1 ;;; gnus-start.el --- startup functions for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007 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, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
36 (autoload 'message-make-date "message")
37 (autoload 'gnus-agent-read-servers-validate "gnus-agent")
38 (autoload 'gnus-agent-save-local "gnus-agent")
39 (autoload 'gnus-agent-possibly-alter-active "gnus-agent")
44 (defvar gnus-agent-covered-methods)
45 (defvar gnus-agent-file-loading-local)
46 (defvar gnus-agent-file-loading-cache)
48 (defcustom gnus-startup-file (nnheader-concat gnus-home-directory ".newsrc")
50 `.newsrc-SERVER' will be used instead if that exists."
54 (defcustom gnus-backup-startup-file 'never
55 "Whether to create backup files.
56 This variable takes the same values as the `version-control'
60 :type '(choice (const :tag "Never" never)
61 (const :tag "If existing" nil)
62 (other :tag "Always" t)))
64 (defcustom gnus-save-startup-file-via-temp-buffer t
65 "Whether to write the startup file contents to a buffer then save
66 the buffer or write directly to the file. The buffer is faster
67 because all of the contents are written at once. The direct write
68 uses considerably less memory."
71 :type '(choice (const :tag "Write via buffer" t)
72 (const :tag "Write directly to file" nil)))
74 (defcustom gnus-init-file (nnheader-concat gnus-home-directory ".gnus")
75 "Your Gnus Emacs-Lisp startup file name.
76 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
80 (defcustom gnus-site-init-file
82 (concat (file-name-directory
83 (directory-file-name installation-directory))
84 "site-lisp/gnus-init")
86 "The site-wide Gnus Emacs-Lisp startup file name, or nil if none.
87 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
89 :type '(choice file (const nil)))
91 (defcustom gnus-default-subscribed-newsgroups nil
92 "List of newsgroups to subscribe, when a user runs Gnus the first time.
93 The value should be a list of strings.
94 If it is t, Gnus will not do anything special the first time it is
95 started; it'll just use the normal newsgroups subscription methods."
97 :type '(choice (repeat string) (const :tag "Nothing special" t)))
99 (defcustom gnus-use-dribble-file t
100 "*Non-nil means that Gnus will use a dribble file to store user updates.
101 If Emacs should crash without saving the .newsrc files, complete
102 information can be restored from the dribble file."
103 :group 'gnus-dribble-file
106 (defcustom gnus-dribble-directory nil
107 "*The directory where dribble files will be saved.
108 If this variable is nil, the directory where the .newsrc files are
110 :group 'gnus-dribble-file
111 :type '(choice directory (const nil)))
113 (defcustom gnus-check-new-newsgroups 'ask-server
114 "*Non-nil means that Gnus will run `gnus-find-new-newsgroups' at startup.
115 This normally finds new newsgroups by comparing the active groups the
116 servers have already reported with those Gnus already knows, either alive
119 When any of the following are true, `gnus-find-new-newsgroups' will instead
120 ask the servers (primary, secondary, and archive servers) to list new
121 groups since the last time it checked:
122 1. This variable is `ask-server'.
123 2. This variable is a list of select methods (see below).
124 3. `gnus-read-active-file' is nil or `some'.
125 4. A prefix argument is given to `gnus-find-new-newsgroups' interactively.
127 Thus, if this variable is `ask-server' or a list of select methods or
128 `gnus-read-active-file' is nil or `some', then the killed list is no
129 longer necessary, so you could safely set `gnus-save-killed-list' to nil.
131 This variable can be a list of select methods which Gnus will query with
132 the `ask-server' method in addition to the primary, secondary, and archive
136 (setq gnus-check-new-newsgroups
137 '((nntp \"some.server\") (nntp \"other.server\")))
139 If this variable is nil, then you have to tell Gnus explicitly to
140 check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups]."
142 :type '(choice (const :tag "no" nil)
143 (const :tag "by brute force" t)
144 (const :tag "ask servers" ask-server)
145 (repeat :menu-tag "ask additional servers"
146 :tag "ask additional servers"
148 (sexp :format "%v"))))
150 (defcustom gnus-check-bogus-newsgroups nil
151 "*Non-nil means that Gnus will check and remove bogus newsgroup at startup.
152 If this variable is nil, then you have to tell Gnus explicitly to
153 check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups]."
154 :group 'gnus-start-server
157 (defcustom gnus-read-active-file 'some
158 "*Non-nil means that Gnus will read the entire active file at startup.
