1 ;;; gnus-start.el --- startup functions for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
35 (autoload 'message-make-date "message")
36 (autoload 'gnus-agent-read-servers-validate "gnus-agent")
37 (autoload 'gnus-agent-possibly-alter-active "gnus-agent")
38 (eval-when-compile (require 'cl))
40 (defcustom gnus-startup-file (nnheader-concat gnus-home-directory ".newsrc")
42 `.newsrc-SERVER' will be used instead if that exists."
46 (defcustom gnus-backup-startup-file 'never
47 "Whether to create backup files.
48 This variable takes the same values as the `version-control'
51 :type '(choice (const :tag "Never" never)
52 (const :tag "If existing" nil)
53 (other :tag "Always" t)))
55 (defcustom gnus-save-startup-file-via-temp-buffer t
56 "Whether to write the startup file contents to a buffer then save
57 the buffer or write directly to the file. The buffer is faster
58 because all of the contents are written at once. The direct write
59 uses considerably less memory."
61 :type '(choice (const :tag "Write via buffer" t)
62 (const :tag "Write directly to file" nil)))
64 (defcustom gnus-init-file (nnheader-concat gnus-home-directory ".gnus")
65 "Your Gnus Emacs-Lisp startup file name.
66 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
70 (defcustom gnus-site-init-file
72 (concat (file-name-directory
73 (directory-file-name installation-directory))
74 "site-lisp/gnus-init")
76 "The site-wide Gnus Emacs-Lisp startup file name, or nil if none.
77 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
79 :type '(choice file (const nil)))
81 (defcustom gnus-default-subscribed-newsgroups nil
82 "List of newsgroups to subscribe, when a user runs Gnus the first time.
83 The value should be a list of strings.
84 If it is t, Gnus will not do anything special the first time it is
85 started; it'll just use the normal newsgroups subscription methods."
87 :type '(choice (repeat string) (const :tag "Nothing special" t)))
89 (defcustom gnus-use-dribble-file t
90 "*Non-nil means that Gnus will use a dribble file to store user updates.
91 If Emacs should crash without saving the .newsrc files, complete
92 information can be restored from the dribble file."
93 :group 'gnus-dribble-file
96 (defcustom gnus-dribble-directory nil
97 "*The directory where dribble files will be saved.
98 If this variable is nil, the directory where the .newsrc files are
100 :group 'gnus-dribble-file
101 :type '(choice directory (const nil)))
103 (defcustom gnus-check-new-newsgroups 'ask-server
104 "*Non-nil means that Gnus will run `gnus-find-new-newsgroups' at startup.
105 This normally finds new newsgroups by comparing the active groups the
106 servers have already reported with those Gnus already knows, either alive
109 When any of the following are true, `gnus-find-new-newsgroups' will instead
110 ask the servers (primary, secondary, and archive servers) to list new
111 groups since the last time it checked:
112 1. This variable is `ask-server'.
113 2. This variable is a list of select methods (see below).
114 3. `gnus-read-active-file' is nil or `some'.
115 4. A prefix argument is given to `gnus-find-new-newsgroups' interactively.
117 Thus, if this variable is `ask-server' or a list of select methods or
118 `gnus-read-active-file' is nil or `some', then the killed list is no
119 longer necessary, so you could safely set `gnus-save-killed-list' to nil.
121 This variable can be a list of select methods which Gnus will query with
122 the `ask-server' method in addition to the primary, secondary, and archive
126 (setq gnus-check-new-newsgroups
127 '((nntp \"some.server\") (nntp \"other.server\")))
129 If this variable is nil, then you have to tell Gnus explicitly to
130 check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups]."
132 :type '(choice (const :tag "no" nil)
133 (const :tag "by brute force" t)
134 (const :tag "ask servers" ask-server)
135 (repeat :menu-tag "ask additional servers"
136 :tag "ask additional servers"
138 (sexp :format "%v"))))
140 (defcustom gnus-check-bogus-newsgroups nil
141 "*Non-nil means that Gnus will check and remove bogus newsgroup at startup.
142 If this variable is nil, then you have to tell Gnus explicitly to
143 check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups]."
144 :group 'gnus-start-server
147 (defcustom gnus-read-active-file 'some
148 "*Non-nil means that Gnus will read the entire active file at startup.
149 If this variable is nil, Gnus will only know about the groups in your
152 If this variable is `some', Gnus will try to only read the relevant
153 parts of the active file from the server. Not all servers support
154 this, and it might be quite slow with other servers, but this should
155 generally be faster than both the t and nil value.
157 If you set this variable to nil or `some', you probably still want to
158 be told about new newsgroups that arrive. To do that, set
159 `gnus-check-new-newsgroups' to `ask-server'. This may not work
160 properly with all servers."
161 :group 'gnus-start-server
162 :type '(choice (const nil)
166 (defconst gnus-level-subscribed 5
167 "Groups with levels less than or equal to this variable are subscribed.")
169 (defconst gnus-level-unsubscribed 7
170 "Groups with levels less than or equal to this variable are unsubscribed.
171 Groups with levels less than `gnus-level-subscribed', which should be
172 less than this variable, are subscribed.")
174 (defconst gnus-level-zombie 8
175 "Groups with this level are zombie groups.")
177 (defconst gnus-level-killed 9
178 "Groups with this level are killed.")
180 (defcustom gnus-level-default-subscribed 3
181 "*New subscribed groups will be subscribed at this level."
