1 ;;; gnus-start.el --- startup functions for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. 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-default-subscribed-newsgroups nil
90 "List of newsgroups to subscribe, when a user runs Gnus the first time.
91 The value should be a list of strings.
92 If it is t, Gnus will not do anything special the first time it is
93 started; it'll just use the normal newsgroups subscription methods."
95 :type '(choice (repeat string) (const :tag "Nothing special" t)))
97 (defcustom gnus-use-dribble-file t
98 "*Non-nil means that Gnus will use a dribble file to store user updates.
99 If Emacs should crash without saving the .newsrc files, complete
100 information can be restored from the dribble file."
101 :group 'gnus-dribble-file
104 (defcustom gnus-dribble-directory nil
105 "*The directory where dribble files will be saved.
106 If this variable is nil, the directory where the .newsrc files are
108 :group 'gnus-dribble-file
109 :type '(choice directory (const nil)))
111 (defcustom gnus-check-new-newsgroups 'ask-server
112 "*Non-nil means that Gnus will run `gnus-find-new-newsgroups' at startup.
113 This normally finds new newsgroups by comparing the active groups the
114 servers have already reported with those Gnus already knows, either alive
117 When any of the following are true, `gnus-find-new-newsgroups' will instead
118 ask the servers (primary, secondary, and archive servers) to list new
119 groups since the last time it checked:
120 1. This variable is `ask-server'.
121 2. This variable is a list of select methods (see below).
122 3. `gnus-read-active-file' is nil or `some'.
123 4. A prefix argument is given to `gnus-find-new-newsgroups' interactively.
125 Thus, if this variable is `ask-server' or a list of select methods or
126 `gnus-read-active-file' is nil or `some', then the killed list is no
127 longer necessary, so you could safely set `gnus-save-killed-list' to nil.
129 This variable can be a list of select methods which Gnus will query with
130 the `ask-server' method in addition to the primary, secondary, and archive
134 (setq gnus-check-new-newsgroups
135 '((nntp \"some.server\") (nntp \"other.server\")))
137 If this variable is nil, then you have to tell Gnus explicitly to
138 check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups]."
140 :type '(choice (const :tag "no" nil)
141 (const :tag "by brute force" t)
142 (const :tag "ask servers" ask-server)
143 (repeat :menu-tag "ask additional servers"
144 :tag "ask additional servers"
146 (sexp :format "%v"))))
148 (defcustom gnus-check-bogus-newsgroups nil
149 "*Non-nil means that Gnus will check and remove bogus newsgroup at startup.
150 If this variable is nil, then you have to tell Gnus explicitly to
151 check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups]."
152 :group 'gnus-start-server
155 (defcustom gnus-read-active-file 'some
156 "*Non-nil means that Gnus will read the entire active file at startup.
157 If this variable is nil, Gnus will only know about the groups in your
160 If this variable is `some', Gnus will try to only read the relevant
161 parts of the active file from the server. Not all servers support
162 this, and it might be quite slow with other servers, but this should
163 generally be faster than both the t and nil value.
165 If you set this variable to nil or `some', you probably still want to
166 be told about new newsgroups that arrive. To do that, set
167 `gnus-check-new-newsgroups' to `ask-server'. This may not work
168 properly with all servers."
169 :group 'gnus-start-server
170 :type '(choice (const nil)
174 (defconst gnus-level-subscribed 5
175 "Groups with levels less than or equal to this variable are subscribed.")
177 (defconst gnus-level-unsubscribed 7
178 "Groups with levels less than or equal to this variable are unsubscribed.
180 Groups with levels less than `gnus-level-subscribed', which
181 should be less than this variable, are subscribed. Groups with
182 levels from `gnus-level-subscribed' (exclusive) upto this
183 variable (inclusive) are unsubscribed. See also
184 `gnus-level-zombie', `gnus-level-killed' and the Info node `(gnus)Group
185 Levels' for details.")
187 (defconst gnus-level-zombie 8
188 "Groups with this level are zombie groups.")
190 (defconst gnus-level-killed 9
191 "Groups with this level are killed.")
193 (defcustom gnus-level-default-subscribed 3
194 "*New subscribed groups will be subscribed at this level."
195 :group 'gnus-group-levels
198 (defcustom gnus-level-default-unsubscribed 6
199 "*New unsubscribed groups will be unsubscribed at this level."
200 :group 'gnus-group-levels
203 (defcustom gnus-activate-level (1+ gnus-level-subscribed)
204 "*Groups higher than this level won't be activated on startup.
205 Setting this variable to something low might save lots of time when
206 you have many groups that you aren't interested in."
207 :group 'gnus-group-levels
210 (defcustom gnus-activate-foreign-newsgroups 4
211 "*If nil, Gnus will not check foreign newsgroups at startup.
212 If it is non-nil, it should be a number between one and nine. Foreign
213 newsgroups that have a level lower or equal to this number will be
214 activated on startup. For instance, if you want to active all
215 subscribed newsgroups, but not the rest, you'd set this variable to
216 `gnus-level-subscribed'.
218 If you subscribe to lots of newsgroups from different servers, startup
219 might take a while. By setting this variable to nil, you'll save time,
220 but you won't be told how many unread articles there are in the
222 :group 'gnus-group-levels
223 :type '(choice integer
224 (const :tag "none" nil)))
226 (defcustom gnus-read-newsrc-file t
227 "*Non-nil means that Gnus will read the `.newsrc' file.
228 Gnus always reads its own startup file, which is called
229 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
230 be readily understood by other newsreaders. If you don't plan on
231 using other newsreaders, set this variable to nil to save some time on
237 (defcustom gnus-save-newsrc-file t
238 "*Non-nil means that Gnus will save the `.newsrc' file.
239 Gnus always saves its own startup file, which is called
240 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
241 be readily understood by other newsreaders. If you don't plan on
242 using other newsreaders, set this variable to nil to save some time on
247 (defcustom gnus-save-killed-list t
248 "*If non-nil, save the list of killed groups to the startup file.
249 If you set this variable to nil, you'll save both time (when starting
250 and quitting) and space (both memory and disk), but it will also mean
251 that Gnus has no record of which groups are new and which are old, so
252 the automatic new newsgroups subscription methods become meaningless.
254 You should always set `gnus-check-new-newsgroups' to `ask-server' or
255 nil if you set this variable to nil.
257 This variable can also be a regexp. In that case, all groups that do
258 not match this regexp will be removed before saving the list."
260 :type '(radio (sexp :format "Non-nil\n"
261 :match (lambda (widget value)
262 (and value (not (stringp value))))
267 (defcustom gnus-ignored-newsgroups
269 '("^to\\." ; not "real" groups
270 "^[0-9. \t]+\\( \\|$\\)" ; all digits in name
271 "^[\"][]\"[#'()]" ; bogus characters
274 "*A regexp to match uninteresting newsgroups in the active file.
275 Any lines in the active file matching this regular expression are
276 removed from the newsgroup list before anything else is done to it,
277 thus making them effectively non-existent."
278 :group 'gnus-group-new
281 (defcustom gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
282 "*Function(s) called with a group name when new group is detected.
283 A few pre-made functions are supplied: `gnus-subscribe-randomly'
284 inserts new groups at the beginning of the list of groups;
285 `gnus-subscribe-alphabetically' inserts new groups in strict
286 alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
287 in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
288 for your decision; `gnus-subscribe-killed' kills all new groups;
289 `gnus-subscribe-zombies' will make all new groups into zombies;
290 `gnus-subscribe-topics' will enter groups into the topics that
292 :group 'gnus-group-new
293 :type '(radio (function-item gnus-subscribe-randomly)
294 (function-item gnus-subscribe-alphabetically)
295 (function-item gnus-subscribe-hierarchically)
296 (function-item gnus-subscribe-interactively)
297 (function-item gnus-subscribe-killed)
298 (function-item gnus-subscribe-zombies)
299 (function-item gnus-subscribe-topics)
303 (defcustom gnus-subscribe-newsgroup-hooks nil
304 "*Hooks run after you subscribe to a new group.
305 The hooks will be called with new group's name as argument."
307 :group 'gnus-group-new
310 (defcustom gnus-subscribe-options-newsgroup-method
311 'gnus-subscribe-alphabetically
312 "*Function(s) called to subscribe newsgroups mentioned on \"options -n\" lines.
313 If, for instance, you want to subscribe to all newsgroups in the
314 \"no\" and \"alt\" hierarchies, you'd put the following in your
317 options -n no.all alt.all
319 Gnus will then subscribe all new newsgroups in these hierarchies
320 with the subscription method in this variable."
321 :group 'gnus-group-new
322 :type '(radio (function-item gnus-subscribe-randomly)
323 (function-item gnus-subscribe-alphabetically)
324 (function-item gnus-subscribe-hierarchically)
325 (function-item gnus-subscribe-interactively)
326 (function-item gnus-subscribe-killed)
327 (function-item gnus-subscribe-zombies)
328 (function-item gnus-subscribe-topics)
332 (defcustom gnus-subscribe-hierarchical-interactive nil
333 "*If non-nil, Gnus will offer to subscribe hierarchically.
334 When a new hierarchy appears, Gnus will ask the user:
336 'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
338 If the user pressed `d', Gnus will descend the hierarchy, `y' will
339 subscribe to all newsgroups in the hierarchy and `s' will skip this
340 hierarchy in its entirety."
341 :group 'gnus-group-new
344 (defcustom gnus-auto-subscribed-groups
345 "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl\\|^nnmaildir"
346 "*All new groups that match this regexp will be subscribed automatically.
347 Note that this variable only deals with new groups. It has no effect
348 whatsoever on old groups.
350 New groups that match this regexp will not be handled by
351 `gnus-subscribe-newsgroup-method'. Instead, they will
352 be subscribed using `gnus-subscribe-options-newsgroup-method'."
353 :group 'gnus-group-new
356 (defcustom gnus-options-subscribe nil
357 "*All new groups matching this regexp will be subscribed unconditionally.
358 Note that this variable deals only with new newsgroups. This variable
359 does not affect old newsgroups.
361 New groups that match this regexp will not be handled by
362 `gnus-subscribe-newsgroup-method'. Instead, they will
363 be subscribed using `gnus-subscribe-options-newsgroup-method'."
364 :group 'gnus-group-new
365 :type '(choice regexp
366 (const :tag "none" nil)))
368 (defcustom gnus-options-not-subscribe nil
369 "*All new groups matching this regexp will be ignored.
370 Note that this variable deals only with new newsgroups. This variable
371 does not affect old (already subscribed) newsgroups."
372 :group 'gnus-group-new
373 :type '(choice regexp
374 (const :tag "none" nil)))
376 (defcustom gnus-modtime-botch nil
377 "*Non-nil means .newsrc should be deleted prior to save.
378 Its use is due to the bogus appearance that .newsrc was modified on
383 (defcustom gnus-check-bogus-groups-hook nil
384 "A hook run after removing bogus groups."
385 :group 'gnus-start-server
388 (defcustom gnus-startup-hook nil
389 "A hook called at startup.
390 This hook is called after Gnus is connected to the NNTP server."
394 (defcustom gnus-before-startup-hook nil
395 "A hook called before startup.
396 This hook is called as the first thing when Gnus is started."
400 (defcustom gnus-started-hook nil
401 "A hook called as the last thing after startup."
405 (defcustom gnus-setup-news-hook
406 '(gnus-fixup-nnimap-unread-after-getting-new-news)
407 "A hook after reading the .newsrc file, but before generating the buffer."
411 (defcustom gnus-get-top-new-news-hook nil
412 "A hook run just before Gnus checks for new news globally."
414 :group 'gnus-group-new
417 (defcustom gnus-get-new-news-hook nil
418 "A hook run just before Gnus checks for new news."
419 :group 'gnus-group-new
422 (defcustom gnus-after-getting-new-news-hook
423 '(gnus-display-time-event-handler
424 gnus-fixup-nnimap-unread-after-getting-new-news)
425 "*A hook run after Gnus checks for new news when Gnus is already running."
426 :group 'gnus-group-new
429 (defcustom gnus-read-newsrc-el-hook nil
430 "A hook called after reading the newsrc.eld? file."
434 (defcustom gnus-save-newsrc-hook nil
435 "A hook called before saving any of the newsrc files."
439 (defcustom gnus-save-quick-newsrc-hook nil
440 "A hook called just before saving the quick newsrc file.
441 Can be used to turn version control on or off."
445 (defcustom gnus-save-standard-newsrc-hook nil
446 "A hook called just before saving the standard newsrc file.
447 Can be used to turn version control on or off."
451 (defcustom gnus-group-mode-hook nil
452 "Hook for Gnus group mode."
453 :group 'gnus-group-various
454 :options '(gnus-topic-mode)
457 (defcustom gnus-always-read-dribble-file nil
458 "Unconditionally read the dribble file."
462 ;;; Internal variables
464 ;; Fixme: deal with old emacs-mule when mm-universal-coding-system is
466 (defvar gnus-ding-file-coding-system mm-universal-coding-system
467 "Coding system for ding file.")
469 (defvar gnus-newsrc-file-version nil)
470 (defvar gnus-override-subscribe-method nil)
471 (defvar gnus-dribble-buffer nil)
472 (defvar gnus-newsrc-options nil
473 "Options line in the .newsrc file.")
475 (defvar gnus-newsrc-options-n nil
476 "List of regexps representing groups to be subscribed/ignored unconditionally.")
478 (defvar gnus-newsrc-last-checked-date nil
479 "Date Gnus last asked server for new newsgroups.")
481 (defvar gnus-current-startup-file nil
482 "Startup file for the current host.")
484 ;; Byte-compiler warning.
485 (defvar gnus-group-line-format)
487 ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
488 (defvar gnus-init-inhibit nil)
489 (defun gnus-read-init-file (&optional inhibit-next)
490 ;; Don't load .gnus if the -q option was used.
