not (gnus-server-equal
2115 (gnus-server-get-method nil method)
2116 (gnus-server-get-method nil gnus-select-method)))
2117 (let ((prefix (gnus-group-prefixed-name "" method)))
2118 (goto-char (point-min))
2119 (while (and (not (eobp))
2121 (when (= (following-char) ?\")
2124 (zerop (forward-line 1)))))))
2125 ;; Store the active file in a hash table.
2126 (goto-char (point-min))
2127 (let (group max min)
2131 (narrow-to-region (point) (point-at-eol))
2132 ;; group gets set to a symbol interned in the hash table
2133 ;; (what a hack!!) - jwz
2134 (setq group (let ((obarray hashtb)) (read cur)))
2135 ;; ### The extended group name scheme makes
2136 ;; the previous optimization strategy sort of pointless...
2137 (when (stringp group)
2138 (setq group (intern group hashtb)))
2139 (if (and (numberp (setq max (read cur)))
2140 (numberp (setq min (read cur)))
2142 (skip-chars-forward " \t")
2144 (or (eq (char-after) ?=)
2145 (eq (char-after) ?x)
2146 (eq (char-after) ?j)))))
2148 (set group (cons min max))
2149 ;; if group is moderated, stick in moderation table
2150 (when (eq (char-after) ?m)
2151 (unless gnus-moderated-hashtb
2152 (setq gnus-moderated-hashtb (gnus-make-hashtable)))
2153 (gnus-sethash (symbol-name group) t
2154 gnus-moderated-hashtb)))
2160 (unless ignore-errors
2161 (gnus-message 3 "Warning - invalid active: %s"
2163 (point-at-bol) (point-at-eol))))))
2165 (forward-line 1)))))
2167 (defun gnus-groups-to-gnus-format (method &optional hashtb real-active)
2168 ;; Parse a "groups" active file.
2169 (let ((cur (current-buffer))
2171 (if (and method gnus-active-hashtb)
2173 (setq gnus-active-hashtb
2174 (gnus-make-hashtable
2175 (count-lines (point-min) (point-max)))))))
2177 (not (gnus-server-equal
2178 (gnus-server-get-method nil method)
2179 (gnus-server-get-method nil gnus-select-method)))
2180 (gnus-group-prefixed-name "" method))))
2182 ;; Let the Gnus agent save the active file.
2185 (gnus-online method)
2186 (gnus-agent-method-p method))
2188 (gnus-agent-save-active method)
2189 (gnus-active-to-gnus-format method hashtb nil real-active))
2191 (goto-char (point-min))
2192 ;; We split this into to separate loops, one with the prefix
2193 ;; and one without to speed the reading up somewhat.
2195 (let (min max opoint group)
2199 (read cur) (read cur)
2200 (setq min (read cur)
2203 (skip-chars-forward " \t")
2206 (set (let ((obarray hashtb)) (read cur))
2208 (error (and group (symbolp group) (set group nil))))
2210 (let (min max group)
2213 (when (eq (char-after) ?2)
2214 (read cur) (read cur)
2215 (setq min (read cur)
2217 (set (setq group (let ((obarray hashtb)) (read cur)))
2219 (error (and group (symbolp group) (set group nil))))
2220 (forward-line 1)))))))
2222 (defun gnus-read-newsrc-file (&optional force)
2224 If FORCE is non-nil, the .newsrc file is read."
2225 ;; Reset variables that might be defined in the .newsrc.eld file.
2226 (let ((variables (remove 'gnus-format-specs gnus-variable-list)))
2228 (set (car variables) nil)
2229 (setq variables (cdr variables))))
2230 (let* ((newsrc-file gnus-current-startup-file)
2231 (quick-file (concat newsrc-file ".el")))
2233 ;; We always load the .newsrc.eld file. If always contains
2234 ;; much information that can not be gotten from the .newsrc
2235 ;; file (ticked articles, killed groups, foreign methods, etc.)
2236 (gnus-read-newsrc-el-file quick-file)
2238 (when (and gnus-read-newsrc-file
2239 (file-exists-p gnus-current-startup-file)
2241 (and (file-newer-than-file-p newsrc-file quick-file)
2242 (file-newer-than-file-p newsrc-file
2243 (concat quick-file "d")))
2244 (not gnus-newsrc-alist)))
2245 ;; We read the .newsrc file. Note that if there if a
2246 ;; .newsrc.eld file exists, it has already been read, and
2247 ;; the `gnus-newsrc-hashtb' has been created. While reading
2248 ;; the .newsrc file, Gnus will only use the information it
2249 ;; can find there for changing the data already read -
2250 ;; i. e., reading the .newsrc file will not trash the data
2251 ;; already read (except for read articles).