182 :group 'gnus-group-levels
185 (defcustom gnus-level-default-unsubscribed 6
186 "*New unsubscribed groups will be unsubscribed at this level."
187 :group 'gnus-group-levels
190 (defcustom gnus-activate-level (1+ gnus-level-subscribed)
191 "*Groups higher than this level won't be activated on startup.
192 Setting this variable to something low might save lots of time when
193 you have many groups that you aren't interested in."
194 :group 'gnus-group-levels
197 (defcustom gnus-activate-foreign-newsgroups 4
198 "*If nil, Gnus will not check foreign newsgroups at startup.
199 If it is non-nil, it should be a number between one and nine. Foreign
200 newsgroups that have a level lower or equal to this number will be
201 activated on startup. For instance, if you want to active all
202 subscribed newsgroups, but not the rest, you'd set this variable to
203 `gnus-level-subscribed'.
205 If you subscribe to lots of newsgroups from different servers, startup
206 might take a while. By setting this variable to nil, you'll save time,
207 but you won't be told how many unread articles there are in the
209 :group 'gnus-group-levels
210 :type '(choice integer
211 (const :tag "none" nil)))
213 (defcustom gnus-read-newsrc-file t
214 "*Non-nil means that Gnus will read the `.newsrc' file.
215 Gnus always reads its own startup file, which is called
216 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
217 be readily understood by other newsreaders. If you don't plan on
218 using other newsreaders, set this variable to nil to save some time on
224 (defcustom gnus-save-newsrc-file t
225 "*Non-nil means that Gnus will save the `.newsrc' file.
226 Gnus always saves its own startup file, which is called
227 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
228 be readily understood by other newsreaders. If you don't plan on
229 using other newsreaders, set this variable to nil to save some time on
234 (defcustom gnus-save-killed-list t
235 "*If non-nil, save the list of killed groups to the startup file.
236 If you set this variable to nil, you'll save both time (when starting
237 and quitting) and space (both memory and disk), but it will also mean
238 that Gnus has no record of which groups are new and which are old, so
239 the automatic new newsgroups subscription methods become meaningless.
241 You should always set `gnus-check-new-newsgroups' to `ask-server' or
242 nil if you set this variable to nil.
244 This variable can also be a regexp. In that case, all groups that do
245 not match this regexp will be removed before saving the list."
247 :type '(radio (sexp :format "Non-nil\n"
248 :match (lambda (widget value)
249 (and value (not (stringp value))))
252 (regexp :format "%t: %v\n" :size 0)))
254 (defcustom gnus-ignored-newsgroups
256 '("^to\\." ; not "real" groups
257 "^[0-9. \t]+\\( \\|$\\)" ; all digits in name
258 "^[\"][]\"[#'()]" ; bogus characters
261 "*A regexp to match uninteresting newsgroups in the active file.
262 Any lines in the active file matching this regular expression are
263 removed from the newsgroup list before anything else is done to it,
264 thus making them effectively non-existent."
265 :group 'gnus-group-new
268 (defcustom gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
269 "*Function(s) called with a group name when new group is detected.
270 A few pre-made functions are supplied: `gnus-subscribe-randomly'
271 inserts new groups at the beginning of the list of groups;
272 `gnus-subscribe-alphabetically' inserts new groups in strict
273 alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
274 in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
275 for your decision; `gnus-subscribe-killed' kills all new groups;
276 `gnus-subscribe-zombies' will make all new groups into zombies;
277 `gnus-subscribe-topics' will enter groups into the topics that
279 :group 'gnus-group-new
280 :type '(radio (function-item gnus-subscribe-randomly)
281 (function-item gnus-subscribe-alphabetically)
282 (function-item gnus-subscribe-hierarchically)
283 (function-item gnus-subscribe-interactively)
284 (function-item gnus-subscribe-killed)
285 (function-item gnus-subscribe-zombies)
286 (function-item gnus-subscribe-topics)
290 (defcustom gnus-subscribe-newsgroup-hooks nil
291 "*Hooks run after you subscribe to a new group.
292 The hooks will be called with new group's name as argument."
293 :group 'gnus-group-new
296 (defcustom gnus-subscribe-options-newsgroup-method
297 'gnus-subscribe-alphabetically
298 "*Function(s) called to subscribe newsgroups mentioned on \"options -n\" lines.
299 If, for instance, you want to subscribe to all newsgroups in the
300 \"no\" and \"alt\" hierarchies, you'd put the following in your
303 options -n no.all alt.all
305 Gnus will the subscribe all new newsgroups in these hierarchies with
306 the subscription method in this variable."
307 :group 'gnus-group-new
308 :type '(radio (function-item gnus-subscribe-randomly)
309 (function-item gnus-subscribe-alphabetically)
310 (function-item gnus-subscribe-hierarchically)
311 (function-item gnus-subscribe-interactively)
312 (function-item gnus-subscribe-killed)
313 (function-item gnus-subscribe-zombies)
314 (function-item gnus-subscribe-topics)
318 (defcustom gnus-subscribe-hierarchical-interactive nil
319 "*If non-nil, Gnus will offer to subscribe hierarchically.
320 When a new hierarchy appears, Gnus will ask the user:
322 'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
324 If the user pressed `d', Gnus will descend the hierarchy, `y' will
325 subscribe to all newsgroups in the hierarchy and `s' will skip this
326 hierarchy in its entirety."