492 (if gnus-init-inhibit
493 (setq gnus-init-inhibit nil)
494 (setq gnus-init-inhibit inhibit-next)
495 (dolist (file (list gnus-site-init-file gnus-init-file))
497 (locate-library file))
498 (if (or debug-on-error debug-on-quit)
503 (error "Error in %s: %s" file (cadr var))))))))))
505 ;; For subscribing new newsgroup
507 (defun gnus-subscribe-hierarchical-interactive (groups)
508 (let ((groups (sort groups 'string<))
509 prefixes prefix start ans group starts real-group)
511 (setq prefixes (list "^"))
512 (while (and groups prefixes)
513 (while (not (string-match (car prefixes)
514 (gnus-group-real-name (car groups))))
515 (setq prefixes (cdr prefixes)))
516 (setq prefix (car prefixes))
517 (setq start (1- (length prefix)))
518 (if (and (string-match "[^\\.]\\." (gnus-group-real-name (car groups))
522 (concat "^" (substring
523 (gnus-group-real-name (car groups))
525 (string-match prefix (gnus-group-real-name (cadr groups))))
527 (push prefix prefixes)
528 (message "Descend hierarchy %s? ([y]nsq): "
529 (substring prefix 1 (1- (length prefix))))
530 (while (not (memq (setq ans (read-char-exclusive))
531 '(?y ?\n ?\r ?n ?s ?q)))
533 (message "Descend hierarchy %s? ([y]nsq): "
534 (substring prefix 1 (1- (length prefix)))))
537 (setq group (car groups)
538 real-group (gnus-group-real-name group))
539 (string-match prefix real-group))
540 (push group gnus-killed-list)
541 (gnus-sethash group group gnus-killed-hashtb)
542 (setq groups (cdr groups)))
543 (setq starts (cdr starts)))
546 (setq group (car groups)
547 real-group (gnus-group-real-name group))
548 (string-match prefix real-group))
549 (gnus-sethash group group gnus-killed-hashtb)
550 (gnus-subscribe-alphabetically (car groups))
551 (setq groups (cdr groups)))
552 (setq starts (cdr starts)))
555 (setq group (car groups))
556 (push group gnus-killed-list)
557 (gnus-sethash group group gnus-killed-hashtb)
558 (setq groups (cdr groups))))
560 (message "Subscribe %s? ([n]yq)" (car groups))
561 (while (not (memq (setq ans (read-char-exclusive))
562 '(?y ?\n ?\r ?q ?n)))
564 (message "Subscribe %s? ([n]yq)" (car groups)))
565 (setq group (car groups))
567 (gnus-subscribe-alphabetically (car groups))
568 (gnus-sethash group group gnus-killed-hashtb))
571 (setq group (car groups))
572 (push group gnus-killed-list)
573 (gnus-sethash group group gnus-killed-hashtb)
574 (setq groups (cdr groups))))
576 (push group gnus-killed-list)
577 (gnus-sethash group group gnus-killed-hashtb)))
578 (setq groups (cdr groups)))))))
580 (defun gnus-subscribe-randomly (newsgroup)
581 "Subscribe new NEWSGROUP by making it the first newsgroup."
582 (gnus-subscribe-newsgroup newsgroup))
584 (defun gnus-subscribe-alphabetically (newgroup)
585 "Subscribe new NEWGROUP and insert it in alphabetical order."
586 (let ((groups (cdr gnus-newsrc-alist))
588 (while (and (not before) groups)
589 (if (string< newgroup (caar groups))
590 (setq before (caar groups))
591 (setq groups (cdr groups))))
592 (gnus-subscribe-newsgroup newgroup before)))
594 (defun gnus-subscribe-hierarchically (newgroup)
595 "Subscribe new NEWGROUP and insert it in hierarchical newsgroup order."
596 ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
597 (with-current-buffer (nnheader-find-file-noselect gnus-current-startup-file)
599 (let ((groupkey newgroup) before)
600 (while (and (not before) groupkey)
601 (goto-char (point-min))
603 (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
604 (while (and (re-search-forward groupkey-re nil t)
606 (setq before (match-string 1))
607 (string< before newgroup)))))
608 ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
610 (when (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
611 (substring groupkey (match-beginning 1) (match-end 1)))))
612 (gnus-subscribe-newsgroup newgroup before))
613 (kill-buffer (current-buffer)))))
615 (defun gnus-subscribe-interactively (group)
616 "Subscribe the new GROUP interactively.
617 It is inserted in hierarchical newsgroup order if subscribed. If not,
619 (if (gnus-y-or-n-p (format "Subscribe new newsgroup %s? " group))
620 (gnus-subscribe-hierarchically group)
621 (push group gnus-killed-list)))
623 (defun gnus-subscribe-zombies (group)
624 "Make the new GROUP into a zombie group."
625 (push group gnus-zombie-list))
627 (defun gnus-subscribe-killed (group)
628 "Make the new GROUP a killed group."
629 (push group gnus-killed-list))
631 (defun gnus-subscribe-newsgroup (newsgroup &optional next)
632 "Subscribe new NEWSGROUP.
633 If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
634 the first newsgroup."
636 (goto-char (point-min))
637 ;; We subscribe the group by changing its level to `subscribed'.
638 (gnus-group-change-level
639 newsgroup gnus-level-default-subscribed
640 gnus-level-killed (gnus-group-entry (or next "dummy.group")))
641 (gnus-message 5 "Subscribe newsgroup: %s" newsgroup)
642 (run-hook-with-args 'gnus-subscribe-newsgroup-hooks newsgroup)
645 (defun gnus-read-active-file-p ()
646 "Say whether the active file has been read from `gnus-select-method'."
647 (memq gnus-select-method gnus-have-read-active-file))
649 ;;; General various misc type functions.
651 ;; Silence byte-compiler.
652 (defvar gnus-current-headers)
653 (defvar gnus-thread-indent-array)
654 (defvar gnus-newsgroup-name)
655 (defvar gnus-newsgroup-headers)
656 (defvar gnus-group-list-mode)
657 (defvar gnus-group-mark-positions)
658 (defvar gnus-newsgroup-data)
659 (defvar gnus-newsgroup-unreads)
660 (defvar nnoo-state-alist)
661 (defvar gnus-current-select-method)
662 (defvar mail-sources)
663 (defvar nnmail-scan-directory-mail-source-once)
664 (defvar nnmail-split-history)
665 (defvar nnmail-spool-file)
667 (defun gnus-close-all-servers ()
670 (dolist (server gnus-opened-servers)
671 (gnus-close-server (car server))))
673 (defun gnus-clear-system ()
674 "Clear all variables and buffers."
675 ;; Clear Gnus variables.
676 (let ((variables (remove 'gnus-format-specs gnus-variable-list)))
678 (set (car variables) nil)
679 (setq variables (cdr variables))))
680 ;; Clear other internal variables.
681 (setq gnus-list-of-killed-groups nil
682 gnus-have-read-active-file nil
683 gnus-agent-covered-methods nil
684 gnus-agent-file-loading-local nil
685 gnus-agent-file-loading-cache nil
686 gnus-server-method-cache nil
687 gnus-newsrc-alist nil
688 gnus-newsrc-hashtb nil
691 gnus-killed-hashtb nil
692 gnus-active-hashtb nil
693 gnus-moderated-hashtb nil
694 gnus-description-hashtb nil
695 gnus-current-headers nil
696 gnus-thread-indent-array nil
697 gnus-newsgroup-headers nil
698 gnus-newsgroup-name nil
699 gnus-server-alist nil
700 gnus-group-list-mode nil
701 gnus-opened-servers nil
702 gnus-group-mark-positions nil
703 gnus-newsgroup-data nil
704 gnus-newsgroup-unreads nil
706 gnus-current-select-method nil
707 nnmail-split-history nil
708 gnus-ephemeral-servers nil)
709 (gnus-shutdown 'gnus)
710 ;; Kill the startup file.
711 (and gnus-current-startup-file
712 (get-file-buffer gnus-current-startup-file)
713 (kill-buffer (get-file-buffer gnus-current-startup-file)))
714 ;; Clear the dribble buffer.
716 ;; Kill global KILL file buffer.
717 (when (get-file-buffer (gnus-newsgroup-kill-file nil))
718 (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil))))
719 (gnus-kill-buffer nntp-server-buffer)
720 ;; Kill Gnus buffers.
721 (dolist (buffer (gnus-buffers))
722 (gnus-kill-buffer buffer))
723 ;; Remove Gnus frames.
724 (gnus-kill-gnus-frames))
726 (defun gnus-no-server-1 (&optional arg slave)
728 If ARG is a positive number, Gnus will use that as the startup
729 level. If ARG is nil, Gnus will be started at level 2
730 \(`gnus-level-default-subscribed' minus one). If ARG is non-nil
731 and not a positive number, Gnus will prompt the user for the name
732 of an NNTP server to use. As opposed to \\[gnus], this command
733 will not connect to the local server."
735 (let ((val (or arg (1- gnus-level-default-subscribed))))
737 (make-local-variable 'gnus-group-use-permanent-levels)
738 (setq gnus-group-use-permanent-levels val)))
740 (defun gnus-1 (&optional arg dont-connect slave)
742 If ARG is non-nil and a positive number, Gnus will use that as the
743 startup level. If ARG is non-nil and not a positive number, Gnus will
744 prompt the user for the name of an NNTP server to use."
749 (switch-to-buffer gnus-group-buffer)
750 (gnus-group-get-new-news
753 (max (car gnus-group-list-mode) arg))))
757 (gnus-run-hooks 'gnus-before-startup-hook)
758 (nnheader-init-server-buffer)
759 (setq gnus-slave slave)
760 (gnus-read-init-file)
762 ;; Add "native" to gnus-predefined-server-alist just to have a
763 ;; name for the native select method.
764 (when gnus-select-method
765 (push (cons "native" gnus-select-method)
766 gnus-predefined-server-alist))
771 (when gnus-simple-splash
772 (setq gnus-simple-splash nil)
779 (let ((level (and (numberp arg) (> arg 0) arg))
785 (gnus-start-news-server (and arg (not level))))))
786 (if (and (not dont-connect)
789 (gnus-run-hooks 'gnus-startup-hook)
790 ;; NNTP server is successfully open.
792 ;; Find the current startup file name.
793 (setq gnus-current-startup-file
794 (gnus-make-newsrc-file gnus-startup-file))
796 ;; Read the dribble file.
797 (when (or gnus-slave gnus-use-dribble-file)
798 (gnus-dribble-read-file))
800 ;; Do the actual startup.
802 (gnus-request-create-group "queue" '(nndraft "")))
803 (gnus-request-create-group "drafts" '(nndraft ""))
804 (gnus-setup-news nil level dont-connect)
805 (gnus-run-hooks 'gnus-setup-news-hook)
806 (gnus-start-draft-setup)
807 ;; Generate the group buffer.
808 (gnus-group-list-groups level)
809 (gnus-group-first-unread-group)
810 (gnus-configure-windows 'group)
811 (gnus-group-set-mode-line)
812 (gnus-run-hooks 'gnus-started-hook))))))
814 (defun gnus-start-draft-setup ()
815 "Make sure the draft group exists."
817 (gnus-request-create-group "drafts" '(nndraft ""))
818 (unless (gnus-group-entry "nndraft:drafts")
819 (let ((gnus-level-default-subscribed 1))
820 (gnus-subscribe-group "nndraft:drafts" nil '(nndraft ""))))
821 (unless (equal (gnus-group-get-parameter "nndraft:drafts" 'gnus-dummy t)
822 '((gnus-draft-mode)))
823 (gnus-message 3 "Setting up drafts group")
824 (gnus-group-set-parameter
825 "nndraft:drafts" 'gnus-dummy '((gnus-draft-mode)))))
832 (defvar gnus-dribble-ignore nil)
833 (defvar gnus-dribble-eval-file nil)
835 (defun gnus-dribble-file-name ()
836 "Return the dribble file for the current .newsrc."
838 (if gnus-dribble-directory
839 (concat (file-name-as-directory gnus-dribble-directory)
840 (file-name-nondirectory gnus-current-startup-file))
841 gnus-current-startup-file)
844 (defun gnus-dribble-enter (string)
845 "Enter STRING into the dribble buffer."
846 (when (and (not gnus-dribble-ignore)
848 (buffer-name gnus-dribble-buffer))
849 (let ((obuf (current-buffer)))
850 (set-buffer gnus-dribble-buffer)
851 (goto-char (point-max))
853 ;; This has been commented by Josh Huber <huber@alum.wpi.edu>
854 ;; It causes problems with both XEmacs and Emacs 21, and doesn't
855 ;; seem to be of much value. (FIXME: remove this after we make sure
857 ;; (set-window-point (get-buffer-window (current-buffer)) (point-max))
858 (bury-buffer gnus-dribble-buffer)
859 (with-current-buffer gnus-group-buffer
860 (gnus-group-set-mode-line))
863 (defun gnus-dribble-touch ()
864 "Touch the dribble buffer."
865 (gnus-dribble-enter ""))
867 (defun gnus-dribble-read-file ()
868 "Read the dribble file from disk."
869 (let ((dribble-file (gnus-dribble-file-name)))
870 (unless (file-exists-p (file-name-directory dribble-file))
871 (make-directory (file-name-directory dribble-file) t))
872 (with-current-buffer (setq gnus-dribble-buffer
873 (gnus-get-buffer-create
874 (file-name-nondirectory dribble-file)))
875 (set (make-local-variable 'file-precious-flag) t)
877 (setq buffer-file-name dribble-file)
879 (buffer-disable-undo)
880 (bury-buffer (current-buffer))
881 (set-buffer-modified-p nil)
882 (let ((auto (make-auto-save-file-name))
883 (gnus-dribble-ignore t)
886 (when (or (file-exists-p auto) (file-exists-p dribble-file))
887 ;; Load whichever file is newest -- the auto save file
888 ;; or the "real" file.
