1 ;;; gnus-start.el --- startup functions for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
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.
36 (eval-when-compile (require 'cl))
38 (defcustom gnus-startup-file (nnheader-concat gnus-home-directory ".newsrc")
40 `.newsrc-SERVER' will be used instead if that exists."
44 (defcustom gnus-init-file (nnheader-concat gnus-home-directory ".gnus")
45 "Your Gnus Emacs-Lisp startup file name.
46 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
50 (defcustom gnus-site-init-file
52 (concat (file-name-directory
53 (directory-file-name installation-directory))
54 "site-lisp/gnus-init")
56 "The site-wide Gnus Emacs-Lisp startup file name, or nil if none.
57 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
59 :type '(choice file (const nil)))
61 (defcustom gnus-default-subscribed-newsgroups nil
62 "List of newsgroups to subscribe, when a user runs Gnus the first time.
63 The value should be a list of strings.
64 If it is t, Gnus will not do anything special the first time it is
65 started; it'll just use the normal newsgroups subscription methods."
67 :type '(choice (repeat string) (const :tag "Nothing special" t)))
69 (defcustom gnus-use-dribble-file t
70 "*Non-nil means that Gnus will use a dribble file to store user updates.
71 If Emacs should crash without saving the .newsrc files, complete
72 information can be restored from the dribble file."
73 :group 'gnus-dribble-file
76 (defcustom gnus-dribble-directory nil
77 "*The directory where dribble files will be saved.
78 If this variable is nil, the directory where the .newsrc files are
80 :group 'gnus-dribble-file
81 :type '(choice directory (const nil)))
83 (defcustom gnus-check-new-newsgroups 'ask-server
84 "*Non-nil means that Gnus will run `gnus-find-new-newsgroups' at startup.
85 This normally finds new newsgroups by comparing the active groups the
86 servers have already reported with those Gnus already knows, either alive
89 When any of the following are true, `gnus-find-new-newsgroups' will instead
90 ask the servers (primary, secondary, and archive servers) to list new
91 groups since the last time it checked:
92 1. This variable is `ask-server'.
93 2. This variable is a list of select methods (see below).
94 3. `gnus-read-active-file' is nil or `some'.
95 4. A prefix argument is given to `gnus-find-new-newsgroups' interactively.
97 Thus, if this variable is `ask-server' or a list of select methods or
98 `gnus-read-active-file' is nil or `some', then the killed list is no
99 longer necessary, so you could safely set `gnus-save-killed-list' to nil.
101 This variable can be a list of select methods which Gnus will query with
102 the `ask-server' method in addition to the primary, secondary, and archive
106 (setq gnus-check-new-newsgroups
107 '((nntp \"some.server\") (nntp \"other.server\")))
109 If this variable is nil, then you have to tell Gnus explicitly to
110 check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups]."
112 :type '(choice (const :tag "no" nil)
113 (const :tag "by brute force" t)
114 (const :tag "ask servers" ask-server)
115 (repeat :menu-tag "ask additional servers"
116 :tag "ask additional servers"
118 (sexp :format "%v"))))
120 (defcustom gnus-check-bogus-newsgroups nil
121 "*Non-nil means that Gnus will check and remove bogus newsgroup at startup.
122 If this variable is nil, then you have to tell Gnus explicitly to
123 check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups]."
124 :group 'gnus-start-server
127 (defcustom gnus-read-active-file 'some
128 "*Non-nil means that Gnus will read the entire active file at startup.
129 If this variable is nil, Gnus will only know about the groups in your
132 If this variable is `some', Gnus will try to only read the relevant
133 parts of the active file from the server. Not all servers support
134 this, and it might be quite slow with other servers, but this should
135 generally be faster than both the t and nil value.
137 If you set this variable to nil or `some', you probably still want to
138 be told about new newsgroups that arrive. To do that, set
139 `gnus-check-new-newsgroups' to `ask-server'. This may not work
140 properly with all servers."
141 :group 'gnus-start-server
142 :type '(choice (const nil)
146 (defconst gnus-level-subscribed 5
147 "Groups with levels less than or equal to this variable are subscribed.")
149 (defconst gnus-level-unsubscribed 7
150 "Groups with levels less than or equal to this variable are unsubscribed.
151 Groups with levels less than `gnus-level-subscribed', which should be
152 less than this variable, are subscribed.")
154 (defconst gnus-level-zombie 8
155 "Groups with this level are zombie groups.")
157 (defconst gnus-level-killed 9
158 "Groups with this level are killed.")
160 (defcustom gnus-level-default-subscribed 3
161 "*New subscribed groups will be subscribed at this level."
162 :group 'gnus-group-levels
165 (defcustom gnus-level-default-unsubscribed 6
166 "*New unsubscribed groups will be unsubscribed at this level."
167 :group 'gnus-group-levels
170 (defcustom gnus-activate-level (1+ gnus-level-subscribed)
171 "*Groups higher than this level won't be activated on startup.
172 Setting this variable to something low might save lots of time when
173 you have many groups that you aren't interested in."
174 :group 'gnus-group-levels
177 (defcustom gnus-activate-foreign-newsgroups 4
178 "*If nil, Gnus will not check foreign newsgroups at startup.
179 If it is non-nil, it should be a number between one and nine. Foreign
180 newsgroups that have a level lower or equal to this number will be
181 activated on startup. For instance, if you want to active all
182 subscribed newsgroups, but not the rest, you'd set this variable to
183 `gnus-level-subscribed'.
185 If you subscribe to lots of newsgroups from different servers, startup
186 might take a while. By setting this variable to nil, you'll save time,
187 but you won't be told how many unread articles there are in the
189 :group 'gnus-group-levels
190 :type '(choice integer
191 (const :tag "none" nil)))
193 (defcustom gnus-read-newsrc-file t
194 "*Non-nil means that Gnus will read the `.newsrc' file.
195 Gnus always reads its own startup file, which is called
196 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
197 be readily understood by other newsreaders. If you don't plan on
198 using other newsreaders, set this variable to nil to save some time on
204 (defcustom gnus-save-newsrc-file t
205 "*Non-nil means that Gnus will save the `.newsrc' file.
206 Gnus always saves its own startup file, which is called
207 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
208 be readily understood by other newsreaders. If you don't plan on
209 using other newsreaders, set this variable to nil to save some time on
214 (defcustom gnus-save-killed-list t
215 "*If non-nil, save the list of killed groups to the startup file.
216 If you set this variable to nil, you'll save both time (when starting
217 and quitting) and space (both memory and disk), but it will also mean
218 that Gnus has no record of which groups are new and which are old, so
219 the automatic new newsgroups subscription methods become meaningless.
221 You should always set `gnus-check-new-newsgroups' to `ask-server' or
222 nil if you set this variable to nil.
224 This variable can also be a regexp. In that case, all groups that do
225 not match this regexp will be removed before saving the list."
229 (defcustom gnus-ignored-newsgroups
231 '("^to\\." ; not "real" groups
232 "^[0-9. \t]+\\( \\|$\\)" ; all digits in name
233 "^[\"][]\"[#'()]" ; bogus characters
236 "*A regexp to match uninteresting newsgroups in the active file.
237 Any lines in the active file matching this regular expression are
238 removed from the newsgroup list before anything else is done to it,
239 thus making them effectively non-existent."
240 :group 'gnus-group-new
243 (defcustom gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
244 "*Function(s) called with a group name when new group is detected.
245 A few pre-made functions are supplied: `gnus-subscribe-randomly'
246 inserts new groups at the beginning of the list of groups;
247 `gnus-subscribe-alphabetically' inserts new groups in strict
248 alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
249 in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
250 for your decision; `gnus-subscribe-killed' kills all new groups;
251 `gnus-subscribe-zombies' will make all new groups into zombies;
252 `gnus-subscribe-topics' will enter groups into the topics that
254 :group 'gnus-group-new
255 :type '(radio (function-item gnus-subscribe-randomly)
256 (function-item gnus-subscribe-alphabetically)
257 (function-item gnus-subscribe-hierarchically)
258 (function-item gnus-subscribe-interactively)
259 (function-item gnus-subscribe-killed)
260 (function-item gnus-subscribe-zombies)
261 (function-item gnus-subscribe-topics)
265 (defcustom gnus-subscribe-newsgroup-hooks nil
266 "*Hooks run after you subscribe to a new group. The hooks will be called
267 with new group's name as argument."
268 :group 'gnus-group-new
271 (defcustom gnus-subscribe-options-newsgroup-method
272 'gnus-subscribe-alphabetically
273 "*Function(s) called to subscribe newsgroups mentioned on \"options -n\" lines.
274 If, for instance, you want to subscribe to all newsgroups in the
275 \"no\" and \"alt\" hierarchies, you'd put the following in your
278 options -n no.all alt.all
280 Gnus will the subscribe all new newsgroups in these hierarchies with
281 the subscription method in this variable."
282 :group 'gnus-group-new
283 :type '(radio (function-item gnus-subscribe-randomly)
284 (function-item gnus-subscribe-alphabetically)
285 (function-item gnus-subscribe-hierarchically)
286 (function-item gnus-subscribe-interactively)
287 (function-item gnus-subscribe-killed)
288 (function-item gnus-subscribe-zombies)
289 (function-item gnus-subscribe-topics)
293 (defcustom gnus-subscribe-hierarchical-interactive nil
294 "*If non-nil, Gnus will offer to subscribe hierarchically.
295 When a new hierarchy appears, Gnus will ask the user:
297 'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
299 If the user pressed `d', Gnus will descend the hierarchy, `y' will
300 subscribe to all newsgroups in the hierarchy and `s' will skip this
301 hierarchy in its entirety."
302 :group 'gnus-group-new
305 (defcustom gnus-auto-subscribed-groups
306 "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl"
307 "*All new groups that match this regexp will be subscribed automatically.
308 Note that this variable only deals with new groups. It has no effect
309 whatsoever on old groups.
311 New groups that match this regexp will not be handled by
312 `gnus-subscribe-newsgroup-method'. Instead, they will
313 be subscribed using `gnus-subscribe-options-newsgroup-method'."
314 :group 'gnus-group-new
317 (defcustom gnus-options-subscribe nil
318 "*All new groups matching this regexp will be subscribed unconditionally.
319 Note that this variable deals only with new newsgroups. This variable
320 does not affect old newsgroups.
322 New groups that match this regexp will not be handled by
323 `gnus-subscribe-newsgroup-method'. Instead, they will
324 be subscribed using `gnus-subscribe-options-newsgroup-method'."
325 :group 'gnus-group-new
326 :type '(choice regexp
327 (const :tag "none" nil)))
329 (defcustom gnus-options-not-subscribe nil
330 "*All new groups matching this regexp will be ignored.
331 Note that this variable deals only with new newsgroups. This variable
332 does not affect old (already subscribed) newsgroups."
333 :group 'gnus-group-new
334 :type '(choice regexp
335 (const :tag "none" nil)))
337 (defcustom gnus-modtime-botch nil
338 "*Non-nil means .newsrc should be deleted prior to save.
339 Its use is due to the bogus appearance that .newsrc was modified on
344 (defcustom gnus-check-bogus-groups-hook nil
345 "A hook run after removing bogus groups."
346 :group 'gnus-start-server
349 (defcustom gnus-startup-hook nil
350 "A hook called at startup.
351 This hook is called after Gnus is connected to the NNTP server."
355 (defcustom gnus-before-startup-hook nil
356 "A hook called at before startup.
357 This hook is called as the first thing when Gnus is started."
361 (defcustom gnus-started-hook nil
362 "A hook called as the last thing after startup."
366 (defcustom gnus-setup-news-hook nil
367 "A hook after reading the .newsrc file, but before generating the buffer."
371 (defcustom gnus-get-new-news-hook nil
372 "A hook run just before Gnus checks for new news."
373 :group 'gnus-group-new
376 (defcustom gnus-after-getting-new-news-hook
377 '(gnus-display-time-event-handler)
378 "*A hook run after Gnus checks for new news when Gnus is already running."
