1 ;;; gnus-start.el --- startup functions for Gnus
3 ;; Copyright (C) 1996-2016 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 3 of the License, or
13 ;; (at your option) any later version.
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. If not, see <http://www.gnu.org/licenses/>.
34 (autoload 'message-make-date "message")
35 (autoload 'gnus-agent-read-servers-validate "gnus-agent")
36 (autoload 'gnus-agent-save-local "gnus-agent")
37 (autoload 'gnus-agent-possibly-alter-active "gnus-agent")
42 (defvar gnus-agent-covered-methods)
43 (defvar gnus-agent-file-loading-local)
44 (defvar gnus-agent-file-loading-cache)
46 (defcustom gnus-startup-file (nnheader-concat gnus-home-directory ".newsrc")
48 `.newsrc-SERVER' will be used instead if that exists."
52 (defcustom gnus-backup-startup-file 'never
53 "Control use of version numbers for backups of `gnus-startup-file'.
54 This variable takes the same values as the `version-control'
58 :type '(choice (const :tag "Never" never)
59 (const :tag "If existing" nil)
60 (other :tag "Always" t)))
62 (defcustom gnus-save-startup-file-via-temp-buffer t
63 "Whether to write the startup file contents to a buffer then save
64 the buffer or write directly to the file. The buffer is faster
65 because all of the contents are written at once. The direct write
66 uses considerably less memory."
69 :type '(choice (const :tag "Write via buffer" t)
70 (const :tag "Write directly to file" nil)))
72 (defcustom gnus-init-file (nnheader-concat gnus-home-directory ".gnus")
73 "Your Gnus Emacs-Lisp startup file name.
74 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
78 (defcustom gnus-site-init-file
80 (concat (file-name-directory
81 (directory-file-name installation-directory))
82 "site-lisp/gnus-init")
84 "The site-wide Gnus Emacs-Lisp startup file name, or nil if none.
85 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
87 :type '(choice file (const nil)))
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. Option `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.
172 Groups with levels less than `gnus-level-subscribed', which
173 should be less than this variable, are subscribed. Groups with
174 levels from `gnus-level-subscribed' (exclusive) upto this
175 variable (inclusive) are unsubscribed. See also
176 `gnus-level-zombie', `gnus-level-killed' and the Info node `(gnus)Group
177 Levels' for details.")
179 (defconst gnus-level-zombie 8
180 "Groups with this level are zombie groups.")
182 (defconst gnus-level-killed 9
183 "Groups with this level are killed.")
185 (defcustom gnus-level-default-subscribed 3
186 "*New subscribed groups will be subscribed at this level."
187 :group 'gnus-group-levels
190 (defcustom gnus-level-default-unsubscribed 6
191 "*New unsubscribed groups will be unsubscribed at this level."
192 :group 'gnus-group-levels
195 (defcustom gnus-activate-level (1+ gnus-level-subscribed)
196 "*Groups higher than this level won't be activated on startup.
197 Setting this variable to something low might save lots of time when
198 you have many groups that you aren't interested in."
199 :group 'gnus-group-levels
202 (defcustom gnus-activate-foreign-newsgroups 4
203 "*If nil, Gnus will not check foreign newsgroups at startup.
204 If it is non-nil, it should be a number between one and nine. Foreign
205 newsgroups that have a level lower or equal to this number will be
206 activated on startup. For instance, if you want to active all
207 subscribed newsgroups, but not the rest, you'd set this variable to
208 `gnus-level-subscribed'.
210 If you subscribe to lots of newsgroups from different servers, startup
211 might take a while. By setting this variable to nil, you'll save time,
212 but you won't be told how many unread articles there are in the
214 :group 'gnus-group-levels
215 :type '(choice integer
216 (const :tag "none" nil)))
218 (defcustom gnus-read-newsrc-file t
219 "*Non-nil means that Gnus will read the `.newsrc' file.
220 Gnus always reads its own startup file, which is called
221 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
222 be readily understood by other newsreaders. If you don't plan on
223 using other newsreaders, set this variable to nil to save some time on
229 (defcustom gnus-save-newsrc-file t
230 "*Non-nil means that Gnus will save the `.newsrc' file.
231 Gnus always saves its own startup file, which is called
232 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
233 be readily understood by other newsreaders. If you don't plan on
234 using other newsreaders, set this variable to nil to save some time on
239 (defcustom gnus-save-killed-list t
240 "*If non-nil, save the list of killed groups to the startup file.
241 If you set this variable to nil, you'll save both time (when starting
242 and quitting) and space (both memory and disk), but it will also mean
243 that Gnus has no record of which groups are new and which are old, so
244 the automatic new newsgroups subscription methods become meaningless.
246 You should always set `gnus-check-new-newsgroups' to `ask-server' or
247 nil if you set this variable to nil.
249 This variable can also be a regexp. In that case, all groups that do
250 not match this regexp will be removed before saving the list."
252 :type '(radio (sexp :format "Non-nil\n"
253 :match (lambda (widget value)
254 (and value (not (stringp value))))
259 (defcustom gnus-ignored-newsgroups
261 '("^to\\." ; not "real" groups
262 "^[0-9. \t]+\\( \\|$\\)" ; all digits in name
263 "^[\"][\"#'()]" ; bogus characters
266 "*A regexp to match uninteresting newsgroups in the active file.
267 Any lines in the active file matching this regular expression are
268 removed from the newsgroup list before anything else is done to it,
269 thus making them effectively non-existent."
270 :group 'gnus-group-new
273 (defcustom gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
274 "*Function(s) called with a group name when new group is detected.
275 A few pre-made functions are supplied: `gnus-subscribe-randomly'
276 inserts new groups at the beginning of the list of groups;
277 `gnus-subscribe-alphabetically' inserts new groups in strict
278 alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
279 in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
280 for your decision; `gnus-subscribe-killed' kills all new groups;
281 `gnus-subscribe-zombies' will make all new groups into zombies;
282 `gnus-subscribe-topics' will enter groups into the topics that
284 :group 'gnus-group-new
285 :type '(radio (function-item gnus-subscribe-randomly)
286 (function-item gnus-subscribe-alphabetically)
287 (function-item gnus-subscribe-hierarchically)
288 (function-item gnus-subscribe-interactively)
289 (function-item gnus-subscribe-killed)
290 (function-item gnus-subscribe-zombies)
291 (function-item gnus-subscribe-topics)
295 (define-obsolete-variable-alias 'gnus-subscribe-newsgroup-hooks
296 'gnus-subscribe-newsgroup-functions "24.3")
297 (defcustom gnus-subscribe-newsgroup-functions nil
298 "*Hooks run after you subscribe to a new group.
299 The hooks will be called with new group's name as argument."
301 :group 'gnus-group-new
304 (defcustom gnus-subscribe-options-newsgroup-method
305 'gnus-subscribe-alphabetically
306 "*Function(s) called to subscribe newsgroups mentioned on \"options -n\" lines.
307 If, for instance, you want to subscribe to all newsgroups in the
308 \"no\" and \"alt\" hierarchies, you'd put the following in your
311 options -n no.all alt.all
313 Gnus will then subscribe all new newsgroups in these hierarchies
314 with the subscription method in this variable."
315 :group 'gnus-group-new
316 :type '(radio (function-item gnus-subscribe-randomly)
317 (function-item gnus-subscribe-alphabetically)
318 (function-item gnus-subscribe-hierarchically)
319 (function-item gnus-subscribe-interactively)
320 (function-item gnus-subscribe-killed)
321 (function-item gnus-subscribe-zombies)
322 (function-item gnus-subscribe-topics)
326 (defcustom gnus-subscribe-hierarchical-interactive nil
327 "*If non-nil, Gnus will offer to subscribe hierarchically.
328 When a new hierarchy appears, Gnus will ask the user:
330 'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
332 If the user pressed `d', Gnus will descend the hierarchy, `y' will
333 subscribe to all newsgroups in the hierarchy and `s' will skip this
334 hierarchy in its entirety."
335 :group 'gnus-group-new
338 (defcustom gnus-auto-subscribed-categories '(mail post-mail)
339 "*New groups from methods of these categories will be subscribed automatically.
340 Note that this variable only deals with new groups. It has no
341 effect whatsoever on old groups. The default is to automatically
342 subscribe all groups from mail-like backends."
344 :group 'gnus-group-new
345 :type '(repeat symbol))
347 (defcustom gnus-auto-subscribed-groups
348 "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl\\|^nnmaildir\\|^nnimap"
349 "*All new groups that match this regexp will be subscribed automatically.
350 Note that this variable only deals with new groups. It has no effect
351 whatsoever on old groups.
353 New groups that match this regexp will not be handled by
354 `gnus-subscribe-newsgroup-method'. Instead, they will
355 be subscribed using `gnus-subscribe-options-newsgroup-method'."
356 :group 'gnus-group-new
359 (defcustom gnus-options-subscribe nil
360 "*All new groups matching this regexp will be subscribed unconditionally.
361 Note that this variable deals only with new newsgroups. This variable
362 does not affect old newsgroups.
364 New groups that match this regexp will not be handled by
365 `gnus-subscribe-newsgroup-method'. Instead, they will
366 be subscribed using `gnus-subscribe-options-newsgroup-method'."
367 :group 'gnus-group-new
368 :type '(choice regexp
369 (const :tag "none" nil)))
371 (defcustom gnus-options-not-subscribe nil
372 "*All new groups matching this regexp will be ignored.
373 Note that this variable deals only with new newsgroups. This variable
374 does not affect old (already subscribed) newsgroups."
375 :group 'gnus-group-new
376 :type '(choice regexp
377 (const :tag "none" nil)))
379 (defcustom gnus-modtime-botch nil
380 "*Non-nil means .newsrc should be deleted prior to save.
381 Its use is due to the bogus appearance that .newsrc was modified on
386 (defcustom gnus-check-bogus-groups-hook nil
387 "A hook run after removing bogus groups."
388 :group 'gnus-start-server
391 (defcustom gnus-startup-hook nil
392 "A hook called at startup.
393 This hook is called after Gnus is connected to the NNTP server."
397 (defcustom gnus-before-startup-hook nil
398 "A hook called before startup.
399 This hook is called as the first thing when Gnus is started.
400 See also `gnus-before-resume-hook'."
404 (defcustom gnus-before-resume-hook nil
405 "A hook called before resuming Gnus after suspend.
406 This hook is called as the first thing when Gnus is resumed after a suspend.
407 See also `gnus-before-startup-hook'."
412 (defcustom gnus-started-hook nil
413 "A hook called as the last thing after startup."
417 (defcustom gnus-setup-news-hook nil
418 "A hook after reading the .newsrc file, but before generating the buffer."
422 (defcustom gnus-get-top-new-news-hook nil
423 "A hook run just before Gnus checks for new news globally."
425 :group 'gnus-group-new
428 (defcustom gnus-get-new-news-hook nil
429 "A hook run just before Gnus checks for new news."
430 :group 'gnus-group-new
433 (defcustom gnus-after-getting-new-news-hook
434 '(gnus-display-time-event-handler)
435 "*A hook run after Gnus checks for new news when Gnus is already running."
437 :group 'gnus-group-new
440 (defcustom gnus-read-newsrc-el-hook nil
441 "A hook called after reading the newsrc.eld? file."
445 (defcustom gnus-save-newsrc-hook nil
446 "A hook called before saving any of the newsrc files."
450 (defcustom gnus-save-quick-newsrc-hook nil
451 "A hook called just before saving the quick newsrc file.
452 Can be used to turn version control on or off."
456 (defcustom gnus-save-standard-newsrc-hook nil
457 "A hook called just before saving the standard newsrc file.
458 Can be used to turn version control on or off."
462 (defcustom gnus-group-mode-hook nil
463 "Hook for Gnus group mode."
464 :group 'gnus-group-various
465 :options '(gnus-topic-mode)
468 (defcustom gnus-always-read-dribble-file nil
469 "Unconditionally read the dribble file."
473 ;;; Internal variables
475 ;; Fixme: deal with old emacs-mule when mm-universal-coding-system is
477 (defvar gnus-ding-file-coding-system mm-universal-coding-system
478 "Coding system for ding file.")
480 (defvar gnus-newsrc-file-version nil)
481 (defvar gnus-override-subscribe-method nil)
482 (defvar gnus-dribble-buffer nil)
483 (defvar gnus-newsrc-options nil
484 "Options line in the .newsrc file.")
486 (defvar gnus-newsrc-options-n nil
487 "List of regexps representing groups to be subscribed/ignored unconditionally.")
489 (defvar gnus-newsrc-last-checked-date nil
490 "Date Gnus last asked server for new newsgroups.")
492 (defvar gnus-current-startup-file nil
493 "Startup file for the current host.")
495 ;; Byte-compiler warning.
496 (defvar gnus-group-line-format)
498 ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
499 (defvar gnus-init-inhibit nil)
500 (defun gnus-read-init-file (&optional inhibit-next)
501 ;; Don't load .gnus if the -q option was used.