2253 (gnus-message 5 "Reading %s..." newsrc-file)
2254 (set-buffer (nnheader-find-file-noselect newsrc-file))
2255 (buffer-disable-undo)
2256 (gnus-newsrc-to-gnus-format)
2257 (kill-buffer (current-buffer))
2258 (gnus-message 5 "Reading %s...done" newsrc-file)))
2260 ;; Convert old to new.
2261 (gnus-convert-old-newsrc))))
2263 (defun gnus-convert-old-newsrc ()
2264 "Convert old newsrc formats into the current format, if needed."
2265 (let ((fcv (and gnus-newsrc-file-version
2266 (gnus-continuum-version gnus-newsrc-file-version)))
2267 (gcv (gnus-continuum-version)))
2269 ;; A newsrc file was loaded.
2270 (let (prompt-displayed
2273 (mapcar (lambda (date-func)
2274 (cons (gnus-continuum-version (car date-func))
2276 ;; This is a list of converters that must be run
2277 ;; to bring the newsrc file up to the current
2278 ;; version. If you create an incompatibility
2279 ;; with older versions, you should create an
2280 ;; entry here. The entry should consist of the
2281 ;; current gnus version (hardcoded so that it
2282 ;; doesn't change with each release) and the
2283 ;; function that must be applied to convert the
2284 ;; previous version into the current version.
2285 '(("September Gnus v0.1" nil
2286 gnus-convert-old-ticks)
2287 ("Oort Gnus v0.08" "legacy-gnus-agent"
2288 gnus-agent-convert-to-compressed-agentview)
2289 ("Gnus v5.10.7" "legacy-gnus-agent"
2290 gnus-agent-unlist-expire-days)
2291 ("Gnus v5.10.7" "legacy-gnus-agent"
2292 gnus-agent-unhook-expire-days)))
2293 #'car-less-than-car)))
2294 ;; Skip converters older than the file version
2295 (while (and converters (>= fcv (caar converters)))
2298 ;; Perform converters to bring older version up to date.
2299 (when (and converters (< fcv (caar converters)))
2300 (while (and converters (< fcv (caar converters))
2301 (<= (caar converters) gcv))
2302 (let* ((converter-spec (pop converters))
2303 (convert-to (nth 1 converter-spec))
2304 (load-from (nth 2 converter-spec))
2305 (func (nth 3 converter-spec)))
2306 (when (and load-from
2307 (not (fboundp func)))
2309 (or prompt-displayed
2310 (not (gnus-convert-converter-needs-prompt func))
2312 (cursor-in-echo-area t)
2313 (echo-keystrokes 0))
2314 (message "Convert gnus from version '%s' to '%s'? (n/y/?)"
2315 gnus-newsrc-file-version gnus-version)
2316 (setq c (read-char-exclusive))
2318 (cond ((or (eq c ?n) (eq c ?N))
2319 (error "Can not start gnus without converting"))
2320 ((or (eq c ?y) (eq c ?Y))
2321 (setq prompt-displayed t)
2324 (message "This conversion is irreversible. \
2325 To be safe, you should backup your files before proceeding.")
2329 (gnus-message 3 "Ignoring unexpected input")
2333 (funcall func convert-to)))
2335 (format ";Converted gnus from version '%s' to '%s'."
2336 gnus-newsrc-file-version gnus-version)))))))
2338 (defun gnus-convert-mark-converter-prompt (converter no-prompt)
2339 "Indicate whether CONVERTER requires gnus-convert-old-newsrc to
2340 display the conversion prompt. NO-PROMPT may be nil (prompt),
2341 t (no prompt), or any form that can be called as a function.
2342 The form should return either t or nil."
2343 (put converter 'gnus-convert-no-prompt no-prompt))
2345 (defun gnus-convert-converter-needs-prompt (converter)
2346 (let ((no-prompt (get converter 'gnus-convert-no-prompt)))
2347 (not (if (memq no-prompt '(t nil))
2349 (funcall no-prompt)))))
2351 (defun gnus-convert-old-ticks (converting-to)
2352 (let ((newsrc (cdr gnus-newsrc-alist))
2353 marks info dormant ticked)
2354 (while (setq info (pop newsrc))
2355 (when (setq marks (gnus-info-marks info))
2356 (setq dormant (cdr (assq 'dormant marks))
2357 ticked (cdr (assq 'tick marks)))
2358 (when (or dormant ticked)
2362 (gnus-info-read info)
2363 (nconc (gnus-uncompress-range dormant)
2364 (gnus-uncompress-range ticked)))))))))
2366 (defun gnus-load (file)
2367 "Load FILE, but in such a way that read errors can be reported."