379 :group 'gnus-group-new
382 (defcustom gnus-save-newsrc-hook nil
383 "A hook called before saving any of the newsrc files."
387 (defcustom gnus-save-quick-newsrc-hook nil
388 "A hook called just before saving the quick newsrc file.
389 Can be used to turn version control on or off."
393 (defcustom gnus-save-standard-newsrc-hook nil
394 "A hook called just before saving the standard newsrc file.
395 Can be used to turn version control on or off."
399 (defcustom gnus-group-mode-hook nil
400 "Hook for Gnus group mode."
401 :group 'gnus-group-various
402 :options '(gnus-topic-mode)
405 (defcustom gnus-always-read-dribble-file nil
406 "Unconditionally read the dribble file."
410 ;;; Internal variables
412 (defvar gnus-ding-file-coding-system mm-universal-coding-system
413 "Coding system for ding file.")
415 (defvar gnus-newsrc-file-version nil)
416 (defvar gnus-override-subscribe-method nil)
417 (defvar gnus-dribble-buffer nil)
418 (defvar gnus-newsrc-options nil
419 "Options line in the .newsrc file.")
421 (defvar gnus-newsrc-options-n nil
422 "List of regexps representing groups to be subscribed/ignored unconditionally.")
424 (defvar gnus-newsrc-last-checked-date nil
425 "Date Gnus last asked server for new newsgroups.")
427 (defvar gnus-current-startup-file nil
428 "Startup file for the current host.")
430 ;; Byte-compiler warning.
431 (defvar gnus-group-line-format)
433 ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
434 (defvar gnus-init-inhibit nil)
435 (defun gnus-read-init-file (&optional inhibit-next)
436 ;; Don't load .gnus if the -q option was used.
438 (if gnus-init-inhibit
439 (setq gnus-init-inhibit nil)
440 (setq gnus-init-inhibit inhibit-next)
441 (dolist (file (list gnus-site-init-file gnus-init-file))
443 (locate-library file))
444 (if (or debug-on-error debug-on-quit)
449 (error "Error in %s: %s" file var)))))))))
451 ;; For subscribing new newsgroup
453 (defun gnus-subscribe-hierarchical-interactive (groups)
454 (let ((groups (sort groups 'string<))
455 prefixes prefix start ans group starts)
457 (setq prefixes (list "^"))
458 (while (and groups prefixes)
459 (while (not (string-match (car prefixes) (car groups)))
460 (setq prefixes (cdr prefixes)))
461 (setq prefix (car prefixes))
462 (setq start (1- (length prefix)))
463 (if (and (string-match "[^\\.]\\." (car groups) start)
466 (concat "^" (substring (car groups) 0 (match-end 0))))
467 (string-match prefix (cadr groups)))
469 (push prefix prefixes)
470 (message "Descend hierarchy %s? ([y]nsq): "
471 (substring prefix 1 (1- (length prefix))))
472 (while (not (memq (setq ans (read-char-exclusive))
473 '(?y ?\n ?\r ?n ?s ?q)))
475 (message "Descend hierarchy %s? ([y]nsq): "
476 (substring prefix 1 (1- (length prefix)))))
480 (setq group (car groups))))
481 (push group gnus-killed-list)
482 (gnus-sethash group group gnus-killed-hashtb)
483 (setq groups (cdr groups)))
484 (setq starts (cdr starts)))
488 (setq group (car groups))))
489 (gnus-sethash group group gnus-killed-hashtb)
490 (gnus-subscribe-alphabetically (car groups))
491 (setq groups (cdr groups)))
492 (setq starts (cdr starts)))
495 (setq group (car groups))
496 (push group gnus-killed-list)
497 (gnus-sethash group group gnus-killed-hashtb)
498 (setq groups (cdr groups))))
500 (message "Subscribe %s? ([n]yq)" (car groups))
501 (while (not (memq (setq ans (read-char-exclusive))
502 '(?y ?\n ?\r ?q ?n)))
504 (message "Subscribe %s? ([n]yq)" (car groups)))
505 (setq group (car groups))
507 (gnus-subscribe-alphabetically (car groups))
508 (gnus-sethash group group gnus-killed-hashtb))
511 (setq group (car groups))
512 (push group gnus-killed-list)
513 (gnus-sethash group group gnus-killed-hashtb)
514 (setq groups (cdr groups))))
516 (push group gnus-killed-list)
517 (gnus-sethash group group gnus-killed-hashtb)))
518 (setq groups (cdr groups)))))))
520 (defun gnus-subscribe-randomly (newsgroup)
521 "Subscribe new NEWSGROUP by making it the first newsgroup."
522 (gnus-subscribe-newsgroup newsgroup))
524 (defun gnus-subscribe-alphabetically (newgroup)
525 "Subscribe new NEWSGROUP and insert it in alphabetical order."
526 (let ((groups (cdr gnus-newsrc-alist))
528 (while (and (not before) groups)
529 (if (string< newgroup (caar groups))
530 (setq before (caar groups))
531 (setq groups (cdr groups))))
532 (gnus-subscribe-newsgroup newgroup before)))
534 (defun gnus-subscribe-hierarchically (newgroup)
535 "Subscribe new NEWSGROUP and insert it in hierarchical newsgroup order."
536 ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
538 (set-buffer (nnheader-find-file-noselect gnus-current-startup-file))
540 (let ((groupkey newgroup) before)
541 (while (and (not before) groupkey)
542 (goto-char (point-min))
544 (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
545 (while (and (re-search-forward groupkey-re nil t)
547 (setq before (match-string 1))
548 (string< before newgroup)))))
549 ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
551 (when (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
552 (substring groupkey (match-beginning 1) (match-end 1)))))
553 (gnus-subscribe-newsgroup newgroup before))
554 (kill-buffer (current-buffer)))))
556 (defun gnus-subscribe-interactively (group)
557 "Subscribe the new GROUP interactively.
558 It is inserted in hierarchical newsgroup order if subscribed. If not,
560 (if (gnus-y-or-n-p (format "Subscribe new newsgroup: %s " group))
561 (gnus-subscribe-hierarchically group)
562 (push group gnus-killed-list)))
564 (defun gnus-subscribe-zombies (group)
565 "Make the new GROUP into a zombie group."
566 (push group gnus-zombie-list))
568 (defun gnus-subscribe-killed (group)
569 "Make the new GROUP a killed group."
570 (push group gnus-killed-list))
572 (defun gnus-subscribe-newsgroup (newsgroup &optional next)
573 "Subscribe new NEWSGROUP.
574 If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
575 the first newsgroup."
577 (goto-char (point-min))
578 ;; We subscribe the group by changing its level to `subscribed'.
579 (gnus-group-change-level
580 newsgroup gnus-level-default-subscribed
581 gnus-level-killed (gnus-gethash (or next "dummy.group")
583 (gnus-message 5 "Subscribe newsgroup: %s" newsgroup)
584 (run-hook-with-args 'gnus-subscribe-newsgroup-hooks newsgroup)
587 (defun gnus-read-active-file-p ()
588 "Say whether the active file has been read from `gnus-select-method'."
589 (memq gnus-select-method gnus-have-read-active-file))
591 ;;; General various misc type functions.
593 ;; Silence byte-compiler.
594 (defvar gnus-current-headers)
595 (defvar gnus-thread-indent-array)
596 (defvar gnus-newsgroup-name)
597 (defvar gnus-newsgroup-headers)
598 (defvar gnus-group-list-mode)
599 (defvar gnus-group-mark-positions)
600 (defvar gnus-newsgroup-data)
601 (defvar gnus-newsgroup-unreads)
602 (defvar nnoo-state-alist)
603 (defvar gnus-current-select-method)
605 (defun gnus-close-all-servers ()
608 (dolist (server gnus-opened-servers)
609 (gnus-close-server (car server))))
611 (defun gnus-clear-system ()
612 "Clear all variables and buffers."
613 ;; Clear Gnus variables.
614 (let ((variables gnus-variable-list))
616 (set (car variables) nil)
617 (setq variables (cdr variables))))
618 ;; Clear other internal variables.
619 (setq gnus-list-of-killed-groups nil
620 gnus-have-read-active-file nil
621 gnus-newsrc-alist nil
622 gnus-newsrc-hashtb nil
625 gnus-killed-hashtb nil
626 gnus-active-hashtb nil
627 gnus-moderated-hashtb nil
628 gnus-description-hashtb nil
629 gnus-current-headers nil
630 gnus-thread-indent-array nil
631 gnus-newsgroup-headers nil
632 gnus-newsgroup-name nil
633 gnus-server-alist nil
634 gnus-group-list-mode nil
635 gnus-opened-servers nil
636 gnus-group-mark-positions nil
637 gnus-newsgroup-data nil
638 gnus-newsgroup-unreads nil
640 gnus-current-select-method nil
641 nnmail-split-history nil
642 gnus-ephemeral-servers nil)
643 (gnus-shutdown 'gnus)
644 ;; Kill the startup file.
645 (and gnus-current-startup-file
646 (get-file-buffer gnus-current-startup-file)
647 (kill-buffer (get-file-buffer gnus-current-startup-file)))
648 ;; Clear the dribble buffer.
650 ;; Kill global KILL file buffer.
651 (when (get-file-buffer (gnus-newsgroup-kill-file nil))
652 (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil))))
653 (gnus-kill-buffer nntp-server-buffer)
654 ;; Kill Gnus buffers.
655 (let ((buffers (gnus-buffers)))
657 (mapcar 'kill-buffer buffers)))
658 ;; Remove Gnus frames.
659 (gnus-kill-gnus-frames))
661 (defun gnus-no-server-1 (&optional arg slave)
663 If ARG is a positive number, Gnus will use that as the
664 startup level. If ARG is nil, Gnus will be started at level 2.
665 If ARG is non-nil and not a positive number, Gnus will
666 prompt the user for the name of an NNTP server to use.
667 As opposed to `gnus', this command will not connect to the local server."
669 (let ((val (or arg (1- gnus-level-default-subscribed))))
671 (make-local-variable 'gnus-group-use-permanent-levels)
672 (setq gnus-group-use-permanent-levels val)))
674 (defun gnus-1 (&optional arg dont-connect slave)
676 If ARG is non-nil and a positive number, Gnus will use that as the
677 startup level. If ARG is non-nil and not a positive number, Gnus will
678 prompt the user for the name of an NNTP server to use."
683 (switch-to-buffer gnus-group-buffer)
684 (gnus-group-get-new-news
687 (max (car gnus-group-list-mode) arg))))
691 (gnus-run-hooks 'gnus-before-startup-hook)
692 (nnheader-init-server-buffer)
693 (setq gnus-slave slave)
694 (gnus-read-init-file)
696 (when gnus-simple-splash
697 (setq gnus-simple-splash nil)
702 (= (frame-height) (1+ (window-height))))
705 (let ((level (and (numberp arg) (> arg 0) arg))
711 (gnus-start-news-server (and arg (not level))))))
712 (if (and (not dont-connect)
715 (gnus-run-hooks 'gnus-startup-hook)
716 ;; NNTP server is successfully open.
718 ;; Find the current startup file name.
719 (setq gnus-current-startup-file
720 (gnus-make-newsrc-file gnus-startup-file))
722 ;; Read the dribble file.
723 (when (or gnus-slave gnus-use-dribble-file)
724 (gnus-dribble-read-file))
726 ;; Allow using GroupLens predictions.
727 (when gnus-use-grouplens
729 (add-hook 'gnus-summary-mode-hook 'gnus-grouplens-mode))
731 ;; Do the actual startup.
732 (gnus-setup-news nil level dont-connect)
733 (gnus-run-hooks 'gnus-setup-news-hook)
734 (gnus-start-draft-setup)
735 ;; Generate the group buffer.
736 (gnus-group-list-groups level)
737 (gnus-group-first-unread-group)
738 (gnus-configure-windows 'group)
739 (gnus-group-set-mode-line)
740 (gnus-run-hooks 'gnus-started-hook))))))
742 (defun gnus-start-draft-setup ()
743 "Make sure the draft group exists."