889 (if (file-newer-than-file-p auto dribble-file)
890 (nnheader-insert-file-contents auto)
891 (nnheader-insert-file-contents dribble-file))
892 (unless (zerop (buffer-size))
893 (set-buffer-modified-p t))
894 ;; Set the file modes to reflect the .newsrc file modes.
896 (when (and (file-exists-p gnus-current-startup-file)
897 (file-exists-p dribble-file)
898 (setq modes (file-modes gnus-current-startup-file)))
899 (gnus-set-file-modes dribble-file modes))
900 (goto-char (point-min))
901 (when (search-forward "Gnus was exited on purpose" nil t)
903 ;; Possibly eval the file later.
904 (when (or gnus-always-read-dribble-file
907 "Gnus exited on purpose without saving; read auto-save file anyway? "
908 "Gnus auto-save file exists. Do you want to read it? ")))
909 (setq gnus-dribble-eval-file t)))))))
911 (defun gnus-dribble-eval-file ()
912 (when gnus-dribble-eval-file
913 (setq gnus-dribble-eval-file nil)
915 (let ((gnus-dribble-ignore t))
916 (set-buffer gnus-dribble-buffer)
917 (eval-buffer (current-buffer))))))
919 (defun gnus-dribble-delete-file ()
920 (when (file-exists-p (gnus-dribble-file-name))
921 (delete-file (gnus-dribble-file-name)))
922 (when gnus-dribble-buffer
923 (with-current-buffer gnus-dribble-buffer
924 (let ((auto (make-auto-save-file-name)))
925 (when (file-exists-p auto)
928 (set-buffer-modified-p nil)))))
930 (defun gnus-dribble-save ()
931 (when (and gnus-dribble-buffer
932 (buffer-name gnus-dribble-buffer))
933 (with-current-buffer gnus-dribble-buffer
936 (defun gnus-dribble-clear ()
937 (when (gnus-buffer-exists-p gnus-dribble-buffer)
938 (with-current-buffer gnus-dribble-buffer
940 (set-buffer-modified-p nil)
941 (setq buffer-saved-size (buffer-size)))))
945 ;;; Active & Newsrc File Handling
948 (defun gnus-setup-news (&optional rawfile level dont-connect)
949 "Setup news information.
950 If RAWFILE is non-nil, the .newsrc file will also be read.
951 If LEVEL is non-nil, the news will be set up at level LEVEL."
953 (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile))))
954 ;; Binding this variable will inhibit multiple fetchings
955 ;; of the same mail source.
956 (nnmail-fetched-sources (list t)))
959 ;; Clear some variables to re-initialize news information.
960 (setq gnus-newsrc-alist nil
961 gnus-active-hashtb nil)
962 ;; Read the newsrc file and create `gnus-newsrc-hashtb'.
963 (gnus-read-newsrc-file rawfile))
965 ;; Make sure the archive server is available to all and sundry.
966 (let ((method (or (and (stringp gnus-message-archive-method)
967 (gnus-server-to-method
968 gnus-message-archive-method))
969 gnus-message-archive-method)))
970 ;; Check whether the archive method is writable.
971 (unless (or (not method)
973 (memq 'respool (assoc (format "%s" (car method))
974 gnus-valid-select-methods)))
975 (setq method "archive")) ;; The default.
976 (when (stringp method)
977 (setq method `(nnfolder
980 ,(nnheader-concat message-directory method))
981 (nnfolder-active-file
982 ,(nnheader-concat message-directory
983 (concat method "/active")))
984 (nnfolder-get-new-mail nil)
985 (nnfolder-inhibit-expiry t))))
986 (if (assoc "archive" gnus-server-alist)
987 (when gnus-update-message-archive-method
989 (setcdr (assoc "archive" gnus-server-alist) method)
990 (setq gnus-server-alist (delq (assoc "archive" gnus-server-alist)
991 gnus-server-alist))))
993 (push (cons "archive" method) gnus-server-alist))))
995 ;; If we don't read the complete active file, we fill in the
997 (when (or (null gnus-read-active-file)
998 (eq gnus-read-active-file 'some))
999 (gnus-update-active-hashtb-from-killed))
1001 ;; Validate agent covered methods now that gnus-server-alist has
1002 ;; been initialized.
1003 ;; NOTE: This is here for one purpose only. By validating the
1004 ;; agentized server's, it converts the old 5.10.3, and earlier,
1005 ;; format to the current format. That enables the agent code
1006 ;; within gnus-read-active-file to function correctly.
1008 (gnus-agent-read-servers-validate))
1010 ;; Read the active file and create `gnus-active-hashtb'.
1011 ;; If `gnus-read-active-file' is nil, then we just create an empty
1012 ;; hash table. The partial filling out of the hash table will be
1013 ;; done in `gnus-get-unread-articles'.
1014 (and gnus-read-active-file
1016 (gnus-read-active-file nil dont-connect))
1018 (unless gnus-active-hashtb
1019 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1021 ;; Initialize the cache.
1022 (when gnus-use-cache
1025 ;; Possibly eval the dribble file.
1027 (or gnus-use-dribble-file gnus-slave)
1028 (gnus-dribble-eval-file))
1030 ;; Slave Gnusii should then clear the dribble buffer.
1031 (when (and init gnus-slave)
1032 (gnus-dribble-clear))
1034 (gnus-update-format-specifications)
1036 ;; See whether we need to read the description file.
1037 (when (and (boundp 'gnus-group-line-format)
1038 (stringp gnus-group-line-format)
1039 (let ((case-fold-search nil))
1040 (string-match "%[-,0-9]*D" gnus-group-line-format))
1041 (not gnus-description-hashtb)
1043 gnus-read-active-file)
1044 (gnus-read-all-descriptions-files))
1046 ;; Find new newsgroups and treat them.
1047 (when (and init gnus-check-new-newsgroups (not level)
1048 (gnus-check-server gnus-select-method)
1051 (gnus-find-new-newsgroups))
1053 ;; Check and remove bogus newsgroups.
1054 (when (and init gnus-check-bogus-newsgroups
1055 gnus-read-active-file (not level)
1056 (gnus-server-opened gnus-select-method))
1057 (gnus-check-bogus-newsgroups))
1059 ;; We might read in new NoCeM messages here.
1060 (when (and (not dont-connect)
1062 (or (and (numberp gnus-use-nocem)
1064 (>= level gnus-use-nocem))
1066 (gnus-nocem-scan-groups))
1068 ;; Read any slave files.
1069 (gnus-master-read-slave-newsrc)
1071 ;; Find the number of unread articles in each non-dead group.
1072 (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
1073 (gnus-get-unread-articles level))))
1075 (defun gnus-call-subscribe-functions (method group)
1076 "Call METHOD to subscribe GROUP.
1077 If no function returns `non-nil', call `gnus-subscribe-zombies'."
1080 (funcall method group))
1083 (dolist (func method)
1084 (if (funcall func group)
1088 (gnus-subscribe-zombies group)))
1090 (defun gnus-find-new-newsgroups (&optional arg)
1091 "Search for new newsgroups and add them.
1092 Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method'.
1093 The `-n' option line from .newsrc is respected.
1095 With 1 C-u, use the `ask-server' method to query the server for new
1097 With 2 C-u's, use most complete method possible to query the server
1098 for new groups, and subscribe the new groups as zombies."
1100 (let* ((gnus-subscribe-newsgroup-method
1101 gnus-subscribe-newsgroup-method)
1103 ((or (and (= (or arg 1) 4)
1104 (not (listp gnus-check-new-newsgroups)))
1105 (null gnus-read-active-file)
1106 (eq gnus-read-active-file 'some))
1109 (setq gnus-subscribe-newsgroup-method
1110 'gnus-subscribe-zombies)
1112 (t gnus-check-new-newsgroups))))
1113 (unless (gnus-check-first-time-used)
1114 (if (or (consp check)
1115 (eq check 'ask-server))
1116 ;; Ask the server for new groups.
1117 (gnus-ask-server-for-new-groups)
1118 ;; Go through the active hashtb and look for new groups.
1120 group new-newsgroups)
1121 (gnus-message 5 "Looking for new newsgroups...")
1122 (unless gnus-have-read-active-file
1123 (gnus-read-active-file))
1124 (setq gnus-newsrc-last-checked-date (message-make-date))
1125 (unless gnus-killed-hashtb
1126 (gnus-make-hashtable-from-killed))
1127 ;; Go though every newsgroup in `gnus-active-hashtb' and compare
1128 ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
1131 (if (or (null (setq group (symbol-name sym)))
1133 (null (symbol-value sym))
1134 (gnus-gethash group gnus-killed-hashtb)
1135 (gnus-gethash group gnus-newsrc-hashtb))
1137 (let ((do-sub (gnus-matches-options-n group)))
1139 ((eq do-sub 'subscribe)
1140 (setq groups (1+ groups))
1141 (gnus-sethash group group gnus-killed-hashtb)
1142 (gnus-call-subscribe-functions
1143 gnus-subscribe-options-newsgroup-method group))
1144 ((eq do-sub 'ignore)
1147 (setq groups (1+ groups))
1148 (gnus-sethash group group gnus-killed-hashtb)
1149 (if gnus-subscribe-hierarchical-interactive
1150 (push group new-newsgroups)
1151 (gnus-call-subscribe-functions
1152 gnus-subscribe-newsgroup-method group)))))))
1154 (when new-newsgroups
1155 (gnus-subscribe-hierarchical-interactive new-newsgroups))
1157 (gnus-message 5 "%d new newsgroup%s arrived."
1158 groups (if (> groups 1) "s have" " has"))
1159 (gnus-message 5 "No new newsgroups.")))))))
1161 (defun gnus-matches-options-n (group)
1162 ;; Returns `subscribe' if the group is to be unconditionally
1163 ;; subscribed, `ignore' if it is to be ignored, and nil if there is
1164 ;; no match for the group.
1166 ;; First we check the two user variables.
1168 ((and gnus-options-subscribe
1169 (string-match gnus-options-subscribe group))
1171 ((and gnus-auto-subscribed-groups
1172 (string-match gnus-auto-subscribed-groups group))
1174 ((and gnus-options-not-subscribe
1175 (string-match gnus-options-not-subscribe group))
1177 ;; Then we go through the list that was retrieved from the .newsrc
1178 ;; file. This list has elements on the form
1179 ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
1180 ;; is in the reverse order of the options line) is returned.
1182 (let ((regs gnus-newsrc-options-n))
1184 (not (string-match (caar regs) group)))
1185 (setq regs (cdr regs)))
1186 (and regs (cdar regs))))))
1188 (defun gnus-ask-server-for-new-groups ()
1189 (let* ((new-date (message-make-date))
1190 (date (or gnus-newsrc-last-checked-date new-date))
1191 (methods (cons gnus-select-method
1193 (when (gnus-archive-server-wanted-p)
1196 (and (consp gnus-check-new-newsgroups)
1197 gnus-check-new-newsgroups)
1198 gnus-secondary-select-methods))))
1200 group new-newsgroups got-new method hashtb
1201 gnus-override-subscribe-method)
1202 (unless gnus-killed-hashtb
1203 (gnus-make-hashtable-from-killed))
1204 ;; Go through both primary and secondary select methods and
1205 ;; request new newsgroups.
1206 (while (setq method (gnus-server-get-method nil (pop methods)))
1207 (setq new-newsgroups nil
1208 gnus-override-subscribe-method method)
1209 (when (and (gnus-check-server method)
1210 (gnus-request-newgroups date method))
1213 hashtb (gnus-make-hashtable 100))
1214 (set-buffer nntp-server-buffer)
1215 ;; Enter all the new groups into a hashtable.
1216 (gnus-active-to-gnus-format method hashtb 'ignore))
1217 ;; Now all new groups from `method' are in `hashtb'.
1220 (if (or (null (setq group (symbol-name group-sym)))
1221 (not (boundp group-sym))
1222 (null (symbol-value group-sym))
1223 (gnus-gethash group gnus-newsrc-hashtb)
1224 (member group gnus-zombie-list)
1225 (member group gnus-killed-list))
1226 ;; The group is already known.
1228 ;; Make this group active.
1229 (when (symbol-value group-sym)
1230 (gnus-set-active group (symbol-value group-sym)))
1231 ;; Check whether we want it or not.
1232 (let ((do-sub (gnus-matches-options-n group)))
1234 ((eq do-sub 'subscribe)
1236 (gnus-sethash group group gnus-killed-hashtb)
1237 (gnus-call-subscribe-functions
1238 gnus-subscribe-options-newsgroup-method group))
1239 ((eq do-sub 'ignore)
1243 (gnus-sethash group group gnus-killed-hashtb)
1244 (if gnus-subscribe-hierarchical-interactive
1245 (push group new-newsgroups)
1246 (gnus-call-subscribe-functions
1247 gnus-subscribe-newsgroup-method group)))))))
1249 (when new-newsgroups
1250 (gnus-subscribe-hierarchical-interactive new-newsgroups)))
1252 (gnus-message 5 "%d new newsgroup%s arrived"
1253 groups (if (> groups 1) "s have" " has"))
1254 (gnus-message 5 "No new newsgroups"))
1256 (setq gnus-newsrc-last-checked-date new-date))
1259 (defun gnus-check-first-time-used ()
1261 ;; First check if any of the following files exist. If they do,
1262 ;; it's not the first time the user has used Gnus.