2369 (insert-file-contents file)
2371 (condition-case type
2372 (let ((form (read (current-buffer))))
2375 (unless (eq (car type) 'end-of-file)
2376 (let ((error (format "Error in %s line %d" file
2377 (count-lines (point-min) (point)))))
2379 (unless (gnus-yes-or-no-p (concat error "; continue? "))
2380 (error "%s" error)))))))))
2382 (defun gnus-read-newsrc-el-file (file)
2383 (let ((ding-file (concat file "d")))
2384 (when (file-exists-p ding-file)
2385 ;; We always, always read the .eld file.
2386 (gnus-message 5 "Reading %s..." ding-file)
2387 (let (gnus-newsrc-assoc)
2388 (let ((coding-system-for-read gnus-ding-file-coding-system))
2389 (gnus-load ding-file))
2390 ;; Older versions of `gnus-format-specs' are no longer valid
2391 ;; in Oort Gnus 0.01.
2393 (and gnus-newsrc-file-version
2394 (gnus-continuum-version gnus-newsrc-file-version))))
2395 (when (or (not version)
2396 (< version 5.090009))
2397 (setq gnus-format-specs gnus-default-format-specs)))
2398 (when gnus-newsrc-assoc
2399 (setq gnus-newsrc-alist gnus-newsrc-assoc))))
2400 (gnus-make-hashtable-from-newsrc-alist)
2401 (when (file-newer-than-file-p file ding-file)
2402 ;; Old format quick file
2403 (gnus-message 5 "Reading %s..." file)
2404 ;; The .el file is newer than the .eld file, so we read that one
2406 (gnus-read-old-newsrc-el-file file)))
2407 (gnus-run-hooks 'gnus-read-newsrc-el-hook))
2409 ;; Parse the old-style quick startup file
2410 (defun gnus-read-old-newsrc-el-file (file)
2411 (let (newsrc killed marked group m info)
2413 (let ((gnus-killed-assoc nil)
2414 gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc)
2418 (setq newsrc gnus-newsrc-assoc
2419 killed gnus-killed-assoc
2420 marked gnus-marked-assoc)))
2421 (setq gnus-newsrc-alist nil)
2422 (while (setq group (pop newsrc))
2423 (if (setq info (gnus-get-info (car group)))
2425 (gnus-info-set-read info (cddr group))
2426 (gnus-info-set-level
2427 info (if (nth 1 group) gnus-level-default-subscribed
2428 gnus-level-default-unsubscribed))
2429 (push info gnus-newsrc-alist))
2432 (if (nth 1 group) gnus-level-default-subscribed
2433 gnus-level-default-unsubscribed)
2436 ;; Copy marks into info.
2437 (when (setq m (assoc (car group) marked))
2438 (unless (nthcdr 3 info)
2439 (nconc info (list nil)))
2440 (gnus-info-set-marks
2441 info (list (cons 'tick (gnus-compress-sequence
2442 (sort (cdr m) '<) t))))))
2443 (setq newsrc killed)
2445 (setcar newsrc (caar newsrc))
2446 (setq newsrc (cdr newsrc)))
2447 (setq gnus-killed-list killed))
2448 ;; The .el file version of this variable does not begin with
2449 ;; "options", while the .eld version does, so we just add it if it
2453 (when (not (string-match "^ *options" gnus-newsrc-options))
2454 (setq gnus-newsrc-options (concat "options " gnus-newsrc-options)))
2455 (when (not (string-match "\n$" gnus-newsrc-options))
2456 (setq gnus-newsrc-options (concat gnus-newsrc-options "\n")))
2457 ;; Finally, if we read some options lines, we parse them.
2458 (unless (string= gnus-newsrc-options "")
2459 (gnus-newsrc-parse-options gnus-newsrc-options)))
2461 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))
2462 (gnus-make-hashtable-from-newsrc-alist)))
2464 (defun gnus-make-newsrc-file (file)
2465 "Make server dependent file name by catenating FILE and server host name."
2466 (let* ((file (expand-file-name file nil))
2467 (real-file (concat file "-" (nth 1 gnus-select-method))))
2468 (if (or (file-exists-p real-file)
2469 (file-exists-p (concat real-file ".el"))
2470 (file-exists-p (concat real-file ".eld")))
2474 (defun gnus-newsrc-to-gnus-format ()
2475 (setq gnus-newsrc-options "")
2476 (setq gnus-newsrc-options-n nil)
2478 (unless gnus-active-hashtb
2479 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
2480 (let ((buf (current-buffer))
2481 (already-read (> (length gnus-newsrc-alist) 1))
2482 group subscribed options-symbol newsrc Options-symbol
2484 (goto-char (point-min))
2485 ;; We intern the symbol `options' in the active hashtb so that we
2486 ;; can `eq' against it later.