744 (gnus-request-create-group "drafts" '(nndraft ""))
745 (unless (gnus-gethash "nndraft:drafts" gnus-newsrc-hashtb)
746 (let ((gnus-level-default-subscribed 1))
747 (gnus-subscribe-group "nndraft:drafts" nil '(nndraft "")))
748 (gnus-group-set-parameter
749 "nndraft:drafts" 'gnus-dummy '((gnus-draft-mode)))))
752 (defun gnus-unload ()
753 "Unload all Gnus features.
754 \(For some value of `all' or `Gnus'.) Currently, features whose names
755 have prefixes `gnus-', `nn', `mm-' or `rfc' are unloaded. Use
756 cautiously -- unloading may cause trouble."
758 (dolist (feature features)
759 (if (string-match "^\\(gnus-\\|nn\\|mm-\\|rfc\\)" (symbol-name feature))
760 (unload-feature feature 'force))))
767 (defvar gnus-dribble-ignore nil)
768 (defvar gnus-dribble-eval-file nil)
770 (defun gnus-dribble-file-name ()
771 "Return the dribble file for the current .newsrc."
773 (if gnus-dribble-directory
774 (concat (file-name-as-directory gnus-dribble-directory)
775 (file-name-nondirectory gnus-current-startup-file))
776 gnus-current-startup-file)
779 (defun gnus-dribble-enter (string)
780 "Enter STRING into the dribble buffer."
781 (when (and (not gnus-dribble-ignore)
783 (buffer-name gnus-dribble-buffer))
784 (let ((obuf (current-buffer)))
785 (set-buffer gnus-dribble-buffer)
786 (goto-char (point-max))
788 (set-window-point (get-buffer-window (current-buffer)) (point-max))
789 (bury-buffer gnus-dribble-buffer)
791 (set-buffer gnus-group-buffer)
792 (gnus-group-set-mode-line))
795 (defun gnus-dribble-touch ()
796 "Touch the dribble buffer."
797 (gnus-dribble-enter ""))
799 (defun gnus-dribble-read-file ()
800 "Read the dribble file from disk."
801 (let ((dribble-file (gnus-dribble-file-name)))
803 (set-buffer (setq gnus-dribble-buffer
804 (gnus-get-buffer-create
805 (file-name-nondirectory dribble-file))))
807 (setq buffer-file-name dribble-file)
809 (buffer-disable-undo)
810 (bury-buffer (current-buffer))
811 (set-buffer-modified-p nil)
812 (let ((auto (make-auto-save-file-name))
813 (gnus-dribble-ignore t)
816 (when (or (file-exists-p auto) (file-exists-p dribble-file))
817 ;; Load whichever file is newest -- the auto save file
818 ;; or the "real" file.
819 (if (file-newer-than-file-p auto dribble-file)
820 (nnheader-insert-file-contents auto)
821 (nnheader-insert-file-contents dribble-file))
822 (unless (zerop (buffer-size))
823 (set-buffer-modified-p t))
824 ;; Set the file modes to reflect the .newsrc file modes.
826 (when (and (file-exists-p gnus-current-startup-file)
827 (file-exists-p dribble-file)
828 (setq modes (file-modes gnus-current-startup-file)))
829 (set-file-modes dribble-file modes))
830 (goto-char (point-min))
831 (when (search-forward "Gnus was exited on purpose" nil t)
833 ;; Possibly eval the file later.
834 (when (or gnus-always-read-dribble-file
837 "Gnus exited on purpose without saving; read auto-save file anyway? "
838 "Gnus auto-save file exists. Do you want to read it? ")))
839 (setq gnus-dribble-eval-file t)))))))
841 (defun gnus-dribble-eval-file ()
842 (when gnus-dribble-eval-file
843 (setq gnus-dribble-eval-file nil)
845 (let ((gnus-dribble-ignore t))
846 (set-buffer gnus-dribble-buffer)
847 (eval-buffer (current-buffer))))))
849 (defun gnus-dribble-delete-file ()
850 (when (file-exists-p (gnus-dribble-file-name))
851 (delete-file (gnus-dribble-file-name)))
852 (when gnus-dribble-buffer
854 (set-buffer gnus-dribble-buffer)
855 (let ((auto (make-auto-save-file-name)))
856 (when (file-exists-p auto)
859 (set-buffer-modified-p nil)))))
861 (defun gnus-dribble-save ()
862 (when (and gnus-dribble-buffer
863 (buffer-name gnus-dribble-buffer))
865 (set-buffer gnus-dribble-buffer)
868 (defun gnus-dribble-clear ()
869 (when (gnus-buffer-exists-p gnus-dribble-buffer)
871 (set-buffer gnus-dribble-buffer)
873 (set-buffer-modified-p nil)
874 (setq buffer-saved-size (buffer-size)))))
878 ;;; Active & Newsrc File Handling
881 (defun gnus-setup-news (&optional rawfile level dont-connect)
882 "Setup news information.
883 If RAWFILE is non-nil, the .newsrc file will also be read.
884 If LEVEL is non-nil, the news will be set up at level LEVEL."
886 (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile))))
887 ;; Binding this variable will inhibit multiple fetchings
888 ;; of the same mail source.
889 (nnmail-fetched-sources (list t)))
892 ;; Clear some variables to re-initialize news information.
893 (setq gnus-newsrc-alist nil
894 gnus-active-hashtb nil)
895 ;; Read the newsrc file and create `gnus-newsrc-hashtb'.
896 (gnus-read-newsrc-file rawfile))
898 ;; Make sure the archive server is available to all and sundry.
899 (when gnus-message-archive-method
900 (unless (assoc "archive" gnus-server-alist)
905 ,(nnheader-concat message-directory "archive"))
906 (nnfolder-active-file
907 ,(nnheader-concat message-directory "archive/active"))
908 (nnfolder-get-new-mail nil)
909 (nnfolder-inhibit-expiry t))
912 ;; If we don't read the complete active file, we fill in the
914 (when (or (null gnus-read-active-file)
915 (eq gnus-read-active-file 'some))
916 (gnus-update-active-hashtb-from-killed))
918 ;; Read the active file and create `gnus-active-hashtb'.
919 ;; If `gnus-read-active-file' is nil, then we just create an empty
920 ;; hash table. The partial filling out of the hash table will be
921 ;; done in `gnus-get-unread-articles'.
922 (and gnus-read-active-file
924 (gnus-read-active-file nil dont-connect))
926 (unless gnus-active-hashtb
927 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
929 ;; Initialize the cache.
933 ;; Possibly eval the dribble file.
935 (or gnus-use-dribble-file gnus-slave)
936 (gnus-dribble-eval-file))
938 ;; Slave Gnusii should then clear the dribble buffer.
939 (when (and init gnus-slave)
940 (gnus-dribble-clear))
942 (gnus-update-format-specifications)
944 ;; See whether we need to read the description file.
945 (when (and (boundp 'gnus-group-line-format)
946 (stringp gnus-group-line-format)
947 (let ((case-fold-search nil))
948 (string-match "%[-,0-9]*D" gnus-group-line-format))
949 (not gnus-description-hashtb)
951 gnus-read-active-file)
952 (gnus-read-all-descriptions-files))
954 ;; Find new newsgroups and treat them.
955 (when (and init gnus-check-new-newsgroups (not level)
956 (gnus-check-server gnus-select-method)
959 (gnus-find-new-newsgroups))
961 ;; Check and remove bogus newsgroups.
962 (when (and init gnus-check-bogus-newsgroups
963 gnus-read-active-file (not level)
964 (gnus-server-opened gnus-select-method))
965 (gnus-check-bogus-newsgroups))
967 ;; We might read in new NoCeM messages here.
968 (when (and gnus-use-nocem
971 (gnus-nocem-scan-groups))
973 ;; Read any slave files.
974 (gnus-master-read-slave-newsrc)
976 ;; Find the number of unread articles in each non-dead group.
977 (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
978 (gnus-get-unread-articles level))))
980 (defun gnus-call-subscribe-functions (method group)
981 "Call METHOD to subscribe GROUP.
982 If no function returns `non-nil', call `gnus-subscribe-zombies'."
984 ((gnus-functionp method)
985 (funcall method group))
988 (dolist (func method)
989 (if (funcall func group)
993 (gnus-subscribe-zombies group)))
995 (defun gnus-find-new-newsgroups (&optional arg)
996 "Search for new newsgroups and add them.
997 Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method'.
998 The `-n' option line from .newsrc is respected.
1000 With 1 C-u, use the `ask-server' method to query the server for new
1002 With 2 C-u's, use most complete method possible to query the server
1003 for new groups, and subscribe the new groups as zombies."
1005 (let* ((gnus-subscribe-newsgroup-method
1006 gnus-subscribe-newsgroup-method)
1008 ((or (and (= (or arg 1) 4)
1009 (not (listp gnus-check-new-newsgroups)))
1010 (null gnus-read-active-file)
1011 (eq gnus-read-active-file 'some))
1014 (setq gnus-subscribe-newsgroup-method
1015 'gnus-subscribe-zombies)
1017 (t gnus-check-new-newsgroups))))
1018 (unless (gnus-check-first-time-used)
1019 (if (or (consp check)
1020 (eq check 'ask-server))
1021 ;; Ask the server for new groups.
1022 (gnus-ask-server-for-new-groups)
1023 ;; Go through the active hashtb and look for new groups.
1025 group new-newsgroups)
1026 (gnus-message 5 "Looking for new newsgroups...")
1027 (unless gnus-have-read-active-file
1028 (gnus-read-active-file))
1029 (setq gnus-newsrc-last-checked-date (message-make-date))
1030 (unless gnus-killed-hashtb
1031 (gnus-make-hashtable-from-killed))
1032 ;; Go though every newsgroup in `gnus-active-hashtb' and compare
1033 ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
1036 (if (or (null (setq group (symbol-name sym)))
1038 (null (symbol-value sym))
1039 (gnus-gethash group gnus-killed-hashtb)
1040 (gnus-gethash group gnus-newsrc-hashtb))
1042 (let ((do-sub (gnus-matches-options-n group)))
1044 ((eq do-sub 'subscribe)
1045 (setq groups (1+ groups))
1046 (gnus-sethash group group gnus-killed-hashtb)
1047 (gnus-call-subscribe-functions
1048 gnus-subscribe-options-newsgroup-method group))
1049 ((eq do-sub 'ignore)
1052 (setq groups (1+ groups))
1053 (gnus-sethash group group gnus-killed-hashtb)
1054 (if gnus-subscribe-hierarchical-interactive
1055 (push group new-newsgroups)
1056 (gnus-call-subscribe-functions
1057 gnus-subscribe-newsgroup-method group)))))))
1059 (when new-newsgroups
1060 (gnus-subscribe-hierarchical-interactive new-newsgroups))
1062 (gnus-message 5 "%d new newsgroup%s arrived."
1063 groups (if (> groups 1) "s have" " has"))
1064 (gnus-message 5 "No new newsgroups.")))))))
1066 (defun gnus-matches-options-n (group)
1067 ;; Returns `subscribe' if the group is to be unconditionally
1068 ;; subscribed, `ignore' if it is to be ignored, and nil if there is
1069 ;; no match for the group.
1071 ;; First we check the two user variables.
1073 ((and gnus-options-subscribe
1074 (string-match gnus-options-subscribe group))
1076 ((and gnus-auto-subscribed-groups
1077 (string-match gnus-auto-subscribed-groups group))
1079 ((and gnus-options-not-subscribe
1080 (string-match gnus-options-not-subscribe group))
1082 ;; Then we go through the list that was retrieved from the .newsrc
1083 ;; file. This list has elements on the form
1084 ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
1085 ;; is in the reverse order of the options line) is returned.