503 (if gnus-init-inhibit
504 (setq gnus-init-inhibit nil)
505 (setq gnus-init-inhibit inhibit-next)
506 (dolist (file (list gnus-site-init-file gnus-init-file))
508 (locate-library file))
509 (if (or debug-on-error debug-on-quit)
514 (error "Error in %s: %s" file (cadr var))))))))))
516 ;; For subscribing new newsgroup
518 (defun gnus-subscribe-hierarchical-interactive (groups)
519 (let ((groups (sort groups 'string<))
520 prefixes prefix start ans group starts real-group)
522 (setq prefixes (list "^"))
523 (while (and groups prefixes)
524 (while (not (string-match (car prefixes)
525 (gnus-group-real-name (car groups))))
526 (setq prefixes (cdr prefixes)))
527 (setq prefix (car prefixes))
528 (setq start (1- (length prefix)))
529 (if (and (string-match "[^\\.]\\." (gnus-group-real-name (car groups))
533 (concat "^" (substring
534 (gnus-group-real-name (car groups))
536 (string-match prefix (gnus-group-real-name (cadr groups))))
538 (push prefix prefixes)
539 (message "Descend hierarchy %s? ([y]nsq): "
540 (substring prefix 1 (1- (length prefix))))
541 (while (not (memq (setq ans (read-char-exclusive))
542 '(?y ?\n ?\r ?n ?s ?q)))
544 (message "Descend hierarchy %s? ([y]nsq): "
545 (substring prefix 1 (1- (length prefix)))))
548 (setq group (car groups)
549 real-group (gnus-group-real-name group))
550 (string-match prefix real-group))
551 (push group gnus-killed-list)
552 (gnus-sethash group group gnus-killed-hashtb)
553 (setq groups (cdr groups)))
554 (setq starts (cdr starts)))
557 (setq group (car groups)
558 real-group (gnus-group-real-name group))
559 (string-match prefix real-group))
560 (gnus-sethash group group gnus-killed-hashtb)
561 (gnus-subscribe-alphabetically (car groups))
562 (setq groups (cdr groups)))
563 (setq starts (cdr starts)))
566 (setq group (car groups))
567 (push group gnus-killed-list)
568 (gnus-sethash group group gnus-killed-hashtb)
569 (setq groups (cdr groups))))
571 (message "Subscribe %s? ([n]yq)" (car groups))
572 (while (not (memq (setq ans (read-char-exclusive))
573 '(?y ?\n ?\r ?q ?n)))
575 (message "Subscribe %s? ([n]yq)" (car groups)))
576 (setq group (car groups))
578 (gnus-subscribe-alphabetically (car groups))
579 (gnus-sethash group group gnus-killed-hashtb))
582 (setq group (car groups))
583 (push group gnus-killed-list)
584 (gnus-sethash group group gnus-killed-hashtb)
585 (setq groups (cdr groups))))
587 (push group gnus-killed-list)
588 (gnus-sethash group group gnus-killed-hashtb)))
589 (setq groups (cdr groups)))))))
591 (defun gnus-subscribe-randomly (newsgroup)
592 "Subscribe new NEWSGROUP by making it the first newsgroup."
593 (gnus-subscribe-newsgroup newsgroup))
595 (defun gnus-subscribe-alphabetically (newgroup)
596 "Subscribe new NEWGROUP and insert it in alphabetical order."
597 (let ((groups (cdr gnus-newsrc-alist))
599 (while (and (not before) groups)
600 (if (string< newgroup (caar groups))
601 (setq before (caar groups))
602 (setq groups (cdr groups))))
603 (gnus-subscribe-newsgroup newgroup before)))
605 (defun gnus-subscribe-hierarchically (newgroup)
606 "Subscribe new NEWGROUP and insert it in hierarchical newsgroup order."
607 ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
608 (with-current-buffer (nnheader-find-file-noselect gnus-current-startup-file)
610 (let ((groupkey newgroup) before)
611 (while (and (not before) groupkey)
612 (goto-char (point-min))
614 (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
615 (while (and (re-search-forward groupkey-re nil t)
617 (setq before (match-string 1))
618 (string< before newgroup)))))
619 ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
621 (when (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
622 (substring groupkey (match-beginning 1) (match-end 1)))))
623 (gnus-subscribe-newsgroup newgroup before))
624 (kill-buffer (current-buffer)))))
626 (defun gnus-subscribe-interactively (group)
627 "Subscribe the new GROUP interactively.
628 It is inserted in hierarchical newsgroup order if subscribed. If not,
630 (if (gnus-y-or-n-p (format "Subscribe new newsgroup %s? " group))
631 (gnus-subscribe-hierarchically group)
632 (push group gnus-killed-list)))
634 (defun gnus-subscribe-zombies (group)
635 "Make the new GROUP into a zombie group."
636 (push group gnus-zombie-list))
638 (defun gnus-subscribe-killed (group)
639 "Make the new GROUP a killed group."
640 (push group gnus-killed-list))
642 (defun gnus-subscribe-newsgroup (newsgroup &optional next)
643 "Subscribe new NEWSGROUP.
644 If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
645 the first newsgroup."
647 (goto-char (point-min))
648 ;; We subscribe the group by changing its level to `subscribed'.
649 (gnus-group-change-level
650 newsgroup gnus-level-default-subscribed
651 gnus-level-killed (gnus-group-entry (or next "dummy.group")))
652 (gnus-request-update-group-status newsgroup 'subscribe)
653 (gnus-message 5 "Subscribe newsgroup: %s" newsgroup)
654 (run-hook-with-args 'gnus-subscribe-newsgroup-functions newsgroup)
657 (defun gnus-read-active-file-p ()
658 "Say whether the active file has been read from `gnus-select-method'."
659 (memq gnus-select-method gnus-have-read-active-file))
661 ;;; General various misc type functions.
663 ;; Silence byte-compiler.
664 (defvar gnus-current-headers)
665 (defvar gnus-thread-indent-array)
666 (defvar gnus-newsgroup-name)
667 (defvar gnus-newsgroup-headers)
668 (defvar gnus-group-list-mode)
669 (defvar gnus-group-mark-positions)
670 (defvar gnus-newsgroup-data)
671 (defvar gnus-newsgroup-unreads)
672 (defvar nnoo-state-alist)
673 (defvar gnus-current-select-method)
674 (defvar mail-sources)
675 (defvar nnmail-scan-directory-mail-source-once)
676 (defvar nnmail-split-history)
677 (defvar nnmail-spool-file)
679 (defun gnus-close-all-servers ()
682 (dolist (server gnus-opened-servers)
683 (gnus-close-server (car server))))
685 (defun gnus-clear-system ()
686 "Clear all variables and buffers."
687 ;; Clear Gnus variables.
688 (let ((variables (remove 'gnus-format-specs gnus-variable-list)))
690 (set (car variables) nil)
691 (setq variables (cdr variables))))
692 ;; Clear other internal variables.
693 (setq gnus-list-of-killed-groups nil
694 gnus-have-read-active-file nil
695 gnus-agent-covered-methods nil
696 gnus-agent-file-loading-local nil
697 gnus-agent-file-loading-cache nil
698 gnus-server-method-cache nil
699 gnus-newsrc-alist nil
700 gnus-newsrc-hashtb nil
703 gnus-killed-hashtb nil
704 gnus-active-hashtb nil
705 gnus-moderated-hashtb nil
706 gnus-description-hashtb nil
707 gnus-current-headers nil
708 gnus-thread-indent-array nil
709 gnus-newsgroup-headers nil
710 gnus-newsgroup-name nil
711 gnus-server-alist nil
712 gnus-group-list-mode nil
713 gnus-opened-servers nil
714 gnus-group-mark-positions nil
715 gnus-newsgroup-data nil
716 gnus-newsgroup-unreads nil
718 gnus-current-select-method nil
719 nnmail-split-history nil
720 gnus-extended-servers nil
721 gnus-ephemeral-servers nil)
722 (gnus-shutdown 'gnus)
723 ;; Kill the startup file.
724 (and gnus-current-startup-file
725 (get-file-buffer gnus-current-startup-file)
726 (kill-buffer (get-file-buffer gnus-current-startup-file)))
727 ;; Clear the dribble buffer.
729 ;; Kill global KILL file buffer.
730 (when (get-file-buffer (gnus-newsgroup-kill-file nil))
731 (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil))))
732 (gnus-kill-buffer nntp-server-buffer)
733 ;; Kill Gnus buffers.
734 (dolist (buffer (gnus-buffers))
735 (gnus-kill-buffer buffer))
736 ;; Remove Gnus frames.
737 (gnus-kill-gnus-frames))
739 (defun gnus-no-server-1 (&optional arg slave)
741 If ARG is a positive number, Gnus will use that as the startup
742 level. If ARG is nil, Gnus will be started at level 2
743 \(`gnus-level-default-subscribed' minus one). If ARG is non-nil
744 and not a positive number, Gnus will prompt the user for the name
745 of an NNTP server to use. As opposed to \\[gnus], this command
746 will not connect to the local server."
748 (let ((val (or arg (1- gnus-level-default-subscribed))))
750 (make-local-variable 'gnus-group-use-permanent-levels)
751 (setq gnus-group-use-permanent-levels val)))
753 (defun gnus-1 (&optional arg dont-connect slave)
755 If ARG is non-nil and a positive number, Gnus will use that as the
756 startup level. If ARG is non-nil and not a positive number, Gnus will
757 prompt the user for the name of an NNTP server to use."
762 (gnus-run-hooks 'gnus-before-resume-hook)
763 (switch-to-buffer gnus-group-buffer)
764 (gnus-group-get-new-news
767 (max (car gnus-group-list-mode) arg))))
771 (gnus-run-hooks 'gnus-before-startup-hook)
772 (nnheader-init-server-buffer)
773 (setq gnus-slave slave)
774 (gnus-read-init-file)
776 ;; Add "native" to gnus-predefined-server-alist just to have a
777 ;; name for the native select method.
778 (when gnus-select-method
779 (add-to-list 'gnus-predefined-server-alist
780 (cons "native" gnus-select-method)))
785 (let ((level (and (numberp arg) (> arg 0) arg))
791 (gnus-start-news-server (and arg (not level))))))
792 (if (and (not dont-connect)
794 ;; Couldn't connect to the server, so bail out.
796 (gnus-run-hooks 'gnus-startup-hook)
797 ;; Find the current startup file name.
798 (setq gnus-current-startup-file
799 (gnus-make-newsrc-file gnus-startup-file))
801 ;; Read the dribble file.
802 (when (or gnus-slave gnus-use-dribble-file)
803 (gnus-dribble-read-file))
805 ;; Do the actual startup.
806 (gnus-setup-news nil level dont-connect)
807 (gnus-run-hooks 'gnus-setup-news-hook)
809 (gnus-request-create-group "queue" '(nndraft "")))
810 (gnus-start-draft-setup)
811 ;; Generate the group buffer.
812 (gnus-group-list-groups level)
813 (gnus-group-first-unread-group)
814 (gnus-configure-windows 'group)
815 (gnus-group-set-mode-line)
816 (gnus-run-hooks 'gnus-started-hook))))))
818 (defun gnus-start-draft-setup ()
819 "Make sure the draft group exists."
821 (gnus-request-create-group "drafts" '(nndraft ""))
822 (unless (gnus-group-entry "nndraft:drafts")
823 (let ((gnus-level-default-subscribed 1))
824 (gnus-subscribe-group "nndraft:drafts" nil '(nndraft "")))
825 (setcar (gnus-group-entry "nndraft:drafts") 0))
826 (unless (equal (gnus-group-get-parameter "nndraft:drafts" 'gnus-dummy t)
827 '((gnus-draft-mode)))
828 (gnus-group-set-parameter
829 "nndraft:drafts" 'gnus-dummy '((gnus-draft-mode)))))
836 (defvar gnus-dribble-ignore nil)
837 (defvar gnus-dribble-eval-file nil)
839 (defun gnus-dribble-file-name ()
840 "Return the dribble file for the current .newsrc."
842 (if gnus-dribble-directory
843 (concat (file-name-as-directory gnus-dribble-directory)
844 (file-name-nondirectory gnus-current-startup-file))
845 gnus-current-startup-file)
848 (defun gnus-dribble-enter (string &optional regexp)
849 "Enter STRING into the dribble buffer.
850 If REGEXP is given, lines that match it will be deleted."
851 (when (and (not gnus-dribble-ignore)
853 (buffer-name gnus-dribble-buffer))
854 (let ((obuf (current-buffer)))
855 (set-buffer gnus-dribble-buffer)
857 (goto-char (point-min))
859 (while (re-search-forward regexp nil t)
860 (unless (bolp) (forward-line 1))
862 (goto-char (match-beginning 0))
863 (delete-region (point-at-bol) end))))
864 (goto-char (point-max))
865 ;; Make sure that each dribble entry is a single line, so that
866 ;; the "remove" code above works.
867 (insert (replace-regexp-in-string "\n" "\\\\n" string) "\n")
868 (bury-buffer gnus-dribble-buffer)
869 (with-current-buffer gnus-group-buffer
870 (gnus-group-set-mode-line))
873 (defun gnus-dribble-touch ()
874 "Touch the dribble buffer."
875 (gnus-dribble-enter ""))
877 (defun gnus-dribble-read-file ()
878 "Read the dribble file from disk."
879 (let ((dribble-file (gnus-dribble-file-name)))
880 (unless (file-exists-p (file-name-directory dribble-file))
881 (make-directory (file-name-directory dribble-file) t))
882 (with-current-buffer (setq gnus-dribble-buffer
883 (gnus-get-buffer-create
884 (file-name-nondirectory dribble-file)))
885 (set (make-local-variable 'file-precious-flag) t)
886 (setq buffer-save-without-query t)
888 (setq buffer-file-name dribble-file)
889 ;; The buffer may be shrunk a lot when deleting old entries.
890 ;; It caused the auto-saving to stop.
891 (if (featurep 'emacs)
892 (set (make-local-variable 'auto-save-include-big-deletions) t)
893 (set (make-local-variable 'disable-auto-save-when-buffer-shrinks) nil))
895 (buffer-disable-undo)
896 (bury-buffer (current-buffer))
897 (set-buffer-modified-p nil)
898 (let ((auto (make-auto-save-file-name))
899 (gnus-dribble-ignore t)
902 (when (or (file-exists-p auto) (file-exists-p dribble-file))
903 ;; Load whichever file is newest -- the auto save file
904 ;; or the "real" file.
905 (if (file-newer-than-file-p auto dribble-file)
906 (nnheader-insert-file-contents auto)
907 (nnheader-insert-file-contents dribble-file))
908 (unless (zerop (buffer-size))
909 (set-buffer-modified-p t))
910 ;; Set the file modes to reflect the .newsrc file modes.