327 :group 'gnus-group-new
330 (defcustom gnus-auto-subscribed-groups
331 "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl\\|^nnmaildir"
332 "*All new groups that match this regexp will be subscribed automatically.
333 Note that this variable only deals with new groups. It has no effect
334 whatsoever on old groups.
336 New groups that match this regexp will not be handled by
337 `gnus-subscribe-newsgroup-method'. Instead, they will
338 be subscribed using `gnus-subscribe-options-newsgroup-method'."
339 :group 'gnus-group-new
342 (defcustom gnus-options-subscribe nil
343 "*All new groups matching this regexp will be subscribed unconditionally.
344 Note that this variable deals only with new newsgroups. This variable
345 does not affect old newsgroups.
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
351 :type '(choice regexp
352 (const :tag "none" nil)))
354 (defcustom gnus-options-not-subscribe nil
355 "*All new groups matching this regexp will be ignored.
356 Note that this variable deals only with new newsgroups. This variable
357 does not affect old (already subscribed) newsgroups."
358 :group 'gnus-group-new
359 :type '(choice regexp
360 (const :tag "none" nil)))
362 (defcustom gnus-modtime-botch nil
363 "*Non-nil means .newsrc should be deleted prior to save.
364 Its use is due to the bogus appearance that .newsrc was modified on
369 (defcustom gnus-check-bogus-groups-hook nil
370 "A hook run after removing bogus groups."
371 :group 'gnus-start-server
374 (defcustom gnus-startup-hook nil
375 "A hook called at startup.
376 This hook is called after Gnus is connected to the NNTP server."
380 (defcustom gnus-before-startup-hook nil
381 "A hook called at before startup.
382 This hook is called as the first thing when Gnus is started."
386 (defcustom gnus-started-hook nil
387 "A hook called as the last thing after startup."
391 (defcustom gnus-setup-news-hook
392 '(gnus-fixup-nnimap-unread-after-getting-new-news)
393 "A hook after reading the .newsrc file, but before generating the buffer."
397 (defcustom gnus-get-top-new-news-hook nil
398 "A hook run just before Gnus checks for new news globally."
399 :group 'gnus-group-new
402 (defcustom gnus-get-new-news-hook nil
403 "A hook run just before Gnus checks for new news."
404 :group 'gnus-group-new
407 (defcustom gnus-after-getting-new-news-hook
408 '(gnus-display-time-event-handler
409 gnus-fixup-nnimap-unread-after-getting-new-news)
410 "*A hook run after Gnus checks for new news when Gnus is already running."
411 :group 'gnus-group-new
414 (defcustom gnus-read-newsrc-el-hook nil
415 "A hook called after reading the newsrc.eld? file."
419 (defcustom gnus-save-newsrc-hook nil
420 "A hook called before saving any of the newsrc files."
424 (defcustom gnus-save-quick-newsrc-hook nil
425 "A hook called just before saving the quick newsrc file.
426 Can be used to turn version control on or off."
430 (defcustom gnus-save-standard-newsrc-hook nil
431 "A hook called just before saving the standard newsrc file.
432 Can be used to turn version control on or off."
436 (defcustom gnus-group-mode-hook nil
437 "Hook for Gnus group mode."
438 :group 'gnus-group-various
439 :options '(gnus-topic-mode)
442 (defcustom gnus-always-read-dribble-file nil
443 "Unconditionally read the dribble file."
447 ;;; Internal variables
449 (defvar gnus-ding-file-coding-system mm-universal-coding-system
450 "Coding system for ding file.")
452 (defvar gnus-newsrc-file-version nil)
453 (defvar gnus-override-subscribe-method nil)
454 (defvar gnus-dribble-buffer nil)
455 (defvar gnus-newsrc-options nil
456 "Options line in the .newsrc file.")
458 (defvar gnus-newsrc-options-n nil
459 "List of regexps representing groups to be subscribed/ignored unconditionally.")
461 (defvar gnus-newsrc-last-checked-date nil
462 "Date Gnus last asked server for new newsgroups.")
464 (defvar gnus-current-startup-file nil
465 "Startup file for the current host.")
467 ;; Byte-compiler warning.
468 (defvar gnus-group-line-format)
470 ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
471 (defvar gnus-init-inhibit nil)
472 (defun gnus-read-init-file (&optional inhibit-next)
473 ;; Don't load .gnus if the -q option was used.