1087 (let ((regs gnus-newsrc-options-n))
1089 (not (string-match (caar regs) group)))
1090 (setq regs (cdr regs)))
1091 (and regs (cdar regs))))))
1093 (defun gnus-ask-server-for-new-groups ()
1094 (let* ((new-date (message-make-date))
1095 (date (or gnus-newsrc-last-checked-date new-date))
1096 (methods (cons gnus-select-method
1098 (when (gnus-archive-server-wanted-p)
1101 (and (consp gnus-check-new-newsgroups)
1102 gnus-check-new-newsgroups)
1103 gnus-secondary-select-methods))))
1105 group new-newsgroups got-new method hashtb
1106 gnus-override-subscribe-method)
1107 (unless gnus-killed-hashtb
1108 (gnus-make-hashtable-from-killed))
1109 ;; Go through both primary and secondary select methods and
1110 ;; request new newsgroups.
1111 (while (setq method (gnus-server-get-method nil (pop methods)))
1112 (setq new-newsgroups nil
1113 gnus-override-subscribe-method method)
1114 (when (and (gnus-check-server method)
1115 (gnus-request-newgroups date method))
1118 hashtb (gnus-make-hashtable 100))
1119 (set-buffer nntp-server-buffer)
1120 ;; Enter all the new groups into a hashtable.
1121 (gnus-active-to-gnus-format method hashtb 'ignore))
1122 ;; Now all new groups from `method' are in `hashtb'.
1125 (if (or (null (setq group (symbol-name group-sym)))
1126 (not (boundp group-sym))
1127 (null (symbol-value group-sym))
1128 (gnus-gethash group gnus-newsrc-hashtb)
1129 (member group gnus-zombie-list)
1130 (member group gnus-killed-list))
1131 ;; The group is already known.
1133 ;; Make this group active.
1134 (when (symbol-value group-sym)
1135 (gnus-set-active group (symbol-value group-sym)))
1136 ;; Check whether we want it or not.
1137 (let ((do-sub (gnus-matches-options-n group)))
1139 ((eq do-sub 'subscribe)
1141 (gnus-sethash group group gnus-killed-hashtb)
1142 (gnus-call-subscribe-functions
1143 gnus-subscribe-options-newsgroup-method group))
1144 ((eq do-sub 'ignore)
1148 (gnus-sethash group group gnus-killed-hashtb)
1149 (if gnus-subscribe-hierarchical-interactive
1150 (push group new-newsgroups)
1151 (gnus-call-subscribe-functions
1152 gnus-subscribe-newsgroup-method group)))))))
1154 (when new-newsgroups
1155 (gnus-subscribe-hierarchical-interactive new-newsgroups)))
1157 (gnus-message 5 "%d new newsgroup%s arrived"
1158 groups (if (> groups 1) "s have" " has"))
1159 (gnus-message 5 "No new newsgroups"))
1161 (setq gnus-newsrc-last-checked-date new-date))
1164 (defun gnus-check-first-time-used ()
1166 ;; First check if any of the following files exist. If they do,
1167 ;; it's not the first time the user has used Gnus.
1168 (dolist (file (list (concat gnus-current-startup-file ".el")
1169 (concat gnus-current-startup-file ".eld")
1170 (concat gnus-startup-file ".el")
1171 (concat gnus-startup-file ".eld")))
1172 (when (file-exists-p file)
1173 (throw 'ended nil)))
1174 (gnus-message 6 "First time user; subscribing you to default groups")
1175 (unless (gnus-read-active-file-p)
1176 (let ((gnus-read-active-file t))
1177 (gnus-read-active-file)))
1178 (setq gnus-newsrc-last-checked-date (message-make-date))
1179 ;; Subscribe to the default newsgroups.
1180 (let ((groups (or gnus-default-subscribed-newsgroups
1181 gnus-backup-default-subscribed-newsgroups))
1184 ;; If t, we subscribe (or not) all groups as if they were new.
1187 (when (setq group (symbol-name sym))
1188 (let ((do-sub (gnus-matches-options-n group)))
1190 ((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)
1197 (push group gnus-killed-list))))))
1199 (dolist (group groups)
1200 ;; Only subscribe the default groups that are activated.
1201 (when (gnus-active group)
1202 (gnus-group-change-level
1203 group gnus-level-default-subscribed gnus-level-killed)))
1205 (set-buffer gnus-group-buffer)
1206 ;; Don't error if the group already exists. This happens when a
1207 ;; first-time user types 'F'. -- didier
1208 (gnus-group-make-help-group t))
1209 (when gnus-novice-user
1210 (gnus-message 7 "`A k' to list killed groups"))))))
1212 (defun gnus-subscribe-group (group &optional previous method)
1213 "Subcribe GROUP and put it after PREVIOUS."
1214 (gnus-group-change-level
1216 (list t group gnus-level-default-subscribed nil nil method)
1218 gnus-level-default-subscribed gnus-level-killed previous t)
1221 ;; `gnus-group-change-level' is the fundamental function for changing
1222 ;; subscription levels of newsgroups. This might mean just changing
1223 ;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back
1224 ;; again, which subscribes/unsubscribes a group, which is equally
1225 ;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and
1226 ;; from 8-9 to 1-7 means that you remove the group from the list of
1227 ;; killed (or zombie) groups and add them to the (kinda) subscribed
1228 ;; groups. And last but not least, moving from 8 to 9 and 9 to 8,
1229 ;; which is trivial.
1230 ;; ENTRY can either be a string (newsgroup name) or a list (if
1231 ;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST),
1232 ;; otherwise it's a list in the format of the `gnus-newsrc-hashtb'
1234 ;; LEVEL is the new level of the group, OLDLEVEL is the old level and
1235 ;; PREVIOUS is the group (in hashtb entry format) to insert this group
1237 (defun gnus-group-change-level (entry level &optional oldlevel
1238 previous fromkilled)
1239 (let (group info active num)
1240 ;; Glean what info we can from the arguments
1242 (if fromkilled (setq group (nth 1 entry))
1243 (setq group (car (nth 2 entry))))
1245 (when (and (stringp entry)
1247 (< oldlevel gnus-level-zombie))
1248 (setq entry (gnus-gethash entry gnus-newsrc-hashtb)))
1249 (if (and (not oldlevel)
1251 (setq oldlevel (gnus-info-level (nth 2 entry)))
1252 (setq oldlevel (or oldlevel gnus-level-killed)))
1253 (when (stringp previous)
1254 (setq previous (gnus-gethash previous gnus-newsrc-hashtb)))
1256 (if (and (>= oldlevel gnus-level-zombie)
1257 (gnus-gethash group gnus-newsrc-hashtb))
1258 ;; We are trying to subscribe a group that is already
1262 (unless (gnus-ephemeral-group-p group)
1264 (format "(gnus-group-change-level %S %S %S %S %S)"
1265 group level oldlevel (car (nth 2 previous)) fromkilled)))
1267 ;; Then we remove the newgroup from any old structures, if needed.
1268 ;; If the group was killed, we remove it from the killed or zombie
1269 ;; list. If not, and it is in fact going to be killed, we remove
1270 ;; it from the newsrc hash table and assoc.
1272 ((>= oldlevel gnus-level-zombie)
1273 ;; oldlevel could be wrong.
1274 (setq gnus-zombie-list (delete group gnus-zombie-list))
1275 (setq gnus-killed-list (delete group gnus-killed-list)))
1277 (when (and (>= level gnus-level-zombie)
1279 (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb)
1281 (setcdr (gnus-gethash (car (nth 3 entry))
1284 (setcdr (cdr entry) (cdddr entry)))))
1286 ;; Finally we enter (if needed) the list where it is supposed to
1287 ;; go, and change the subscription level. If it is to be killed,
1288 ;; we enter it into the killed or zombie list.
1290 ((>= level gnus-level-zombie)
1291 ;; Remove from the hash table.
1292 (gnus-sethash group nil gnus-newsrc-hashtb)
1293 ;; We do not enter foreign groups into the list of dead
1295 (unless (gnus-group-foreign-p group)
1296 (if (= level gnus-level-zombie)
1297 (push group gnus-zombie-list)
1298 (if (= oldlevel gnus-level-killed)
1299 ;; Remove from active hashtb.
1300 (unintern group gnus-active-hashtb)
1301 ;; Don't add it into killed-list if it was killed.
1302 (push group gnus-killed-list)))))
1304 ;; If the list is to be entered into the newsrc assoc, and
1305 ;; it was killed, we have to create an entry in the newsrc
1306 ;; hashtb format and fix the pointers in the newsrc assoc.
1307 (if (< oldlevel gnus-level-zombie)
1308 ;; It was alive, and it is going to stay alive, so we
1309 ;; just change the level and don't change any pointers or
1310 ;; hash table entries.
1311 (setcar (cdaddr entry) level)
1313 (setq info (cdr entry)
1315 (setq active (gnus-active group))
1317 (if active (- (1+ (cdr active)) (car active)) t))
1318 ;; Shorten the select method if possible, if we need to
1319 ;; store it at all (native groups).
1320 (let ((method (gnus-method-simplify
1321 (or gnus-override-subscribe-method
1322 (gnus-group-method group)))))
1324 (setq info (list group level nil nil method))
1325 (setq info (list group level nil)))))
1328 (let ((p gnus-newsrc-alist))
1332 (setq entry (cons info (cddr previous)))
1335 (setcdr (cdr previous) entry)
1336 (gnus-sethash group (cons num (cdr previous))
1337 gnus-newsrc-hashtb))
1338 (setcdr previous entry)
1339 (gnus-sethash group (cons num previous)
1340 gnus-newsrc-hashtb))
1342 (setcdr (gnus-gethash (caadr entry) gnus-newsrc-hashtb) entry))
1345 "(gnus-group-set-info '%S)" info)))))
1346 (when gnus-group-change-level-function
1347 (funcall gnus-group-change-level-function
1348 group level oldlevel previous)))))
1350 (defun gnus-kill-newsgroup (newsgroup)
1351 "Obsolete function. Kills a newsgroup."
1352 (gnus-group-change-level
1353 (gnus-gethash newsgroup gnus-newsrc-hashtb) gnus-level-killed))
1355 (defun gnus-check-bogus-newsgroups (&optional confirm)
1356 "Remove bogus newsgroups.
1357 If CONFIRM is non-nil, the user has to confirm the deletion of every
1359 (let ((newsrc (cdr gnus-newsrc-alist))
1360 bogus group entry info)
1361 (gnus-message 5 "Checking bogus newsgroups...")
1362 (unless (gnus-read-active-file-p)
1363 (gnus-read-active-file t))
1364 (when (gnus-read-active-file-p)
1365 ;; Find all bogus newsgroup that are subscribed.
1367 (setq info (pop newsrc)
1368 group (gnus-info-group info))
1369 (unless (or (gnus-active group) ; Active
1370 (and (gnus-info-method info)
1371 (not (gnus-secondary-method-p
1372 (gnus-info-method info))))) ; Foreign
1373 ;; Found a bogus newsgroup.
1374 (push group bogus)))
1377 "Remove bogus group %s? "
1379 ;; Remove all bogus subscribed groups by first killing them, and
1380 ;; then removing them from the list of killed groups.
1381 (when (setq entry (gnus-gethash group gnus-newsrc-hashtb))
1382 (gnus-group-change-level entry gnus-level-killed)
1383 (setq gnus-killed-list (delete group gnus-killed-list))))
1384 bogus '("group" "groups" "remove"))
1385 (while (setq group (pop bogus))
1386 ;; Remove all bogus subscribed groups by first killing them, and
1387 ;; then removing them from the list of killed groups.
1388 (when (setq entry (gnus-gethash group gnus-newsrc-hashtb))
1389 (gnus-group-change-level entry gnus-level-killed)
1390 (setq gnus-killed-list (delete group gnus-killed-list)))))
1391 ;; Then we remove all bogus groups from the list of killed and
1392 ;; zombie groups. They are removed without confirmation.
1393 (let ((dead-lists '(gnus-killed-list gnus-zombie-list))
1396 (setq killed (symbol-value (car dead-lists)))
1398 (unless (gnus-active (setq group (pop killed)))
1399 ;; The group is bogus.
1401 (set (car dead-lists)
1402 (delete group (symbol-value (car dead-lists))))))
1403 (setq dead-lists (cdr dead-lists))))
1404 (gnus-run-hooks 'gnus-check-bogus-groups-hook)
1405 (gnus-message 5 "Checking bogus newsgroups...done"))))
1407 (defun gnus-check-duplicate-killed-groups ()
1408 "Remove duplicates from the list of killed groups."