912 (when (and (file-exists-p gnus-current-startup-file)
913 (file-exists-p dribble-file)
914 (setq modes (file-modes gnus-current-startup-file)))
915 (gnus-set-file-modes dribble-file modes))
916 (goto-char (point-min))
917 (when (search-forward "Gnus was exited on purpose" nil t)
919 ;; Possibly eval the file later.
920 (when (or gnus-always-read-dribble-file
923 "Gnus exited on purpose without saving; read auto-save file anyway? "
924 "Gnus auto-save file exists. Do you want to read it? ")))
925 (setq gnus-dribble-eval-file t)))))))
927 (defun gnus-dribble-eval-file ()
928 (when gnus-dribble-eval-file
929 (setq gnus-dribble-eval-file nil)
931 (let ((gnus-dribble-ignore t))
932 (set-buffer gnus-dribble-buffer)
933 (eval-buffer (current-buffer))))))
935 (defun gnus-dribble-delete-file ()
936 (when (file-exists-p (gnus-dribble-file-name))
937 (delete-file (gnus-dribble-file-name)))
938 (when gnus-dribble-buffer
939 (with-current-buffer gnus-dribble-buffer
940 (let ((auto (make-auto-save-file-name)))
941 (when (file-exists-p auto)
944 (set-buffer-modified-p nil)))))
946 (defun gnus-dribble-save ()
947 (when (and gnus-dribble-buffer
948 (buffer-name gnus-dribble-buffer))
949 (with-current-buffer gnus-dribble-buffer
950 (when (> (buffer-size) 0)
953 (defun gnus-dribble-clear ()
954 (when (gnus-buffer-exists-p gnus-dribble-buffer)
955 (with-current-buffer gnus-dribble-buffer
957 (set-buffer-modified-p nil)
958 (setq buffer-saved-size (buffer-size)))))
962 ;;; Active & Newsrc File Handling
965 (defun gnus-setup-news (&optional rawfile level dont-connect)
966 "Setup news information.
967 If RAWFILE is non-nil, the .newsrc file will also be read.
968 If LEVEL is non-nil, the news will be set up at level LEVEL."
970 (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile))))
971 ;; Binding this variable will inhibit multiple fetchings
972 ;; of the same mail source.
973 (nnmail-fetched-sources (list t)))
976 ;; Clear some variables to re-initialize news information.
977 (setq gnus-newsrc-alist nil
978 gnus-active-hashtb nil)
979 ;; Read the newsrc file and create `gnus-newsrc-hashtb'.
980 (gnus-read-newsrc-file rawfile))
982 ;; Make sure the archive server is available to all and sundry.
983 (let ((method (or (and (stringp gnus-message-archive-method)
984 (gnus-server-to-method
985 gnus-message-archive-method))
986 gnus-message-archive-method)))
987 ;; Check whether the archive method is writable.
988 (unless (or (not method)
990 (memq 'respool (assoc (format "%s" (car method))
991 gnus-valid-select-methods)))
992 (setq method "archive")) ;; The default.
993 (when (stringp method)
994 (setq method `(nnfolder
997 ,(nnheader-concat message-directory method))
998 (nnfolder-active-file
999 ,(nnheader-concat message-directory
1000 (concat method "/active")))
1001 (nnfolder-get-new-mail nil)
1002 (nnfolder-inhibit-expiry t))))
1003 (if (assoc "archive" gnus-server-alist)
1004 (when gnus-update-message-archive-method
1006 (setcdr (assoc "archive" gnus-server-alist) method)
1007 (setq gnus-server-alist (delq (assoc "archive" gnus-server-alist)
1008 gnus-server-alist))))
1010 (push (cons "archive" method) gnus-server-alist))))
1012 ;; If we don't read the complete active file, we fill in the
1014 (when (or (null gnus-read-active-file)
1015 (eq gnus-read-active-file 'some))
1016 (gnus-update-active-hashtb-from-killed))
1017 (unless gnus-active-hashtb
1018 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1019 ;; Initialize the cache.
1020 (when gnus-use-cache
1023 ;; Possibly eval the dribble file.
1025 (or gnus-use-dribble-file gnus-slave)
1026 (gnus-dribble-eval-file))
1028 ;; Slave Gnusii should then clear the dribble buffer.
1029 (when (and init gnus-slave)
1030 (gnus-dribble-clear))
1032 (gnus-update-format-specifications)
1034 ;; See whether we need to read the description file.
1035 (when (and (boundp 'gnus-group-line-format)
1036 (stringp gnus-group-line-format)
1037 (let ((case-fold-search nil))
1038 (string-match "%[-,0-9]*D" gnus-group-line-format))
1039 (not gnus-description-hashtb)
1041 gnus-read-active-file)
1042 (gnus-read-all-descriptions-files))
1044 ;; Find new newsgroups and treat them.
1045 (when (and init gnus-check-new-newsgroups (not level)
1046 (gnus-check-server gnus-select-method)
1049 (gnus-find-new-newsgroups))
1051 ;; Check and remove bogus newsgroups.
1052 (when (and init gnus-check-bogus-newsgroups
1053 gnus-read-active-file (not level)
1054 (gnus-server-opened gnus-select-method))
1055 (gnus-check-bogus-newsgroups))
1057 ;; Read any slave files.
1058 (gnus-master-read-slave-newsrc)
1060 ;; Find the number of unread articles in each non-dead group.
1061 (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
1062 (gnus-get-unread-articles level dont-connect))))
1064 (defun gnus-call-subscribe-functions (method group)
1065 "Call METHOD to subscribe GROUP.
1066 If no function returns `non-nil', call `gnus-subscribe-zombies'."
1069 (funcall method group))
1072 (dolist (func method)
1073 (if (funcall func group)
1077 (gnus-subscribe-zombies group)))
1079 (defun gnus-find-new-newsgroups (&optional arg)
1080 "Search for new newsgroups and add them.
1081 Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method'.
1082 The `-n' option line from .newsrc is respected.
1084 With 1 C-u, use the `ask-server' method to query the server for new
1086 With 2 C-u's, use most complete method possible to query the server
1087 for new groups, and subscribe the new groups as zombies."
1089 (let* ((gnus-subscribe-newsgroup-method
1090 gnus-subscribe-newsgroup-method)
1092 ((or (and (= (or arg 1) 4)
1093 (not (listp gnus-check-new-newsgroups)))
1094 (null gnus-read-active-file)
1095 (eq gnus-read-active-file 'some))
1098 (setq gnus-subscribe-newsgroup-method
1099 'gnus-subscribe-zombies)
1101 (t gnus-check-new-newsgroups))))
1102 (if (or (consp check)
1103 (eq check 'ask-server))
1104 ;; Ask the server for new groups.
1105 (gnus-ask-server-for-new-groups)
1106 ;; Go through the active hashtb and look for new groups.
1108 group new-newsgroups)
1109 (gnus-message 5 "Looking for new newsgroups...")
1110 (unless gnus-have-read-active-file
1111 (gnus-read-active-file))
1112 (setq gnus-newsrc-last-checked-date (message-make-date))
1113 (unless gnus-killed-hashtb
1114 (gnus-make-hashtable-from-killed))
1115 ;; Go though every newsgroup in `gnus-active-hashtb' and compare
1116 ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
1119 (if (or (null (setq group (symbol-name sym)))
1121 (null (symbol-value sym))
1122 (gnus-gethash group gnus-killed-hashtb)
1123 (gnus-gethash group gnus-newsrc-hashtb))
1125 (let ((do-sub (gnus-matches-options-n group)))
1127 ((eq do-sub 'subscribe)
1128 (setq groups (1+ groups))
1129 (gnus-sethash group group gnus-killed-hashtb)
1130 (gnus-call-subscribe-functions
1131 gnus-subscribe-options-newsgroup-method group))
1132 ((eq do-sub 'ignore)
1135 (setq groups (1+ groups))
1136 (gnus-sethash group group gnus-killed-hashtb)
1137 (if gnus-subscribe-hierarchical-interactive
1138 (push group new-newsgroups)
1139 (gnus-call-subscribe-functions
1140 gnus-subscribe-newsgroup-method group)))))))
1142 (when new-newsgroups
1143 (gnus-subscribe-hierarchical-interactive new-newsgroups))
1145 (gnus-message 5 "%d new newsgroup%s arrived."
1146 groups (if (> groups 1) "s have" " has"))
1147 (gnus-message 5 "No new newsgroups."))
1150 (defun gnus-matches-options-n (group)
1151 ;; Returns `subscribe' if the group is to be unconditionally
1152 ;; subscribed, `ignore' if it is to be ignored, and nil if there is
1153 ;; no match for the group.
1155 ;; First we check the two user variables.
1157 ((and gnus-options-subscribe
1158 (string-match gnus-options-subscribe group))
1160 ((let ((do-subscribe nil))
1161 (dolist (category gnus-auto-subscribed-categories)
1162 (when (gnus-member-of-valid category group)
1163 (setq do-subscribe t)))
1166 ((and gnus-auto-subscribed-groups
1167 (string-match gnus-auto-subscribed-groups group))
1169 ((and gnus-options-not-subscribe
1170 (string-match gnus-options-not-subscribe group))
1172 ;; Then we go through the list that was retrieved from the .newsrc
1173 ;; file. This list has elements on the form
1174 ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
1175 ;; is in the reverse order of the options line) is returned.
1177 (let ((regs gnus-newsrc-options-n))
1179 (not (string-match (caar regs) group)))
1180 (setq regs (cdr regs)))
1181 (and regs (cdar regs))))))
1183 (defun gnus-ask-server-for-new-groups ()
1184 (let* ((new-date (message-make-date))
1185 (date (or gnus-newsrc-last-checked-date new-date))
1186 (methods (cons gnus-select-method
1188 (when (gnus-archive-server-wanted-p)
1191 (and (consp gnus-check-new-newsgroups)
1192 gnus-check-new-newsgroups)
1193 gnus-secondary-select-methods))))
1195 group new-newsgroups got-new method hashtb
1196 gnus-override-subscribe-method)
1197 (unless gnus-killed-hashtb
1198 (gnus-make-hashtable-from-killed))
1199 ;; Go through both primary and secondary select methods and
1200 ;; request new newsgroups.
1201 (while (setq method (gnus-server-get-method nil (pop methods)))
1202 (setq new-newsgroups nil
1203 gnus-override-subscribe-method method)
1204 (when (and (gnus-check-server method)
1205 (gnus-request-newgroups date method))
1208 hashtb (gnus-make-hashtable 100))
1209 (set-buffer nntp-server-buffer)
1210 ;; Enter all the new groups into a hashtable.
1211 (gnus-active-to-gnus-format method hashtb 'ignore))
1212 ;; Now all new groups from `method' are in `hashtb'.
1215 (if (or (null (setq group (symbol-name group-sym)))
1216 (not (boundp group-sym))
1217 (null (symbol-value group-sym))
1218 (gnus-gethash group gnus-newsrc-hashtb)
1219 (member group gnus-zombie-list)
1220 (member group gnus-killed-list))
1221 ;; The group is already known.
1223 ;; Make this group active.
1224 (when (symbol-value group-sym)
1225 (gnus-set-active group (symbol-value group-sym)))
1226 ;; Check whether we want it or not.
1227 (let ((do-sub (gnus-matches-options-n group)))
1229 ((eq do-sub 'subscribe)
1231 (gnus-sethash group group gnus-killed-hashtb)
1232 (gnus-call-subscribe-functions
1233 gnus-subscribe-options-newsgroup-method group))
1234 ((eq do-sub 'ignore)
1238 (gnus-sethash group group gnus-killed-hashtb)
1239 (if gnus-subscribe-hierarchical-interactive
1240 (push group new-newsgroups)
1241 (gnus-call-subscribe-functions
1242 gnus-subscribe-newsgroup-method group)))))))
1244 (when new-newsgroups
1245 (gnus-subscribe-hierarchical-interactive new-newsgroups)))
1247 (gnus-message 5 "%d new newsgroup%s arrived"
1248 groups (if (> groups 1) "s have" " has"))
1249 (gnus-message 5 "No new newsgroups"))
1251 (setq gnus-newsrc-last-checked-date new-date))
1254 (defun gnus-subscribe-group (group &optional previous method)
1255 "Subscribe GROUP and put it after PREVIOUS."
1256 (gnus-group-change-level
1258 (list t group gnus-level-default-subscribed nil nil method)
1260 gnus-level-default-subscribed gnus-level-killed previous t)
1263 ;; `gnus-group-change-level' is the fundamental function for changing
1264 ;; subscription levels of newsgroups. This might mean just changing
1265 ;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back
1266 ;; again, which subscribes/unsubscribes a group, which is equally
1267 ;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and
1268 ;; from 8-9 to 1-7 means that you remove the group from the list of
1269 ;; killed (or zombie) groups and add them to the (kinda) subscribed
1270 ;; groups. And last but not least, moving from 8 to 9 and 9 to 8,
1271 ;; which is trivial.
1272 ;; ENTRY can either be a string (newsgroup name) or a list (if
1273 ;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST),
1274 ;; otherwise it's a list in the format of the `gnus-newsrc-hashtb'
1276 ;; LEVEL is the new level of the group, OLDLEVEL is the old level and
1277 ;; PREVIOUS is the group (in hashtb entry format) to insert this group
1279 (defun gnus-group-change-level (entry level &optional oldlevel
1280 previous fromkilled)
1281 (let (group info active num)
1282 ;; Glean what info we can from the arguments
1284 (if fromkilled (setq group (nth 1 entry))
1285 (setq group (car (nth 2 entry))))
1287 (when (and (stringp entry)
1289 (< oldlevel gnus-level-zombie))
1290 (setq entry (gnus-group-entry entry)))
1291 (if (and (not oldlevel)
1293 (setq oldlevel (gnus-info-level (nth 2 entry)))
1294 (setq oldlevel (or oldlevel gnus-level-killed)))
1295 (when (stringp previous)
1296 (setq previous (gnus-group-entry previous)))
1298 (if (and (>= oldlevel gnus-level-zombie)
1299 (gnus-group-entry group))
1300 ;; We are trying to subscribe a group that is already
1304 (unless (gnus-ephemeral-group-p group)
1306 (format "(gnus-group-change-level %S %S %S %S %S)"
1307 group level oldlevel (car (nth 2 previous)) fromkilled)))
1309 ;; Then we remove the newgroup from any old structures, if needed.