475 (if gnus-init-inhibit
476 (setq gnus-init-inhibit nil)
477 (setq gnus-init-inhibit inhibit-next)
478 (dolist (file (list gnus-site-init-file gnus-init-file))
480 (locate-library file))
481 (if (or debug-on-error debug-on-quit)
486 (error "Error in %s: %s" file (cadr var))))))))))
488 ;; For subscribing new newsgroup
490 (defun gnus-subscribe-hierarchical-interactive (groups)
491 (let ((groups (sort groups 'string<))
492 prefixes prefix start ans group starts)
494 (setq prefixes (list "^"))
495 (while (and groups prefixes)
496 (while (not (string-match (car prefixes) (car groups)))
497 (setq prefixes (cdr prefixes)))
498 (setq prefix (car prefixes))
499 (setq start (1- (length prefix)))
500 (if (and (string-match "[^\\.]\\." (car groups) start)
503 (concat "^" (substring (car groups) 0 (match-end 0))))
504 (string-match prefix (cadr groups)))
506 (push prefix prefixes)
507 (message "Descend hierarchy %s? ([y]nsq): "
508 (substring prefix 1 (1- (length prefix))))
509 (while (not (memq (setq ans (read-char-exclusive))
510 '(?y ?\n ?\r ?n ?s ?q)))
512 (message "Descend hierarchy %s? ([y]nsq): "
513 (substring prefix 1 (1- (length prefix)))))
517 (setq group (car groups))))
518 (push group gnus-killed-list)
519 (gnus-sethash group group gnus-killed-hashtb)
520 (setq groups (cdr groups)))
521 (setq starts (cdr starts)))
525 (setq group (car groups))))
526 (gnus-sethash group group gnus-killed-hashtb)
527 (gnus-subscribe-alphabetically (car groups))
528 (setq groups (cdr groups)))
529 (setq starts (cdr starts)))
532 (setq group (car groups))
533 (push group gnus-killed-list)
534 (gnus-sethash group group gnus-killed-hashtb)
535 (setq groups (cdr groups))))
537 (message "Subscribe %s? ([n]yq)" (car groups))
538 (while (not (memq (setq ans (read-char-exclusive))
539 '(?y ?\n ?\r ?q ?n)))
541 (message "Subscribe %s? ([n]yq)" (car groups)))
542 (setq group (car groups))
544 (gnus-subscribe-alphabetically (car groups))
545 (gnus-sethash group group gnus-killed-hashtb))
548 (setq group (car groups))
549 (push group gnus-killed-list)
550 (gnus-sethash group group gnus-killed-hashtb)
551 (setq groups (cdr groups))))
553 (push group gnus-killed-list)
554 (gnus-sethash group group gnus-killed-hashtb)))
555 (setq groups (cdr groups)))))))
557 (defun gnus-subscribe-randomly (newsgroup)
558 "Subscribe new NEWSGROUP by making it the first newsgroup."
559 (gnus-subscribe-newsgroup newsgroup))
561 (defun gnus-subscribe-alphabetically (newgroup)
562 "Subscribe new NEWGROUP and insert it in alphabetical order."
563 (let ((groups (cdr gnus-newsrc-alist))
565 (while (and (not before) groups)
566 (if (string< newgroup (caar groups))
567 (setq before (caar groups))
568 (setq groups (cdr groups))))
569 (gnus-subscribe-newsgroup newgroup before)))
571 (defun gnus-subscribe-hierarchically (newgroup)
572 "Subscribe new NEWGROUP and insert it in hierarchical newsgroup order."
573 ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
575 (set-buffer (nnheader-find-file-noselect gnus-current-startup-file))
577 (let ((groupkey newgroup) before)
578 (while (and (not before) groupkey)
579 (goto-char (point-min))
581 (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
582 (while (and (re-search-forward groupkey-re nil t)
584 (setq before (match-string 1))
585 (string< before newgroup)))))
586 ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
588 (when (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
589 (substring groupkey (match-beginning 1) (match-end 1)))))
590 (gnus-subscribe-newsgroup newgroup before))
591 (kill-buffer (current-buffer)))))
593 (defun gnus-subscribe-interactively (group)
594 "Subscribe the new GROUP interactively.
595 It is inserted in hierarchical newsgroup order if subscribed. If not,
597 (if (gnus-y-or-n-p (format "Subscribe new newsgroup: %s " group))
598 (gnus-subscribe-hierarchically group)
599 (push group gnus-killed-list)))
601 (defun gnus-subscribe-zombies (group)
602 "Make the new GROUP into a zombie group."
603 (push group gnus-zombie-list))
605 (defun gnus-subscribe-killed (group)
606 "Make the new GROUP a killed group."
607 (push group gnus-killed-list))
609 (defun gnus-subscribe-newsgroup (newsgroup &optional next)
610 "Subscribe new NEWSGROUP.
611 If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
612 the first newsgroup."
614 (goto-char (point-min))
615 ;; We subscribe the group by changing its level to `subscribed'.
616 (gnus-group-change-level
617 newsgroup gnus-level-default-subscribed
618 gnus-level-killed (gnus-gethash (or next "dummy.group")
620 (gnus-message 5 "Subscribe newsgroup: %s" newsgroup)
621 (run-hook-with-args 'gnus-subscribe-newsgroup-hooks newsgroup)
624 (defun gnus-read-active-file-p ()
625 "Say whether the active file has been read from `gnus-select-method'."
626 (memq gnus-select-method gnus-have-read-active-file))
628 ;;; General various misc type functions.
630 ;; Silence byte-compiler.
632 (defvar gnus-current-headers)
633 (defvar gnus-thread-indent-array)
634 (defvar gnus-newsgroup-name)
635 (defvar gnus-newsgroup-headers)
636 (defvar gnus-group-list-mode)
637 (defvar gnus-group-mark-positions)
638 (defvar gnus-newsgroup-data)
639 (defvar gnus-newsgroup-unreads)
640 (defvar nnoo-state-alist)
641 (defvar gnus-current-select-method)
642 (defvar mail-sources)
643 (defvar nnmail-scan-directory-mail-source-once)
644 (defvar nnmail-split-history)
645 (defvar nnmail-spool-file))
647 (defun gnus-close-all-servers ()
650 (dolist (server gnus-opened-servers)
651 (gnus-close-server (car server))))
653 (defun gnus-clear-system ()
654 "Clear all variables and buffers."
655 ;; Clear Gnus variables.