159 If this variable is nil, Gnus will only know about the groups in your
162 If this variable is `some', Gnus will try to only read the relevant
163 parts of the active file from the server. Not all servers support
164 this, and it might be quite slow with other servers, but this should
165 generally be faster than both the t and nil value.
167 If you set this variable to nil or `some', you probably still want to
168 be told about new newsgroups that arrive. To do that, set
169 `gnus-check-new-newsgroups' to `ask-server'. This may not work
170 properly with all servers."
171 :group 'gnus-start-server
172 :type '(choice (const nil)
176 (defconst gnus-level-subscribed 5
177 "Groups with levels less than or equal to this variable are subscribed.")
179 (defconst gnus-level-unsubscribed 7
180 "Groups with levels less than or equal to this variable are unsubscribed.
182 Groups with levels less than `gnus-level-subscribed', which
183 should be less than this variable, are subscribed. Groups with
184 levels from `gnus-level-subscribed' (exclusive) upto this
185 variable (inclusive) are unsubscribed. See also
186 `gnus-level-zombie', `gnus-level-killed' and the Info node `Group
187 Levels' for details.")
189 (defconst gnus-level-zombie 8
190 "Groups with this level are zombie groups.")
192 (defconst gnus-level-killed 9
193 "Groups with this level are killed.")
195 (defcustom gnus-level-default-subscribed 3
196 "*New subscribed groups will be subscribed at this level."
197 :group 'gnus-group-levels
200 (defcustom gnus-level-default-unsubscribed 6
201 "*New unsubscribed groups will be unsubscribed at this level."
202 :group 'gnus-group-levels
205 (defcustom gnus-activate-level (1+ gnus-level-subscribed)
206 "*Groups higher than this level won't be activated on startup.
207 Setting this variable to something low might save lots of time when
208 you have many groups that you aren't interested in."
209 :group 'gnus-group-levels
212 (defcustom gnus-activate-foreign-newsgroups 4
213 "*If nil, Gnus will not check foreign newsgroups at startup.
214 If it is non-nil, it should be a number between one and nine. Foreign
215 newsgroups that have a level lower or equal to this number will be
216 activated on startup. For instance, if you want to active all
217 subscribed newsgroups, but not the rest, you'd set this variable to
218 `gnus-level-subscribed'.
220 If you subscribe to lots of newsgroups from different servers, startup
221 might take a while. By setting this variable to nil, you'll save time,
222 but you won't be told how many unread articles there are in the
224 :group 'gnus-group-levels
225 :type '(choice integer
226 (const :tag "none" nil)))
228 (defcustom gnus-read-newsrc-file t
229 "*Non-nil means that Gnus will read the `.newsrc' file.
230 Gnus always reads its own startup file, which is called
231 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
232 be readily understood by other newsreaders. If you don't plan on
233 using other newsreaders, set this variable to nil to save some time on
239 (defcustom gnus-save-newsrc-file t
240 "*Non-nil means that Gnus will save the `.newsrc' file.
241 Gnus always saves its own startup file, which is called
242 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
243 be readily understood by other newsreaders. If you don't plan on
244 using other newsreaders, set this variable to nil to save some time on
249 (defcustom gnus-save-killed-list t
250 "*If non-nil, save the list of killed groups to the startup file.
251 If you set this variable to nil, you'll save both time (when starting
252 and quitting) and space (both memory and disk), but it will also mean
253 that Gnus has no record of which groups are new and which are old, so
254 the automatic new newsgroups subscription methods become meaningless.
256 You should always set `gnus-check-new-newsgroups' to `ask-server' or
257 nil if you set this variable to nil.
259 This variable can also be a regexp. In that case, all groups that do
260 not match this regexp will be removed before saving the list."
262 :type '(radio (sexp :format "Non-nil\n"
263 :match (lambda (widget value)
264 (and value (not (stringp value))))
269 (defcustom gnus-ignored-newsgroups
271 '("^to\\." ; not "real" groups
272 "^[0-9. \t]+\\( \\|$\\)" ; all digits in name
273 "^[\"][]\"[#'()]" ; bogus characters
276 "*A regexp to match uninteresting newsgroups in the active file.
277 Any lines in the active file matching this regular expression are
278 removed from the newsgroup list before anything else is done to it,
279 thus making them effectively non-existent."
280 :group 'gnus-group-new
283 (defcustom gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
284 "*Function(s) called with a group name when new group is detected.