1263 (dolist (file (list (concat gnus-current-startup-file ".el")
1264 (concat gnus-current-startup-file ".eld")
1265 (concat gnus-startup-file ".el")
1266 (concat gnus-startup-file ".eld")))
1267 (when (file-exists-p file)
1268 (throw 'ended nil)))
1269 (gnus-message 6 "First time user; subscribing you to default groups")
1270 (unless (gnus-read-active-file-p)
1271 (let ((gnus-read-active-file t))
1272 (gnus-read-active-file)))
1273 (setq gnus-newsrc-last-checked-date (message-make-date))
1274 ;; Subscribe to the default newsgroups.
1275 (let ((groups (or gnus-default-subscribed-newsgroups
1276 gnus-backup-default-subscribed-newsgroups))
1279 ;; If t, we subscribe (or not) all groups as if they were new.
1282 (when (setq group (symbol-name sym))
1283 (let ((do-sub (gnus-matches-options-n group)))
1285 ((eq do-sub 'subscribe)
1286 (gnus-sethash group group gnus-killed-hashtb)
1287 (gnus-call-subscribe-functions
1288 gnus-subscribe-options-newsgroup-method group))
1289 ((eq do-sub 'ignore)
1292 (push group gnus-killed-list))))))
1294 (dolist (group groups)
1295 ;; Only subscribe the default groups that are activated.
1296 (when (gnus-active group)
1297 (gnus-group-change-level
1298 group gnus-level-default-subscribed gnus-level-killed)))
1299 (with-current-buffer gnus-group-buffer
1300 ;; Don't error if the group already exists. This happens when a
1301 ;; first-time user types 'F'. -- didier
1302 (gnus-group-make-help-group t))
1303 (when gnus-novice-user
1304 (gnus-message 7 "`A k' to list killed groups"))))))
1306 (defun gnus-subscribe-group (group &optional previous method)
1307 "Subscribe GROUP and put it after PREVIOUS."
1308 (gnus-group-change-level
1310 (list t group gnus-level-default-subscribed nil nil method)
1312 gnus-level-default-subscribed gnus-level-killed previous t)
1315 ;; `gnus-group-change-level' is the fundamental function for changing
1316 ;; subscription levels of newsgroups. This might mean just changing
1317 ;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back
1318 ;; again, which subscribes/unsubscribes a group, which is equally
1319 ;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and
1320 ;; from 8-9 to 1-7 means that you remove the group from the list of
1321 ;; killed (or zombie) groups and add them to the (kinda) subscribed
1322 ;; groups. And last but not least, moving from 8 to 9 and 9 to 8,
1323 ;; which is trivial.
1324 ;; ENTRY can either be a string (newsgroup name) or a list (if
1325 ;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST),
1326 ;; otherwise it's a list in the format of the `gnus-newsrc-hashtb'
1328 ;; LEVEL is the new level of the group, OLDLEVEL is the old level and
1329 ;; PREVIOUS is the group (in hashtb entry format) to insert this group
1331 (defun gnus-group-change-level (entry level &optional oldlevel
1332 previous fromkilled)
1333 (let (group info active num)
1334 ;; Glean what info we can from the arguments
1336 (if fromkilled (setq group (nth 1 entry))
1337 (setq group (car (nth 2 entry))))
1339 (when (and (stringp entry)
1341 (< oldlevel gnus-level-zombie))
1342 (setq entry (gnus-group-entry entry)))
1343 (if (and (not oldlevel)
1345 (setq oldlevel (gnus-info-level (nth 2 entry)))
1346 (setq oldlevel (or oldlevel gnus-level-killed)))
1347 (when (stringp previous)
1348 (setq previous (gnus-group-entry previous)))
1350 (if (and (>= oldlevel gnus-level-zombie)
1351 (gnus-group-entry group))
1352 ;; We are trying to subscribe a group that is already
1356 (unless (gnus-ephemeral-group-p group)
1358 (format "(gnus-group-change-level %S %S %S %S %S)"
1359 group level oldlevel (car (nth 2 previous)) fromkilled)))
1361 ;; Then we remove the newgroup from any old structures, if needed.
1362 ;; If the group was killed, we remove it from the killed or zombie
1363 ;; list. If not, and it is in fact going to be killed, we remove
1364 ;; it from the newsrc hash table and assoc.
1366 ((>= oldlevel gnus-level-zombie)
1367 ;; oldlevel could be wrong.
1368 (setq gnus-zombie-list (delete group gnus-zombie-list))
1369 (setq gnus-killed-list (delete group gnus-killed-list)))
1371 (when (and (>= level gnus-level-zombie)
1373 (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb)
1375 (setcdr (gnus-group-entry (car (nth 3 entry)))
1377 (setcdr (cdr entry) (cdddr entry)))))
1379 ;; Finally we enter (if needed) the list where it is supposed to
1380 ;; go, and change the subscription level. If it is to be killed,
1381 ;; we enter it into the killed or zombie list.
1383 ((>= level gnus-level-zombie)
1384 ;; Remove from the hash table.
1385 (gnus-sethash group nil gnus-newsrc-hashtb)
1386 ;; We do not enter foreign groups into the list of dead
1388 (unless (gnus-group-foreign-p group)
1389 (if (= level gnus-level-zombie)
1390 (push group gnus-zombie-list)
1391 (if (= oldlevel gnus-level-killed)
1392 ;; Remove from active hashtb.
1393 (unintern group gnus-active-hashtb)
1394 ;; Don't add it into killed-list if it was killed.
1395 (push group gnus-killed-list)))))
1397 ;; If the list is to be entered into the newsrc assoc, and
1398 ;; it was killed, we have to create an entry in the newsrc
1399 ;; hashtb format and fix the pointers in the newsrc assoc.
1400 (if (< oldlevel gnus-level-zombie)
1401 ;; It was alive, and it is going to stay alive, so we
1402 ;; just change the level and don't change any pointers or
1403 ;; hash table entries.
1404 (setcar (cdaddr entry) level)
1406 (setq info (cdr entry)
1408 (setq active (gnus-active group))
1410 (if active (- (1+ (cdr active)) (car active)) t))
1411 ;; Shorten the select method if possible, if we need to
1412 ;; store it at all (native groups).
1413 (let ((method (gnus-method-simplify
1414 (or gnus-override-subscribe-method
1415 (gnus-group-method group)))))
1417 (setq info (list group level nil nil method))
1418 (setq info (list group level nil)))))
1421 (let ((p gnus-newsrc-alist))
1425 (setq entry (cons info (cddr previous)))
1428 (setcdr (cdr previous) entry)
1429 (gnus-sethash group (cons num (cdr previous))
1430 gnus-newsrc-hashtb))
1431 (setcdr previous entry)
1432 (gnus-sethash group (cons num previous)
1433 gnus-newsrc-hashtb))
1435 (setcdr (gnus-group-entry (caadr entry)) entry))
1438 "(gnus-group-set-info '%S)" info)))))
1439 (when gnus-group-change-level-function
1440 (funcall gnus-group-change-level-function
1441 group level oldlevel previous)))))
1443 (defun gnus-kill-newsgroup (newsgroup)
1444 "Obsolete function. Kills a newsgroup."
1445 (gnus-group-change-level
1446 (gnus-group-entry newsgroup) gnus-level-killed))
1448 (defun gnus-check-bogus-newsgroups (&optional confirm)
1449 "Remove bogus newsgroups.
1450 If CONFIRM is non-nil, the user has to confirm the deletion of every
1452 (let ((newsrc (cdr gnus-newsrc-alist))
1453 bogus group entry info)
1454 (gnus-message 5 "Checking bogus newsgroups...")
1455 (unless (gnus-read-active-file-p)
1456 (gnus-read-active-file t))
1457 (when (gnus-read-active-file-p)
1458 ;; Find all bogus newsgroup that are subscribed.
1460 (setq info (pop newsrc)
1461 group (gnus-info-group info))
1462 (unless (or (gnus-active group) ; Active
1463 (and (gnus-info-method info)
1464 (not (gnus-secondary-method-p
1465 (gnus-info-method info))))) ; Foreign
1466 ;; Found a bogus newsgroup.
1467 (push group bogus)))
1470 "Remove bogus group %s? "
1472 ;; Remove all bogus subscribed groups by first killing them, and
1473 ;; then removing them from the list of killed groups.
1474 (when (setq entry (gnus-group-entry group))
1475 (gnus-group-change-level entry gnus-level-killed)
1476 (setq gnus-killed-list (delete group gnus-killed-list))))
1477 bogus '("group" "groups" "remove"))
1478 (while (setq group (pop bogus))
1479 ;; Remove all bogus subscribed groups by first killing them, and
1480 ;; then removing them from the list of killed groups.
1481 (when (setq entry (gnus-group-entry group))
1482 (gnus-group-change-level entry gnus-level-killed)
1483 (setq gnus-killed-list (delete group gnus-killed-list)))))
1484 ;; Then we remove all bogus groups from the list of killed and
1485 ;; zombie groups. They are removed without confirmation.
1486 (let ((dead-lists '(gnus-killed-list gnus-zombie-list))
1489 (setq killed (symbol-value (car dead-lists)))
1491 (unless (gnus-active (setq group (pop killed)))
1492 ;; The group is bogus.
1494 (set (car dead-lists)
1495 (delete group (symbol-value (car dead-lists))))))
1496 (setq dead-lists (cdr dead-lists))))
1497 (gnus-run-hooks 'gnus-check-bogus-groups-hook)
1498 (gnus-message 5 "Checking bogus newsgroups...done"))))
1500 (defun gnus-check-duplicate-killed-groups ()
1501 "Remove duplicates from the list of killed groups."
1503 (let ((killed gnus-killed-list))
1505 (gnus-message 9 "%d" (length killed))
1506 (setcdr killed (delete (car killed) (cdr killed)))
1507 (setq killed (cdr killed)))))
1509 ;; We want to inline a function from gnus-cache, so we cheat here:
1510 (defvar gnus-cache-active-hashtb)
1512 (defun gnus-cache-possibly-alter-active (group active)
1513 "Alter the ACTIVE info for GROUP to reflect the articles in the cache."
1514 (when gnus-cache-active-hashtb
1515 (let ((cache-active (gnus-gethash group gnus-cache-active-hashtb)))
1517 (when (< (car cache-active) (car active))
1518 (setcar active (car cache-active)))
1519 (when (> (cdr cache-active) (cdr active))
1520 (setcdr active (cdr cache-active))))))))
1522 (defun gnus-activate-group (group &optional scan dont-check method
1524 "Check whether a group has been activated or not.
1525 If SCAN, request a scan of that group as well."
1526 (let ((method (or method (inline (gnus-find-method-for-group group))))
1528 (and (inline (gnus-check-server method))
1529 ;; We escape all bugs and quit here to make it possible to
1530 ;; continue if a group is so out-there that it reports bugs
1534 (gnus-check-backend-function 'request-scan (car method))
1535 (gnus-request-scan group method))
1537 (if (or debug-on-error debug-on-quit)
1538 (inline (gnus-request-group group (or dont-sub-check dont-check)
1541 (inline (gnus-request-group group (or dont-sub-check dont-check)
1545 (message "Quit activating %s" group)
1548 (setq active (gnus-parse-active))
1549 ;; If there are no articles in the group, the GROUP
1550 ;; command may have responded with the `(0 . 0)'. We
1551 ;; ignore this if we already have an active entry
1553 (if (and (zerop (or (car active) 0))
1554 (zerop (or (cdr active) 0))
1555 (gnus-active group))
1558 ;; If a cache is present, we may have to alter the active info.
1559 (when gnus-use-cache
1560 (inline (gnus-cache-possibly-alter-active
1563 ;; If the agent is enabled, we may have to alter the active info.
1565 (gnus-agent-possibly-alter-active group active))
1567 (gnus-set-active group active)
1568 ;; Return the new active info.
1571 (defun gnus-get-unread-articles-in-group (info active &optional update)
1572 (when (and info active)
1573 ;; Allow the backend to update the info in the group.
1575 (gnus-request-update-info
1576 info (inline (gnus-find-method-for-group
1577 (gnus-info-group info)))))
1578 (gnus-activate-group (gnus-info-group info) nil t))
1580 (let* ((range (gnus-info-read info))
1583 ;; These checks are present in gnus-activate-group but skipped
1584 ;; due to setting dont-check in the preceeding call.
1586 ;; If a cache is present, we may have to alter the active info.
1587 (when (and gnus-use-cache info)
1588 (inline (gnus-cache-possibly-alter-active
1589 (gnus-info-group info) active)))
1591 ;; If the agent is enabled, we may have to alter the active info.
1592 (when (and gnus-agent info)
1593 (gnus-agent-possibly-alter-active (gnus-info-group info) active info))
1595 ;; Modify the list of read articles according to what articles
1596 ;; are available; then tally the unread articles and add the
1597 ;; number to the group hash table entry.
1599 ((zerop (cdr active))
1602 (setq num (- (1+ (cdr active)) (car active))))
1603 ((not (listp (cdr range)))
1604 ;; Fix a single (num . num) range according to the
1605 ;; active hash table.
1606 ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>.
1607 (and (< (cdr range) (car active)) (setcdr range (1- (car active))))
1608 (and (> (cdr range) (cdr active)) (setcdr range (cdr active)))
1609 ;; Compute number of unread articles.
1610 (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range))))))
1612 ;; The read list is a list of ranges. Fix them according to
1613 ;; the active hash table.
1614 ;; First peel off any elements that are below the lower
1616 (while (and (cdr range)
1618 (or (and (atom (cadr range)) (cadr range))
1620 (if (numberp (car range))
1623 (or (and (numberp (cadr range))
1627 (or (and (numberp (nth 1 range)) (nth 1 range))
1629 (setcdr range (cddr range)))
1630 ;; Adjust the first element to be the same as the lower limit.
1631 (when (and (not (atom (car range)))
1632 (< (cdar range) (car active)))
1633 (setcdr (car range) (1- (car active))))
1634 ;; Then we want to peel off any elements that are higher
1635 ;; than the upper active limit.