1410 (let ((killed gnus-killed-list))
1412 (gnus-message 9 "%d" (length killed))
1413 (setcdr killed (delete (car killed) (cdr killed)))
1414 (setq killed (cdr killed)))))
1416 ;; We want to inline a function from gnus-cache, so we cheat here:
1418 (defvar gnus-cache-active-hashtb)
1419 (defun gnus-cache-possibly-alter-active (group active)
1420 "Alter the ACTIVE info for GROUP to reflect the articles in the cache."
1421 (when gnus-cache-active-hashtb
1422 (let ((cache-active (gnus-gethash group gnus-cache-active-hashtb)))
1424 (when (< (car cache-active) (car active))
1425 (setcar active (car cache-active)))
1426 (when (> (cdr cache-active) (cdr active))
1427 (setcdr active (cdr cache-active))))))))
1429 (defun gnus-activate-group (group &optional scan dont-check method)
1430 ;; Check whether a group has been activated or not.
1431 ;; If SCAN, request a scan of that group as well.
1432 (let ((method (or method (inline (gnus-find-method-for-group group))))
1434 (and (inline (gnus-check-server method))
1435 ;; We escape all bugs and quit here to make it possible to
1436 ;; continue if a group is so out-there that it reports bugs
1440 (gnus-check-backend-function 'request-scan (car method))
1441 (gnus-request-scan group method))
1443 (if (or debug-on-error debug-on-quit)
1444 (inline (gnus-request-group group dont-check method))
1446 (inline (gnus-request-group group dont-check method))
1449 (message "Quit activating %s" group)
1452 (setq active (gnus-parse-active))
1453 ;; If there are no articles in the group, the GROUP
1454 ;; command may have responded with the `(0 . 0)'. We
1455 ;; ignore this if we already have an active entry
1457 (if (and (zerop (car active))
1458 (zerop (cdr active))
1459 (gnus-active group))
1461 (gnus-set-active group active)
1462 ;; Return the new active info.
1465 (defun gnus-get-unread-articles-in-group (info active &optional update)
1467 ;; Allow the backend to update the info in the group.
1469 (gnus-request-update-info
1470 info (inline (gnus-find-method-for-group
1471 (gnus-info-group info)))))
1472 (gnus-activate-group (gnus-info-group info) nil t))
1474 (let* ((range (gnus-info-read info))
1476 ;; If a cache is present, we may have to alter the active info.
1477 (when (and gnus-use-cache info)
1478 (inline (gnus-cache-possibly-alter-active
1479 (gnus-info-group info) active)))
1480 ;; Modify the list of read articles according to what articles
1481 ;; are available; then tally the unread articles and add the
1482 ;; number to the group hash table entry.
1484 ((zerop (cdr active))
1487 (setq num (- (1+ (cdr active)) (car active))))
1488 ((not (listp (cdr range)))
1489 ;; Fix a single (num . num) range according to the
1490 ;; active hash table.
1491 ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>.
1492 (and (< (cdr range) (car active)) (setcdr range (1- (car active))))
1493 (and (> (cdr range) (cdr active)) (setcdr range (cdr active)))
1494 ;; Compute number of unread articles.
1495 (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range))))))
1497 ;; The read list is a list of ranges. Fix them according to
1498 ;; the active hash table.
1499 ;; First peel off any elements that are below the lower
1501 (while (and (cdr range)
1503 (or (and (atom (cadr range)) (cadr range))
1505 (if (numberp (car range))
1508 (or (and (numberp (cadr range))
1512 (or (and (numberp (nth 1 range)) (nth 1 range))
1514 (setcdr range (cddr range)))
1515 ;; Adjust the first element to be the same as the lower limit.
1516 (when (and (not (atom (car range)))
1517 (< (cdar range) (car active)))
1518 (setcdr (car range) (1- (car active))))
1519 ;; Then we want to peel off any elements that are higher
1520 ;; than the upper active limit.
1521 (let ((srange range))
1522 ;; Go past all valid elements.
1523 (while (and (cdr srange)
1524 (<= (or (and (atom (cadr srange))
1528 (setq srange (cdr srange)))
1530 ;; Nuke all remaining invalid elements.
1531 (setcdr srange nil))
1533 ;; Adjust the final element.
1534 (when (and (not (atom (car srange)))
1535 (> (cdar srange) (cdr active)))
1536 (setcdr (car srange) (cdr active))))
1537 ;; Compute the number of unread articles.
1539 (setq num (+ num (- (1+ (or (and (atom (car range)) (car range))
1541 (or (and (atom (car range)) (car range))
1543 (setq range (cdr range)))
1544 (setq num (max 0 (- (cdr active) num)))))
1545 ;; Set the number of unread articles.
1547 (setcar (gnus-gethash (gnus-info-group info) gnus-newsrc-hashtb) num))
1550 ;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb'
1551 ;; and compute how many unread articles there are in each group.
1552 (defun gnus-get-unread-articles (&optional level)
1553 (let* ((newsrc (cdr gnus-newsrc-alist))
1554 (level (or level gnus-activate-level (1+ gnus-level-subscribed)))
1557 (cond ((and gnus-activate-foreign-newsgroups
1558 (not (numberp gnus-activate-foreign-newsgroups)))
1559 (1+ gnus-level-subscribed))
1560 ((numberp gnus-activate-foreign-newsgroups)
1561 gnus-activate-foreign-newsgroups)
1564 scanned-methods info group active method retrieve-groups)
1565 (gnus-message 5 "Checking new news...")
1568 (setq active (gnus-active (setq group (gnus-info-group
1569 (setq info (pop newsrc))))))
1571 ;; Check newsgroups. If the user doesn't want to check them, or
1572 ;; they can't be checked (for instance, if the news server can't
1573 ;; be reached) we just set the number of unread articles in this
1574 ;; newsgroup to t. This means that Gnus thinks that there are
1575 ;; unread articles, but it has no idea how many.
1577 ;; To be more explicit:
1578 ;; >0 for an active group with messages
1579 ;; 0 for an active group with no unread messages
1580 ;; nil for non-foreign groups that the user has requested not be checked
1581 ;; t for unchecked foreign groups or bogus groups, or groups that can't
1582 ;; be checked, for one reason or other.
1583 (if (and (setq method (gnus-info-method info))
1587 (setq method (gnus-server-get-method nil method)))))
1588 (not (gnus-secondary-method-p method)))
1589 ;; These groups are foreign. Check the level.
1590 (when (and (<= (gnus-info-level info) foreign-level)
1591 (setq active (gnus-activate-group group 'scan)))
1592 ;; Let the Gnus agent save the active file.
1593 (when (and gnus-agent gnus-plugged active)
1594 (gnus-agent-save-group-info
1595 method (gnus-group-real-name group) active))
1596 (unless (inline (gnus-virtual-group-p group))
1597 (inline (gnus-close-group group)))
1598 (when (fboundp (intern (concat (symbol-name (car method))
1599 "-request-update-info")))
1600 (inline (gnus-request-update-info info method))))
1601 ;; These groups are native or secondary.
1603 ;; We don't want these groups.
1604 ((> (gnus-info-level info) level)
1605 (setq active 'ignore))
1607 ((not gnus-read-active-file)
1608 (if (gnus-check-backend-function 'retrieve-groups group)
1609 ;; if server support gnus-retrieve-groups we push
1610 ;; the group onto retrievegroups for later checking
1611 (if (assoc method retrieve-groups)
1612 (setcdr (assoc method retrieve-groups)
1613 (cons group (cdr (assoc method retrieve-groups))))
1614 (push (list method group) retrieve-groups))
1615 ;; hack: `nnmail-get-new-mail' changes the mail-source depending
1616 ;; on the group, so we must perform a scan for every group
1617 ;; if the users has any directory mail sources.
1618 ;; hack: if `nnmail-scan-directory-mail-source-once' is non-nil,
1619 ;; for it scan all spool files even when the groups are
1622 (or nnmail-scan-directory-mail-source-once
1623 (null (assq 'directory
1625 (if (listp nnmail-spool-file)
1627 (list nnmail-spool-file))))))
1628 (member method scanned-methods))
1629 (setq active (gnus-activate-group group))
1630 (setq active (gnus-activate-group group 'scan))
1631 (push method scanned-methods))
1633 (gnus-close-group group))))))
1635 ;; Get the number of unread articles in the group.
1637 ((eq active 'ignore)
1638 ;; Don't do anything.
1641 (inline (gnus-get-unread-articles-in-group info active t)))
1643 ;; The group couldn't be reached, so we nix out the number of
1644 ;; unread articles and stuff.
1645 (gnus-set-active group nil)
1646 (let ((tmp (gnus-gethash group gnus-newsrc-hashtb)))
1650 ;; iterate through groups on methods which support gnus-retrieve-groups
1651 ;; and fetch a partial active file and use it to find new news.
1652 (dolist (rg retrieve-groups)
1653 (let ((method (or (car rg) gnus-select-method))
1655 (when (gnus-check-server method)
1656 ;; Request that the backend scan its incoming messages.
1657 (when (gnus-check-backend-function 'request-scan (car method))
1658 (gnus-request-scan nil method))
1659 (gnus-read-active-file-2
1660 (mapcar (lambda (group) (gnus-group-real-name group)) groups)
1662 (dolist (group groups)
1664 ((setq active (gnus-active (gnus-info-group
1665 (setq info (gnus-get-info group)))))
1666 (inline (gnus-get-unread-articles-in-group info active t)))
1668 ;; The group couldn't be reached, so we nix out the number of
1669 ;; unread articles and stuff.
1670 (gnus-set-active group nil)
1671 (setcar (gnus-gethash group gnus-newsrc-hashtb) t)))))))
1673 (gnus-message 5 "Checking new news...done")))
1675 ;; Create a hash table out of the newsrc alist. The `car's of the
1676 ;; alist elements are used as keys.
1677 (defun gnus-make-hashtable-from-newsrc-alist ()
1678 (let ((alist gnus-newsrc-alist)
1679 (ohashtb gnus-newsrc-hashtb)
1681 (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
1683 (setq prev (setq gnus-newsrc-alist
1684 (if (equal (caar gnus-newsrc-alist)
1687 (cons (list "dummy.group" 0 nil) alist)))))
1691 ;; Preserve number of unread articles in groups.
1692 (cons (and ohashtb (car (gnus-gethash (caar alist) ohashtb)))
1696 alist (cdr alist)))))
1698 (defun gnus-make-hashtable-from-killed ()
1699 "Create a hash table from the killed and zombie lists."
1700 (let ((lists '(gnus-killed-list gnus-zombie-list))
1702 (setq gnus-killed-hashtb
1703 (gnus-make-hashtable
1704 (+ (length gnus-killed-list) (length gnus-zombie-list))))
1706 (setq list (symbol-value (pop lists)))
1708 (gnus-sethash (car list) (pop list) gnus-killed-hashtb)))))
1710 (defun gnus-parse-active ()
1711 "Parse active info in the nntp server buffer."
1713 (set-buffer nntp-server-buffer)
1714 (goto-char (point-min))
1715 ;; Parse the result we got from `gnus-request-group'.
1716 (when (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
1717 (goto-char (match-beginning 1))
1718 (cons (read (current-buffer))
1719 (read (current-buffer))))))
1721 (defun gnus-make-articles-unread (group articles)
1722 "Mark ARTICLES in GROUP as unread."
1723 (let* ((info (nth 2 (or (gnus-gethash group gnus-newsrc-hashtb)
1724 (gnus-gethash (gnus-group-real-name group)
1725 gnus-newsrc-hashtb))))
1726 (ranges (gnus-info-read info))
1729 (when (gnus-member-of-range
1730 (setq article (pop articles)) ranges)
1731 (push article news)))
1734 info (gnus-remove-from-range (gnus-info-read info) (nreverse news)))
1735 (gnus-group-update-group group t))))
1737 ;; Enter all dead groups into the hashtb.