1310 ;; If the group was killed, we remove it from the killed or zombie
1311 ;; list. If not, and it is in fact going to be killed, we remove
1312 ;; it from the newsrc hash table and assoc.
1314 ((>= oldlevel gnus-level-zombie)
1315 ;; oldlevel could be wrong.
1316 (setq gnus-zombie-list (delete group gnus-zombie-list))
1317 (setq gnus-killed-list (delete group gnus-killed-list)))
1319 (when (and (>= level gnus-level-zombie)
1321 (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb)
1323 (setcdr (gnus-group-entry (car (nth 3 entry)))
1325 (setcdr (cdr entry) (cdddr entry)))))
1327 ;; Finally we enter (if needed) the list where it is supposed to
1328 ;; go, and change the subscription level. If it is to be killed,
1329 ;; we enter it into the killed or zombie list.
1331 ((>= level gnus-level-zombie)
1332 ;; Remove from the hash table.
1333 (gnus-sethash group nil gnus-newsrc-hashtb)
1334 (if (= level gnus-level-zombie)
1335 (push group gnus-zombie-list)
1336 (if (= oldlevel gnus-level-killed)
1337 ;; Remove from active hashtb.
1338 (unintern group gnus-active-hashtb)
1339 ;; Don't add it into killed-list if it was killed.
1340 (push group gnus-killed-list))))
1342 ;; If the list is to be entered into the newsrc assoc, and
1343 ;; it was killed, we have to create an entry in the newsrc
1344 ;; hashtb format and fix the pointers in the newsrc assoc.
1345 (if (< oldlevel gnus-level-zombie)
1346 ;; It was alive, and it is going to stay alive, so we
1347 ;; just change the level and don't change any pointers or
1348 ;; hash table entries.
1349 (setcar (cdaddr entry) level)
1351 (setq info (cdr entry)
1353 (setq active (gnus-active group))
1355 (if active (- (1+ (cdr active)) (car active)) t))
1356 ;; Shorten the select method if possible, if we need to
1357 ;; store it at all (native groups).
1358 (let ((method (gnus-method-simplify
1359 (or gnus-override-subscribe-method
1360 (gnus-group-method group)))))
1362 (setq info (list group level nil nil method))
1363 (setq info (list group level nil)))))
1366 (let ((p gnus-newsrc-alist))
1370 (setq entry (cons info (cddr previous)))
1373 (setcdr (cdr previous) entry)
1374 (gnus-sethash group (cons num (cdr previous))
1375 gnus-newsrc-hashtb))
1376 (setcdr previous entry)
1377 (gnus-sethash group (cons num previous)
1378 gnus-newsrc-hashtb))
1380 (setcdr (gnus-group-entry (caadr entry)) entry))
1382 (format "(gnus-group-set-info '%S)" info)
1383 (concat "^(gnus-group-set-info '(\"" (regexp-quote group) "\"")))))
1384 (when gnus-group-change-level-function
1385 (funcall gnus-group-change-level-function
1386 group level oldlevel previous)))))
1388 (defun gnus-check-bogus-newsgroups (&optional confirm)
1389 "Remove bogus newsgroups.
1390 If CONFIRM is non-nil, the user has to confirm the deletion of every
1392 (let ((newsrc (cdr gnus-newsrc-alist))
1393 bogus group entry info)
1394 (gnus-message 5 "Checking bogus newsgroups...")
1395 (unless (gnus-read-active-file-p)
1396 (gnus-read-active-file t))
1397 (when (gnus-read-active-file-p)
1398 ;; Find all bogus newsgroup that are subscribed.
1400 (setq info (pop newsrc)
1401 group (gnus-info-group info))
1402 (unless (or (gnus-active group) ; Active
1403 (and (gnus-info-method info)
1404 (not (gnus-secondary-method-p
1405 (gnus-info-method info))))) ; Foreign
1406 ;; Found a bogus newsgroup.
1407 (push group bogus)))
1410 (format "Remove bogus group %%s (of %d groups)? " (length bogus))
1412 ;; Remove all bogus subscribed groups by first killing them, and
1413 ;; then removing them from the list of killed groups.
1414 (when (setq entry (gnus-group-entry group))
1415 (gnus-group-change-level entry gnus-level-killed)
1416 (setq gnus-killed-list (delete group gnus-killed-list))))
1417 bogus '("group" "groups" "remove"))
1418 (while (setq group (pop bogus))
1419 ;; Remove all bogus subscribed groups by first killing them, and
1420 ;; then removing them from the list of killed groups.
1421 (when (setq entry (gnus-group-entry group))
1422 (gnus-group-change-level entry gnus-level-killed)
1423 (setq gnus-killed-list (delete group gnus-killed-list)))))
1424 ;; Then we remove all bogus groups from the list of killed and
1425 ;; zombie groups. They are removed without confirmation.
1426 (let ((dead-lists '(gnus-killed-list gnus-zombie-list))
1429 (setq killed (symbol-value (car dead-lists)))
1431 (unless (gnus-active (setq group (pop killed)))
1432 ;; The group is bogus.
1434 (set (car dead-lists)
1435 (delete group (symbol-value (car dead-lists))))))
1436 (setq dead-lists (cdr dead-lists))))
1437 (gnus-run-hooks 'gnus-check-bogus-groups-hook)
1438 (gnus-message 5 "Checking bogus newsgroups...done"))))
1440 (defun gnus-check-duplicate-killed-groups ()
1441 "Remove duplicates from the list of killed groups."
1443 (let ((killed gnus-killed-list))
1445 (gnus-message 9 "%d" (length killed))
1446 (setcdr killed (delete (car killed) (cdr killed)))
1447 (setq killed (cdr killed)))))
1449 ;; We want to inline a function from gnus-cache, so we cheat here:
1450 (defvar gnus-cache-active-hashtb)
1452 (defun gnus-cache-possibly-alter-active (group active)
1453 "Alter the ACTIVE info for GROUP to reflect the articles in the cache."
1454 (when gnus-cache-active-hashtb
1455 (let ((cache-active (gnus-gethash group gnus-cache-active-hashtb)))
1457 (when (< (car cache-active) (car active))
1458 (setcar active (car cache-active)))
1459 (when (> (cdr cache-active) (cdr active))
1460 (setcdr active (cdr cache-active))))))))
1462 (defun gnus-activate-group (group &optional scan dont-check method
1464 "Check whether a group has been activated or not.
1465 If SCAN, request a scan of that group as well. If METHOD, use
1466 that select method instead of determining the method based on the
1467 group name. If DONT-CHECK, don't check whether the group
1468 actually exists. If DONT-SUB-CHECK or DONT-CHECK, don't let the
1469 backend check whether the group actually exists."
1470 (let ((method (or method (inline (gnus-find-method-for-group group))))
1472 (and (inline (gnus-check-server method))
1473 ;; We escape all bugs and quit here to make it possible to
1474 ;; continue if a group is so out-there that it reports bugs
1478 (gnus-check-backend-function 'request-scan (car method))
1479 (gnus-request-scan group method))
1481 (if (or debug-on-error debug-on-quit)
1482 (inline (gnus-request-group group (or dont-sub-check dont-check)
1484 (gnus-get-info group)))
1486 (inline (gnus-request-group group (or dont-sub-check dont-check)
1488 (gnus-get-info group)))
1492 (message "Quit activating %s" group))
1495 (setq active (gnus-parse-active))
1496 ;; If there are no articles in the group, the GROUP
1497 ;; command may have responded with the `(0 . 0)'. We
1498 ;; ignore this if we already have an active entry
1500 (if (and (zerop (or (car active) 0))
1501 (zerop (or (cdr active) 0))
1502 (gnus-active group))
1505 ;; If a cache is present, we may have to alter the active info.
1506 (when gnus-use-cache
1507 (inline (gnus-cache-possibly-alter-active
1510 ;; If the agent is enabled, we may have to alter the active info.
1512 (gnus-agent-possibly-alter-active group active))
1514 (gnus-set-active group active)
1515 ;; Return the new active info.
1518 (defun gnus-get-unread-articles-in-group (info active &optional update)
1519 (when (and info active)
1520 ;; Allow the backend to update the info in the group.
1522 (gnus-request-update-info
1523 info (inline (gnus-find-method-for-group
1524 (gnus-info-group info)))))
1525 (gnus-activate-group (gnus-info-group info) nil t))
1527 (let* ((range (gnus-info-read info))
1530 ;; These checks are present in gnus-activate-group but skipped
1531 ;; due to setting dont-check in the preceding call.
1533 ;; If a cache is present, we may have to alter the active info.
1534 (when (and gnus-use-cache info)
1535 (inline (gnus-cache-possibly-alter-active
1536 (gnus-info-group info) active)))
1538 ;; If the agent is enabled, we may have to alter the active info.
1539 (when (and gnus-agent info)
1540 (gnus-agent-possibly-alter-active (gnus-info-group info) active info))
1542 ;; Modify the list of read articles according to what articles
1543 ;; are available; then tally the unread articles and add the
1544 ;; number to the group hash table entry.
1546 ((zerop (cdr active))
1549 (setq num (- (1+ (cdr active)) (car active))))
1550 ((not (listp (cdr range)))
1551 ;; Fix a single (num . num) range according to the
1552 ;; active hash table.
1553 ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>.
1554 (and (< (cdr range) (car active)) (setcdr range (1- (car active))))
1555 (and (> (cdr range) (cdr active)) (setcdr range (cdr active)))
1556 ;; Compute number of unread articles.
1557 (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range))))))
1559 ;; The read list is a list of ranges. Fix them according to
1560 ;; the active hash table.
1561 ;; First peel off any elements that are below the lower
1563 (while (and (cdr range)
1565 (or (and (atom (cadr range)) (cadr range))
1567 (if (numberp (car range))
1570 (or (and (numberp (cadr range))
1574 (or (and (numberp (nth 1 range)) (nth 1 range))
1576 (setcdr range (cddr range)))
1577 ;; Adjust the first element to be the same as the lower limit.
1578 (when (and (not (atom (car range)))
1579 (< (cdar range) (car active)))
1580 (setcdr (car range) (1- (car active))))
1581 ;; Then we want to peel off any elements that are higher
1582 ;; than the upper active limit.
1583 (let ((srange range))
1584 ;; Go past all valid elements.
1585 (while (and (cdr srange)
1586 (<= (or (and (atom (cadr srange))
1590 (setq srange (cdr srange)))
1592 ;; Nuke all remaining invalid elements.
1593 (setcdr srange nil))
1595 ;; Adjust the final element.
1596 (when (and (not (atom (car srange)))
1597 (> (cdar srange) (cdr active)))
1598 (setcdr (car srange) (cdr active))))
1599 ;; Compute the number of unread articles.
1601 (setq num (+ num (- (1+ (or (and (atom (car range)) (car range))
1603 (or (and (atom (car range)) (car range))
1605 (setq range (cdr range)))
1606 (setq num (max 0 (- (cdr active) num)))))
1607 ;; Set the number of unread articles.
1609 (gnus-group-entry (gnus-info-group info)))
1610 (setcar (gnus-group-entry (gnus-info-group info)) num))
1613 ;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb'
1614 ;; and compute how many unread articles there are in each group.
1615 (defun gnus-get-unread-articles (&optional level dont-connect one-level)
1616 (setq gnus-server-method-cache nil)
1617 (require 'gnus-agent)
1618 (let* ((newsrc (cdr gnus-newsrc-alist))
1619 (alevel (or level gnus-activate-level (1+ gnus-level-subscribed)))
1624 (cond ((and gnus-activate-foreign-newsgroups
1625 (not (numberp gnus-activate-foreign-newsgroups)))
1626 (1+ gnus-level-subscribed))
1627 ((numberp gnus-activate-foreign-newsgroups)
1628 gnus-activate-foreign-newsgroups)
1633 (gnus-agent-article-local-times 0)
1634 (archive-method (gnus-server-to-method "archive"))
1635 infos info group active method cmethod
1636 method-type method-group-list entry)
1637 (gnus-message 6 "Checking new news...")
1640 (setq active (gnus-active (setq group (gnus-info-group
1641 (setq info (pop newsrc))))))
1642 ;; First go through all the groups, see what select methods they
1643 ;; belong to, and then collect them into lists per unique select
1645 (if (not (setq method (gnus-info-method info)))
1646 (setq method gnus-select-method)
1647 ;; There may be several similar methods. Possibly extend the
1649 (if (setq cmethod (assoc method methods-cache))
1650 (setq method (cdr cmethod))
1651 (setq cmethod (if (stringp method)
1652 (gnus-server-to-method method)
1653 (inline (gnus-find-method-for-group
1654 (gnus-info-group info) info))))
1655 (push (cons method cmethod) methods-cache)
1656 (setq method cmethod)))
1657 (setq method-group-list (assoc method type-cache))
1658 (unless method-group-list
1661 ((or (gnus-secondary-method-p method)
1662 (and (gnus-archive-server-wanted-p)
1663 (gnus-methods-equal-p archive-method method)))
1665 ((inline (gnus-server-equal gnus-select-method method))
1669 (push (setq method-group-list (list method method-type nil nil))
1671 ;; Only add groups that need updating.
1672 (if (or (and foreign-level (null (numberp foreign-level)))
1673 (funcall (if one-level #'= #'<=) (gnus-info-level info)
1674 (if (eq (cadr method-group-list) 'foreign)
1677 (setcar (nthcdr 2 method-group-list)
1678 (cons info (nth 2 method-group-list)))
1679 ;; The group is inactive, so we nix out the number of unread articles.