1636 (let ((srange range))
1637 ;; Go past all valid elements.
1638 (while (and (cdr srange)
1639 (<= (or (and (atom (cadr srange))
1643 (setq srange (cdr srange)))
1645 ;; Nuke all remaining invalid elements.
1646 (setcdr srange nil))
1648 ;; Adjust the final element.
1649 (when (and (not (atom (car srange)))
1650 (> (cdar srange) (cdr active)))
1651 (setcdr (car srange) (cdr active))))
1652 ;; Compute the number of unread articles.
1654 (setq num (+ num (- (1+ (or (and (atom (car range)) (car range))
1656 (or (and (atom (car range)) (car range))
1658 (setq range (cdr range)))
1659 (setq num (max 0 (- (cdr active) num)))))
1660 ;; Set the number of unread articles.
1662 (gnus-group-entry (gnus-info-group info)))
1663 (setcar (gnus-group-entry (gnus-info-group info)) num))
1666 ;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb'
1667 ;; and compute how many unread articles there are in each group.
1668 (defun gnus-get-unread-articles (&optional level)
1669 (setq gnus-server-method-cache nil)
1670 (let* ((newsrc (cdr gnus-newsrc-alist))
1671 (alevel (or level gnus-activate-level (1+ gnus-level-subscribed)))
1676 (cond ((and gnus-activate-foreign-newsgroups
1677 (not (numberp gnus-activate-foreign-newsgroups)))
1678 (1+ gnus-level-subscribed))
1679 ((numberp gnus-activate-foreign-newsgroups)
1680 gnus-activate-foreign-newsgroups)
1685 (gnus-agent-article-local-times 0)
1686 (archive-method (gnus-server-to-method "archive"))
1687 infos info group active method cmethod
1688 method-type method-group-list entry)
1689 (gnus-message 6 "Checking new news...")
1692 (setq active (gnus-active (setq group (gnus-info-group
1693 (setq info (pop newsrc))))))
1695 ;; Check newsgroups. If the user doesn't want to check them, or
1696 ;; they can't be checked (for instance, if the news server can't
1697 ;; be reached) we just set the number of unread articles in this
1698 ;; newsgroup to t. This means that Gnus thinks that there are
1699 ;; unread articles, but it has no idea how many.
1701 ;; To be more explicit:
1702 ;; >0 for an active group with messages
1703 ;; 0 for an active group with no unread messages
1704 ;; nil for non-foreign groups that the user has requested not be checked
1705 ;; t for unchecked foreign groups or bogus groups, or groups that can't
1706 ;; be checked, for one reason or other.
1708 ;; First go through all the groups, see what select methods they
1709 ;; belong to, and then collect them into lists per unique select
1711 (if (not (setq method (gnus-info-method info)))
1712 (setq method gnus-select-method)
1713 (if (setq cmethod (assoc method methods-cache))
1714 (setq method (cdr cmethod))
1715 (setq cmethod (inline (gnus-server-get-method nil method)))
1716 (push (cons method cmethod) methods-cache)
1717 (setq method cmethod)))
1718 (setq method-group-list (assoc method type-cache))
1719 (unless method-group-list
1722 ((or (gnus-secondary-method-p method)
1723 (and (gnus-archive-server-wanted-p)
1724 (gnus-methods-equal-p archive-method method)))
1726 ((inline (gnus-server-equal gnus-select-method method))
1730 (push (setq method-group-list (list method method-type nil nil))
1732 ;; Only add groups that need updating.
1733 (if (<= (gnus-info-level info)
1734 (if (eq (cadr method-group-list) 'foreign)
1737 (setcar (nthcdr 2 method-group-list)
1738 (cons info (nth 2 method-group-list)))
1739 ;; The group is inactive, so we nix out the number of unread articles.
1740 ;; It leads `(gnus-group-unread group)' to return t. See also
1741 ;; `gnus-group-prepare-flat'.
1743 (when (setq entry (gnus-group-entry group))
1744 (setcar entry t)))))
1746 ;; Sort the methods based so that the primary and secondary
1747 ;; methods come first. This is done for legacy reasons to try to
1748 ;; ensure that side-effect behaviour doesn't change from previous
1751 (sort (nreverse type-cache)
1753 (< (gnus-method-rank (cadr c1) (car c1))
1754 (gnus-method-rank (cadr c2) (car c2))))))
1756 ;; Start early async retrieval of data.
1757 (dolist (elem type-cache)
1758 (destructuring-bind (method method-type infos dummy) elem
1759 (when (and method infos
1760 (gnus-check-backend-function
1761 'retrieve-group-data-early (car method)))
1762 (when (gnus-check-backend-function 'request-scan (car method))
1763 (dolist (info infos)
1764 (gnus-request-scan (gnus-info-group info) method)))
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 ;; See if any of the groups from this method require updating.
1773 (gnus-read-active-for-groups method infos early-data)
1774 (dolist (info infos)
1775 (inline (gnus-get-unread-articles-in-group
1776 info (gnus-active (gnus-info-group info))))))))
1777 (gnus-message 6 "Checking new news...done")))
1779 (defun gnus-method-rank (type method)
1781 ;; Get info for virtual groups last.
1782 ((eq (car method) 'nnvirtual)
1786 ;; Compute the rank of the secondary methods based on where they
1787 ;; are in the secondary select list.
1788 ((eq type 'secondary)
1791 (dolist (smethod gnus-secondary-select-methods)
1792 (when (equal method smethod)
1796 ;; Just say that all foreign groups have the same rank.
1800 (defun gnus-read-active-for-groups (method infos early-data)
1801 (with-current-buffer nntp-server-buffer
1803 ((gnus-check-backend-function 'finish-retrieve-group-infos (car method))
1804 (gnus-finish-retrieve-group-infos method infos early-data))
1805 ((gnus-check-backend-function 'retrieve-groups (car method))
1806 (when (gnus-check-backend-function 'request-scan (car method))
1807 (dolist (info infos)
1808 (gnus-request-scan (gnus-info-group info) method)))
1810 (gnus-read-active-file-2
1811 (dolist (info infos (nreverse groups))
1812 (push (gnus-group-real-name (gnus-info-group info)) groups))
1814 ((gnus-check-backend-function 'request-list (car method))
1815 (gnus-read-active-file-1 method nil infos))
1817 (dolist (info infos)
1818 (gnus-activate-group (gnus-info-group info) nil nil method t))))))
1820 ;; Create a hash table out of the newsrc alist. The `car's of the
1821 ;; alist elements are used as keys.
1822 (defun gnus-make-hashtable-from-newsrc-alist ()
1823 (let ((alist gnus-newsrc-alist)
1824 (ohashtb gnus-newsrc-hashtb)
1825 prev info method rest methods)
1826 (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
1828 (setq prev (setq gnus-newsrc-alist
1829 (if (equal (caar gnus-newsrc-alist)
1832 (cons (list "dummy.group" 0 nil) alist)))))
1834 (setq info (car alist))
1835 ;; Make the same select-methods identical Lisp objects.
1836 (when (setq method (gnus-info-method info))
1837 (if (setq rest (member method methods))
1838 (gnus-info-set-method info (car rest))
1839 (push method methods)))
1840 ;; Check for duplicates.
1841 (if (gnus-gethash (car info) gnus-newsrc-hashtb)
1842 ;; Remove this entry from the alist.
1843 (setcdr prev (cddr prev))
1846 ;; Preserve number of unread articles in groups.
1847 (cons (and ohashtb (car (gnus-gethash (car info) ohashtb)))
1851 (setq alist (cdr alist)))
1852 ;; Make the same select-methods in `gnus-server-alist' identical
1855 (setq method (pop methods))
1856 (when (setq rest (rassoc method gnus-server-alist))
1857 (setcdr rest method)))))
1859 (defun gnus-make-hashtable-from-killed ()
1860 "Create a hash table from the killed and zombie lists."
1861 (let ((lists '(gnus-killed-list gnus-zombie-list))
1863 (setq gnus-killed-hashtb
1864 (gnus-make-hashtable
1865 (+ (length gnus-killed-list) (length gnus-zombie-list))))
1867 (setq list (symbol-value (pop lists)))
1869 (gnus-sethash (car list) (pop list) gnus-killed-hashtb)))))
1871 (defun gnus-parse-active ()
1872 "Parse active info in the nntp server buffer."
1873 (with-current-buffer nntp-server-buffer
1874 (goto-char (point-min))
1875 ;; Parse the result we got from `gnus-request-group'.
1876 (when (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
1877 (goto-char (match-beginning 1))
1878 (cons (read (current-buffer))
1879 (read (current-buffer))))))
1881 (defun gnus-make-articles-unread (group articles)
1882 "Mark ARTICLES in GROUP as unread."
1883 (let* ((info (nth 2 (or (gnus-group-entry group)
1885 (gnus-group-real-name group)))))
1886 (ranges (gnus-info-read info))
1889 (when (gnus-member-of-range
1890 (setq article (pop articles)) ranges)
1891 (push article news)))
1893 ;; Enter this list into the group info.
1895 info (gnus-remove-from-range (gnus-info-read info) (nreverse news)))
1897 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1898 (gnus-get-unread-articles-in-group info (gnus-active group))
1900 ;; Insert the change into the group buffer and the dribble file.
1901 (gnus-group-update-group group t))))
1903 (defun gnus-make-ascending-articles-unread (group articles)
1904 "Mark ascending ARTICLES in GROUP as unread."
1905 (let* ((entry (or (gnus-group-entry group)
1906 (gnus-group-entry (gnus-group-real-name group))))
1907 (info (nth 2 entry))
1908 (ranges (gnus-info-read info))
1913 (let ((article (pop articles))) ; get the next article to remove from ranges
1914 (while (let ((range (car ranges))) ; note the current range
1915 (if (atom range) ; single value range
1917 ;; the articles extend past the end of the ranges
1919 (setq articles nil))
1921 ;; this range preceeds the article. Leave the range unmodified.
1925 ;; this range exactly matches the article; REMOVE THE RANGE.
1926 ;; NOTE: When the range being removed is the last range, the list is corrupted by inserting null at its end.
1927 (setcar ranges (cadr ranges))
1928 (setcdr ranges (cddr ranges))
1929 (setq modified (if (car ranges) t 'remove-null))
1931 (let ((min (car range))
1933 ;; I have a min/max range to consider
1934 (cond ((> min max) ; invalid range introduced by splitter
1935 (setcar ranges (cadr ranges))
1936 (setcdr ranges (cddr ranges))
1937 (setq modified (if (car ranges) t 'remove-null))
1940 ;; replace min/max range with a single-value range
1944 ;; this range preceeds the article. Leave the range unmodified.
1948 ;; this article preceeds the range. Return null to move to the
1952 ;; this article splits the range into two parts
1953 (setcdr ranges (cons (cons (1+ article) max) (cdr ranges)))
1954 (setcdr range (1- article))
1959 (when (eq modified 'remove-null)
1960 (setq r (delq nil r)))
1961 ;; Enter this list into the group info.
1962 (gnus-info-set-read info r)
1964 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1965 (gnus-get-unread-articles-in-group info (gnus-active group))
1967 ;; Insert the change into the group buffer and the dribble file.
1968 (gnus-group-update-group group t))))
1970 ;; Enter all dead groups into the hashtb.
1971 (defun gnus-update-active-hashtb-from-killed ()
1972 (let ((hashtb (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1973 (lists (list gnus-killed-list gnus-zombie-list))
1976 (setq killed (car lists))
1978 (gnus-sethash (mm-string-as-unibyte (car killed)) nil hashtb)
1979 (setq killed (cdr killed)))
1980 (setq lists (cdr lists)))))
1982 (defun gnus-get-killed-groups ()
1983 "Go through the active hashtb and mark all unknown groups as killed."
1984 ;; First make sure active file has been read.
1985 (unless (gnus-read-active-file-p)
1986 (let ((gnus-read-active-file t))
1987 (gnus-read-active-file)))
1988 (unless gnus-killed-hashtb
1989 (gnus-make-hashtable-from-killed))
1990 ;; Go through all newsgroups that are known to Gnus - enlarge kill list.
1994 (group (symbol-name sym)))
1995 (if (or (null group)
1996 (gnus-gethash group gnus-killed-hashtb)
1997 (gnus-gethash group gnus-newsrc-hashtb))
1999 (let ((do-sub (gnus-matches-options-n group)))
2000 (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore))
2002 (setq groups (1+ groups))
2003 (push group gnus-killed-list)
2004 (gnus-sethash group group gnus-killed-hashtb))))))
2006 (gnus-dribble-touch))
2008 ;; Get the active file(s) from the backend(s).
2009 (defun gnus-read-active-file (&optional force not-native)
2010 (gnus-group-set-mode-line)
2013 (lambda (m) (if (stringp m) (gnus-server-get-method nil m) m))
2015 (if (and (not not-native)
2016 (gnus-check-server gnus-select-method))
2017 ;; The native server is available.
2018 (cons gnus-select-method gnus-secondary-select-methods)
2019 ;; The native server is down, so we just do the
2021 gnus-secondary-select-methods)
2022 ;; Also read from the archive server.
2023 (when (gnus-archive-server-wanted-p)
2024 (list "archive")))))
2026 (setq gnus-have-read-active-file nil)
2027 (with-current-buffer nntp-server-buffer
2028 (while (setq method (pop methods))
2029 ;; Only do each method once, in case the methods appear more
2030 ;; than once in this list.
2031 (unless (member method methods)
2032 (if (or debug-on-error debug-on-quit)
2033 (gnus-read-active-file-1 method force)
2035 (gnus-read-active-file-1 method force)
2036 ;; We catch C-g so that we can continue past servers
2037 ;; that do not respond.