2487 (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil)
2488 (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil)
2491 ;; We first read the first word on the line by narrowing and
2492 ;; then reading into `gnus-active-hashtb'. Most groups will
2493 ;; already exist in that hashtb, so this will save some string
2497 (progn (skip-chars-forward "^ \t!:\n") (point)))
2498 (goto-char (point-min))
2500 (and (/= (point-min) (point-max))
2501 (let ((obarray gnus-active-hashtb)) (read buf))))
2503 ;; Now, the symbol we have read is either `options' or a group
2504 ;; name. If it is an options line, we just add it to a string.
2506 ((or (eq symbol options-symbol)
2507 (eq symbol Options-symbol))
2508 (setq gnus-newsrc-options
2509 ;; This concating is quite inefficient, but since our
2510 ;; thorough studies show that approx 99.37% of all
2511 ;; .newsrc files only contain a single options line, we
2512 ;; don't give a damn, frankly, my dear.
2513 (concat gnus-newsrc-options
2516 ;; Options may continue on the next line.
2517 (or (and (re-search-forward "^[^ \t]" nil 'move)
2522 ;; Group names can be just numbers.
2523 (when (numberp symbol)
2524 (setq symbol (intern (int-to-string symbol) gnus-active-hashtb)))
2525 (unless (boundp symbol)
2527 ;; It was a group name.
2528 (setq subscribed (eq (char-after) ?:)
2529 group (symbol-name symbol)
2532 ;; If the line ends here, this is clearly a buggy line, so
2533 ;; we put point a the beginning of line and let the cond
2534 ;; below do the error handling.
2536 ;; We skip to the beginning of the ranges.
2537 (skip-chars-forward "!: \t"))
2538 ;; We are now at the beginning of the list of read articles.
2539 ;; We read them range by range.
2542 ((looking-at "[0-9]+")
2543 ;; We narrow and read a number instead of buffer-substring/
2544 ;; string-to-number because it's faster. narrow/widen is
2545 ;; faster than save-restriction/narrow, and save-restriction
2546 ;; produces a garbage object.
2548 (narrow-to-region (match-beginning 0) (match-end 0))
2551 ;; If the next character is a dash, then this is a range.
2552 (if (eq (char-after) ?-)
2554 ;; We read the upper bound of the range.
2556 (if (not (looking-at "[0-9]+"))
2557 ;; This is a buggy line, by we pretend that
2558 ;; it's kinda OK. Perhaps the user should be
2564 (narrow-to-region (match-beginning 0)
2569 ;; It was just a simple number, so we add it to the
2572 ;; If the next char in ?\n, then we have reached the end
2573 ;; of the line and return nil.
2574 (not (eq (char-after) ?\n)))
2575 ((eq (char-after) ?\n)
2576 ;; End of line, so we end.
2579 ;; Not numbers and not eol, so this might be a buggy
2582 ;; If it was eob instead of ?\n, we allow it.
2583 ;; The line was buggy.
2585 (gnus-error 3.1 "Mangled line: %s"
2586 (buffer-substring (point-at-bol)
2589 ;; Skip past ", ". Spaces are invalid in these ranges, but
2590 ;; we allow them, because it's a common mistake to put a
2591 ;; space after the comma.
2592 (skip-chars-forward ", "))
2594 ;; We have already read .newsrc.eld, so we gently update the
2595 ;; data in the hash table with the information we have just
2598 (let ((info (gnus-get-info group))
2601 ;; There is an entry for this file in the alist.
2603 (gnus-info-set-read info (nreverse reads))
2604 ;; We update the level very gently. In fact, we
2605 ;; only change it if there's been a status change
2606 ;; from subscribed to unsubscribed, or vice versa.
2607 (setq level (gnus-info-level info))
2608 (cond ((and (<= level gnus-level-subscribed)
2610 (setq level (if reads
2611 gnus-level-default-unsubscribed
2612 (1+ gnus-level-default-unsubscribed))))
2613 ((and (> level gnus-level-subscribed) subscribed)
2614 (setq level gnus-level-default-subscribed)))
2615 (gnus-info-set-level info level))
2616 ;; This is a new group.
2617 (setq info (list group
2619 gnus-level-default-subscribed
2621 (1+ gnus-level-subscribed)
2622 gnus-level-default-unsubscribed))
2624 (push info newsrc)))))
2627 (setq newsrc (nreverse newsrc))
2629 (if (not already-read)
2631 ;; We now have two newsrc lists - `newsrc', which is what we
2632 ;; have read from .newsrc, and `gnus-newsrc-alist', which is
2633 ;; what we've read from .newsrc.eld. We have to merge these
2634 ;; lists. We do this by "attaching" any (foreign) groups in the
2635 ;; gnus-newsrc-alist to the (native) group that precedes them.