1680 ;; It leads `(gnus-group-unread group)' to return t. See also
1681 ;; `gnus-group-prepare-flat'.
1683 (when (setq entry (gnus-group-entry group))
1684 (setcar entry t)))))
1686 ;; Sort the methods based so that the primary and secondary
1687 ;; methods come first. This is done for legacy reasons to try to
1688 ;; ensure that side-effect behavior doesn't change from previous
1691 (sort (nreverse type-cache)
1693 (< (gnus-method-rank (cadr c1) (car c1))
1694 (gnus-method-rank (cadr c2) (car c2))))))
1695 ;; Go through the list of servers and possibly extend methods that
1696 ;; aren't equal (and that need extension; i.e., they are async).
1697 (let ((methods nil))
1698 (dolist (elem type-cache)
1699 (destructuring-bind (method method-type infos dummy) elem
1700 (let ((gnus-opened-servers methods))
1701 (when (and (gnus-similar-server-opened method)
1702 (gnus-check-backend-function
1703 'retrieve-group-data-early (car method)))
1704 (setq method (gnus-server-extend-method
1705 (gnus-info-group (car infos))
1707 (setcar elem method))
1708 (push (list method 'ok) methods)))))
1710 ;; If we have primary/secondary select methods, but no groups from
1711 ;; them, we still want to issue a retrieval request from them.
1712 (unless dont-connect
1713 (dolist (method (cons gnus-select-method
1714 gnus-secondary-select-methods))
1715 (when (and (not (assoc method type-cache))
1716 (gnus-check-backend-function 'request-list (car method)))
1717 (with-current-buffer nntp-server-buffer
1718 (gnus-read-active-file-1 method nil)))))
1720 ;; Clear out all the early methods.
1721 (dolist (elem type-cache)
1722 (destructuring-bind (method method-type infos dummy) elem
1725 (gnus-check-backend-function
1726 'retrieve-group-data-early (car method))
1727 (not (gnus-method-denied-p method)))
1728 (when (ignore-errors (gnus-get-function method 'open-server))
1729 (unless (gnus-server-opened method)
1730 (gnus-open-server method))
1731 (when (gnus-server-opened method)
1732 ;; Just mark this server as "cleared".
1733 (gnus-retrieve-group-data-early method nil))))))
1735 ;; Start early async retrieval of data.
1736 (let ((done-methods nil)
1738 (dolist (elem type-cache)
1739 (destructuring-bind (method method-type infos dummy) elem
1740 (setq sanity-spec (list (car method) (cadr method)))
1741 (when (and method infos
1742 (not (gnus-method-denied-p method)))
1743 ;; If the open-server method doesn't exist, then the method
1744 ;; itself doesn't exist, so we ignore it.
1745 (if (not (ignore-errors (gnus-get-function method 'open-server)))
1746 (setq type-cache (delq elem type-cache))
1747 (unless (gnus-server-opened method)
1748 (gnus-open-server method))
1750 ;; This is a sanity check, so that we never
1751 ;; attempt to start two async requests to the
1752 ;; same server, because that will fail. This
1753 ;; should never happen, since the methods should
1754 ;; be unique at this point, but apparently it
1755 ;; does happen in the wild with some setups.
1756 (not (member sanity-spec done-methods))
1757 (gnus-server-opened method)
1758 (gnus-check-backend-function
1759 'retrieve-group-data-early (car method)))
1760 (push sanity-spec done-methods)
1761 (when (gnus-check-backend-function 'request-scan (car method))
1762 (gnus-request-scan nil method))
1763 ;; Store the token we get back from -early so that we
1764 ;; can pass it to -finish later.
1765 (setcar (nthcdr 3 elem)
1766 (gnus-retrieve-group-data-early method infos))))))))
1768 ;; Do the rest of the retrieval.
1769 (dolist (elem type-cache)
1770 (destructuring-bind (method method-type infos early-data) elem
1771 (when (and method infos
1772 (not (gnus-method-denied-p method)))
1773 (let ((updatep (gnus-check-backend-function
1774 'request-update-info (car method))))
1775 ;; See if any of the groups from this method require updating.
1776 (gnus-read-active-for-groups method infos early-data)
1777 (dolist (info infos)
1778 (inline (gnus-get-unread-articles-in-group
1779 info (gnus-active (gnus-info-group info))
1781 (gnus-message 6 "Checking new news...done")))
1783 (defun gnus-method-rank (type method)
1785 ;; Get info for virtual groups last.
1786 ((eq (car method) 'nnvirtual)
1790 ;; Compute the rank of the secondary methods based on where they
1791 ;; are in the secondary select list.
1792 ((eq type 'secondary)
1795 (dolist (smethod gnus-secondary-select-methods)
1796 (when (equal method smethod)
1800 ;; Just say that all foreign groups have the same rank.
1804 (defun gnus-read-active-for-groups (method infos early-data)
1805 (with-current-buffer nntp-server-buffer
1807 ;; Finish up getting the data from the methods that have -early
1811 (gnus-check-backend-function 'finish-retrieve-group-infos (car method))
1812 (or (not (gnus-agent-method-p method))
1813 (gnus-online method)))
1814 (gnus-finish-retrieve-group-infos method infos early-data)
1815 ;; We may have altered the data now, so mark the dribble buffer
1816 ;; as dirty so that it gets saved.
1817 (gnus-dribble-touch)
1818 (gnus-agent-save-active method))
1819 ;; Most backends have -retrieve-groups.
1820 ((gnus-check-backend-function 'retrieve-groups (car method))
1821 (when (gnus-check-backend-function 'request-scan (car method))
1822 (gnus-request-scan nil method))
1824 (gnus-read-active-file-2
1825 (dolist (info infos (nreverse groups))
1826 (push (gnus-group-real-name (gnus-info-group info)) groups))
1828 ;; Virtually all backends have -request-list.
1829 ((gnus-check-backend-function 'request-list (car method))
1830 (gnus-read-active-file-1 method nil))
1831 ;; Except nnvirtual and friends, where we request each group, one
1834 (dolist (info infos)
1835 (gnus-activate-group (gnus-info-group info) nil nil method t))))))
1837 ;; Create a hash table out of the newsrc alist. The `car's of the
1838 ;; alist elements are used as keys.
1839 (defun gnus-make-hashtable-from-newsrc-alist ()
1840 (let ((alist gnus-newsrc-alist)
1841 (ohashtb gnus-newsrc-hashtb)
1842 prev info method rest methods)
1843 (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
1845 (setq prev (setq gnus-newsrc-alist
1846 (if (equal (caar gnus-newsrc-alist)
1849 (cons (list "dummy.group" 0 nil) alist)))))
1851 (setq info (car alist))
1852 ;; Make the same select-methods identical Lisp objects.
1853 (when (setq method (gnus-info-method info))
1854 (if (setq rest (member method methods))
1855 (gnus-info-set-method info (car rest))
1856 (push method methods)))
1857 ;; Check for duplicates.
1858 (if (gnus-gethash (car info) gnus-newsrc-hashtb)
1859 ;; Remove this entry from the alist.
1860 (setcdr prev (cddr prev))
1863 ;; Preserve number of unread articles in groups.
1864 (cons (and ohashtb (car (gnus-gethash (car info) ohashtb)))
1868 (setq alist (cdr alist)))
1869 ;; Make the same select-methods in `gnus-server-alist' identical
1872 (setq method (pop methods))
1873 (when (setq rest (rassoc method gnus-server-alist))
1874 (setcdr rest method)))))
1876 (defun gnus-make-hashtable-from-killed ()
1877 "Create a hash table from the killed and zombie lists."
1878 (let ((lists '(gnus-killed-list gnus-zombie-list))
1880 (setq gnus-killed-hashtb
1881 (gnus-make-hashtable
1882 (+ (length gnus-killed-list) (length gnus-zombie-list))))
1884 (setq list (symbol-value (pop lists)))
1886 (gnus-sethash (car list) (pop list) gnus-killed-hashtb)))))
1888 (defun gnus-parse-active ()
1889 "Parse active info in the nntp server buffer."
1890 (with-current-buffer nntp-server-buffer
1891 (goto-char (point-min))
1892 ;; Parse the result we got from `gnus-request-group'.
1893 (when (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
1894 (goto-char (match-beginning 1))
1895 (cons (read (current-buffer))
1896 (read (current-buffer))))))
1898 (defun gnus-make-articles-unread (group articles)
1899 "Mark ARTICLES in GROUP as unread."
1900 (let* ((info (nth 2 (or (gnus-group-entry group)
1902 (gnus-group-real-name group)))))
1903 (ranges (gnus-info-read info))
1906 (when (gnus-member-of-range
1907 (setq article (pop articles)) ranges)
1908 (push article news)))
1910 ;; Enter this list into the group info.
1912 info (gnus-remove-from-range (gnus-info-read info) (nreverse news)))
1914 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1915 (gnus-get-unread-articles-in-group info (gnus-active group))
1917 ;; Insert the change into the group buffer and the dribble file.
1918 (gnus-group-update-group group t))))
1920 (defun gnus-make-ascending-articles-unread (group articles)
1921 "Mark ascending ARTICLES in GROUP as unread."
1922 (let* ((entry (or (gnus-group-entry group)
1923 (gnus-group-entry (gnus-group-real-name group))))
1924 (info (nth 2 entry))
1925 (ranges (gnus-info-read info))
1930 (let ((article (pop articles))) ; get the next article to remove from ranges
1931 (while (let ((range (car ranges))) ; note the current range
1932 (if (atom range) ; single value range
1934 ;; the articles extend past the end of the ranges
1936 (setq articles nil))
1938 ;; this range precedes the article. Leave the range unmodified.
1942 ;; this range exactly matches the article; REMOVE THE RANGE.
1943 ;; NOTE: When the range being removed is the last range, the list is corrupted by inserting null at its end.
1944 (setcar ranges (cadr ranges))
1945 (setcdr ranges (cddr ranges))
1946 (setq modified (if (car ranges) t 'remove-null))
1948 (let ((min (car range))
1950 ;; I have a min/max range to consider
1951 (cond ((> min max) ; invalid range introduced by splitter
1952 (setcar ranges (cadr ranges))
1953 (setcdr ranges (cddr ranges))
1954 (setq modified (if (car ranges) t 'remove-null))
1957 ;; replace min/max range with a single-value range
1961 ;; this range precedes the article. Leave the range unmodified.
1965 ;; this article precedes the range. Return null to move to the
1969 ;; this article splits the range into two parts
1970 (setcdr ranges (cons (cons (1+ article) max) (cdr ranges)))
1971 (setcdr range (1- article))
1976 (when (eq modified 'remove-null)
1977 (setq r (delq nil r)))
1978 ;; Enter this list into the group info.
1979 (gnus-info-set-read info r)
1981 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1982 (gnus-get-unread-articles-in-group info (gnus-active group))
1984 ;; Insert the change into the group buffer and the dribble file.
1985 (gnus-group-update-group group t))))
1987 ;; Enter all dead groups into the hashtb.
1988 (defun gnus-update-active-hashtb-from-killed ()
1989 (let ((hashtb (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1990 (lists (list gnus-killed-list gnus-zombie-list))
1993 (setq killed (car lists))
1995 (gnus-sethash (string-as-unibyte (car killed)) nil hashtb)
1996 (setq killed (cdr killed)))
1997 (setq lists (cdr lists)))))
1999 (defun gnus-get-killed-groups ()
2000 "Go through the active hashtb and mark all unknown groups as killed."
2001 ;; First make sure active file has been read.
2002 (unless (gnus-read-active-file-p)
2003 (let ((gnus-read-active-file t))
2004 (gnus-read-active-file)))
2005 (unless gnus-killed-hashtb
2006 (gnus-make-hashtable-from-killed))
2007 ;; Go through all newsgroups that are known to Gnus - enlarge kill list.
2011 (group (symbol-name sym)))
2012 (if (or (null group)
2013 (gnus-gethash group gnus-killed-hashtb)
2014 (gnus-gethash group gnus-newsrc-hashtb))
2016 (let ((do-sub (gnus-matches-options-n group)))
2017 (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore))
2019 (setq groups (1+ groups))
2020 (push group gnus-killed-list)
2021 (gnus-sethash group group gnus-killed-hashtb))))))
2023 (gnus-dribble-touch))
2025 ;; Get the active file(s) from the backend(s).
2026 (defun gnus-read-active-file (&optional force not-native)
2027 (gnus-group-set-mode-line)
2030 (lambda (m) (if (stringp m) (gnus-server-get-method nil m) m))
2032 (if (and (not not-native)
2033 (gnus-check-server gnus-select-method))
2034 ;; The native server is available.
2035 (cons gnus-select-method gnus-secondary-select-methods)
2036 ;; The native server is down, so we just do the
2038 gnus-secondary-select-methods)
2039 ;; Also read from the archive server.
2040 (when (gnus-archive-server-wanted-p)
2041 (list "archive")))))
2043 (setq gnus-have-read-active-file nil)
2044 (with-current-buffer nntp-server-buffer
2045 (while (setq method (pop methods))
2046 ;; Only do each method once, in case the methods appear more
2047 ;; than once in this list.
2048 (when (and (not (member method methods))
2049 ;; Check whether the backend exists.
2050 (ignore-errors (gnus-get-function method 'open-server)))
2051 (if (or debug-on-error debug-on-quit)
2052 (gnus-read-active-file-1 method force)
2054 (gnus-read-active-file-1 method force)
2055 ;; We catch C-g so that we can continue past servers
2056 ;; that do not respond.
2060 (message "Quit reading the active file"))
2063 (defun gnus-read-active-file-1 (method force)
2065 (setq where (nth 1 method)
2066 mesg (format "Reading active file%s via %s..."