2039 (message "Quit reading the active file")
2042 (defun gnus-read-active-file-1 (method force &optional infos)
2044 (setq where (nth 1 method)
2045 mesg (format "Reading active file%s via %s..."
2046 (if (and where (not (zerop (length where))))
2047 (concat " from " where) "")
2049 (gnus-message 5 mesg)
2050 (when (gnus-check-server method)
2051 ;; Request that the backend scan its incoming messages.
2052 (when (and (or (and gnus-agent
2053 (gnus-online method))
2055 (gnus-check-backend-function 'request-scan (car method)))
2057 (dolist (info infos)
2058 (gnus-request-scan (gnus-info-group info) method))
2059 (gnus-request-scan nil method)))
2061 ((and (eq gnus-read-active-file 'some)
2062 (gnus-check-backend-function 'retrieve-groups (car method))
2064 (let ((newsrc (cdr gnus-newsrc-alist))
2065 (gmethod (gnus-server-get-method nil method))
2067 (while (setq info (pop newsrc))
2071 (gnus-find-method-for-group
2072 (gnus-info-group info) info))
2074 (push (gnus-group-real-name (gnus-info-group info))
2076 (gnus-read-active-file-2 groups method)))
2080 (if (not (gnus-request-list method))
2081 (unless (equal method gnus-message-archive-method)
2082 (gnus-error 1 "Cannot read active file from %s server"
2084 (gnus-message 5 mesg)
2085 (gnus-active-to-gnus-format method gnus-active-hashtb nil t)
2086 ;; We mark this active file as read.
2087 (push method gnus-have-read-active-file)
2088 (gnus-message 5 "%sdone" mesg)))))))
2090 (defun gnus-read-active-file-2 (groups method)
2091 "Read an active file for GROUPS in METHOD using `gnus-retrieve-groups'."
2093 (with-current-buffer nntp-server-buffer
2094 (gnus-check-server method)
2095 (let ((list-type (gnus-retrieve-groups groups method)))
2096 (cond ((not list-type)
2098 1.2 "Cannot read partial active file from %s server."
2100 ((eq list-type 'active)
2101 (gnus-active-to-gnus-format method gnus-active-hashtb nil t))
2103 (gnus-groups-to-gnus-format method gnus-active-hashtb t)))))))
2105 ;; Read an active file and place the results in `gnus-active-hashtb'.
2106 (defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors
2109 (setq method gnus-select-method))
2110 (let ((cur (current-buffer))
2112 (if (and gnus-active-hashtb
2113 (not (equal method gnus-select-method)))
2115 (setq gnus-active-hashtb
2116 (if (equal method gnus-select-method)
2117 (gnus-make-hashtable
2118 (count-lines (point-min) (point-max)))
2119 (gnus-make-hashtable 4096))))))
2121 ;; Delete unnecessary lines.
2122 (goto-char (point-min))
2124 ((string= gnus-ignored-newsgroups "")
2125 (delete-matching-lines "^to\\."))
2127 (delete-matching-lines (concat "^to\\.\\|" gnus-ignored-newsgroups))))
2129 (goto-char (point-min))
2130 (unless (re-search-forward "[\\\"]" nil t)
2131 ;; Make the group names readable as a lisp expression even if they
2132 ;; contain special characters.
2133 (goto-char (point-max))
2134 (while (re-search-backward "[][';?()#]" nil t)
2137 ;; Let the Gnus agent save the active file.
2138 (when (and gnus-agent real-active (gnus-online method))
2139 (gnus-agent-save-active method))
2141 ;; If these are groups from a foreign select method, we insert the
2142 ;; group prefix in front of the group names.
2143 (when (not (gnus-server-equal
2144 (gnus-server-get-method nil method)
2145 (gnus-server-get-method nil gnus-select-method)))
2146 (let ((prefix (gnus-group-prefixed-name "" method)))
2147 (goto-char (point-min))
2148 (while (and (not (eobp))
2150 (when (= (following-char) ?\")
2153 (zerop (forward-line 1)))))))
2154 ;; Store the active file in a hash table.
2155 ;; Use a unibyte buffer in order to make `read' read non-ASCII
2156 ;; group names (which have been encoded) as unibyte strings.
2157 (mm-with-unibyte-buffer
2158 (insert-buffer-substring cur)
2159 (setq cur (current-buffer))
2160 (goto-char (point-min))
2164 (narrow-to-region (point) (point-at-eol))
2165 ;; group gets set to a symbol interned in the hash table
2166 ;; (what a hack!!) - jwz
2167 (setq group (let ((obarray hashtb)) (read cur)))
2168 ;; ### The extended group name scheme makes
2169 ;; the previous optimization strategy sort of pointless...
2170 (when (stringp group)
2171 (setq group (intern group hashtb)))
2172 (if (and (numberp (setq max (read cur)))
2173 (numberp (setq min (read cur)))
2175 (skip-chars-forward " \t")
2177 (or (eq (char-after) ?=)
2178 (eq (char-after) ?x)
2179 (eq (char-after) ?j)))))
2181 (set group (cons min max))
2182 ;; if group is moderated, stick in moderation table
2183 (when (eq (char-after) ?m)
2184 (unless gnus-moderated-hashtb
2185 (setq gnus-moderated-hashtb (gnus-make-hashtable)))
2186 (gnus-sethash (symbol-name group) t
2187 gnus-moderated-hashtb)))
2193 (unless ignore-errors
2194 (gnus-message 3 "Warning - invalid active: %s"
2196 (point-at-bol) (point-at-eol))))))
2198 (forward-line 1)))))
2200 (defun gnus-groups-to-gnus-format (method &optional hashtb real-active)
2201 ;; Parse a "groups" active file.
2202 (let ((cur (current-buffer))
2204 (if (and method gnus-active-hashtb)
2206 (setq gnus-active-hashtb
2207 (gnus-make-hashtable
2208 (count-lines (point-min) (point-max)))))))
2210 (not (gnus-server-equal
2211 (gnus-server-get-method nil method)
2212 (gnus-server-get-method nil gnus-select-method)))
2213 (gnus-group-prefixed-name "" method))))
2215 ;; Let the Gnus agent save the active file.
2218 (gnus-online method)
2219 (gnus-agent-method-p method))
2221 (gnus-agent-save-active method)
2222 (gnus-active-to-gnus-format method hashtb nil real-active))
2224 (goto-char (point-min))
2225 ;; We split this into to separate loops, one with the prefix
2226 ;; and one without to speed the reading up somewhat.
2228 (let (min max opoint group)
2232 (read cur) (read cur)
2233 (setq min (read cur)
2236 (skip-chars-forward " \t")
2239 (set (let ((obarray hashtb)) (read cur))
2241 (error (and group (symbolp group) (set group nil))))
2243 (let (min max group)
2246 (when (eq (char-after) ?2)
2247 (read cur) (read cur)
2248 (setq min (read cur)
2250 (set (setq group (let ((obarray hashtb)) (read cur)))
2252 (error (and group (symbolp group) (set group nil))))
2253 (forward-line 1)))))))
2255 (defun gnus-read-newsrc-file (&optional force)
2257 If FORCE is non-nil, the .newsrc file is read."
2258 ;; Reset variables that might be defined in the .newsrc.eld file.
2259 (let ((variables (remove 'gnus-format-specs gnus-variable-list)))
2261 (set (car variables) nil)
2262 (setq variables (cdr variables))))
2263 (let* ((newsrc-file gnus-current-startup-file)
2264 (quick-file (concat newsrc-file ".el")))
2266 ;; We always load the .newsrc.eld file. If always contains
2267 ;; much information that can not be gotten from the .newsrc
2268 ;; file (ticked articles, killed groups, foreign methods, etc.)
2269 (gnus-read-newsrc-el-file quick-file)
2271 (when (and gnus-read-newsrc-file
2272 (file-exists-p gnus-current-startup-file)
2274 (and (file-newer-than-file-p newsrc-file quick-file)
2275 (file-newer-than-file-p newsrc-file
2276 (concat quick-file "d")))
2277 (not gnus-newsrc-alist)))
2278 ;; We read the .newsrc file. Note that if there if a
2279 ;; .newsrc.eld file exists, it has already been read, and
2280 ;; the `gnus-newsrc-hashtb' has been created. While reading
2281 ;; the .newsrc file, Gnus will only use the information it
2282 ;; can find there for changing the data already read -
2283 ;; i. e., reading the .newsrc file will not trash the data
2284 ;; already read (except for read articles).
2286 (gnus-message 5 "Reading %s..." newsrc-file)
2287 (set-buffer (nnheader-find-file-noselect newsrc-file))
2288 (buffer-disable-undo)
2289 (gnus-newsrc-to-gnus-format)
2290 (kill-buffer (current-buffer))
2291 (gnus-message 5 "Reading %s...done" newsrc-file)))
2293 ;; Convert old to new.
2294 (gnus-convert-old-newsrc))))
2296 (defun gnus-convert-old-newsrc ()
2297 "Convert old newsrc formats into the current format, if needed."
2298 (let ((fcv (and gnus-newsrc-file-version
2299 (gnus-continuum-version gnus-newsrc-file-version)))
2300 (gcv (gnus-continuum-version)))
2302 ;; A newsrc file was loaded.
2303 (let (prompt-displayed
2306 (mapcar (lambda (date-func)
2307 (cons (gnus-continuum-version (car date-func))
2309 ;; This is a list of converters that must be run
2310 ;; to bring the newsrc file up to the current
2311 ;; version. If you create an incompatibility
2312 ;; with older versions, you should create an
2313 ;; entry here. The entry should consist of the
2314 ;; current gnus version (hardcoded so that it
2315 ;; doesn't change with each release) and the
2316 ;; function that must be applied to convert the
2317 ;; previous version into the current version.
2318 '(("September Gnus v0.1" nil
2319 gnus-convert-old-ticks)
2320 ("Oort Gnus v0.08" "legacy-gnus-agent"
2321 gnus-agent-convert-to-compressed-agentview)
2322 ("Gnus v5.10.7" "legacy-gnus-agent"
2323 gnus-agent-unlist-expire-days)
2324 ("Gnus v5.10.7" "legacy-gnus-agent"
2325 gnus-agent-unhook-expire-days)))
2326 #'car-less-than-car)))
2327 ;; Skip converters older than the file version
2328 (while (and converters (>= fcv (caar converters)))
2331 ;; Perform converters to bring older version up to date.
2332 (when (and converters (< fcv (caar converters)))
2333 (while (and converters (< fcv (caar converters))
2334 (<= (caar converters) gcv))
2335 (let* ((converter-spec (pop converters))
2336 (convert-to (nth 1 converter-spec))
2337 (load-from (nth 2 converter-spec))
2338 (func (nth 3 converter-spec)))
2339 (when (and load-from
2340 (not (fboundp func)))
2342 (or prompt-displayed
2343 (not (gnus-convert-converter-needs-prompt func))
2345 (cursor-in-echo-area t)
2346 (echo-keystrokes 0))
2347 (message "Convert gnus from version '%s' to '%s'? (n/y/?)"
2348 gnus-newsrc-file-version gnus-version)
2349 (setq c (read-char-exclusive))
2351 (cond ((or (eq c ?n) (eq c ?N))
2352 (error "Can not start gnus without converting"))
2353 ((or (eq c ?y) (eq c ?Y))
2354 (setq prompt-displayed t)
2357 (message "This conversion is irreversible. \
2358 To be safe, you should backup your files before proceeding.")
2362 (gnus-message 3 "Ignoring unexpected input")
2366 (funcall func convert-to)))
2368 (format ";Converted gnus from version '%s' to '%s'."
2369 gnus-newsrc-file-version gnus-version)))))))
2371 (defun gnus-convert-mark-converter-prompt (converter no-prompt)
2372 "Indicate whether CONVERTER requires gnus-convert-old-newsrc to
2373 display the conversion prompt. NO-PROMPT may be nil (prompt),
2374 t (no prompt), or any form that can be called as a function.
2375 The form should return either t or nil."
2376 (put converter 'gnus-convert-no-prompt no-prompt))
2378 (defun gnus-convert-converter-needs-prompt (converter)
2379 (let ((no-prompt (get converter 'gnus-convert-no-prompt)))
2380 (not (if (memq no-prompt '(t nil))
2382 (funcall no-prompt)))))
2384 (defun gnus-convert-old-ticks (converting-to)
2385 (let ((newsrc (cdr gnus-newsrc-alist))
2386 marks info dormant ticked)
2387 (while (setq info (pop newsrc))
2388 (when (setq marks (gnus-info-marks info))
2389 (setq dormant (cdr (assq 'dormant marks))
2390 ticked (cdr (assq 'tick marks)))
2391 (when (or dormant ticked)
2395 (gnus-info-read info)
2396 (nconc (gnus-uncompress-range dormant)
2397 (gnus-uncompress-range ticked)))))))))
2399 (defun gnus-load (file)
2400 "Load FILE, but in such a way that read errors can be reported."
2402 (insert-file-contents file)
2404 (condition-case type
2405 (let ((form (read (current-buffer))))
2408 (unless (eq (car type) 'end-of-file)
2409 (let ((errmsg (format "Error in %s line %d" file
2410 (count-lines (point-min) (point)))))
2412 (unless (gnus-yes-or-no-p (concat errmsg "; continue? "))
2413 (error "%s" errmsg)))))))))
2415 (defun gnus-read-newsrc-el-file (file)
2416 (let ((ding-file (concat file "d")))
2417 (when (file-exists-p ding-file)
2418 ;; We always, always read the .eld file.
2419 (gnus-message 5 "Reading %s..." ding-file)
2420 (let (gnus-newsrc-assoc)
2421 (gnus-load ding-file)
2422 ;; Older versions of `gnus-format-specs' are no longer valid
2423 ;; in Oort Gnus 0.01.