2636 (let ((rc (cdr gnus-newsrc-alist))
2637 (prev gnus-newsrc-alist)
2640 (or (null (nth 4 (car rc))) ; It's a native group.
2641 (assoc (caar rc) newsrc) ; It's already in the alist.
2642 (if (setq entry (assoc (caar prev) newsrc))
2643 (setcdr (setq mentry (memq entry newsrc))
2644 (cons (car rc) (cdr mentry)))
2645 (push (car rc) newsrc)))
2649 (setq gnus-newsrc-alist newsrc)
2650 ;; We make the newsrc hashtb.
2651 (gnus-make-hashtable-from-newsrc-alist)
2653 ;; Finally, if we read some options lines, we parse them.
2654 (unless (string= gnus-newsrc-options "")
2655 (gnus-newsrc-parse-options gnus-newsrc-options))))
2657 ;; Parse options lines to find "options -n !all rec.all" and stuff.
2658 ;; The return value will be a list on the form
2659 ;; ((regexp1 . ignore)
2660 ;; (regexp2 . subscribe)...)
2661 ;; When handling new newsgroups, groups that match a `ignore' regexp
2662 ;; will be ignored, and groups that match a `subscribe' regexp will be
2663 ;; subscribed. A line like
2664 ;; options -n !all rec.all
2665 ;; will lead to a list that looks like
2666 ;; (("^rec\\..+" . subscribe)
2667 ;; ("^.+" . ignore))
2668 ;; So all "rec.*" groups will be subscribed, while all the other
2669 ;; groups will be ignored. Note that "options -n !all rec.all" is very
2670 ;; different from "options -n rec.all !all".
2671 (defun gnus-newsrc-parse-options (options)
2674 (gnus-set-work-buffer)
2675 (insert (regexp-quote options))
2676 ;; First we treat all continuation lines.
2677 (goto-char (point-min))
2678 (while (re-search-forward "\n[ \t]+" nil t)
2679 (replace-match " " t t))
2680 ;; Then we transform all "all"s into ".+"s.
2681 (goto-char (point-min))
2682 (while (re-search-forward "\\ball\\b" nil t)
2683 (replace-match ".+" t t))
2684 (goto-char (point-min))
2685 ;; We remove all other options than the "-n" ones.
2686 (while (re-search-forward "[ \t]-[^n][^-]*" nil t)
2689 (goto-char (point-min))
2691 ;; We are only interested in "options -n" lines - we
2692 ;; ignore the other option lines.
2693 (while (re-search-forward "[ \t]-n" nil t)
2696 (and (re-search-forward "[ \t]-n" (point-at-eol) t)
2699 ;; Search for all "words"...
2700 (while (re-search-forward "[^ \t,\n]+" eol t)
2701 (if (eq (char-after (match-beginning 0)) ?!)
2702 ;; If the word begins with a bang (!), this is a "not"
2703 ;; spec. We put this spec (minus the bang) and the
2704 ;; symbol `ignore' into the list.
2706 "^" (buffer-substring
2707 (1+ (match-beginning 0))
2712 ;; There was no bang, so this is a "yes" spec.
2713 (push (cons (concat "^" (match-string 0) "\\($\\|\\.\\)")
2717 (setq gnus-newsrc-options-n out))))
2720 (defalias 'gnus-long-file-names
2721 (if (fboundp 'msdos-long-file-names)
2722 'msdos-long-file-names
2725 (defun gnus-save-newsrc-file (&optional force)
2726 "Save .newsrc file."
2727 ;; Note: We cannot save .newsrc file if all newsgroups are removed
2728 ;; from the variable gnus-newsrc-alist.
2729 (when (and (or gnus-newsrc-alist gnus-killed-list)
2730 gnus-current-startup-file)
2731 ;; Save agent range limits for the currently active method.
2733 (gnus-agent-save-local force))
2736 (if (and (or gnus-use-dribble-file gnus-slave)
2738 (or (not gnus-dribble-buffer)
2739 (not (buffer-name gnus-dribble-buffer))
2740 (zerop (save-excursion
2741 (set-buffer gnus-dribble-buffer)
2743 (gnus-message 4 "(No changes need to be saved)")
2744 (gnus-run-hooks 'gnus-save-newsrc-hook)
2746 (gnus-slave-save-newsrc)
2748 (when gnus-save-newsrc-file
2749 (gnus-message 8 "Saving %s..." gnus-current-startup-file)
2750 (gnus-gnus-to-newsrc-format)
2751 (gnus-message 8 "Saving %s...done" gnus-current-startup-file))
2753 ;; Save .newsrc.eld.