1738 (defun gnus-update-active-hashtb-from-killed ()
1739 (let ((hashtb (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1740 (lists (list gnus-killed-list gnus-zombie-list))
1743 (setq killed (car lists))
1745 (gnus-sethash (car killed) nil hashtb)
1746 (setq killed (cdr killed)))
1747 (setq lists (cdr lists)))))
1749 (defun gnus-get-killed-groups ()
1750 "Go through the active hashtb and mark all unknown groups as killed."
1751 ;; First make sure active file has been read.
1752 (unless (gnus-read-active-file-p)
1753 (let ((gnus-read-active-file t))
1754 (gnus-read-active-file)))
1755 (unless gnus-killed-hashtb
1756 (gnus-make-hashtable-from-killed))
1757 ;; Go through all newsgroups that are known to Gnus - enlarge kill list.
1761 (group (symbol-name sym)))
1762 (if (or (null group)
1763 (gnus-gethash group gnus-killed-hashtb)
1764 (gnus-gethash group gnus-newsrc-hashtb))
1766 (let ((do-sub (gnus-matches-options-n group)))
1767 (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore))
1769 (setq groups (1+ groups))
1770 (push group gnus-killed-list)
1771 (gnus-sethash group group gnus-killed-hashtb))))))
1773 (gnus-dribble-touch))
1775 ;; Get the active file(s) from the backend(s).
1776 (defun gnus-read-active-file (&optional force not-native)
1777 (gnus-group-set-mode-line)
1780 (lambda (m) (if (stringp m) (gnus-server-get-method nil m) m))
1782 (if (and (not not-native)
1783 (gnus-check-server gnus-select-method))
1784 ;; The native server is available.
1785 (cons gnus-select-method gnus-secondary-select-methods)
1786 ;; The native server is down, so we just do the
1788 gnus-secondary-select-methods)
1789 ;; Also read from the archive server.
1790 (when (gnus-archive-server-wanted-p)
1791 (list "archive")))))
1793 (setq gnus-have-read-active-file nil)
1795 (set-buffer nntp-server-buffer)
1796 (while (setq method (pop methods))
1797 ;; Only do each method once, in case the methods appear more
1798 ;; than once in this list.
1799 (unless (member method methods)
1800 (if (or debug-on-error debug-on-quit)
1801 (gnus-read-active-file-1 method force)
1803 (gnus-read-active-file-1 method force)
1804 ;; We catch C-g so that we can continue past servers
1805 ;; that do not respond.
1807 (message "Quit reading the active file")
1810 (defun gnus-read-active-file-1 (method force)
1812 (setq where (nth 1 method)
1813 mesg (format "Reading active file%s via %s..."
1814 (if (and where (not (zerop (length where))))
1815 (concat " from " where) "")
1817 (gnus-message 5 mesg)
1818 (when (gnus-check-server method)
1819 ;; Request that the backend scan its incoming messages.
1820 (when (gnus-check-backend-function 'request-scan (car method))
1821 (gnus-request-scan nil method))
1823 ((and (eq gnus-read-active-file 'some)
1824 (gnus-check-backend-function 'retrieve-groups (car method))
1826 (let ((newsrc (cdr gnus-newsrc-alist))
1827 (gmethod (gnus-server-get-method nil method))
1829 (while (setq info (pop newsrc))
1833 (gnus-find-method-for-group
1834 (gnus-info-group info) info))
1836 (push (gnus-group-real-name (gnus-info-group info))
1838 (gnus-read-active-file-2 groups method)))
1842 (if (not (gnus-request-list method))
1843 (unless (equal method gnus-message-archive-method)
1844 (gnus-error 1 "Cannot read active file from %s server"
1846 (gnus-message 5 mesg)
1847 (gnus-active-to-gnus-format method gnus-active-hashtb nil t)
1848 ;; We mark this active file as read.
1849 (push method gnus-have-read-active-file)
1850 (gnus-message 5 "%sdone" mesg)))))))
1852 (defun gnus-read-active-file-2 (groups method)
1853 "Read an active file for GROUPS in METHOD using gnus-retrieve-groups."
1856 (set-buffer nntp-server-buffer)
1857 (gnus-check-server method)
1858 (let ((list-type (gnus-retrieve-groups groups method)))
1859 (cond ((not list-type)
1861 1.2 "Cannot read partial active file from %s server."
1863 ((eq list-type 'active)
1864 (gnus-active-to-gnus-format method gnus-active-hashtb nil t))
1866 (gnus-groups-to-gnus-format method gnus-active-hashtb t)))))))
1868 ;; Read an active file and place the results in `gnus-active-hashtb'.
1869 (defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors
1872 (setq method gnus-select-method))
1873 (let ((cur (current-buffer))
1875 (if (and gnus-active-hashtb
1876 (not (equal method gnus-select-method)))
1878 (setq gnus-active-hashtb
1879 (if (equal method gnus-select-method)
1880 (gnus-make-hashtable
1881 (count-lines (point-min) (point-max)))
1882 (gnus-make-hashtable 4096)))))))
1883 ;; Delete unnecessary lines.
1884 (goto-char (point-min))
1886 ((string= gnus-ignored-newsgroups "")
1887 (delete-matching-lines "^to\\."))
1889 (delete-matching-lines (concat "^to\\.\\|" gnus-ignored-newsgroups))))
1891 (goto-char (point-min))
1892 (unless (re-search-forward "[\\\"]" nil t)
1893 ;; Make the group names readable as a lisp expression even if they
1894 ;; contain special characters.
1895 (goto-char (point-max))
1896 (while (re-search-backward "[][';?()#]" nil t)
1899 ;; Let the Gnus agent save the active file.
1900 (when (and gnus-agent real-active gnus-plugged)
1901 (gnus-agent-save-active method))
1903 ;; If these are groups from a foreign select method, we insert the
1904 ;; group prefix in front of the group names.
1905 (when (not (gnus-server-equal
1906 (gnus-server-get-method nil method)
1907 (gnus-server-get-method nil gnus-select-method)))
1908 (let ((prefix (gnus-group-prefixed-name "" method)))
1909 (goto-char (point-min))
1910 (while (and (not (eobp))
1912 (when (= (following-char) ?\")
1915 (zerop (forward-line 1)))))))
1916 ;; Store the active file in a hash table.
1917 (goto-char (point-min))
1918 (let (group max min)
1922 (narrow-to-region (point) (gnus-point-at-eol))
1923 ;; group gets set to a symbol interned in the hash table
1924 ;; (what a hack!!) - jwz
1925 (setq group (let ((obarray hashtb)) (read cur)))
1926 ;; ### The extended group name scheme makes
1927 ;; the previous optimization strategy sort of pointless...
1928 (when (stringp group)
1929 (setq group (intern group hashtb)))
1930 (if (and (numberp (setq max (read cur)))
1931 (numberp (setq min (read cur)))
1933 (skip-chars-forward " \t")
1935 (or (eq (char-after) ?=)
1936 (eq (char-after) ?x)
1937 (eq (char-after) ?j)))))
1939 (set group (cons min max))
1940 ;; if group is moderated, stick in moderation table
1941 (when (eq (char-after) ?m)
1942 (unless gnus-moderated-hashtb
1943 (setq gnus-moderated-hashtb (gnus-make-hashtable)))
1944 (gnus-sethash (symbol-name group) t
1945 gnus-moderated-hashtb)))
1951 (unless ignore-errors
1952 (gnus-message 3 "Warning - invalid active: %s"
1954 (gnus-point-at-bol) (gnus-point-at-eol))))))
1956 (forward-line 1)))))
1958 (defun gnus-groups-to-gnus-format (method &optional hashtb real-active)
1959 ;; Parse a "groups" active file.
1960 (let ((cur (current-buffer))
1962 (if (and method gnus-active-hashtb)
1964 (setq gnus-active-hashtb
1965 (gnus-make-hashtable
1966 (count-lines (point-min) (point-max)))))))
1968 (not (gnus-server-equal
1969 (gnus-server-get-method nil method)
1970 (gnus-server-get-method nil gnus-select-method)))
1971 (gnus-group-prefixed-name "" method))))
1973 ;; Let the Gnus agent save the active file.
1977 (gnus-agent-method-p method))
1979 (gnus-agent-save-groups method)
1980 (gnus-active-to-gnus-format method hashtb nil real-active))
1982 (goto-char (point-min))
1983 ;; We split this into to separate loops, one with the prefix
1984 ;; and one without to speed the reading up somewhat.
1986 (let (min max opoint group)
1990 (read cur) (read cur)
1991 (setq min (read cur)
1994 (skip-chars-forward " \t")
1997 (set (let ((obarray hashtb)) (read cur))
1999 (error (and group (symbolp group) (set group nil))))
2001 (let (min max group)
2004 (when (eq (char-after) ?2)
2005 (read cur) (read cur)
2006 (setq min (read cur)
2008 (set (setq group (let ((obarray hashtb)) (read cur)))
2010 (error (and group (symbolp group) (set group nil))))
2011 (forward-line 1)))))))
2013 (defun gnus-read-newsrc-file (&optional force)
2015 If FORCE is non-nil, the .newsrc file is read."
2016 ;; Reset variables that might be defined in the .newsrc.eld file.
2017 (let ((variables gnus-variable-list))
2019 (set (car variables) nil)
2020 (setq variables (cdr variables))))
2021 (let* ((newsrc-file gnus-current-startup-file)
2022 (quick-file (concat newsrc-file ".el")))
2024 ;; We always load the .newsrc.eld file. If always contains
2025 ;; much information that can not be gotten from the .newsrc
2026 ;; file (ticked articles, killed groups, foreign methods, etc.)
2027 (gnus-read-newsrc-el-file quick-file)
2029 (when (and gnus-read-newsrc-file
2030 (file-exists-p gnus-current-startup-file)
2032 (and (file-newer-than-file-p newsrc-file quick-file)
2033 (file-newer-than-file-p newsrc-file
2034 (concat quick-file "d")))
2035 (not gnus-newsrc-alist)))
2036 ;; We read the .newsrc file. Note that if there if a
2037 ;; .newsrc.eld file exists, it has already been read, and
2038 ;; the `gnus-newsrc-hashtb' has been created. While reading
2039 ;; the .newsrc file, Gnus will only use the information it
2040 ;; can find there for changing the data already read -
2041 ;; i. e., reading the .newsrc file will not trash the data
2042 ;; already read (except for read articles).
2044 (gnus-message 5 "Reading %s..." newsrc-file)
2045 (set-buffer (nnheader-find-file-noselect newsrc-file))
2046 (buffer-disable-undo)
2047 (gnus-newsrc-to-gnus-format)
2048 (kill-buffer (current-buffer))
2049 (gnus-message 5 "Reading %s...done" newsrc-file)))
2051 ;; Convert old to new.
2052 (gnus-convert-old-newsrc))))
2054 (defun gnus-convert-old-newsrc ()
2055 "Convert old newsrc into the new format, if needed."
2056 (let ((fcv (and gnus-newsrc-file-version
2057 (gnus-continuum-version gnus-newsrc-file-version))))
2059 ;; No .newsrc.eld file was loaded.
2061 ;; Gnus 5 .newsrc.eld was loaded.
2062 ((< fcv (gnus-continuum-version "September Gnus v0.1"))
2063 (gnus-convert-old-ticks)))))
2065 (defun gnus-convert-old-ticks ()
2066 (let ((newsrc (cdr gnus-newsrc-alist))
2067 marks info dormant ticked)
2068 (while (setq info (pop newsrc))
2069 (when (setq marks (gnus-info-marks info))
2070 (setq dormant (cdr (assq 'dormant marks))
2071 ticked (cdr (assq 'tick marks)))
2072 (when (or dormant ticked)
2076 (gnus-info-read info)
2077 (nconc (gnus-uncompress-range dormant)
2078 (gnus-uncompress-range ticked)))))))))
2080 (defun gnus-read-newsrc-el-file (file)
2081 (let ((ding-file (concat file "d")))
2082 ;; We always, always read the .eld file.