2067 (if (and where (not (zerop (length where))))
2068 (concat " from " where) "")
2070 (gnus-message 5 "%s" mesg)
2071 (when (gnus-check-server method)
2072 ;; Request that the backend scan its incoming messages.
2073 (when (and (or (and gnus-agent
2074 (gnus-online method))
2076 (gnus-check-backend-function 'request-scan (car method)))
2077 (gnus-request-scan nil method))
2079 ((and (eq gnus-read-active-file 'some)
2080 (gnus-check-backend-function 'retrieve-groups (car method))
2082 (let ((newsrc (cdr gnus-newsrc-alist))
2083 (gmethod (gnus-server-get-method nil method))
2085 (while (setq info (pop newsrc))
2089 (gnus-find-method-for-group
2090 (gnus-info-group info) info))
2092 (push (gnus-group-real-name (gnus-info-group info))
2094 (gnus-read-active-file-2 groups method)))
2098 (if (not (gnus-request-list method))
2099 (unless (equal method gnus-message-archive-method)
2100 (gnus-error 1 "Cannot read active file from %s server"
2102 (gnus-message 5 "%s" mesg)
2103 (gnus-active-to-gnus-format method gnus-active-hashtb nil t)
2104 ;; We mark this active file as read.
2105 (add-to-list 'gnus-have-read-active-file method)
2106 (gnus-message 5 "%sdone" mesg)))))))
2108 (defun gnus-read-active-file-2 (groups method)
2109 "Read an active file for GROUPS in METHOD using `gnus-retrieve-groups'."
2111 (with-current-buffer nntp-server-buffer
2112 (gnus-check-server method)
2113 (let ((list-type (gnus-retrieve-groups groups method)))
2114 (cond ((not list-type)
2116 1.2 "Cannot read partial active file from %s server."
2118 ((eq list-type 'active)
2119 (gnus-active-to-gnus-format method gnus-active-hashtb nil t))
2121 (gnus-groups-to-gnus-format method gnus-active-hashtb t)))))))
2123 ;; Read an active file and place the results in `gnus-active-hashtb'.
2124 (defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors
2127 (setq method gnus-select-method))
2128 (let ((cur (current-buffer))
2130 (if (and gnus-active-hashtb
2131 (not (equal method gnus-select-method)))
2133 (setq gnus-active-hashtb
2134 (if (equal method gnus-select-method)
2135 (gnus-make-hashtable
2136 (count-lines (point-min) (point-max)))
2137 (gnus-make-hashtable 4096))))))
2139 ;; Delete unnecessary lines.
2140 (goto-char (point-min))
2142 ((string= gnus-ignored-newsgroups "")
2143 (delete-matching-lines "^to\\."))
2145 (delete-matching-lines (concat "^to\\.\\|" gnus-ignored-newsgroups))))
2147 (goto-char (point-min))
2148 (unless (re-search-forward "[\\\"]" nil t)
2149 ;; Make the group names readable as a lisp expression even if they
2150 ;; contain special characters.
2151 (goto-char (point-max))
2152 (while (re-search-backward "[][';?()#]" nil t)
2155 ;; Let the Gnus agent save the active file.
2156 (when (and gnus-agent real-active (gnus-online method))
2157 (gnus-agent-save-active method))
2159 ;; If these are groups from a foreign select method, we insert the
2160 ;; group prefix in front of the group names.
2161 (when (not (gnus-server-equal
2162 (gnus-server-get-method nil method)
2163 (gnus-server-get-method nil gnus-select-method)))
2164 (let ((prefix (gnus-group-prefixed-name "" method)))
2165 (goto-char (point-min))
2166 (while (and (not (eobp))
2168 (when (= (following-char) ?\")
2171 (zerop (forward-line 1)))))))
2172 ;; Store the active file in a hash table.
2173 ;; Use a unibyte buffer in order to make `read' read non-ASCII
2174 ;; group names (which have been encoded) as unibyte strings.
2175 (mm-with-unibyte-buffer
2176 (insert-buffer-substring cur)
2177 (setq cur (current-buffer))
2178 (goto-char (point-min))
2182 (narrow-to-region (point) (point-at-eol))
2183 ;; group gets set to a symbol interned in the hash table
2184 ;; (what a hack!!) - jwz
2185 (setq group (let ((obarray hashtb)) (read cur)))
2186 ;; ### The extended group name scheme makes
2187 ;; the previous optimization strategy sort of pointless...
2188 (when (stringp group)
2189 (setq group (intern group hashtb)))
2190 (if (and (numberp (setq max (read cur)))
2191 (numberp (setq min (read cur)))
2193 (skip-chars-forward " \t")
2195 (or (eq (char-after) ?=)
2196 (eq (char-after) ?x)
2197 (eq (char-after) ?j)))))
2199 (set group (cons min max))
2200 ;; if group is moderated, stick in moderation table
2201 (when (eq (char-after) ?m)
2202 (unless gnus-moderated-hashtb
2203 (setq gnus-moderated-hashtb (gnus-make-hashtable)))
2204 (gnus-sethash (symbol-name group) t
2205 gnus-moderated-hashtb)))
2211 (unless ignore-errors
2212 (gnus-message 3 "Warning - invalid active: %s"
2214 (point-at-bol) (point-at-eol))))))
2216 (forward-line 1)))))
2218 (defun gnus-groups-to-gnus-format (method &optional hashtb real-active)
2219 ;; Parse a "groups" active file.
2220 (let ((cur (current-buffer))
2222 (if (and method gnus-active-hashtb)
2224 (setq gnus-active-hashtb
2225 (gnus-make-hashtable
2226 (count-lines (point-min) (point-max)))))))
2228 (not (gnus-server-equal
2229 (gnus-server-get-method nil method)
2230 (gnus-server-get-method nil gnus-select-method)))
2231 (gnus-group-prefixed-name "" method))))
2233 ;; Let the Gnus agent save the active file.
2236 (gnus-online method)
2237 (gnus-agent-method-p method))
2239 (gnus-agent-save-active method t)
2240 (gnus-active-to-gnus-format method hashtb nil real-active))
2242 (goto-char (point-min))
2243 ;; We split this into to separate loops, one with the prefix
2244 ;; and one without to speed the reading up somewhat.
2246 (let (min max opoint group)
2250 (read cur) (read cur)
2251 (setq min (read cur)
2254 (skip-chars-forward " \t")
2257 (set (let ((obarray hashtb)) (read cur))
2259 (error (and group (symbolp group) (set group nil))))
2261 (let (min max group)
2264 (when (eq (char-after) ?2)
2265 (read cur) (read cur)
2266 (setq min (read cur)
2268 (set (setq group (let ((obarray hashtb)) (read cur)))
2270 (error (and group (symbolp group) (set group nil))))
2271 (forward-line 1)))))))
2273 (defun gnus-read-newsrc-file (&optional force)
2275 If FORCE is non-nil, the .newsrc file is read."
2276 ;; Reset variables that might be defined in the .newsrc.eld file.
2277 (let ((variables (remove 'gnus-format-specs gnus-variable-list)))
2279 (set (car variables) nil)
2280 (setq variables (cdr variables))))
2281 (let* ((newsrc-file gnus-current-startup-file)
2282 (quick-file (concat newsrc-file ".el")))
2284 ;; We always load the .newsrc.eld file. If always contains
2285 ;; much information that can not be gotten from the .newsrc
2286 ;; file (ticked articles, killed groups, foreign methods, etc.)
2287 (gnus-read-newsrc-el-file quick-file)
2289 (when (and gnus-read-newsrc-file
2290 (file-exists-p gnus-current-startup-file)
2292 (and (file-newer-than-file-p newsrc-file quick-file)
2293 (file-newer-than-file-p newsrc-file
2294 (concat quick-file "d")))
2295 (not gnus-newsrc-alist)))
2296 ;; We read the .newsrc file. Note that if there if a
2297 ;; .newsrc.eld file exists, it has already been read, and
2298 ;; the `gnus-newsrc-hashtb' has been created. While reading
2299 ;; the .newsrc file, Gnus will only use the information it
2300 ;; can find there for changing the data already read -
2301 ;; i. e., reading the .newsrc file will not trash the data
2302 ;; already read (except for read articles).
2304 (gnus-message 5 "Reading %s..." newsrc-file)
2305 (set-buffer (nnheader-find-file-noselect newsrc-file))
2306 (buffer-disable-undo)
2307 (gnus-newsrc-to-gnus-format)
2308 (kill-buffer (current-buffer))
2309 (gnus-message 5 "Reading %s...done" newsrc-file)))
2311 ;; Convert old to new.
2312 (gnus-convert-old-newsrc)
2313 (gnus-clean-old-newsrc))))
2315 (defun gnus-clean-old-newsrc (&optional force)
2316 ;; Currently no cleanups.
2319 (defun gnus-convert-old-newsrc ()
2320 "Convert old newsrc formats into the current format, if needed."
2321 (let ((fcv (and gnus-newsrc-file-version
2322 (gnus-continuum-version gnus-newsrc-file-version)))
2323 (gcv (gnus-continuum-version)))
2325 ;; A newsrc file was loaded.
2326 (let (prompt-displayed
2329 (mapcar (lambda (date-func)
2330 (cons (gnus-continuum-version (car date-func))
2332 ;; This is a list of converters that must be run
2333 ;; to bring the newsrc file up to the current
2334 ;; version. If you create an incompatibility
2335 ;; with older versions, you should create an
2336 ;; entry here. The entry should consist of the
2337 ;; current gnus version (hardcoded so that it
2338 ;; doesn't change with each release) and the
2339 ;; function that must be applied to convert the
2340 ;; previous version into the current version.
2341 '(("September Gnus v0.1" nil
2342 gnus-convert-old-ticks)
2343 ("Oort Gnus v0.08" "legacy-gnus-agent"
2344 gnus-agent-convert-to-compressed-agentview)
2345 ("Gnus v5.10.7" "legacy-gnus-agent"
2346 gnus-agent-unlist-expire-days)
2347 ("Gnus v5.10.7" "legacy-gnus-agent"
2348 gnus-agent-unhook-expire-days)))
2349 #'car-less-than-car)))
2350 ;; Skip converters older than the file version
2351 (while (and converters (>= fcv (caar converters)))
2354 ;; Perform converters to bring older version up to date.
2355 (when (and converters (< fcv (caar converters)))
2356 (while (and converters (< fcv (caar converters))
2357 (<= (caar converters) gcv))
2358 (let* ((converter-spec (pop converters))
2359 (convert-to (nth 1 converter-spec))
2360 (load-from (nth 2 converter-spec))
2361 (func (nth 3 converter-spec)))
2362 (when (and load-from
2363 (not (fboundp func)))
2365 (or prompt-displayed
2366 (not (gnus-convert-converter-needs-prompt func))
2368 (cursor-in-echo-area t)
2369 (echo-keystrokes 0))
2370 (message "Convert gnus from version `%s' to `%s'? (n/y/?)"
2371 gnus-newsrc-file-version gnus-version)
2372 (setq c (read-char-exclusive))
2374 (cond ((or (eq c ?n) (eq c ?N))
2375 (error "Can not start gnus without converting"))
2376 ((or (eq c ?y) (eq c ?Y))
2377 (setq prompt-displayed t)
2380 (message "This conversion is irreversible. \
2381 To be safe, you should backup your files before proceeding.")
2385 (gnus-message 3 "Ignoring unexpected input")
2389 (funcall func convert-to)))
2391 (format-message ";Converted gnus from version `%s' to `%s'."
2392 gnus-newsrc-file-version gnus-version)))))))
2394 (defun gnus-convert-mark-converter-prompt (converter no-prompt)
2395 "Indicate whether CONVERTER requires gnus-convert-old-newsrc to
2396 display the conversion prompt. NO-PROMPT may be nil (prompt),
2397 t (no prompt), or any form that can be called as a function.
2398 The form should return either t or nil."
2399 (put converter 'gnus-convert-no-prompt no-prompt))
2401 (defun gnus-convert-converter-needs-prompt (converter)
2402 (let ((no-prompt (get converter 'gnus-convert-no-prompt)))
2403 (not (if (memq no-prompt '(t nil))
2405 (funcall no-prompt)))))
2407 (defun gnus-convert-old-ticks (converting-to)
2408 (let ((newsrc (cdr gnus-newsrc-alist))
2409 marks info dormant ticked)
2410 (while (setq info (pop newsrc))
2411 (when (setq marks (gnus-info-marks info))
2412 (setq dormant (cdr (assq 'dormant marks))
2413 ticked (cdr (assq 'tick marks)))
2414 (when (or dormant ticked)
2418 (gnus-info-read info)
2419 (nconc (gnus-uncompress-range dormant)
2420 (gnus-uncompress-range ticked)))))))))
2422 (defun gnus-load (file)
2423 "Load FILE, but in such a way that read errors can be reported."
2425 (insert-file-contents file)
2427 (condition-case type
2428 (let ((form (read (current-buffer))))
2431 (unless (eq (car type) 'end-of-file)
2432 (let ((errmsg (format "Error in %s line %d" file
2433 (count-lines (point-min) (point)))))
2435 (unless (gnus-yes-or-no-p (concat errmsg "; continue? "))
2436 (error "%s" errmsg)))))))))
2438 (defun gnus-read-newsrc-el-file (file)
2439 (let ((ding-file (concat file "d")))
2440 (when (file-exists-p ding-file)
2441 ;; We always, always read the .eld file.
2442 (gnus-message 5 "Reading %s..." ding-file)
2443 (let (gnus-newsrc-assoc)
2444 (gnus-load ding-file)
2445 ;; Older versions of `gnus-format-specs' are no longer valid
2446 ;; in Oort Gnus 0.01.
2448 (and gnus-newsrc-file-version
2449 (gnus-continuum-version gnus-newsrc-file-version))))
2450 (when (or (not version)
2451 (< version 5.090009))
2452 (setq gnus-format-specs gnus-default-format-specs)))
2453 (when gnus-newsrc-assoc
2454 (setq gnus-newsrc-alist gnus-newsrc-assoc))))
2455 (dolist (elem gnus-newsrc-alist)
2456 ;; Protect against broken .newsrc.el files.