2754 (set-buffer (gnus-get-buffer-create " *Gnus-newsrc*"))
2755 (make-local-variable 'version-control)
2756 (setq version-control gnus-backup-startup-file)
2757 (setq buffer-file-name
2758 (concat gnus-current-startup-file ".eld"))
2759 (setq default-directory (file-name-directory buffer-file-name))
2760 (buffer-disable-undo)
2762 (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
2764 (if gnus-save-startup-file-via-temp-buffer
2765 (let ((coding-system-for-write gnus-ding-file-coding-system)
2766 (standard-output (current-buffer)))
2767 (gnus-gnus-to-quick-newsrc-format)
2768 (gnus-run-hooks 'gnus-save-quick-newsrc-hook)
2770 (let ((coding-system-for-write gnus-ding-file-coding-system)
2771 (version-control gnus-backup-startup-file)
2772 (startup-file (concat gnus-current-startup-file ".eld"))
2773 (working-dir (file-name-directory gnus-current-startup-file))
2776 ;; Generate the name of a non-existent file.
2777 (while (progn (setq working-file
2779 (if (and (eq system-type 'ms-dos)
2780 (not (gnus-long-file-names)))
2781 "%s#%d.tm#" ; MSDOS limits files to 8+3
2782 (if (memq system-type '(vax-vms axp-vms))
2785 working-dir (setq i (1+ i))))
2786 (file-exists-p working-file)))
2790 (gnus-with-output-to-file working-file
2791 (gnus-gnus-to-quick-newsrc-format)
2792 (gnus-run-hooks 'gnus-save-quick-newsrc-hook))
2794 ;; These bindings will mislead the current buffer
2795 ;; into thinking that it is visiting the startup
2797 (let ((buffer-backed-up nil)
2798 (buffer-file-name startup-file)
2799 (file-precious-flag t)
2800 (setmodes (file-modes startup-file)))
2801 ;; Backup the current version of the startup file.
2804 ;; Replace the existing startup file with the temp file.
2805 (rename-file working-file startup-file t)
2806 (gnus-set-file-modes startup-file setmodes)))
2808 (delete-file working-file)
2809 (file-error nil)))))
2811 (gnus-kill-buffer (current-buffer))
2813 5 "Saving %s.eld...done" gnus-current-startup-file))
2814 (gnus-dribble-delete-file)
2815 (gnus-group-set-mode-line)))))
2817 (defun gnus-gnus-to-quick-newsrc-format (&optional minimal name &rest specific-variables)
2818 "Print Gnus variables such as `gnus-newsrc-alist' in Lisp format."
2819 (princ ";; -*- emacs-lisp -*-\n")
2821 (princ (format ";; %s\n" name))
2822 (princ ";; Gnus startup file.\n"))
2826 ;; Never delete this file -- if you want to force Gnus to read the
2827 ;; .newsrc file (if you have one), touch .newsrc instead.\n")
2828 (princ "(setq gnus-newsrc-file-version ")
2829 (princ (gnus-prin1-to-string gnus-version))
2832 (let* ((print-quoted t)
2834 (print-escape-multibyte nil)
2835 (print-escape-nonascii t)
2838 (print-escape-newlines t)
2840 (if (and gnus-save-killed-list
2841 (stringp gnus-save-killed-list))
2842 (gnus-strip-killed-list)
2845 (or specific-variables
2846 (if gnus-save-killed-list gnus-variable-list
2847 ;; Remove the `gnus-killed-list' from the list of variables
2848 ;; to be saved, if required.
2849 (delq 'gnus-killed-list (copy-sequence gnus-variable-list)))))
2850 ;; Peel off the "dummy" group.
2851 (gnus-newsrc-alist (cdr gnus-newsrc-alist))
2853 ;; Insert the variables into the file.
2855 (when (and (boundp (setq variable (pop variables)))
2856 (symbol-value variable))
2858 (princ (symbol-name variable))
2860 (prin1 (symbol-value variable))
2863 (defun gnus-strip-killed-list ()
2864 "Return the killed list minus the groups that match `gnus-save-killed-list'."
2865 (let ((list gnus-killed-list)
2868 (when (string-match gnus-save-killed-list (car list))
2869 (push (car list) olist))
2873 (defun gnus-gnus-to-newsrc-format ()
2874 ;; Generate and save the .newsrc file.
2876 (set-buffer (create-file-buffer gnus-current-startup-file))
2877 (let ((newsrc (cdr gnus-newsrc-alist))
2878 (standard-output (current-buffer))
2879 info ranges range method)
2880 (setq buffer-file-name gnus-current-startup-file)
2881 (setq default-directory (file-name-directory buffer-file-name))
2882 (buffer-disable-undo)
2885 (when gnus-newsrc-options
2886 (insert gnus-newsrc-options))
2887 ;; Write subscribed and unsubscribed.
2888 (while (setq info (pop newsrc))
2889 ;; Don't write foreign groups to .newsrc.