2425 (and gnus-newsrc-file-version
2426 (gnus-continuum-version gnus-newsrc-file-version))))
2427 (when (or (not version)
2428 (< version 5.090009))
2429 (setq gnus-format-specs gnus-default-format-specs)))
2430 (when gnus-newsrc-assoc
2431 (setq gnus-newsrc-alist gnus-newsrc-assoc))))
2432 (dolist (elem gnus-newsrc-alist)
2433 (setcar elem (mm-string-as-unibyte (car elem))))
2434 (gnus-make-hashtable-from-newsrc-alist)
2435 (when (file-newer-than-file-p file ding-file)
2436 ;; Old format quick file
2437 (gnus-message 5 "Reading %s..." file)
2438 ;; The .el file is newer than the .eld file, so we read that one
2440 (gnus-read-old-newsrc-el-file file)))
2441 (gnus-run-hooks 'gnus-read-newsrc-el-hook))
2443 ;; Parse the old-style quick startup file
2444 (defun gnus-read-old-newsrc-el-file (file)
2445 (let (newsrc killed marked group m info)
2447 (let ((gnus-killed-assoc nil)
2448 gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc)
2452 (setq newsrc gnus-newsrc-assoc
2453 killed gnus-killed-assoc
2454 marked gnus-marked-assoc)))
2455 (setq gnus-newsrc-alist nil)
2456 (while (setq group (pop newsrc))
2457 (if (setq info (gnus-get-info (car group)))
2459 (gnus-info-set-read info (cddr group))
2460 (gnus-info-set-level
2461 info (if (nth 1 group) gnus-level-default-subscribed
2462 gnus-level-default-unsubscribed))
2463 (push info gnus-newsrc-alist))
2466 (if (nth 1 group) gnus-level-default-subscribed
2467 gnus-level-default-unsubscribed)
2470 ;; Copy marks into info.
2471 (when (setq m (assoc (car group) marked))
2472 (unless (nthcdr 3 info)
2473 (nconc info (list nil)))
2474 (gnus-info-set-marks
2475 info (list (cons 'tick (gnus-compress-sequence
2476 (sort (cdr m) '<) t))))))
2477 (setq newsrc killed)
2479 (setcar newsrc (caar newsrc))
2480 (setq newsrc (cdr newsrc)))
2481 (setq gnus-killed-list killed))
2482 ;; The .el file version of this variable does not begin with
2483 ;; "options", while the .eld version does, so we just add it if it
2487 (when (not (string-match "^ *options" gnus-newsrc-options))
2488 (setq gnus-newsrc-options (concat "options " gnus-newsrc-options)))
2489 (when (not (string-match "\n$" gnus-newsrc-options))
2490 (setq gnus-newsrc-options (concat gnus-newsrc-options "\n")))
2491 ;; Finally, if we read some options lines, we parse them.
2492 (unless (string= gnus-newsrc-options "")
2493 (gnus-newsrc-parse-options gnus-newsrc-options)))
2495 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))
2496 (gnus-make-hashtable-from-newsrc-alist)))
2498 (defun gnus-make-newsrc-file (file)
2499 "Make server dependent file name by catenating FILE and server host name."
2500 (let* ((file (expand-file-name file nil))
2501 (real-file (concat file "-" (nth 1 gnus-select-method))))
2502 (if (or (file-exists-p real-file)
2503 (file-exists-p (concat real-file ".el"))
2504 (file-exists-p (concat real-file ".eld")))
2508 (defun gnus-newsrc-to-gnus-format ()
2509 (setq gnus-newsrc-options "")
2510 (setq gnus-newsrc-options-n nil)
2512 (unless gnus-active-hashtb
2513 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
2514 (let ((buf (current-buffer))
2515 (already-read (> (length gnus-newsrc-alist) 1))
2516 group subscribed options-symbol newsrc Options-symbol
2518 (goto-char (point-min))
2519 ;; We intern the symbol `options' in the active hashtb so that we
2520 ;; can `eq' against it later.
2521 (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil)
2522 (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil)
2525 ;; We first read the first word on the line by narrowing and
2526 ;; then reading into `gnus-active-hashtb'. Most groups will
2527 ;; already exist in that hashtb, so this will save some string
2531 (progn (skip-chars-forward "^ \t!:\n") (point)))
2532 (goto-char (point-min))
2534 (and (/= (point-min) (point-max))
2535 (let ((obarray gnus-active-hashtb)) (read buf))))
2537 ;; Now, the symbol we have read is either `options' or a group
2538 ;; name. If it is an options line, we just add it to a string.
2540 ((or (eq symbol options-symbol)
2541 (eq symbol Options-symbol))
2542 (setq gnus-newsrc-options
2543 ;; This concating is quite inefficient, but since our
2544 ;; thorough studies show that approx 99.37% of all
2545 ;; .newsrc files only contain a single options line, we
2546 ;; don't give a damn, frankly, my dear.
2547 (concat gnus-newsrc-options
2550 ;; Options may continue on the next line.
2551 (or (and (re-search-forward "^[^ \t]" nil 'move)
2556 ;; Group names can be just numbers.
2557 (when (numberp symbol)
2558 (setq symbol (intern (int-to-string symbol) gnus-active-hashtb)))
2559 (unless (boundp symbol)
2561 ;; It was a group name.
2562 (setq subscribed (eq (char-after) ?:)
2563 group (symbol-name symbol)
2566 ;; If the line ends here, this is clearly a buggy line, so
2567 ;; we put point a the beginning of line and let the cond
2568 ;; below do the error handling.
2570 ;; We skip to the beginning of the ranges.
2571 (skip-chars-forward "!: \t"))
2572 ;; We are now at the beginning of the list of read articles.
2573 ;; We read them range by range.
2576 ((looking-at "[0-9]+")
2577 ;; We narrow and read a number instead of buffer-substring/
2578 ;; string-to-number because it's faster. narrow/widen is
2579 ;; faster than save-restriction/narrow, and save-restriction
2580 ;; produces a garbage object.
2582 (narrow-to-region (match-beginning 0) (match-end 0))
2585 ;; If the next character is a dash, then this is a range.
2586 (if (eq (char-after) ?-)
2588 ;; We read the upper bound of the range.
2590 (if (not (looking-at "[0-9]+"))
2591 ;; This is a buggy line, by we pretend that
2592 ;; it's kinda OK. Perhaps the user should be
2598 (narrow-to-region (match-beginning 0)
2603 ;; It was just a simple number, so we add it to the
2606 ;; If the next char in ?\n, then we have reached the end
2607 ;; of the line and return nil.
2608 (not (eq (char-after) ?\n)))
2609 ((eq (char-after) ?\n)
2610 ;; End of line, so we end.
2613 ;; Not numbers and not eol, so this might be a buggy
2616 ;; If it was eob instead of ?\n, we allow it.
2617 ;; The line was buggy.
2619 (gnus-error 3.1 "Mangled line: %s"
2620 (buffer-substring (point-at-bol)
2623 ;; Skip past ", ". Spaces are invalid in these ranges, but
2624 ;; we allow them, because it's a common mistake to put a
2625 ;; space after the comma.
2626 (skip-chars-forward ", "))
2628 ;; We have already read .newsrc.eld, so we gently update the
2629 ;; data in the hash table with the information we have just
2632 (let ((info (gnus-get-info group))
2635 ;; There is an entry for this file in the alist.
2637 (gnus-info-set-read info (nreverse reads))
2638 ;; We update the level very gently. In fact, we
2639 ;; only change it if there's been a status change
2640 ;; from subscribed to unsubscribed, or vice versa.
2641 (setq level (gnus-info-level info))
2642 (cond ((and (<= level gnus-level-subscribed)
2644 (setq level (if reads
2645 gnus-level-default-unsubscribed
2646 (1+ gnus-level-default-unsubscribed))))
2647 ((and (> level gnus-level-subscribed) subscribed)
2648 (setq level gnus-level-default-subscribed)))
2649 (gnus-info-set-level info level))
2650 ;; This is a new group.
2651 (setq info (list group
2653 gnus-level-default-subscribed
2655 (1+ gnus-level-subscribed)
2656 gnus-level-default-unsubscribed))
2658 (push info newsrc)))))
2661 (setq newsrc (nreverse newsrc))
2663 (if (not already-read)
2665 ;; We now have two newsrc lists - `newsrc', which is what we
2666 ;; have read from .newsrc, and `gnus-newsrc-alist', which is
2667 ;; what we've read from .newsrc.eld. We have to merge these
2668 ;; lists. We do this by "attaching" any (foreign) groups in the
2669 ;; gnus-newsrc-alist to the (native) group that precedes them.
2670 (let ((rc (cdr gnus-newsrc-alist))
2671 (prev gnus-newsrc-alist)
2674 (or (null (nth 4 (car rc))) ; It's a native group.
2675 (assoc (caar rc) newsrc) ; It's already in the alist.
2676 (if (setq entry (assoc (caar prev) newsrc))
2677 (setcdr (setq mentry (memq entry newsrc))
2678 (cons (car rc) (cdr mentry)))
2679 (push (car rc) newsrc)))
2683 (setq gnus-newsrc-alist newsrc)
2684 ;; We make the newsrc hashtb.
2685 (gnus-make-hashtable-from-newsrc-alist)
2687 ;; Finally, if we read some options lines, we parse them.
2688 (unless (string= gnus-newsrc-options "")
2689 (gnus-newsrc-parse-options gnus-newsrc-options))))
2691 ;; Parse options lines to find "options -n !all rec.all" and stuff.
2692 ;; The return value will be a list on the form
2693 ;; ((regexp1 . ignore)
2694 ;; (regexp2 . subscribe)...)
2695 ;; When handling new newsgroups, groups that match a `ignore' regexp
2696 ;; will be ignored, and groups that match a `subscribe' regexp will be
2697 ;; subscribed. A line like
2698 ;; options -n !all rec.all
2699 ;; will lead to a list that looks like
2700 ;; (("^rec\\..+" . subscribe)
2701 ;; ("^.+" . ignore))
2702 ;; So all "rec.*" groups will be subscribed, while all the other
2703 ;; groups will be ignored. Note that "options -n !all rec.all" is very
2704 ;; different from "options -n rec.all !all".
2705 (defun gnus-newsrc-parse-options (options)
2708 (gnus-set-work-buffer)
2709 (insert (regexp-quote options))
2710 ;; First we treat all continuation lines.
2711 (goto-char (point-min))
2712 (while (re-search-forward "\n[ \t]+" nil t)
2713 (replace-match " " t t))
2714 ;; Then we transform all "all"s into ".+"s.
2715 (goto-char (point-min))
2716 (while (re-search-forward "\\ball\\b" nil t)
2717 (replace-match ".+" t t))
2718 (goto-char (point-min))
2719 ;; We remove all other options than the "-n" ones.
2720 (while (re-search-forward "[ \t]-[^n][^-]*" nil t)
2723 (goto-char (point-min))
2725 ;; We are only interested in "options -n" lines - we
2726 ;; ignore the other option lines.
2727 (while (re-search-forward "[ \t]-n" nil t)
2730 (and (re-search-forward "[ \t]-n" (point-at-eol) t)
2733 ;; Search for all "words"...
2734 (while (re-search-forward "[^ \t,\n]+" eol t)
2735 (if (eq (char-after (match-beginning 0)) ?!)
2736 ;; If the word begins with a bang (!), this is a "not"
2737 ;; spec. We put this spec (minus the bang) and the
2738 ;; symbol `ignore' into the list.
2740 "^" (buffer-substring
2741 (1+ (match-beginning 0))
2746 ;; There was no bang, so this is a "yes" spec.
2747 (push (cons (concat "^" (match-string 0) "\\($\\|\\.\\)")
2751 (setq gnus-newsrc-options-n out))))
2754 (defalias 'gnus-long-file-names
2755 (if (fboundp 'msdos-long-file-names)
2756 'msdos-long-file-names
2759 (defun gnus-save-newsrc-file (&optional force)
2760 "Save .newsrc file."
2761 ;; Note: We cannot save .newsrc file if all newsgroups are removed
2762 ;; from the variable gnus-newsrc-alist.
2763 (when (and (or gnus-newsrc-alist gnus-killed-list)
2764 gnus-current-startup-file)
2765 ;; Save agent range limits for the currently active method.
2767 (gnus-agent-save-local force))
2770 (if (and (or gnus-use-dribble-file gnus-slave)
2772 (or (not gnus-dribble-buffer)
2773 (not (buffer-name gnus-dribble-buffer))
2774 (zerop (with-current-buffer gnus-dribble-buffer
2776 (gnus-message 4 "(No changes need to be saved)")
2777 (gnus-run-hooks 'gnus-save-newsrc-hook)
2779 (gnus-slave-save-newsrc)
2781 (when gnus-save-newsrc-file
2782 (gnus-message 8 "Saving %s..." gnus-current-startup-file)
2783 (gnus-gnus-to-newsrc-format)
2784 (gnus-message 8 "Saving %s...done" gnus-current-startup-file))
2786 ;; Save .newsrc.eld.
2787 (set-buffer (gnus-get-buffer-create " *Gnus-newsrc*"))
2788 (make-local-variable 'version-control)
2789 (setq version-control gnus-backup-startup-file)
2790 (setq buffer-file-name
2791 (concat gnus-current-startup-file ".eld"))
2792 (setq default-directory (file-name-directory buffer-file-name))
2793 (buffer-disable-undo)
2795 (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
2797 (if gnus-save-startup-file-via-temp-buffer
2798 (let ((coding-system-for-write gnus-ding-file-coding-system)
2799 (standard-output (current-buffer)))
2800 (gnus-gnus-to-quick-newsrc-format)
2801 (gnus-run-hooks 'gnus-save-quick-newsrc-hook)
2803 (let ((coding-system-for-write gnus-ding-file-coding-system)
2804 (version-control gnus-backup-startup-file)
2805 (startup-file (concat gnus-current-startup-file ".eld"))
2806 (working-dir (file-name-directory gnus-current-startup-file))
2809 ;; Generate the name of a non-existent file.