2458 (setcar elem (string-as-unibyte (car elem)))))
2459 (gnus-make-hashtable-from-newsrc-alist)
2460 (when (file-newer-than-file-p file ding-file)
2461 ;; Old format quick file
2462 (gnus-message 5 "Reading %s..." file)
2463 ;; The .el file is newer than the .eld file, so we read that one
2465 (gnus-read-old-newsrc-el-file file)))
2466 (gnus-run-hooks 'gnus-read-newsrc-el-hook))
2468 ;; Parse the old-style quick startup file
2469 (defun gnus-read-old-newsrc-el-file (file)
2470 (let (newsrc killed marked group m info)
2472 (let ((gnus-killed-assoc nil)
2473 gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc)
2477 (setq newsrc gnus-newsrc-assoc
2478 killed gnus-killed-assoc
2479 marked gnus-marked-assoc)))
2480 (setq gnus-newsrc-alist nil)
2481 (while (setq group (pop newsrc))
2482 (if (setq info (gnus-get-info (car group)))
2484 (gnus-info-set-read info (cddr group))
2485 (gnus-info-set-level
2486 info (if (nth 1 group) gnus-level-default-subscribed
2487 gnus-level-default-unsubscribed))
2488 (push info gnus-newsrc-alist))
2491 (if (nth 1 group) gnus-level-default-subscribed
2492 gnus-level-default-unsubscribed)
2495 ;; Copy marks into info.
2496 (when (setq m (assoc (car group) marked))
2497 (unless (nthcdr 3 info)
2498 (nconc info (list nil)))
2499 (gnus-info-set-marks
2500 info (list (cons 'tick (gnus-compress-sequence
2501 (sort (cdr m) '<) t))))))
2502 (setq newsrc killed)
2504 (setcar newsrc (caar newsrc))
2505 (setq newsrc (cdr newsrc)))
2506 (setq gnus-killed-list killed))
2507 ;; The .el file version of this variable does not begin with
2508 ;; "options", while the .eld version does, so we just add it if it
2512 (when (not (string-match "^ *options" gnus-newsrc-options))
2513 (setq gnus-newsrc-options (concat "options " gnus-newsrc-options)))
2514 (when (not (string-match "\n$" gnus-newsrc-options))
2515 (setq gnus-newsrc-options (concat gnus-newsrc-options "\n")))
2516 ;; Finally, if we read some options lines, we parse them.
2517 (unless (string= gnus-newsrc-options "")
2518 (gnus-newsrc-parse-options gnus-newsrc-options)))
2520 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))
2521 (gnus-make-hashtable-from-newsrc-alist)))
2523 (defun gnus-make-newsrc-file (file)
2524 "Make server dependent file name by catenating FILE and server host name."
2525 (let* ((file (expand-file-name file nil))
2526 (real-file (concat file "-" (nth 1 gnus-select-method))))
2527 (if (or (file-exists-p real-file)
2528 (file-exists-p (concat real-file ".el"))
2529 (file-exists-p (concat real-file ".eld")))
2533 (defun gnus-newsrc-to-gnus-format ()
2534 (setq gnus-newsrc-options "")
2535 (setq gnus-newsrc-options-n nil)
2537 (unless gnus-active-hashtb
2538 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
2539 (let ((buf (current-buffer))
2540 (already-read (> (length gnus-newsrc-alist) 1))
2541 group subscribed options-symbol newsrc Options-symbol
2543 (goto-char (point-min))
2544 ;; We intern the symbol `options' in the active hashtb so that we
2545 ;; can `eq' against it later.
2546 (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil)
2547 (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil)
2550 ;; We first read the first word on the line by narrowing and
2551 ;; then reading into `gnus-active-hashtb'. Most groups will
2552 ;; already exist in that hashtb, so this will save some string
2556 (progn (skip-chars-forward "^ \t!:\n") (point)))
2557 (goto-char (point-min))
2559 (and (/= (point-min) (point-max))
2560 (let ((obarray gnus-active-hashtb)) (read buf))))
2562 ;; Now, the symbol we have read is either `options' or a group
2563 ;; name. If it is an options line, we just add it to a string.
2565 ((or (eq symbol options-symbol)
2566 (eq symbol Options-symbol))
2567 (setq gnus-newsrc-options
2568 ;; This concatting is quite inefficient, but since our
2569 ;; thorough studies show that approx 99.37% of all
2570 ;; .newsrc files only contain a single options line, we
2571 ;; don't give a damn, frankly, my dear.
2572 (concat gnus-newsrc-options
2575 ;; Options may continue on the next line.
2576 (or (and (re-search-forward "^[^ \t]" nil 'move)
2581 ;; Group names can be just numbers.
2582 (when (numberp symbol)
2583 (setq symbol (intern (int-to-string symbol) gnus-active-hashtb)))
2584 (unless (boundp symbol)
2586 ;; It was a group name.
2587 (setq subscribed (eq (char-after) ?:)
2588 group (symbol-name symbol)
2591 ;; If the line ends here, this is clearly a buggy line, so
2592 ;; we put point a the beginning of line and let the cond
2593 ;; below do the error handling.
2595 ;; We skip to the beginning of the ranges.
2596 (skip-chars-forward "!: \t"))
2597 ;; We are now at the beginning of the list of read articles.
2598 ;; We read them range by range.
2601 ((looking-at "[0-9]+")
2602 ;; We narrow and read a number instead of buffer-substring/
2603 ;; string-to-number because it's faster. narrow/widen is
2604 ;; faster than save-restriction/narrow, and save-restriction
2605 ;; produces a garbage object.
2607 (narrow-to-region (match-beginning 0) (match-end 0))
2610 ;; If the next character is a dash, then this is a range.
2611 (if (eq (char-after) ?-)
2613 ;; We read the upper bound of the range.
2615 (if (not (looking-at "[0-9]+"))
2616 ;; This is a buggy line, by we pretend that
2617 ;; it's kinda OK. Perhaps the user should be
2623 (narrow-to-region (match-beginning 0)
2628 ;; It was just a simple number, so we add it to the
2631 ;; If the next char in ?\n, then we have reached the end
2632 ;; of the line and return nil.
2633 (not (eq (char-after) ?\n)))
2634 ((eq (char-after) ?\n)
2635 ;; End of line, so we end.
2638 ;; Not numbers and not eol, so this might be a buggy
2641 ;; If it was eob instead of ?\n, we allow it.
2642 ;; The line was buggy.
2644 (gnus-error 3.1 "Mangled line: %s"
2645 (buffer-substring (point-at-bol)
2648 ;; Skip past ", ". Spaces are invalid in these ranges, but
2649 ;; we allow them, because it's a common mistake to put a
2650 ;; space after the comma.
2651 (skip-chars-forward ", "))
2653 ;; We have already read .newsrc.eld, so we gently update the
2654 ;; data in the hash table with the information we have just
2657 (let ((info (gnus-get-info group))
2660 ;; There is an entry for this file in the alist.
2662 (gnus-info-set-read info (nreverse reads))
2663 ;; We update the level very gently. In fact, we
2664 ;; only change it if there's been a status change
2665 ;; from subscribed to unsubscribed, or vice versa.
2666 (setq level (gnus-info-level info))
2667 (cond ((and (<= level gnus-level-subscribed)
2669 (setq level (if reads
2670 gnus-level-default-unsubscribed
2671 (1+ gnus-level-default-unsubscribed))))
2672 ((and (> level gnus-level-subscribed) subscribed)
2673 (setq level gnus-level-default-subscribed)))
2674 (gnus-info-set-level info level))
2675 ;; This is a new group.
2676 (setq info (list group
2678 gnus-level-default-subscribed
2680 (1+ gnus-level-subscribed)
2681 gnus-level-default-unsubscribed))
2683 (push info newsrc)))))
2686 (setq newsrc (nreverse newsrc))
2688 (if (not already-read)
2690 ;; We now have two newsrc lists - `newsrc', which is what we
2691 ;; have read from .newsrc, and `gnus-newsrc-alist', which is
2692 ;; what we've read from .newsrc.eld. We have to merge these
2693 ;; lists. We do this by "attaching" any (foreign) groups in the
2694 ;; gnus-newsrc-alist to the (native) group that precedes them.
2695 (let ((rc (cdr gnus-newsrc-alist))
2696 (prev gnus-newsrc-alist)
2699 (or (null (nth 4 (car rc))) ; It's a native group.
2700 (assoc (caar rc) newsrc) ; It's already in the alist.
2701 (if (setq entry (assoc (caar prev) newsrc))
2702 (setcdr (setq mentry (memq entry newsrc))
2703 (cons (car rc) (cdr mentry)))
2704 (push (car rc) newsrc)))
2708 (setq gnus-newsrc-alist newsrc)
2709 ;; We make the newsrc hashtb.
2710 (gnus-make-hashtable-from-newsrc-alist)
2712 ;; Finally, if we read some options lines, we parse them.
2713 (unless (string= gnus-newsrc-options "")
2714 (gnus-newsrc-parse-options gnus-newsrc-options))))
2716 ;; Parse options lines to find "options -n !all rec.all" and stuff.
2717 ;; The return value will be a list on the form
2718 ;; ((regexp1 . ignore)
2719 ;; (regexp2 . subscribe)...)
2720 ;; When handling new newsgroups, groups that match a `ignore' regexp
2721 ;; will be ignored, and groups that match a `subscribe' regexp will be
2722 ;; subscribed. A line like
2723 ;; options -n !all rec.all
2724 ;; will lead to a list that looks like
2725 ;; (("^rec\\..+" . subscribe)
2726 ;; ("^.+" . ignore))
2727 ;; So all "rec.*" groups will be subscribed, while all the other
2728 ;; groups will be ignored. Note that "options -n !all rec.all" is very
2729 ;; different from "options -n rec.all !all".
2730 (defun gnus-newsrc-parse-options (options)
2733 (gnus-set-work-buffer)
2734 (insert (regexp-quote options))
2735 ;; First we treat all continuation lines.
2736 (goto-char (point-min))
2737 (while (re-search-forward "\n[ \t]+" nil t)
2738 (replace-match " " t t))
2739 ;; Then we transform all "all"s into ".+"s.
2740 (goto-char (point-min))
2741 (while (re-search-forward "\\ball\\b" nil t)
2742 (replace-match ".+" t t))
2743 (goto-char (point-min))
2744 ;; We remove all other options than the "-n" ones.
2745 (while (re-search-forward "[ \t]-[^n][^-]*" nil t)
2748 (goto-char (point-min))
2750 ;; We are only interested in "options -n" lines - we
2751 ;; ignore the other option lines.
2752 (while (re-search-forward "[ \t]-n" nil t)
2755 (and (re-search-forward "[ \t]-n" (point-at-eol) t)
2758 ;; Search for all "words"...
2759 (while (re-search-forward "[^ \t,\n]+" eol t)
2760 (if (eq (char-after (match-beginning 0)) ?!)
2761 ;; If the word begins with a bang (!), this is a "not"
2762 ;; spec. We put this spec (minus the bang) and the
2763 ;; symbol `ignore' into the list.
2765 "^" (buffer-substring
2766 (1+ (match-beginning 0))
2771 ;; There was no bang, so this is a "yes" spec.
2772 (push (cons (concat "^" (match-string 0) "\\($\\|\\.\\)")
2776 (setq gnus-newsrc-options-n out))))
2779 (defalias 'gnus-long-file-names
2780 (if (fboundp 'msdos-long-file-names)
2781 'msdos-long-file-names
2784 (defvar gnus-save-newsrc-file-last-timestamp nil)
2785 (defun gnus-save-newsrc-file (&optional force)
2786 "Save .newsrc file."
2787 ;; Note: We cannot save .newsrc file if all newsgroups are removed
2788 ;; from the variable gnus-newsrc-alist.
2789 (when (and (or gnus-newsrc-alist gnus-killed-list)
2790 gnus-current-startup-file)
2791 ;; Save agent range limits for the currently active method.
2793 (gnus-agent-save-local force))
2796 (if (and (or gnus-use-dribble-file gnus-slave)
2798 (or (not gnus-dribble-buffer)
2799 (not (buffer-name gnus-dribble-buffer))
2800 (zerop (with-current-buffer gnus-dribble-buffer
2802 (gnus-message 4 "(No changes need to be saved)")
2803 (gnus-run-hooks 'gnus-save-newsrc-hook)
2805 (gnus-slave-save-newsrc)
2807 (when gnus-save-newsrc-file
2808 (gnus-message 8 "Saving %s..." gnus-current-startup-file)
2809 (gnus-gnus-to-newsrc-format)
2810 (gnus-message 8 "Saving %s...done" gnus-current-startup-file))
2812 ;; Save .newsrc.eld.
2813 (set-buffer (gnus-get-buffer-create " *Gnus-newsrc*"))
2814 (make-local-variable 'version-control)
2815 (setq version-control gnus-backup-startup-file)
2816 (setq buffer-file-name
2817 (concat gnus-current-startup-file ".eld"))
2818 (setq default-directory (file-name-directory buffer-file-name))
2819 (buffer-disable-undo)
2821 (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
2823 ;; check timestamp of `gnus-current-startup-file'.eld against
2824 ;; `gnus-save-newsrc-file-last-timestamp'
2825 (let* ((checkfile (concat gnus-current-startup-file ".eld"))
2826 (mtime (nth 5 (file-attributes checkfile))))
2827 (when (and gnus-save-newsrc-file-last-timestamp
2828 (time-less-p gnus-save-newsrc-file-last-timestamp
2831 (format "%s was updated externally after %s, save?"