2890 (when (or (null (setq method (gnus-info-method info)))
2891 (equal method "native")
2892 (inline (gnus-server-equal method gnus-select-method)))
2893 (insert (gnus-info-group info)
2894 (if (> (gnus-info-level info) gnus-level-subscribed)
2896 (when (setq ranges (gnus-info-read info))
2898 (if (not (listp (cdr ranges)))
2899 (if (= (car ranges) (cdr ranges))
2900 (princ (car ranges))
2901 (princ (car ranges))
2903 (princ (cdr ranges)))
2904 (while (setq range (pop ranges))
2905 (if (or (atom range) (= (car range) (cdr range)))
2906 (princ (or (and (atom range) range) (car range)))
2909 (princ (cdr range)))
2913 (make-local-variable 'version-control)
2914 (setq version-control 'never)
2915 ;; It has been reported that sometime the modtime on the .newsrc
2916 ;; file seems to be off. We really do want to overwrite it, so
2917 ;; we clear the modtime here before saving. It's a bit odd,
2919 ;; sometimes the modtime clear isn't sufficient. most brute force:
2920 ;; delete the silly thing entirely first. but this fails to provide
2921 ;; such niceties as .newsrc~ creation.
2922 (if gnus-modtime-botch
2923 (delete-file gnus-startup-file)
2924 (clear-visited-file-modtime))
2925 (gnus-run-hooks 'gnus-save-standard-newsrc-hook)
2927 (kill-buffer (current-buffer)))))
2931 ;;; Slave functions.
2934 (defvar gnus-slave-mode nil)
2936 (defun gnus-slave-mode ()
2937 "Minor mode for slave Gnusae."
2938 (add-minor-mode 'gnus-slave-mode " Slave" (make-sparse-keymap))
2939 (gnus-run-hooks 'gnus-slave-mode-hook))
2941 (defun gnus-slave-save-newsrc ()
2943 (set-buffer gnus-dribble-buffer)
2945 (mm-make-temp-file (concat gnus-current-startup-file "-slave-")))
2946 (modes (ignore-errors
2947 (file-modes (concat gnus-current-startup-file ".eld")))))
2948 (let ((coding-system-for-write gnus-ding-file-coding-system))
2949 (gnus-write-buffer slave-name))
2951 (gnus-set-file-modes slave-name modes)))))
2953 (defun gnus-master-read-slave-newsrc ()
2956 (file-name-directory gnus-current-startup-file)
2960 (file-name-nondirectory gnus-current-startup-file)
2964 (if (not slave-files)
2965 () ; There are no slave files to read.
2966 (gnus-message 7 "Reading slave newsrcs...")
2968 (set-buffer (gnus-get-buffer-create " *gnus slave*"))
2970 (sort (mapcar (lambda (file)
2971 (list (nth 5 (file-attributes file)) file))
2974 (or (< (caar f1) (caar f2))
2975 (< (nth 1 (car f1)) (nth 1 (car f2)))))))
2978 (setq file (nth 1 (car slave-files)))
2979 (nnheader-insert-file-contents file)
2980 (when (condition-case ()
2982 (eval-buffer (current-buffer))
2985 (gnus-error 3.2 "Possible error in %s" file)
2987 (unless gnus-slave ; Slaves shouldn't delete these files.
2989 (delete-file file))))
2990 (setq slave-files (cdr slave-files))))
2991 (gnus-dribble-touch)
2992 (gnus-message 7 "Reading slave newsrcs...done"))))
2996 ;;; Group description.
2999 (defun gnus-read-all-descriptions-files ()
3000 (let ((methods (cons gnus-select-method
3002 (when (gnus-archive-server-wanted-p)
3004 gnus-secondary-select-methods))))
3006 (gnus-read-descriptions-file (car methods))
3007 (setq methods (cdr methods)))
3010 (defun gnus-read-descriptions-file (&optional method)
3011 (let ((method (or method gnus-select-method))
3013 (when (stringp method)
3014 (setq method (gnus-server-to-method method)))
3015 ;; We create the hashtable whether we manage to read the desc file
3016 ;; to avoid trying to re-read after a failed read.
3017 (unless gnus-description-hashtb
3018 (setq gnus-description-hashtb
3019 (gnus-make-hashtable (length gnus-active-hashtb))))
3020 ;; Mark this method's desc file as read.