285 A few pre-made functions are supplied: `gnus-subscribe-randomly'
286 inserts new groups at the beginning of the list of groups;
287 `gnus-subscribe-alphabetically' inserts new groups in strict
288 alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
289 in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
290 for your decision; `gnus-subscribe-killed' kills all new groups;
291 `gnus-subscribe-zombies' will make all new groups into zombies;
292 `gnus-subscribe-topics' will enter groups into the topics that
294 :group 'gnus-group-new
295 :type '(radio (function-item gnus-subscribe-randomly)
296 (function-item gnus-subscribe-alphabetically)
297 (function-item gnus-subscribe-hierarchically)
298 (function-item gnus-subscribe-interactively)
299 (function-item gnus-subscribe-killed)
300 (function-item gnus-subscribe-zombies)
301 (function-item gnus-subscribe-topics)
305 (defcustom gnus-subscribe-newsgroup-hooks nil
306 "*Hooks run after you subscribe to a new group.
307 The hooks will be called with new group's name as argument."
309 :group 'gnus-group-new
312 (defcustom gnus-subscribe-options-newsgroup-method
313 'gnus-subscribe-alphabetically
314 "*Function(s) called to subscribe newsgroups mentioned on \"options -n\" lines.
315 If, for instance, you want to subscribe to all newsgroups in the
316 \"no\" and \"alt\" hierarchies, you'd put the following in your
319 options -n no.all alt.all
321 Gnus will then subscribe all new newsgroups in these hierarchies
322 with the subscription method in this variable."
323 :group 'gnus-group-new
324 :type '(radio (function-item gnus-subscribe-randomly)
325 (function-item gnus-subscribe-alphabetically)
326 (function-item gnus-subscribe-hierarchically)
327 (function-item gnus-subscribe-interactively)
328 (function-item gnus-subscribe-killed)
329 (function-item gnus-subscribe-zombies)
330 (function-item gnus-subscribe-topics)
334 (defcustom gnus-subscribe-hierarchical-interactive nil
335 "*If non-nil, Gnus will offer to subscribe hierarchically.
336 When a new hierarchy appears, Gnus will ask the user:
338 'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
340 If the user pressed `d', Gnus will descend the hierarchy, `y' will
341 subscribe to all newsgroups in the hierarchy and `s' will skip this
342 hierarchy in its entirety."
343 :group 'gnus-group-new
346 (defcustom gnus-auto-subscribed-groups
347 "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl\\|^nnmaildir"
348 "*All new groups that match this regexp will be subscribed automatically.
349 Note that this variable only deals with new groups. It has no effect
350 whatsoever on old groups.
352 New groups that match this regexp will not be handled by
353 `gnus-subscribe-newsgroup-method'. Instead, they will
354 be subscribed using `gnus-subscribe-options-newsgroup-method'."
355 :group 'gnus-group-new
358 (defcustom gnus-options-subscribe nil
359 "*All new groups matching this regexp will be subscribed unconditionally.
360 Note that this variable deals only with new newsgroups. This variable
361 does not affect old newsgroups.
363 New groups that match this regexp will not be handled by
364 `gnus-subscribe-newsgroup-method'. Instead, they will
365 be subscribed using `gnus-subscribe-options-newsgroup-method'."
366 :group 'gnus-group-new
367 :type '(choice regexp
368 (const :tag "none" nil)))
370 (defcustom gnus-options-not-subscribe nil
371 "*All new groups matching this regexp will be ignored.
372 Note that this variable deals only with new newsgroups. This variable
373 does not affect old (already subscribed) newsgroups."
374 :group 'gnus-group-new
375 :type '(choice regexp
376 (const :tag "none" nil)))
378 (defcustom gnus-modtime-botch nil
379 "*Non-nil means .newsrc should be deleted prior to save.
380 Its use is due to the bogus appearance that .newsrc was modified on
385 (defcustom gnus-check-bogus-groups-hook nil
386 "A hook run after removing bogus groups."
387 :group 'gnus-start-server
390 (defcustom gnus-startup-hook nil
391 "A hook called at startup.
392 This hook is called after Gnus is connected to the NNTP server."
396 (defcustom gnus-before-startup-hook nil
397 "A hook called at before startup.
398 This hook is called as the first thing when Gnus is started."
402 (defcustom gnus-started-hook nil
403 "A hook called as the last thing after startup."
407 (defcustom gnus-setup-news-hook
408 '(gnus-fixup-nnimap-unread-after-getting-new-news)
409 "A hook after reading the .newsrc file, but before generating the buffer."
413 (defcustom gnus-get-top-new-news-hook nil
414 "A hook run just before Gnus checks for new news globally."
416 :group 'gnus-group-new
419 (defcustom gnus-get-new-news-hook nil
420 "A hook run just before Gnus checks for new news."