2810 (while (progn (setq working-file
2812 (if (and (eq system-type 'ms-dos)
2813 (not (gnus-long-file-names)))
2814 "%s#%d.tm#" ; MSDOS limits files to 8+3
2816 working-dir (setq i (1+ i))))
2817 (file-exists-p working-file)))
2821 (gnus-with-output-to-file working-file
2822 (gnus-gnus-to-quick-newsrc-format)
2823 (gnus-run-hooks 'gnus-save-quick-newsrc-hook))
2825 ;; These bindings will mislead the current buffer
2826 ;; into thinking that it is visiting the startup
2828 (let ((buffer-backed-up nil)
2829 (buffer-file-name startup-file)
2830 (file-precious-flag t)
2831 (setmodes (file-modes startup-file)))
2832 ;; Backup the current version of the startup file.
2835 ;; Replace the existing startup file with the temp file.
2836 (rename-file working-file startup-file t)
2837 (gnus-set-file-modes startup-file setmodes)))
2839 (delete-file working-file)
2840 (file-error nil)))))
2842 (gnus-kill-buffer (current-buffer))
2844 5 "Saving %s.eld...done" gnus-current-startup-file))
2845 (gnus-dribble-delete-file)
2846 (gnus-group-set-mode-line)))))
2848 (defun gnus-gnus-to-quick-newsrc-format (&optional minimal name &rest specific-variables)
2849 "Print Gnus variables such as `gnus-newsrc-alist' in Lisp format."
2850 (princ (format ";; -*- mode:emacs-lisp; coding: %s; -*-\n"
2851 gnus-ding-file-coding-system))
2853 (princ (format ";; %s\n" name))
2854 (princ ";; Gnus startup file.\n"))
2858 ;; Never delete this file -- if you want to force Gnus to read the
2859 ;; .newsrc file (if you have one), touch .newsrc instead.\n")
2860 (princ "(setq gnus-newsrc-file-version ")
2861 (princ (gnus-prin1-to-string gnus-version))
2864 (let* ((print-quoted t)
2866 (print-escape-multibyte nil)
2867 (print-escape-nonascii t)
2871 (print-escape-newlines t)
2873 (if (and gnus-save-killed-list
2874 (stringp gnus-save-killed-list))
2875 (gnus-strip-killed-list)
2878 (or specific-variables
2879 (if gnus-save-killed-list gnus-variable-list
2880 ;; Remove the `gnus-killed-list' from the list of variables
2881 ;; to be saved, if required.
2882 (delq 'gnus-killed-list (copy-sequence gnus-variable-list)))))
2883 ;; Peel off the "dummy" group.
2884 (gnus-newsrc-alist (cdr gnus-newsrc-alist))
2886 ;; Insert the variables into the file.
2888 (when (and (boundp (setq variable (pop variables)))
2889 (symbol-value variable))
2891 (princ (symbol-name variable))
2893 (prin1 (symbol-value variable))
2896 (defun gnus-strip-killed-list ()
2897 "Return the killed list minus the groups that match `gnus-save-killed-list'."
2898 (let ((list gnus-killed-list)
2901 (when (string-match gnus-save-killed-list (car list))
2902 (push (car list) olist))
2906 (defun gnus-gnus-to-newsrc-format ()
2907 ;; Generate and save the .newsrc file.
2908 (with-current-buffer (create-file-buffer gnus-current-startup-file)
2909 (let ((newsrc (cdr gnus-newsrc-alist))
2910 (standard-output (current-buffer))
2911 info ranges range method)
2912 (setq buffer-file-name gnus-current-startup-file)
2913 (setq default-directory (file-name-directory buffer-file-name))
2914 (buffer-disable-undo)
2916 ;; Use a unibyte buffer since group names are unibyte strings;
2917 ;; in particular, non-ASCII group names are the ones encoded by
2918 ;; a certain coding system.
2919 (mm-disable-multibyte)
2921 (when gnus-newsrc-options
2922 (insert gnus-newsrc-options))
2923 ;; Write subscribed and unsubscribed.
2924 (while (setq info (pop newsrc))
2925 ;; Don't write foreign groups to .newsrc.
2926 (when (or (null (setq method (gnus-info-method info)))
2927 (equal method "native")
2928 (inline (gnus-server-equal method gnus-select-method)))
2929 (insert (gnus-info-group info)
2930 (if (> (gnus-info-level info) gnus-level-subscribed)
2932 (when (setq ranges (gnus-info-read info))
2934 (if (not (listp (cdr ranges)))
2935 (if (= (car ranges) (cdr ranges))
2936 (princ (car ranges))
2937 (princ (car ranges))
2939 (princ (cdr ranges)))
2940 (while (setq range (pop ranges))
2941 (if (or (atom range) (= (car range) (cdr range)))
2942 (princ (or (and (atom range) range) (car range)))
2945 (princ (cdr range)))
2949 (make-local-variable 'version-control)
2950 (setq version-control 'never)
2951 ;; It has been reported that sometime the modtime on the .newsrc
2952 ;; file seems to be off. We really do want to overwrite it, so
2953 ;; we clear the modtime here before saving. It's a bit odd,
2955 ;; sometimes the modtime clear isn't sufficient. most brute force:
2956 ;; delete the silly thing entirely first. but this fails to provide
2957 ;; such niceties as .newsrc~ creation.
2958 (if gnus-modtime-botch
2959 (delete-file gnus-startup-file)
2960 (clear-visited-file-modtime))
2961 (gnus-run-hooks 'gnus-save-standard-newsrc-hook)
2962 (let ((coding-system-for-write 'raw-text))
2964 (kill-buffer (current-buffer)))))
2968 ;;; Slave functions.
2971 (defvar gnus-slave-mode nil)
2973 (defun gnus-slave-mode ()
2974 "Minor mode for slave Gnusae."
2975 ;; FIXME: gnus-slave-mode appears to never be set (i.e. it'll always be nil):
2976 ;; Remove, or fix and use define-minor-mode.
2977 (add-minor-mode 'gnus-slave-mode " Slave" (make-sparse-keymap))
2978 (gnus-run-hooks 'gnus-slave-mode-hook))
2980 (defun gnus-slave-save-newsrc ()
2981 (with-current-buffer gnus-dribble-buffer
2983 (mm-make-temp-file (concat gnus-current-startup-file "-slave-")))
2984 (modes (ignore-errors
2985 (file-modes (concat gnus-current-startup-file ".eld")))))
2986 (let ((coding-system-for-write gnus-ding-file-coding-system))
2987 (gnus-write-buffer slave-name))
2989 (gnus-set-file-modes slave-name modes)))))
2991 (defun gnus-master-read-slave-newsrc ()
2994 (file-name-directory gnus-current-startup-file)
2998 (file-name-nondirectory gnus-current-startup-file)
3002 (if (not slave-files)
3003 () ; There are no slave files to read.
3004 (gnus-message 7 "Reading slave newsrcs...")
3005 (with-current-buffer (gnus-get-buffer-create " *gnus slave*")
3007 (sort (mapcar (lambda (file)
3008 (list (nth 5 (file-attributes file)) file))
3011 (or (< (caar f1) (caar f2))
3012 (< (nth 1 (car f1)) (nth 1 (car f2)))))))
3015 (setq file (nth 1 (car slave-files)))
3016 (nnheader-insert-file-contents file)
3017 (when (condition-case ()
3019 (eval-buffer (current-buffer))
3022 (gnus-error 3.2 "Possible error in %s" file)
3024 (unless gnus-slave ; Slaves shouldn't delete these files.
3026 (delete-file file))))
3027 (setq slave-files (cdr slave-files))))
3028 (gnus-dribble-touch)
3029 (gnus-message 7 "Reading slave newsrcs...done"))))
3033 ;;; Group description.
3036 (defun gnus-read-all-descriptions-files ()
3037 (let ((methods (cons gnus-select-method
3039 (when (gnus-archive-server-wanted-p)
3041 gnus-secondary-select-methods))))
3043 (gnus-read-descriptions-file (car methods))
3044 (setq methods (cdr methods)))
3047 (defun gnus-read-descriptions-file (&optional method)
3048 (let ((method (or method gnus-select-method))
3050 (when (stringp method)
3051 (setq method (gnus-server-to-method method)))
3052 ;; We create the hashtable whether we manage to read the desc file
3053 ;; to avoid trying to re-read after a failed read.
3054 (unless gnus-description-hashtb
3055 (setq gnus-description-hashtb
3056 (gnus-make-hashtable (length gnus-active-hashtb))))
3057 ;; Mark this method's desc file as read.
3058 (gnus-sethash (gnus-group-prefixed-name "" method) "Has read"
3059 gnus-description-hashtb)
3061 (gnus-message 5 "Reading descriptions file via %s..." (car method))
3063 ((null (gnus-get-function method 'request-list-newsgroups t))
3065 ((not (gnus-check-server method))
3066 (gnus-message 1 "Couldn't open server")
3068 ((not (gnus-request-list-newsgroups method))
3069 (gnus-message 1 "Couldn't read newsgroups descriptions")
3073 ;; FIXME: Shouldn't save-restriction be done after set-buffer?
3075 (set-buffer nntp-server-buffer)
3076 (goto-char (point-min))
3077 (when (or (search-forward "\n.\n" nil t)
3078 (goto-char (point-max)))
3080 (narrow-to-region (point-min) (point)))
3081 ;; If these are groups from a foreign select method, we insert the
3082 ;; group prefix in front of the group names.
3083 (and method (not (inline
3085 (gnus-server-get-method nil method)
3086 (gnus-server-get-method
3087 nil gnus-select-method))))
3088 (let ((prefix (gnus-group-prefixed-name "" method)))
3089 (goto-char (point-min))
3090 (while (and (not (eobp))
3091 (progn (insert prefix)
3092 (zerop (forward-line 1)))))))
3093 (goto-char (point-min))
3095 ;; If we get an error, we set group to 0, which is not a
3099 (let ((obarray gnus-description-hashtb))
3100 ;; Group is set to a symbol interned in this
3102 (read nntp-server-buffer))
3104 (skip-chars-forward " \t")
3105 ;; ... which leads to this line being effectively ignored.
3106 (when (symbolp group)
3107 (let* ((str (buffer-substring
3108 (point) (progn (end-of-line) (point))))
3109 (name (symbol-name group))
3111 (or (gnus-group-name-charset method name)
3112 (gnus-parameter-charset name)
3113 gnus-default-charset)))
3114 ;; Fixme: Don't decode in unibyte mode.
3115 (when (and str charset (featurep 'mule))
3116 (setq str (mm-decode-coding-string str charset)))
3119 (gnus-message 5 "Reading descriptions file...done")
3122 (defun gnus-group-get-description (group)
3123 "Get the description of a group by sending XGTITLE to the server."
3124 (when (gnus-request-group-description group)
3125 (with-current-buffer nntp-server-buffer
3126 (goto-char (point-min))
3127 (when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
3128 (match-string 1)))))
3131 (defun gnus-declare-backend (name &rest abilities)
3132 "Declare back end NAME with ABILITIES as a Gnus back end."
3133 (setq gnus-valid-select-methods
3134 (nconc gnus-valid-select-methods
3135 (list (apply 'list name abilities))))
3136 (gnus-redefine-select-method-widget))
3138 (defun gnus-set-default-directory ()
3139 "Set the default directory in the current buffer to `gnus-default-directory'.
3140 If this variable is nil, don't do anything."
3141 (setq default-directory
3142 (if (and gnus-default-directory
3143 (file-exists-p gnus-default-directory))
3144 (file-name-as-directory (expand-file-name gnus-default-directory))
3145 default-directory)))
3147 (defun gnus-display-time-event-handler ()
3148 (if (and (fboundp 'display-time-event-handler)
3149 (gnus-boundp 'display-time-timer))
3150 (display-time-event-handler)))
3153 (defun gnus-fixup-nnimap-unread-after-getting-new-news ()
3154 (let (server group info)
3157 (when (and (setq group (symbol-name sym))
3158 (gnus-group-entry group)
3159 (setq info (symbol-value sym)))
3160 (gnus-sethash group (cons (nth 2 info) (cdr (gnus-group-entry group)))
3161 gnus-newsrc-hashtb)))
3162 (if (boundp 'nnimap-mailbox-info)
3163 (symbol-value 'nnimap-mailbox-info)
3164 (make-vector 1 0)))))
3166 (defun gnus-check-reasonable-setup ()
3167 ;; Check whether nnml and nnfolder share a directory.
3169 (if (fboundp 'display-warning)
3171 (lambda (type message)
3173 (message "Warning (%s): %s" type message)
3175 (with-current-buffer (get-buffer-create "*Warnings*")
3176 (goto-char (point-max))
3179 (insert (format "Warning (%s): %s\n" type message))
3180 (setq window (display-buffer (current-buffer)))
3184 (forward-line (- 1 (window-height window)))
3186 (goto-char (point-max))))))))))
3187 method active actives match)
3188 (dolist (server gnus-server-alist)
3189 (setq method (gnus-server-to-method server)
3190 active (intern (format "%s-active-file" (car method))))
3191 (when (and (member (car method) '(nnml nnfolder))
3192 (gnus-server-opened method)
3194 (when (setq match (assoc (symbol-value active) actives))
3195 (funcall display-warn 'gnus-server
3196 (format "%s and %s share the same active file %s"
3200 (push (list (symbol-value active) method) actives)))))
3202 (provide 'gnus-start)
3204 ;;; gnus-start.el ends here