3021 (gnus-sethash (gnus-group-prefixed-name "" method) "Has read"
3022 gnus-description-hashtb)
3024 (gnus-message 5 "Reading descriptions file via %s..." (car method))
3026 ((null (gnus-get-function method 'request-list-newsgroups t))
3028 ((not (gnus-check-server method))
3029 (gnus-message 1 "Couldn't open server")
3031 ((not (gnus-request-list-newsgroups method))
3032 (gnus-message 1 "Couldn't read newsgroups descriptions")
3037 (set-buffer nntp-server-buffer)
3038 (goto-char (point-min))
3039 (when (or (search-forward "\n.\n" nil t)
3040 (goto-char (point-max)))
3042 (narrow-to-region (point-min) (point)))
3043 ;; If these are groups from a foreign select method, we insert the
3044 ;; group prefix in front of the group names.
3045 (and method (not (inline
3047 (gnus-server-get-method nil method)
3048 (gnus-server-get-method
3049 nil gnus-select-method))))
3050 (let ((prefix (gnus-group-prefixed-name "" method)))
3051 (goto-char (point-min))
3052 (while (and (not (eobp))
3053 (progn (insert prefix)
3054 (zerop (forward-line 1)))))))
3055 (goto-char (point-min))
3057 ;; If we get an error, we set group to 0, which is not a
3061 (let ((obarray gnus-description-hashtb))
3062 ;; Group is set to a symbol interned in this
3064 (read nntp-server-buffer))
3066 (skip-chars-forward " \t")
3067 ;; ... which leads to this line being effectively ignored.
3068 (when (symbolp group)
3069 (let* ((str (buffer-substring
3070 (point) (progn (end-of-line) (point))))
3071 (name (symbol-name group))
3073 (or (gnus-group-name-charset method name)
3074 (gnus-parameter-charset name)
3075 gnus-default-charset)))
3076 ;; Fixme: Don't decode in unibyte mode.
3077 (when (and str charset (featurep 'mule))
3078 (setq str (mm-decode-coding-string str charset)))
3081 (gnus-message 5 "Reading descriptions file...done")
3084 (defun gnus-group-get-description (group)
3085 "Get the description of a group by sending XGTITLE to the server."
3086 (when (gnus-request-group-description group)
3088 (set-buffer nntp-server-buffer)
3089 (goto-char (point-min))
3090 (when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
3091 (match-string 1)))))
3094 (defun gnus-declare-backend (name &rest abilities)
3095 "Declare back end NAME with ABILITIES as a Gnus back end."
3096 (setq gnus-valid-select-methods
3097 (nconc gnus-valid-select-methods
3098 (list (apply 'list name abilities))))
3099 (gnus-redefine-select-method-widget))
3101 (defun gnus-set-default-directory ()
3102 "Set the default directory in the current buffer to `gnus-default-directory'.
3103 If this variable is nil, don't do anything."
3104 (setq default-directory
3105 (if (and gnus-default-directory
3106 (file-exists-p gnus-default-directory))
3107 (file-name-as-directory (expand-file-name gnus-default-directory))
3108 default-directory)))
3110 (defun gnus-display-time-event-handler ()
3111 (if (and (fboundp 'display-time-event-handler)
3112 (gnus-boundp 'display-time-timer))
3113 (display-time-event-handler)))
3116 (defun gnus-fixup-nnimap-unread-after-getting-new-news ()
3117 (let (server group info)
3120 (when (and (setq group (symbol-name sym))
3121 (gnus-group-entry group)
3122 (setq info (symbol-value sym)))
3123 (gnus-sethash group (cons (nth 2 info) (cdr (gnus-group-entry group)))
3124 gnus-newsrc-hashtb)))
3125 (if (boundp 'nnimap-mailbox-info)
3126 (symbol-value 'nnimap-mailbox-info)
3127 (make-vector 1 0)))))
3129 (defun gnus-check-reasonable-setup ()
3130 ;; Check whether nnml and nnfolder share a directory.
3132 (if (fboundp 'display-warning)
3134 (lambda (type message)
3136 (message "Warning (%s): %s" type message)
3138 (with-current-buffer (get-buffer-create "*Warnings*")
3139 (goto-char (point-max))
3142 (insert (format "Warning (%s): %s\n" type message))
3143 (setq window (display-buffer (current-buffer)))
3147 (forward-line (- 1 (window-height window)))
3149 (goto-char (point-max))))))))))
3150 method active actives match)
3151 (dolist (server gnus-server-alist)
3152 (setq method (gnus-server-to-method server)
3153 active (intern (format "%s-active-file" (car method))))
3154 (when (and (member (car method) '(nnml nnfolder))
3155 (gnus-server-opened method)
3157 (when (setq match (assoc (symbol-value active) actives))
3158 (funcall display-warn 'gnus-server
3159 (format "%s and %s share the same active file %s"
3163 (push (list (symbol-value active) method) actives)))))
3165 (provide 'gnus-start)
3167 ;; arch-tag: f4584a22-b7b7-4853-abfc-a637329af5d2
3168 ;;; gnus-start.el ends here