656 (let ((variables (remove 'gnus-format-specs gnus-variable-list)))
658 (set (car variables) nil)
659 (setq variables (cdr variables))))
660 ;; Clear other internal variables.
661 (setq gnus-list-of-killed-groups nil
662 gnus-have-read-active-file nil
663 gnus-agent-covered-methods nil
664 gnus-server-method-cache nil
665 gnus-newsrc-alist nil
666 gnus-newsrc-hashtb nil
669 gnus-killed-hashtb nil
670 gnus-active-hashtb nil
671 gnus-moderated-hashtb nil
672 gnus-description-hashtb nil
673 gnus-current-headers nil
674 gnus-thread-indent-array nil
675 gnus-newsgroup-headers nil
676 gnus-newsgroup-name nil
677 gnus-server-alist nil
678 gnus-group-list-mode nil
679 gnus-opened-servers nil
680 gnus-group-mark-positions nil
681 gnus-newsgroup-data nil
682 gnus-newsgroup-unreads nil
684 gnus-current-select-method nil
685 nnmail-split-history nil
686 gnus-ephemeral-servers nil)
687 (gnus-shutdown 'gnus)
688 ;; Kill the startup file.
689 (and gnus-current-startup-file
690 (get-file-buffer gnus-current-startup-file)
691 (kill-buffer (get-file-buffer gnus-current-startup-file)))
692 ;; Clear the dribble buffer.
694 ;; Kill global KILL file buffer.
695 (when (get-file-buffer (gnus-newsgroup-kill-file nil))
696 (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil))))
697 (gnus-kill-buffer nntp-server-buffer)
698 ;; Kill Gnus buffers.
699 (dolist (buffer (gnus-buffers))
700 (gnus-kill-buffer buffer))
701 ;; Remove Gnus frames.
702 (gnus-kill-gnus-frames))
704 (defun gnus-no-server-1 (&optional arg slave)
706 If ARG is a positive number, Gnus will use that as the
707 startup level. If ARG is nil, Gnus will be started at level 2.
708 If ARG is non-nil and not a positive number, Gnus will
709 prompt the user for the name of an NNTP server to use.
710 As opposed to `gnus', this command will not connect to the local server."
712 (let ((val (or arg (1- gnus-level-default-subscribed))))
714 (make-local-variable 'gnus-group-use-permanent-levels)
715 (setq gnus-group-use-permanent-levels val)))
717 (defun gnus-1 (&optional arg dont-connect slave)
719 If ARG is non-nil and a positive number, Gnus will use that as the
720 startup level. If ARG is non-nil and not a positive number, Gnus will
721 prompt the user for the name of an NNTP server to use."
726 (switch-to-buffer gnus-group-buffer)
727 (gnus-group-get-new-news
730 (max (car gnus-group-list-mode) arg))))
734 (gnus-run-hooks 'gnus-before-startup-hook)
735 (nnheader-init-server-buffer)
736 (setq gnus-slave slave)
737 (gnus-read-init-file)
741 (when gnus-simple-splash
742 (setq gnus-simple-splash nil)
747 (= (frame-height) (1+ (window-height))))
750 (let ((level (and (numberp arg) (> arg 0) arg))
756 (gnus-start-news-server (and arg (not level))))))
757 (if (and (not dont-connect)
760 (gnus-run-hooks 'gnus-startup-hook)
761 ;; NNTP server is successfully open.
763 ;; Find the current startup file name.
764 (setq gnus-current-startup-file
765 (gnus-make-newsrc-file gnus-startup-file))
767 ;; Read the dribble file.
768 (when (or gnus-slave gnus-use-dribble-file)
769 (gnus-dribble-read-file))
771 ;; Allow using GroupLens predictions.
772 (when gnus-use-grouplens
774 (add-hook 'gnus-summary-mode-hook 'gnus-grouplens-mode))
776 ;; Do the actual startup.
778 (gnus-request-create-group "queue" '(nndraft "")))
779 (gnus-request-create-group "drafts" '(nndraft ""))
780 (gnus-setup-news nil level dont-connect)
781 (gnus-run-hooks 'gnus-setup-news-hook)
782 (gnus-start-draft-setup)
783 ;; Generate the group buffer.
784 (gnus-group-list-groups level)
785 (gnus-group-first-unread-group)
786 (gnus-configure-windows 'group)
787 (gnus-group-set-mode-line)
788 (gnus-run-hooks 'gnus-started-hook))))))
790 (defun gnus-start-draft-setup ()
791 "Make sure the draft group exists."
792 (gnus-request-create-group "drafts" '(nndraft ""))
793 (unless (gnus-gethash "nndraft:drafts" gnus-newsrc-hashtb)
794 (let ((gnus-level-default-subscribed 1))
795 (gnus-subscribe-group "nndraft:drafts" nil '(nndraft "")))
796 (gnus-group-set-parameter
797 "nndraft:drafts" 'gnus-dummy '((gnus-draft-mode)))))
804 (defvar gnus-dribble-ignore nil)
805 (defvar gnus-dribble-eval-file nil)
807 (defun gnus-dribble-file-name ()
808 "Return the dribble file for the current .newsrc."
810 (if gnus-dribble-directory
811 (concat (file-name-as-directory gnus-dribble-directory)
812 (file-name-nondirectory gnus-current-startup-file))
813 gnus-current-startup-file)
816 (defun gnus-dribble-enter (string)
817 "Enter STRING into the dribble buffer."