2083 (gnus-message 5 "Reading %s..." ding-file)
2084 (let (gnus-newsrc-assoc)
2085 (if (or debug-on-error debug-on-quit)
2086 (let ((coding-system-for-read gnus-ding-file-coding-system))
2087 (load ding-file t t t))
2089 (let ((coding-system-for-read gnus-ding-file-coding-system))
2090 (load ding-file t t t))
2093 (unless (gnus-yes-or-no-p
2094 (format "Error in %s; continue? " ding-file))
2095 (error "Error in %s" ding-file)))))
2096 ;; Older versions of `gnus-format-specs' are no longer valid
2097 ;; in Oort Gnus 0.01.
2099 (and gnus-newsrc-file-version
2100 (gnus-continuum-version gnus-newsrc-file-version))))
2101 (when (or (not version)
2102 (< version 5.090002))
2103 (setq gnus-format-specs nil)))
2104 (when gnus-newsrc-assoc
2105 (setq gnus-newsrc-alist gnus-newsrc-assoc)))
2106 (gnus-make-hashtable-from-newsrc-alist)
2107 (when (file-newer-than-file-p file ding-file)
2108 ;; Old format quick file
2109 (gnus-message 5 "Reading %s..." file)
2110 ;; The .el file is newer than the .eld file, so we read that one
2112 (gnus-read-old-newsrc-el-file file))))
2114 ;; Parse the old-style quick startup file
2115 (defun gnus-read-old-newsrc-el-file (file)
2116 (let (newsrc killed marked group m info)
2118 (let ((gnus-killed-assoc nil)
2119 gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc)
2123 (setq newsrc gnus-newsrc-assoc
2124 killed gnus-killed-assoc
2125 marked gnus-marked-assoc)))
2126 (setq gnus-newsrc-alist nil)
2127 (while (setq group (pop newsrc))
2128 (if (setq info (gnus-get-info (car group)))
2130 (gnus-info-set-read info (cddr group))
2131 (gnus-info-set-level
2132 info (if (nth 1 group) gnus-level-default-subscribed
2133 gnus-level-default-unsubscribed))
2134 (push info gnus-newsrc-alist))
2137 (if (nth 1 group) gnus-level-default-subscribed
2138 gnus-level-default-unsubscribed)
2141 ;; Copy marks into info.
2142 (when (setq m (assoc (car group) marked))
2143 (unless (nthcdr 3 info)
2144 (nconc info (list nil)))
2145 (gnus-info-set-marks
2146 info (list (cons 'tick (gnus-compress-sequence
2147 (sort (cdr m) '<) t))))))
2148 (setq newsrc killed)
2150 (setcar newsrc (caar newsrc))
2151 (setq newsrc (cdr newsrc)))
2152 (setq gnus-killed-list killed))
2153 ;; The .el file version of this variable does not begin with
2154 ;; "options", while the .eld version does, so we just add it if it
2158 (when (not (string-match "^ *options" gnus-newsrc-options))
2159 (setq gnus-newsrc-options (concat "options " gnus-newsrc-options)))
2160 (when (not (string-match "\n$" gnus-newsrc-options))
2161 (setq gnus-newsrc-options (concat gnus-newsrc-options "\n")))
2162 ;; Finally, if we read some options lines, we parse them.
2163 (unless (string= gnus-newsrc-options "")
2164 (gnus-newsrc-parse-options gnus-newsrc-options)))
2166 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))
2167 (gnus-make-hashtable-from-newsrc-alist)))
2169 (defun gnus-make-newsrc-file (file)
2170 "Make server dependent file name by catenating FILE and server host name."
2171 (let* ((file (expand-file-name file nil))
2172 (real-file (concat file "-" (nth 1 gnus-select-method))))
2173 (if (or (file-exists-p real-file)
2174 (file-exists-p (concat real-file ".el"))
2175 (file-exists-p (concat real-file ".eld")))
2179 (defun gnus-newsrc-to-gnus-format ()
2180 (setq gnus-newsrc-options "")
2181 (setq gnus-newsrc-options-n nil)
2183 (unless gnus-active-hashtb
2184 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
2185 (let ((buf (current-buffer))
2186 (already-read (> (length gnus-newsrc-alist) 1))
2187 group subscribed options-symbol newsrc Options-symbol
2189 (goto-char (point-min))
2190 ;; We intern the symbol `options' in the active hashtb so that we
2191 ;; can `eq' against it later.
2192 (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil)
2193 (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil)
2196 ;; We first read the first word on the line by narrowing and
2197 ;; then reading into `gnus-active-hashtb'. Most groups will
2198 ;; already exist in that hashtb, so this will save some string
2202 (progn (skip-chars-forward "^ \t!:\n") (point)))
2203 (goto-char (point-min))
2205 (and (/= (point-min) (point-max))
2206 (let ((obarray gnus-active-hashtb)) (read buf))))
2208 ;; Now, the symbol we have read is either `options' or a group
2209 ;; name. If it is an options line, we just add it to a string.
2211 ((or (eq symbol options-symbol)
2212 (eq symbol Options-symbol))
2213 (setq gnus-newsrc-options
2214 ;; This concating is quite inefficient, but since our
2215 ;; thorough studies show that approx 99.37% of all
2216 ;; .newsrc files only contain a single options line, we
2217 ;; don't give a damn, frankly, my dear.
2218 (concat gnus-newsrc-options
2221 ;; Options may continue on the next line.
2222 (or (and (re-search-forward "^[^ \t]" nil 'move)
2223 (progn (beginning-of-line) (point)))
2227 ;; Group names can be just numbers.
2228 (when (numberp symbol)
2229 (setq symbol (intern (int-to-string symbol) gnus-active-hashtb)))
2230 (unless (boundp symbol)
2232 ;; It was a group name.
2233 (setq subscribed (eq (char-after) ?:)
2234 group (symbol-name symbol)
2237 ;; If the line ends here, this is clearly a buggy line, so
2238 ;; we put point a the beginning of line and let the cond
2239 ;; below do the error handling.
2241 ;; We skip to the beginning of the ranges.
2242 (skip-chars-forward "!: \t"))
2243 ;; We are now at the beginning of the list of read articles.
2244 ;; We read them range by range.
2247 ((looking-at "[0-9]+")
2248 ;; We narrow and read a number instead of buffer-substring/
2249 ;; string-to-int because it's faster. narrow/widen is
2250 ;; faster than save-restriction/narrow, and save-restriction
2251 ;; produces a garbage object.
2253 (narrow-to-region (match-beginning 0) (match-end 0))
2256 ;; If the next character is a dash, then this is a range.
2257 (if (eq (char-after) ?-)
2259 ;; We read the upper bound of the range.
2261 (if (not (looking-at "[0-9]+"))
2262 ;; This is a buggy line, by we pretend that
2263 ;; it's kinda OK. Perhaps the user should be
2269 (narrow-to-region (match-beginning 0)
2274 ;; It was just a simple number, so we add it to the
2277 ;; If the next char in ?\n, then we have reached the end
2278 ;; of the line and return nil.
2279 (not (eq (char-after) ?\n)))
2280 ((eq (char-after) ?\n)
2281 ;; End of line, so we end.
2284 ;; Not numbers and not eol, so this might be a buggy
2287 ;; If it was eob instead of ?\n, we allow it.
2288 ;; The line was buggy.
2290 (gnus-error 3.1 "Mangled line: %s"
2291 (buffer-substring (gnus-point-at-bol)
2292 (gnus-point-at-eol))))
2294 ;; Skip past ", ". Spaces are invalid in these ranges, but
2295 ;; we allow them, because it's a common mistake to put a
2296 ;; space after the comma.
2297 (skip-chars-forward ", "))
2299 ;; We have already read .newsrc.eld, so we gently update the
2300 ;; data in the hash table with the information we have just
2303 (let ((info (gnus-get-info group))
2306 ;; There is an entry for this file in the alist.
2308 (gnus-info-set-read info (nreverse reads))
2309 ;; We update the level very gently. In fact, we
2310 ;; only change it if there's been a status change
2311 ;; from subscribed to unsubscribed, or vice versa.
2312 (setq level (gnus-info-level info))
2313 (cond ((and (<= level gnus-level-subscribed)
2315 (setq level (if reads
2316 gnus-level-default-unsubscribed
2317 (1+ gnus-level-default-unsubscribed))))
2318 ((and (> level gnus-level-subscribed) subscribed)
2319 (setq level gnus-level-default-subscribed)))
2320 (gnus-info-set-level info level))
2321 ;; This is a new group.
2322 (setq info (list group
2324 gnus-level-default-subscribed
2326 (1+ gnus-level-subscribed)
2327 gnus-level-default-unsubscribed))
2329 (push info newsrc)))))
2332 (setq newsrc (nreverse newsrc))
2334 (if (not already-read)
2336 ;; We now have two newsrc lists - `newsrc', which is what we
2337 ;; have read from .newsrc, and `gnus-newsrc-alist', which is
2338 ;; what we've read from .newsrc.eld. We have to merge these
2339 ;; lists. We do this by "attaching" any (foreign) groups in the
2340 ;; gnus-newsrc-alist to the (native) group that precedes them.
2341 (let ((rc (cdr gnus-newsrc-alist))
2342 (prev gnus-newsrc-alist)
2345 (or (null (nth 4 (car rc))) ; It's a native group.
2346 (assoc (caar rc) newsrc) ; It's already in the alist.
2347 (if (setq entry (assoc (caar prev) newsrc))
2348 (setcdr (setq mentry (memq entry newsrc))
2349 (cons (car rc) (cdr mentry)))
2350 (push (car rc) newsrc)))
2354 (setq gnus-newsrc-alist newsrc)
2355 ;; We make the newsrc hashtb.
2356 (gnus-make-hashtable-from-newsrc-alist)
2358 ;; Finally, if we read some options lines, we parse them.
2359 (unless (string= gnus-newsrc-options "")
2360 (gnus-newsrc-parse-options gnus-newsrc-options))))
2362 ;; Parse options lines to find "options -n !all rec.all" and stuff.
2363 ;; The return value will be a list on the form
2364 ;; ((regexp1 . ignore)
2365 ;; (regexp2 . subscribe)...)
2366 ;; When handling new newsgroups, groups that match a `ignore' regexp
2367 ;; will be ignored, and groups that match a `subscribe' regexp will be
2368 ;; subscribed. A line like
2369 ;; options -n !all rec.all
2370 ;; will lead to a list that looks like
2371 ;; (("^rec\\..+" . subscribe)
2372 ;; ("^.+" . ignore))
2373 ;; So all "rec.*" groups will be subscribed, while all the other
2374 ;; groups will be ignored. Note that "options -n !all rec.all" is very
2375 ;; different from "options -n rec.all !all".
2376 (defun gnus-newsrc-parse-options (options)
2379 (gnus-set-work-buffer)
2380 (insert (regexp-quote options))
2381 ;; First we treat all continuation lines.
2382 (goto-char (point-min))
2383 (while (re-search-forward "\n[ \t]+" nil t)
2384 (replace-match " " t t))
2385 ;; Then we transform all "all"s into ".+"s.
2386 (goto-char (point-min))
2387 (while (re-search-forward "\\ball\\b" nil t)
2388 (replace-match ".+" t t))
2389 (goto-char (point-min))
2390 ;; We remove all other options than the "-n" ones.
2391 (while (re-search-forward "[ \t]-[^n][^-]*" nil t)
2394 (goto-char (point-min))
2396 ;; We are only interested in "options -n" lines - we
2397 ;; ignore the other option lines.
2398 (while (re-search-forward "[ \t]-n" nil t)
2401 (and (re-search-forward "[ \t]-n" (gnus-point-at-eol) t)
2403 (gnus-point-at-eol)))
2404 ;; Search for all "words"...
2405 (while (re-search-forward "[^ \t,\n]+" eol t)
2406 (if (eq (char-after (match-beginning 0)) ?!)
2407 ;; If the word begins with a bang (!), this is a "not"
2408 ;; spec. We put this spec (minus the bang) and the
2409 ;; symbol `ignore' into the list.