2835 gnus-save-newsrc-file-last-timestamp)))
2836 (error "Couldn't save %s: updated externally" checkfile))))
2838 (if gnus-save-startup-file-via-temp-buffer
2839 (let ((coding-system-for-write gnus-ding-file-coding-system)
2840 (standard-output (current-buffer)))
2841 (gnus-gnus-to-quick-newsrc-format)
2842 (gnus-run-hooks 'gnus-save-quick-newsrc-hook)
2844 (setq gnus-save-newsrc-file-last-timestamp
2845 (nth 5 (file-attributes buffer-file-name))))
2846 (let ((coding-system-for-write gnus-ding-file-coding-system)
2847 (version-control gnus-backup-startup-file)
2848 (startup-file (concat gnus-current-startup-file ".eld"))
2849 (working-dir (file-name-directory gnus-current-startup-file))
2852 ;; Generate the name of a non-existent file.
2853 (while (progn (setq working-file
2855 (if (and (eq system-type 'ms-dos)
2856 (not (gnus-long-file-names)))
2857 "%s#%d.tm#" ; MSDOS limits files to 8+3
2859 working-dir (setq i (1+ i))))
2860 (file-exists-p working-file)))
2864 (gnus-with-output-to-file working-file
2865 (gnus-gnus-to-quick-newsrc-format)
2866 (gnus-run-hooks 'gnus-save-quick-newsrc-hook))
2868 ;; These bindings will mislead the current buffer
2869 ;; into thinking that it is visiting the startup
2871 (let ((buffer-backed-up nil)
2872 (buffer-file-name startup-file)
2873 (file-precious-flag t)
2874 (setmodes (file-modes startup-file)))
2875 ;; Backup the current version of the startup file.
2878 ;; Replace the existing startup file with the temp file.
2879 (rename-file working-file startup-file t)
2880 (gnus-set-file-modes startup-file setmodes)
2881 (setq gnus-save-newsrc-file-last-timestamp
2882 (nth 5 (file-attributes startup-file)))))
2884 (delete-file working-file)
2885 (file-error nil)))))
2887 (gnus-kill-buffer (current-buffer))
2889 5 "Saving %s.eld...done" gnus-current-startup-file))
2890 (gnus-dribble-delete-file)
2891 (gnus-group-set-mode-line)))))
2893 (defun gnus-gnus-to-quick-newsrc-format (&optional minimal name &rest specific-variables)
2894 "Print Gnus variables such as `gnus-newsrc-alist' in Lisp format."
2895 (princ (format ";; -*- mode:emacs-lisp; coding: %s; -*-\n"
2896 gnus-ding-file-coding-system))
2898 (princ (format ";; %s\n" name))
2899 (princ ";; Gnus startup file.\n"))
2903 ;; Never delete this file -- if you want to force Gnus to read the
2904 ;; .newsrc file (if you have one), touch .newsrc instead.\n")
2905 (princ "(setq gnus-newsrc-file-version ")
2906 (princ (gnus-prin1-to-string gnus-version))
2909 (let* ((print-quoted t)
2911 (print-escape-multibyte nil)
2912 (print-escape-nonascii t)
2916 (print-escape-newlines t)
2918 (if (and gnus-save-killed-list
2919 (stringp gnus-save-killed-list))
2920 (gnus-strip-killed-list)
2923 (or specific-variables
2924 (if gnus-save-killed-list gnus-variable-list
2925 ;; Remove the `gnus-killed-list' from the list of variables
2926 ;; to be saved, if required.
2927 (delq 'gnus-killed-list (copy-sequence gnus-variable-list)))))
2928 ;; Peel off the "dummy" group.
2929 (gnus-newsrc-alist (cdr gnus-newsrc-alist))
2931 ;; Insert the variables into the file.
2933 (when (and (boundp (setq variable (pop variables)))
2934 (symbol-value variable))
2936 (princ (symbol-name variable))
2938 (prin1 (symbol-value variable))
2941 (defun gnus-strip-killed-list ()
2942 "Return the killed list minus the groups that match `gnus-save-killed-list'."
2943 (let ((list gnus-killed-list)
2946 (when (string-match gnus-save-killed-list (car list))
2947 (push (car list) olist))
2951 (defun gnus-gnus-to-newsrc-format (&optional foreign-ok)
2952 (interactive (list (gnus-y-or-n-p "write foreign groups too? ")))
2953 ;; Generate and save the .newsrc file.
2954 (with-current-buffer (create-file-buffer gnus-current-startup-file)
2955 (let ((newsrc (cdr gnus-newsrc-alist))
2956 (standard-output (current-buffer))
2957 info ranges range method)
2958 (setq buffer-file-name gnus-current-startup-file)
2959 (setq default-directory (file-name-directory buffer-file-name))
2960 (buffer-disable-undo)
2962 ;; Use a unibyte buffer since group names are unibyte strings;
2963 ;; in particular, non-ASCII group names are the ones encoded by
2964 ;; a certain coding system.
2965 (mm-disable-multibyte)
2967 (when gnus-newsrc-options
2968 (insert gnus-newsrc-options))
2969 ;; Write subscribed and unsubscribed.
2970 (while (setq info (pop newsrc))
2971 ;; Don't write foreign groups to .newsrc.
2972 (when (or (null (setq method (gnus-info-method info)))
2973 (equal method "native")
2974 (inline (gnus-server-equal method gnus-select-method))
2976 (insert (gnus-info-group info)
2977 (if (> (gnus-info-level info) gnus-level-subscribed)
2979 (when (setq ranges (gnus-info-read info))
2981 (if (not (listp (cdr ranges)))
2982 (if (= (car ranges) (cdr ranges))
2983 (princ (car ranges))
2984 (princ (car ranges))
2986 (princ (cdr ranges)))
2987 (while (setq range (pop ranges))
2988 (if (or (atom range) (= (car range) (cdr range)))
2989 (princ (or (and (atom range) range) (car range)))
2992 (princ (cdr range)))
2996 (make-local-variable 'version-control)
2997 (setq version-control 'never)
2998 ;; It has been reported that sometime the modtime on the .newsrc
2999 ;; file seems to be off. We really do want to overwrite it, so
3000 ;; we clear the modtime here before saving. It's a bit odd,
3002 ;; sometimes the modtime clear isn't sufficient. most brute force:
3003 ;; delete the silly thing entirely first. but this fails to provide
3004 ;; such niceties as .newsrc~ creation.
3005 (if gnus-modtime-botch
3006 (delete-file gnus-startup-file)
3007 (clear-visited-file-modtime))
3008 (gnus-run-hooks 'gnus-save-standard-newsrc-hook)
3009 (let ((coding-system-for-write 'raw-text))
3011 (kill-buffer (current-buffer)))))
3015 ;;; Slave functions.
3018 (defvar gnus-slave-mode nil)
3020 (defun gnus-slave-mode ()
3021 "Minor mode for slave Gnusae."
3022 ;; FIXME: gnus-slave-mode appears to never be set (i.e. it'll always be nil):
3023 ;; Remove, or fix and use define-minor-mode.
3024 (add-minor-mode 'gnus-slave-mode " Slave" (make-sparse-keymap))
3025 (gnus-run-hooks 'gnus-slave-mode-hook))
3027 (defun gnus-slave-save-newsrc ()
3028 (with-current-buffer gnus-dribble-buffer
3030 (mm-make-temp-file (concat gnus-current-startup-file "-slave-")))
3031 (modes (ignore-errors
3032 (file-modes (concat gnus-current-startup-file ".eld")))))
3033 (let ((coding-system-for-write gnus-ding-file-coding-system))
3034 (gnus-write-buffer slave-name))
3036 (gnus-set-file-modes slave-name modes)))))
3038 (defun gnus-master-read-slave-newsrc ()
3041 (file-name-directory gnus-current-startup-file)
3045 (file-name-nondirectory gnus-current-startup-file)
3049 (if (not slave-files)
3050 () ; There are no slave files to read.
3051 (gnus-message 7 "Reading slave newsrcs...")
3052 (with-current-buffer (gnus-get-buffer-create " *gnus slave*")
3054 (sort (mapcar (lambda (file)
3055 (list (nth 5 (file-attributes file)) file))
3058 (or (< (caar f1) (caar f2))
3059 (< (nth 1 (car f1)) (nth 1 (car f2)))))))
3062 (setq file (nth 1 (car slave-files)))
3063 (nnheader-insert-file-contents file)
3064 (when (condition-case ()
3066 (eval-buffer (current-buffer))
3069 (gnus-error 3.2 "Possible error in %s" file)
3071 (unless gnus-slave ; Slaves shouldn't delete these files.
3073 (delete-file file))))
3074 (setq slave-files (cdr slave-files))))
3075 (gnus-dribble-touch)
3076 (gnus-message 7 "Reading slave newsrcs...done"))))
3080 ;;; Group description.
3083 (defun gnus-read-all-descriptions-files ()
3084 (let ((methods (cons gnus-select-method
3086 (when (gnus-archive-server-wanted-p)
3088 gnus-secondary-select-methods))))
3090 (gnus-read-descriptions-file (car methods))
3091 (setq methods (cdr methods)))
3094 (defun gnus-read-descriptions-file (&optional method)
3095 (let ((method (or method gnus-select-method))
3097 (when (stringp method)
3098 (setq method (gnus-server-to-method method)))
3099 ;; We create the hashtable whether we manage to read the desc file
3100 ;; to avoid trying to re-read after a failed read.
3101 (unless gnus-description-hashtb
3102 (setq gnus-description-hashtb
3103 (gnus-make-hashtable (length gnus-active-hashtb))))
3104 ;; Mark this method's desc file as read.
3105 (gnus-sethash (gnus-group-prefixed-name "" method) "Has read"
3106 gnus-description-hashtb)
3108 (gnus-message 5 "Reading descriptions file via %s..." (car method))
3110 ((null (gnus-get-function method 'request-list-newsgroups t))
3112 ((not (gnus-check-server method))
3113 (gnus-message 1 "Couldn't open server")
3115 ((not (gnus-request-list-newsgroups method))
3116 (gnus-message 1 "Couldn't read newsgroups descriptions")
3120 ;; FIXME: Shouldn't save-restriction be done after set-buffer?
3122 (set-buffer nntp-server-buffer)
3123 (goto-char (point-min))
3124 (when (or (search-forward "\n.\n" nil t)
3125 (goto-char (point-max)))
3127 (narrow-to-region (point-min) (point)))
3128 ;; If these are groups from a foreign select method, we insert the
3129 ;; group prefix in front of the group names.
3130 (and method (not (inline
3132 (gnus-server-get-method nil method)
3133 (gnus-server-get-method
3134 nil gnus-select-method))))
3135 (let ((prefix (gnus-group-prefixed-name "" method)))
3136 (goto-char (point-min))
3137 (while (and (not (eobp))
3138 (progn (insert prefix)
3139 (zerop (forward-line 1)))))))
3140 (goto-char (point-min))
3142 ;; If we get an error, we set group to 0, which is not a
3146 (let ((obarray gnus-description-hashtb))
3147 ;; Group is set to a symbol interned in this
3149 (read nntp-server-buffer))
3151 (skip-chars-forward " \t")
3152 ;; ... which leads to this line being effectively ignored.
3153 (when (symbolp group)
3154 (let* ((str (buffer-substring
3155 (point) (progn (end-of-line) (point))))
3156 (name (symbol-name group))
3158 (or (gnus-group-name-charset method name)
3159 (gnus-parameter-charset name)
3160 gnus-default-charset)))
3161 ;; Fixme: Don't decode in unibyte mode.
3162 (when (and str charset (featurep 'mule))
3163 (setq str (decode-coding-string str charset)))
3166 (gnus-message 5 "Reading descriptions file...done")
3169 (defun gnus-group-get-description (group)
3170 "Get the description of a group by sending XGTITLE to the server."
3171 (when (gnus-request-group-description group)
3172 (with-current-buffer nntp-server-buffer
3173 (goto-char (point-min))
3174 (when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
3175 (match-string 1)))))
3178 (defun gnus-declare-backend (name &rest abilities)
3179 "Declare back end NAME with ABILITIES as a Gnus back end."
3180 (setq gnus-valid-select-methods
3181 (nconc gnus-valid-select-methods
3182 (list (apply 'list name abilities))))
3183 (gnus-redefine-select-method-widget))
3185 (defun gnus-set-default-directory ()
3186 "Set the default directory in the current buffer to `gnus-default-directory'.
3187 If this variable is nil, don't do anything."
3188 (setq default-directory
3189 (if (and gnus-default-directory
3190 (file-exists-p gnus-default-directory))
3191 (file-name-as-directory (expand-file-name gnus-default-directory))
3192 default-directory)))
3194 (defun gnus-display-time-event-handler ()
3195 (if (and (fboundp 'display-time-event-handler)
3196 (gnus-boundp 'display-time-timer))
3197 (display-time-event-handler)))
3199 (defun gnus-check-reasonable-setup ()
3200 ;; Check whether nnml and nnfolder share a directory.
3202 (if (fboundp 'display-warning)
3204 (lambda (type message)
3206 (message "Warning (%s): %s" type message)
3208 (with-current-buffer (get-buffer-create "*Warnings*")
3209 (goto-char (point-max))
3212 (insert (format "Warning (%s): %s\n" type message))
3213 (setq window (display-buffer (current-buffer)))
3217 (forward-line (- 1 (window-height window)))
3219 (goto-char (point-max))))))))))
3220 method active actives match)
3221 (dolist (server gnus-server-alist)
3222 (setq method (gnus-server-to-method server)
3223 active (intern (format "%s-active-file" (car method))))
3224 (when (and (member (car method) '(nnml nnfolder))
3225 (gnus-server-opened method)
3227 (when (setq match (assoc (symbol-value active) actives))
3228 (funcall display-warn 'gnus-server
3229 (format "%s and %s share the same active file %s"
3233 (push (list (symbol-value active) method) actives)))))
3235 (provide 'gnus-start)
3237 ;;; gnus-start.el ends here