818 (when (and (not gnus-dribble-ignore)
820 (buffer-name gnus-dribble-buffer))
821 (let ((obuf (current-buffer)))
822 (set-buffer gnus-dribble-buffer)
823 (goto-char (point-max))
825 ;; This has been commented by Josh Huber <huber@alum.wpi.edu>
826 ;; It causes problems with both XEmacs and Emacs 21, and doesn't
827 ;; seem to be of much value. (FIXME: remove this after we make sure
829 ;; (set-window-point (get-buffer-window (current-buffer)) (point-max))
830 (bury-buffer gnus-dribble-buffer)
832 (set-buffer gnus-group-buffer)
833 (gnus-group-set-mode-line))
836 (defun gnus-dribble-touch ()
837 "Touch the dribble buffer."
838 (gnus-dribble-enter ""))
840 (defun gnus-dribble-read-file ()
841 "Read the dribble file from disk."
842 (let ((dribble-file (gnus-dribble-file-name)))
844 (set-buffer (setq gnus-dribble-buffer
845 (gnus-get-buffer-create
846 (file-name-nondirectory dribble-file))))
848 (setq buffer-file-name dribble-file)
850 (buffer-disable-undo)
851 (bury-buffer (current-buffer))
852 (set-buffer-modified-p nil)
853 (let ((auto (make-auto-save-file-name))
854 (gnus-dribble-ignore t)
857 (when (or (file-exists-p auto) (file-exists-p dribble-file))
858 ;; Load whichever file is newest -- the auto save file
859 ;; or the "real" file.
860 (if (file-newer-than-file-p auto dribble-file)
861 (nnheader-insert-file-contents auto)
862 (nnheader-insert-file-contents dribble-file))
863 (unless (zerop (buffer-size))
864 (set-buffer-modified-p t))
865 ;; Set the file modes to reflect the .newsrc file modes.
867 (when (and (file-exists-p gnus-current-startup-file)
868 (file-exists-p dribble-file)
869 (setq modes (file-modes gnus-current-startup-file)))
870 (set-file-modes dribble-file modes))
871 (goto-char (point-min))
872 (when (search-forward "Gnus was exited on purpose" nil t)
874 ;; Possibly eval the file later.
875 (when (or gnus-always-read-dribble-file
878 "Gnus exited on purpose without saving; read auto-save file anyway? "
879 "Gnus auto-save file exists. Do you want to read it? ")))
880 (setq gnus-dribble-eval-file t)))))))
882 (defun gnus-dribble-eval-file ()
883 (when gnus-dribble-eval-file
884 (setq gnus-dribble-eval-file nil)
886 (let ((gnus-dribble-ignore t))
887 (set-buffer gnus-dribble-buffer)
888 (eval-buffer (current-buffer))))))
890 (defun gnus-dribble-delete-file ()
891 (when (file-exists-p (gnus-dribble-file-name))
892 (delete-file (gnus-dribble-file-name)))
893 (when gnus-dribble-buffer
895 (set-buffer gnus-dribble-buffer)
896 (let ((auto (make-auto-save-file-name)))
897 (when (file-exists-p auto)
900 (set-buffer-modified-p nil)))))
902 (defun gnus-dribble-save ()
903 (when (and gnus-dribble-buffer
904 (buffer-name gnus-dribble-buffer))
906 (set-buffer gnus-dribble-buffer)
909 (defun gnus-dribble-clear ()
910 (when (gnus-buffer-exists-p gnus-dribble-buffer)
912 (set-buffer gnus-dribble-buffer)
914 (set-buffer-modified-p nil)
915 (setq buffer-saved-size (buffer-size)))))
919 ;;; Active & Newsrc File Handling
922 (defun gnus-setup-news (&optional rawfile level dont-connect)
923 "Setup news information.
924 If RAWFILE is non-nil, the .newsrc file will also be read.
925 If LEVEL is non-nil, the news will be set up at level LEVEL."
927 (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile))))
928 ;; Binding this variable will inhibit multiple fetchings
929 ;; of the same mail source.
930 (nnmail-fetched-sources (list t)))
933 ;; Clear some variables to re-initialize news information.
934 (setq gnus-newsrc-alist nil
935 gnus-active-hashtb nil)
936 ;; Read the newsrc file and create `gnus-newsrc-hashtb'.
937 (gnus-read-newsrc-file rawfile))
939 ;; Make sure the archive server is available to all and sundry.
940 (when gnus-message-archive-method
941 (unless (assoc "archive" gnus-server-alist)
946 ,(nnheader-concat message-directory "archive"))
947 (nnfolder-active-file
948 ,(nnheader-concat message-directory "archive/active"))
949 (nnfolder-get-new-mail nil)
950 (nnfolder-inhibit-expiry t))
953 ;; If we don't read the complete active file, we fill in the
955 (when (or (null gnus-read-active-file)
956 (eq gnus-read-active-file 'some))
957 (gnus-update-active-hashtb-from-killed))
959 ;; Validate agent covered methods now that gnus-server-alist has
961 ;; NOTE: This is here for one purpose only. By validating the
962 ;; agentized server's, it converts the old 5.10.3, and earlier,
963 ;; format to the current format. That enables the agent code
964 ;; within gnus-read-active-file to function correctly.
966 (gnus-agent-read-servers-validate))
968 ;; Read the active file and create `gnus-active-hashtb'.