421 :group 'gnus-group-new
424 (defcustom gnus-after-getting-new-news-hook
425 '(gnus-display-time-event-handler
426 gnus-fixup-nnimap-unread-after-getting-new-news)
427 "*A hook run after Gnus checks for new news when Gnus is already running."
428 :group 'gnus-group-new
431 (defcustom gnus-read-newsrc-el-hook nil
432 "A hook called after reading the newsrc.eld? file."
436 (defcustom gnus-save-newsrc-hook nil
437 "A hook called before saving any of the newsrc files."
441 (defcustom gnus-save-quick-newsrc-hook nil
442 "A hook called just before saving the quick newsrc file.
443 Can be used to turn version control on or off."
447 (defcustom gnus-save-standard-newsrc-hook nil
448 "A hook called just before saving the standard newsrc file.
449 Can be used to turn version control on or off."
453 (defcustom gnus-group-mode-hook nil
454 "Hook for Gnus group mode."
455 :group 'gnus-group-various
456 :options '(gnus-topic-mode)
459 (defcustom gnus-always-read-dribble-file nil
460 "Unconditionally read the dribble file."
464 ;;; Internal variables
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)
598 (set-buffer (nnheader-find-file-noselect gnus-current-startup-file))
600 (let ((groupkey newgroup) before)
601 (while (and (not before) groupkey)
602 (goto-char (point-min))
604 (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
605 (while (and (re-search-forward groupkey-re nil t)
607 (setq before (match-string 1))
608 (string< before newgroup)))))
609 ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
611 (when (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
612 (substring groupkey (match-beginning 1) (match-end 1)))))
613 (gnus-subscribe-newsgroup newgroup before))
614 (kill-buffer (current-buffer)))))
616 (defun gnus-subscribe-interactively (group)
617 "Subscribe the new GROUP interactively.
618 It is inserted in hierarchical newsgroup order if subscribed. If not,
620 (if (gnus-y-or-n-p (format "Subscribe new newsgroup %s? " group))
621 (gnus-subscribe-hierarchically group)
622 (push group gnus-killed-list)))
624 (defun gnus-subscribe-zombies (group)
625 "Make the new GROUP into a zombie group."
626 (push group gnus-zombie-list))
628 (defun gnus-subscribe-killed (group)
629 "Make the new GROUP a killed group."
630 (push group gnus-killed-list))
632 (defun gnus-subscribe-newsgroup (newsgroup &optional next)
633 "Subscribe new NEWSGROUP.
634 If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
635 the first newsgroup."
637 (goto-char (point-min))
638 ;; We subscribe the group by changing its level to `subscribed'.
639 (gnus-group-change-level
640 newsgroup gnus-level-default-subscribed
641 gnus-level-killed (gnus-group-entry (or next "dummy.group")))
642 (gnus-message 5 "Subscribe newsgroup: %s" newsgroup)
643 (run-hook-with-args 'gnus-subscribe-newsgroup-hooks newsgroup)
646 (defun gnus-read-active-file-p ()
647 "Say whether the active file has been read from `gnus-select-method'."
648 (memq gnus-select-method gnus-have-read-active-file))
650 ;;; General various misc type functions.
652 ;; Silence byte-compiler.
653 (defvar gnus-current-headers)
654 (defvar gnus-thread-indent-array)
655 (defvar gnus-newsgroup-name)
656 (defvar gnus-newsgroup-headers)
657 (defvar gnus-group-list-mode)
658 (defvar gnus-group-mark-positions)
659 (defvar gnus-newsgroup-data)
660 (defvar gnus-newsgroup-unreads)
661 (defvar nnoo-state-alist)
662 (defvar gnus-current-select-method)
663 (defvar mail-sources)
664 (defvar nnmail-scan-directory-mail-source-once)
665 (defvar nnmail-split-history)
666 (defvar nnmail-spool-file)
668 (defun gnus-close-all-servers ()
671 (dolist (server gnus-opened-servers)
672 (gnus-close-server (car server))))
674 (defun gnus-clear-system ()
675 "Clear all variables and buffers."
676 ;; Clear Gnus variables.
677 (let ((variables (remove 'gnus-format-specs gnus-variable-list)))
679 (set (car variables) nil)
680 (setq variables (cdr variables))))
681 ;; Clear other internal variables.