2411 "^" (buffer-substring
2412 (1+ (match-beginning 0))
2417 ;; There was no bang, so this is a "yes" spec.
2418 (push (cons (concat "^" (match-string 0) "\\($\\|\\.\\)")
2422 (setq gnus-newsrc-options-n out))))
2424 (defun gnus-save-newsrc-file (&optional force)
2425 "Save .newsrc file."
2426 ;; Note: We cannot save .newsrc file if all newsgroups are removed
2427 ;; from the variable gnus-newsrc-alist.
2428 (when (and (or gnus-newsrc-alist gnus-killed-list)
2429 gnus-current-startup-file)
2431 (if (and (or gnus-use-dribble-file gnus-slave)
2433 (or (not gnus-dribble-buffer)
2434 (not (buffer-name gnus-dribble-buffer))
2435 (zerop (save-excursion
2436 (set-buffer gnus-dribble-buffer)
2438 (gnus-message 4 "(No changes need to be saved)")
2439 (gnus-run-hooks 'gnus-save-newsrc-hook)
2441 (gnus-slave-save-newsrc)
2443 (when gnus-save-newsrc-file
2444 (gnus-message 8 "Saving %s..." gnus-current-startup-file)
2445 (gnus-gnus-to-newsrc-format)
2446 (gnus-message 8 "Saving %s...done" gnus-current-startup-file))
2447 ;; Save .newsrc.eld.
2448 (set-buffer (gnus-get-buffer-create " *Gnus-newsrc*"))
2449 (make-local-variable 'version-control)
2450 (setq version-control 'never)
2451 (setq buffer-file-name
2452 (concat gnus-current-startup-file ".eld"))
2453 (setq default-directory (file-name-directory buffer-file-name))
2454 (buffer-disable-undo)
2456 (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
2457 (gnus-gnus-to-quick-newsrc-format)
2458 (gnus-run-hooks 'gnus-save-quick-newsrc-hook)
2459 (let ((coding-system-for-write gnus-ding-file-coding-system))
2461 (kill-buffer (current-buffer))
2463 5 "Saving %s.eld...done" gnus-current-startup-file))
2464 (gnus-dribble-delete-file)
2465 (gnus-group-set-mode-line)))))
2467 (defun gnus-gnus-to-quick-newsrc-format ()
2468 "Insert Gnus variables such as gnus-newsrc-alist in lisp format."
2469 (let ((print-quoted t)
2470 (print-escape-newlines t))
2472 (insert ";; -*- emacs-lisp -*-\n")
2473 (insert ";; Gnus startup file.\n")
2475 ;; Never delete this file -- if you want to force Gnus to read the
2476 ;; .newsrc file (if you have one), touch .newsrc instead.\n")
2477 (insert "(setq gnus-newsrc-file-version "
2478 (prin1-to-string gnus-version) ")\n")
2479 (let* ((gnus-killed-list
2480 (if (and gnus-save-killed-list
2481 (stringp gnus-save-killed-list))
2482 (gnus-strip-killed-list)
2485 (if gnus-save-killed-list gnus-variable-list
2486 ;; Remove the `gnus-killed-list' from the list of variables
2487 ;; to be saved, if required.
2488 (delq 'gnus-killed-list (copy-sequence gnus-variable-list))))
2489 ;; Peel off the "dummy" group.
2490 (gnus-newsrc-alist (cdr gnus-newsrc-alist))
2492 ;; Insert the variables into the file.
2494 (when (and (boundp (setq variable (pop variables)))
2495 (symbol-value variable))
2496 (insert "(setq " (symbol-name variable) " '")
2497 (gnus-prin1 (symbol-value variable))
2500 (defun gnus-strip-killed-list ()
2501 "Return the killed list minus the groups that match `gnus-save-killed-list'."
2502 (let ((list gnus-killed-list)
2505 (when (string-match gnus-save-killed-list (car list))
2506 (push (car list) olist))
2510 (defun gnus-gnus-to-newsrc-format ()
2511 ;; Generate and save the .newsrc file.
2513 (set-buffer (create-file-buffer gnus-current-startup-file))
2514 (let ((newsrc (cdr gnus-newsrc-alist))
2515 (standard-output (current-buffer))
2516 info ranges range method)
2517 (setq buffer-file-name gnus-current-startup-file)
2518 (setq default-directory (file-name-directory buffer-file-name))
2519 (buffer-disable-undo)
2522 (when gnus-newsrc-options
2523 (insert gnus-newsrc-options))
2524 ;; Write subscribed and unsubscribed.
2525 (while (setq info (pop newsrc))
2526 ;; Don't write foreign groups to .newsrc.
2527 (when (or (null (setq method (gnus-info-method info)))
2528 (equal method "native")
2529 (inline (gnus-server-equal method gnus-select-method)))
2530 (insert (gnus-info-group info)
2531 (if (> (gnus-info-level info) gnus-level-subscribed)
2533 (when (setq ranges (gnus-info-read info))
2535 (if (not (listp (cdr ranges)))
2536 (if (= (car ranges) (cdr ranges))
2537 (princ (car ranges))
2538 (princ (car ranges))
2540 (princ (cdr ranges)))
2541 (while (setq range (pop ranges))
2542 (if (or (atom range) (= (car range) (cdr range)))
2543 (princ (or (and (atom range) range) (car range)))
2546 (princ (cdr range)))
2550 (make-local-variable 'version-control)
2551 (setq version-control 'never)
2552 ;; It has been reported that sometime the modtime on the .newsrc
2553 ;; file seems to be off. We really do want to overwrite it, so
2554 ;; we clear the modtime here before saving. It's a bit odd,
2556 ;; sometimes the modtime clear isn't sufficient. most brute force:
2557 ;; delete the silly thing entirely first. but this fails to provide
2558 ;; such niceties as .newsrc~ creation.
2559 (if gnus-modtime-botch
2560 (delete-file gnus-startup-file)
2561 (clear-visited-file-modtime))
2562 (gnus-run-hooks 'gnus-save-standard-newsrc-hook)
2564 (kill-buffer (current-buffer)))))
2568 ;;; Slave functions.
2571 (defvar gnus-slave-mode nil)
2573 (defun gnus-slave-mode ()
2574 "Minor mode for slave Gnusae."
2575 (gnus-add-minor-mode 'gnus-slave-mode " Slave" (make-sparse-keymap))
2576 (gnus-run-hooks 'gnus-slave-mode-hook))
2578 (defun gnus-slave-save-newsrc ()
2580 (set-buffer gnus-dribble-buffer)
2582 (make-temp-name (concat gnus-current-startup-file "-slave-")))
2583 (modes (ignore-errors
2584 (file-modes (concat gnus-current-startup-file ".eld")))))
2585 (let ((coding-system-for-write gnus-ding-file-coding-system))
2586 (gnus-write-buffer slave-name))
2588 (set-file-modes slave-name modes)))))
2590 (defun gnus-master-read-slave-newsrc ()
2593 (file-name-directory gnus-current-startup-file)
2597 (file-name-nondirectory gnus-current-startup-file)
2601 (if (not slave-files)
2602 () ; There are no slave files to read.
2603 (gnus-message 7 "Reading slave newsrcs...")
2605 (set-buffer (gnus-get-buffer-create " *gnus slave*"))
2607 (sort (mapcar (lambda (file)
2608 (list (nth 5 (file-attributes file)) file))
2611 (or (< (caar f1) (caar f2))
2612 (< (nth 1 (car f1)) (nth 1 (car f2)))))))
2615 (setq file (nth 1 (car slave-files)))
2616 (nnheader-insert-file-contents file)
2617 (when (condition-case ()
2619 (eval-buffer (current-buffer))
2622 (gnus-error 3.2 "Possible error in %s" file)
2624 (unless gnus-slave ; Slaves shouldn't delete these files.
2626 (delete-file file))))
2627 (setq slave-files (cdr slave-files))))
2628 (gnus-dribble-touch)
2629 (gnus-message 7 "Reading slave newsrcs...done"))))
2633 ;;; Group description.
2636 (defun gnus-read-all-descriptions-files ()
2637 (let ((methods (cons gnus-select-method
2639 (when (gnus-archive-server-wanted-p)
2641 gnus-secondary-select-methods))))
2643 (gnus-read-descriptions-file (car methods))
2644 (setq methods (cdr methods)))
2647 (defun gnus-read-descriptions-file (&optional method)
2648 (let ((method (or method gnus-select-method))
2650 (when (stringp method)
2651 (setq method (gnus-server-to-method method)))
2652 ;; We create the hashtable whether we manage to read the desc file
2653 ;; to avoid trying to re-read after a failed read.
2654 (unless gnus-description-hashtb
2655 (setq gnus-description-hashtb
2656 (gnus-make-hashtable (length gnus-active-hashtb))))
2657 ;; Mark this method's desc file as read.
2658 (gnus-sethash (gnus-group-prefixed-name "" method) "Has read"
2659 gnus-description-hashtb)
2661 (gnus-message 5 "Reading descriptions file via %s..." (car method))
2663 ((null (gnus-get-function method 'request-list-newsgroups t))
2665 ((not (gnus-check-server method))
2666 (gnus-message 1 "Couldn't open server")
2668 ((not (gnus-request-list-newsgroups method))
2669 (gnus-message 1 "Couldn't read newsgroups descriptions")
2674 (set-buffer nntp-server-buffer)
2675 (goto-char (point-min))
2676 (when (or (search-forward "\n.\n" nil t)
2677 (goto-char (point-max)))
2679 (narrow-to-region (point-min) (point)))
2680 ;; If these are groups from a foreign select method, we insert the
2681 ;; group prefix in front of the group names.
2682 (and method (not (inline
2684 (gnus-server-get-method nil method)
2685 (gnus-server-get-method
2686 nil gnus-select-method))))
2687 (let ((prefix (gnus-group-prefixed-name "" method)))
2688 (goto-char (point-min))
2689 (while (and (not (eobp))
2690 (progn (insert prefix)
2691 (zerop (forward-line 1)))))))
2692 (goto-char (point-min))
2694 ;; If we get an error, we set group to 0, which is not a
2698 (let ((obarray gnus-description-hashtb))
2699 ;; Group is set to a symbol interned in this
2701 (read nntp-server-buffer))
2703 (skip-chars-forward " \t")
2704 ;; ... which leads to this line being effectively ignored.
2705 (when (symbolp group)
2706 (let* ((str (buffer-substring
2707 (point) (progn (end-of-line) (point))))
2708 (name (symbol-name group))
2710 (or (gnus-group-name-charset method name)
2711 (gnus-parameter-charset name))))
2712 (when (and str charset (featurep 'mule))
2713 (setq str (mm-decode-coding-string str charset)))
2716 (gnus-message 5 "Reading descriptions file...done")
2719 (defun gnus-group-get-description (group)
2720 "Get the description of a group by sending XGTITLE to the server."
2721 (when (gnus-request-group-description group)
2723 (set-buffer nntp-server-buffer)
2724 (goto-char (point-min))
2725 (when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
2726 (match-string 1)))))
2729 (defun gnus-declare-backend (name &rest abilities)
2730 "Declare backend NAME with ABILITIES as a Gnus backend."
2731 (setq gnus-valid-select-methods
2732 (nconc gnus-valid-select-methods
2733 (list (apply 'list name abilities))))
2734 (gnus-redefine-select-method-widget))
2736 (defun gnus-set-default-directory ()
2737 "Set the default directory in the current buffer to `gnus-default-directory'.
2738 If this variable is nil, don't do anything."
2739 (setq default-directory
2740 (if (and gnus-default-directory
2741 (file-exists-p gnus-default-directory))
2742 (file-name-as-directory (expand-file-name gnus-default-directory))
2743 default-directory)))
2745 (defun gnus-display-time-event-handler ()
2746 "Like `display-time-event-handler', but test `display-time-timer'."
2747 (when (gnus-boundp 'display-time-timer)
2748 (display-time-event-handler)))
2750 (provide 'gnus-start)
2752 ;;; gnus-start.el ends here