969 ;; If `gnus-read-active-file' is nil, then we just create an empty
970 ;; hash table. The partial filling out of the hash table will be
971 ;; done in `gnus-get-unread-articles'.
972 (and gnus-read-active-file
974 (gnus-read-active-file nil dont-connect))
976 (unless gnus-active-hashtb
977 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
979 ;; Initialize the cache.
983 ;; Possibly eval the dribble file.
985 (or gnus-use-dribble-file gnus-slave)
986 (gnus-dribble-eval-file))
988 ;; Slave Gnusii should then clear the dribble buffer.
989 (when (and init gnus-slave)
990 (gnus-dribble-clear))
992 (gnus-update-format-specifications)
994 ;; See whether we need to read the description file.
995 (when (and (boundp 'gnus-group-line-format)
996 (stringp gnus-group-line-format)
997 (let ((case-fold-search nil))
998 (string-match "%[-,0-9]*D" gnus-group-line-format))
999 (not gnus-description-hashtb)
1001 gnus-read-active-file)
1002 (gnus-read-all-descriptions-files))
1004 ;; Find new newsgroups and treat them.
1005 (when (and init gnus-check-new-newsgroups (not level)
1006 (gnus-check-server gnus-select-method)
1009 (gnus-find-new-newsgroups))
1011 ;; Check and remove bogus newsgroups.
1012 (when (and init gnus-check-bogus-newsgroups
1013 gnus-read-active-file (not level)
1014 (gnus-server-opened gnus-select-method))
1015 (gnus-check-bogus-newsgroups))
1017 ;; We might read in new NoCeM messages here.
1018 (when (and gnus-use-nocem
1021 (gnus-nocem-scan-groups))
1023 ;; Read any slave files.
1024 (gnus-master-read-slave-newsrc)
1026 ;; Find the number of unread articles in each non-dead group.
1027 (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
1028 (gnus-get-unread-articles level))))
1030 (defun gnus-call-subscribe-functions (method group)
1031 "Call METHOD to subscribe GROUP.
1032 If no function returns `non-nil', call `gnus-subscribe-zombies'."
1035 (funcall method group))
1038 (dolist (func method)
1039 (if (funcall func group)
1043 (gnus-subscribe-zombies group)))
1045 (defun gnus-find-new-newsgroups (&optional arg)
1046 "Search for new newsgroups and add them.
1047 Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method'.
1048 The `-n' option line from .newsrc is respected.
1050 With 1 C-u, use the `ask-server' method to query the server for new
1052 With 2 C-u's, use most complete method possible to query the server
1053 for new groups, and subscribe the new groups as zombies."
1055 (let* ((gnus-subscribe-newsgroup-method
1056 gnus-subscribe-newsgroup-method)
1058 ((or (and (= (or arg 1) 4)
1059 (not (listp gnus-check-new-newsgroups)))
1060 (null gnus-read-active-file)
1061 (eq gnus-read-active-file 'some))
1064 (setq gnus-subscribe-newsgroup-method
1065 'gnus-subscribe-zombies)
1067 (t gnus-check-new-newsgroups))))
1068 (unless (gnus-check-first-time-used)
1069 (if (or (consp check)
1070 (eq check 'ask-server))
1071 ;; Ask the server for new groups.
1072 (gnus-ask-server-for-new-groups)
1073 ;; Go through the active hashtb and look for new groups.
1075 group new-newsgroups)
1076 (gnus-message 5 "Looking for new newsgroups...")
1077 (unless gnus-have-read-active-file
1078 (gnus-read-active-file))
1079 (setq gnus-newsrc-last-checked-date (message-make-date))
1080 (unless gnus-killed-hashtb
1081 (gnus-make-hashtable-from-killed))
1082 ;; Go though every newsgroup in `gnus-active-hashtb' and compare
1083 ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
1086 (if (or (null (setq group (symbol-name sym)))
1088 (null (symbol-value sym))
1089 (gnus-gethash group gnus-killed-hashtb)
1090 (gnus-gethash group gnus-newsrc-hashtb))
1092 (let ((do-sub (gnus-matches-options-n group)))
1094 ((eq do-sub 'subscribe)
1095 (setq groups (1+ groups))
1096 (gnus-sethash group group gnus-killed-hashtb)
1097 (gnus-call-subscribe-functions
1098 gnus-subscribe-options-newsgroup-method group))
1099 ((eq do-sub 'ignore)
1102 (setq groups (1+ groups))
1103 (gnus-sethash group group gnus-killed-hashtb)
1104 (if gnus-subscribe-hierarchical-interactive
1105 (push group new-newsgroups)
1106 (gnus-call-subscribe-functions
1107 gnus-subscribe-newsgroup-method group)))))))
1109 (when new-newsgroups
1110 (gnus-subscribe-hierarchical-interactive new-newsgroups))
1112 (gnus-message 5 "%d new newsgroup%s arrived."
1113 groups (if (> groups 1) "s have" " has"))
1114 (gnus-message 5 "No new newsgroups.")))))))
1116 (defun gnus-matches-options-n (group)
1117 ;; Returns `subscribe' if the group is to be unconditionally
1118 ;; subscribed, `ignore' if it is to be ignored, and nil if there is
1119 ;; no match for the group.
1121 ;; First we check the two user variables.
1123 ((and gnus-options-subscribe
1124 (string-match gnus-options-subscribe group))
1126 ((and gnus-auto-subscribed-groups
1127 (string-match gnus-auto-subscribed-groups group))
1129 ((and gnus-options-not-subscribe
1130 (string-match gnus-options-not-subscribe group))
1132 ;; Then we go through the list that was retrieved from the .newsrc
1133 ;; file. This list has elements on the form
1134 ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
1135 ;; is in the reverse order of the options line) is returned.
1137 (let ((regs gnus-newsrc-options-n))
1139 (not (string-match (caar regs) group)))
1140 (setq regs (cdr regs)))
1141 (and regs (cdar regs))))))
1143 (defun gnus-ask-server-for-new-groups ()
1144 (let* ((new-date (message-make-date))
1145 (date (or gnus-newsrc-last-checked-date new-date))
1146 (methods (cons gnus-select-method
1148 (when (gnus-archive-server-wanted-p)
1151 (and (consp gnus-check-new-newsgroups)
1152 gnus-check-new-newsgroups)
1153 gnus-secondary-select-methods))))
1155 group new-newsgroups got-new method hashtb
1156 gnus-override-subscribe-method)
1157 (unless gnus-killed-hashtb
1158 (gnus-make-hashtable-from-killed))
1159 ;; Go through both primary and secondary select methods and
1160 ;; request new newsgroups.
1161 (while (setq method (gnus-server-get-method nil (pop methods)))
1162 (setq new-newsgroups nil
1163 gnus-override-subscribe-method method)
1164 (when (and (gnus-check-server method)
1165 (gnus-request-newgroups date method))
1168 hashtb (gnus-make-hashtable 100))
1169 (set-buffer nntp-server-buffer)
1170 ;; Enter all the new groups into a hashtable.
1171 (gnus-active-to-gnus-format method hashtb 'ignore))
1172 ;; Now all new groups from `method' are in `hashtb'.
1175 (if (or (null (setq group (symbol-name group-sym)))
1176 (not (boundp group-sym))
1177 (null (symbol-value group-sym))
1178 (gnus-gethash group gnus-newsrc-hashtb)
1179 (member group gnus-zombie-list)
1180 (member group gnus-killed-list))
1181 ;; The group is already known.
1183 ;; Make this group active.
1184 (when (symbol-value group-sym)
1185 (gnus-set-active group (symbol-value group-sym)))
1186 ;; Check whether we want it or not.
1187 (let ((do-sub (gnus-matches-options-n group)))
1189 ((eq do-sub 'subscribe)
1191 (gnus-sethash group group gnus-killed-hashtb)
1192 (gnus-call-subscribe-functions
1193 gnus-subscribe-options-newsgroup-method group))
1194 ((eq do-sub 'ignore)
1198 (gnus-sethash group group gnus-killed-hashtb)
1199 (if gnus-subscribe-hierarchical-interactive
1200 (push group new-newsgroups)
1201 (gnus-call-subscribe-functions
1202 gnus-subscribe-newsgroup-method group)))))))
1204 (when new-newsgroups
1205 (gnus-subscribe-hierarchical-interactive new-newsgroups)))
1207 (gnus-message 5 "%d new newsgroup%s arrived"
1208 groups (if (> groups 1) "s have" " has"))
1209 (gnus-message 5 "No new newsgroups"))
1211 (setq gnus-newsrc-last-checked-date new-date))
1214 (defun gnus-check-first-time-used ()
1216 ;; First check if any of the following files exist. If they do,
1217 ;; it's not the first time the user has used Gnus.
1218 (dolist (file (list (concat gnus-current-startup-file ".el")
1219 (concat gnus-current-startup-file ".eld")
1220 (concat gnus-startup-file ".el")
1221 (concat gnus-startup-file ".eld")))
1222 (when (file-exists-p file)
1223 (throw 'ended nil)))
1224 (gnus-message 6 "First time user; subscribing you to default groups")
1225 (unless (gnus-read-active-file-p)
1226 (let ((gnus-read-active-file t))
1227 (gnus-read-active-file)))
1228 (setq gnus-newsrc-last-checked-date (message-make-date))
1229 ;; Subscribe to the default newsgroups.
1230 (let ((groups (or gnus-default-subscribed-newsgroups
1231 gnus-backup-default-subscribed-newsgroups))
1234 ;; If t, we subscribe (or not) all groups as if they were new.
1237 (when (setq group (symbol-name sym))
1238 (let ((do-sub (gnus-matches-options-n group)))
1240 ((eq do-sub 'subscribe)
1241 (gnus-sethash group group gnus-killed-hashtb)
1242 (gnus-call-subscribe-functions
1243 gnus-subscribe-options-newsgroup-method group))
1244 ((eq do-sub 'ignore)
1247 (push group gnus-killed-list))))))
1249 (dolist (group groups)
1250 ;; Only subscribe the default groups that are activated.
1251 (when (gnus-active group)
1252 (gnus-group-change-level
1253 group gnus-level-default-subscribed gnus-level-killed)))
1255 (set-buffer gnus-group-buffer)
1256 ;; Don't error if the group already exists. This happens when a
1257 ;; first-time user types 'F'. -- didier
1258 (gnus-group-make-help-group t))
1259 (when gnus-novice-user
1260 (gnus-message 7 "`A k' to list killed groups"))))))
1262 (defun gnus-subscribe-group (group &optional previous method)
1263 "Subscribe GROUP and put it after PREVIOUS."
1264 (gnus-group-change-level
1266 (list t group gnus-level-default-subscribed nil nil method)
1268 gnus-level-default-subscribed gnus-level-killed previous t)