682 (setq gnus-list-of-killed-groups nil
683 gnus-have-read-active-file nil
684 gnus-agent-covered-methods nil
685 gnus-agent-file-loading-local nil
686 gnus-agent-file-loading-cache nil
687 gnus-server-method-cache nil
688 gnus-newsrc-alist nil
689 gnus-newsrc-hashtb nil
692 gnus-killed-hashtb nil
693 gnus-active-hashtb nil
694 gnus-moderated-hashtb nil
695 gnus-description-hashtb nil
696 gnus-current-headers nil
697 gnus-thread-indent-array nil
698 gnus-newsgroup-headers nil
699 gnus-newsgroup-name nil
700 gnus-server-alist nil
701 gnus-group-list-mode nil
702 gnus-opened-servers nil
703 gnus-group-mark-positions nil
704 gnus-newsgroup-data nil
705 gnus-newsgroup-unreads nil
707 gnus-current-select-method nil
708 nnmail-split-history nil
709 gnus-ephemeral-servers nil)
710 (gnus-shutdown 'gnus)
711 ;; Kill the startup file.
712 (and gnus-current-startup-file
713 (get-file-buffer gnus-current-startup-file)
714 (kill-buffer (get-file-buffer gnus-current-startup-file)))
715 ;; Clear the dribble buffer.
717 ;; Kill global KILL file buffer.
718 (when (get-file-buffer (gnus-newsgroup-kill-file nil))
719 (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil))))
720 (gnus-kill-buffer nntp-server-buffer)
721 ;; Kill Gnus buffers.
722 (dolist (buffer (gnus-buffers))
723 (gnus-kill-buffer buffer))
724 ;; Remove Gnus frames.
725 (gnus-kill-gnus-frames))
727 (defun gnus-no-server-1 (&optional arg slave)
729 If ARG is a positive number, Gnus will use that as the startup
730 level. If ARG is nil, Gnus will be started at level 2
731 \(`gnus-level-default-subscribed' minus one). If ARG is non-nil
732 and not a positive number, Gnus will prompt the user for the name
733 of an NNTP server to use. As opposed to \\[gnus], this command
734 will not connect to the local server."
736 (let ((val (or arg (1- gnus-level-default-subscribed))))
738 (make-local-variable 'gnus-group-use-permanent-levels)
739 (setq gnus-group-use-permanent-levels val)))
741 (defun gnus-1 (&optional arg dont-connect slave)
743 If ARG is non-nil and a positive number, Gnus will use that as the
744 startup level. If ARG is non-nil and not a positive number, Gnus will
745 prompt the user for the name of an NNTP server to use."
750 (switch-to-buffer gnus-group-buffer)
751 (gnus-group-get-new-news
754 (max (car gnus-group-list-mode) arg))))
758 (gnus-run-hooks 'gnus-before-startup-hook)
759 (nnheader-init-server-buffer)
760 (setq gnus-slave slave)
761 (gnus-read-init-file)
763 ;; Add "native" to gnus-predefined-server-alist just to have a
764 ;; name for the native select method.
765 (when gnus-select-method
766 (push (cons "native" gnus-select-method)
767 gnus-predefined-server-alist))
772 (when gnus-simple-splash
773 (setq gnus-simple-splash nil)
780 (let ((level (and (numberp arg) (> arg 0) arg))
786 (gnus-start-news-server (and arg (not level))))))
787 (if (and (not dont-connect)
790 (gnus-run-hooks 'gnus-startup-hook)
791 ;; NNTP server is successfully open.
793 ;; Find the current startup file name.
794 (setq gnus-current-startup-file
795 (gnus-make-newsrc-file gnus-startup-file))
797 ;; Read the dribble file.
798 (when (or gnus-slave gnus-use-dribble-file)
799 (gnus-dribble-read-file))
801 ;; Do the actual startup.
803 (gnus-request-create-group "queue" '(nndraft "")))
804 (gnus-request-create-group "drafts" '(nndraft ""))
805 (gnus-setup-news nil level dont-connect)
806 (gnus-run-hooks 'gnus-setup-news-hook)
807 (gnus-start-draft-setup)
808 ;; Generate the group buffer.
809 (gnus-group-list-groups level)
810 (gnus-group-first-unread-group)
811 (gnus-configure-windows 'group)
812 (gnus-group-set-mode-line)
813 (gnus-run-hooks 'gnus-started-hook))))))
815 (defun gnus-start-draft-setup ()
816 "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)
860 (set-buffer gnus-group-buffer)
861 (gnus-group-set-mode-line))
864 (defun gnus-dribble-touch ()
865 "Touch the dribble buffer."
866 (gnus-dribble-enter ""))
868 (defun gnus-dribble-read-file ()
869 "Read the dribble file from disk."
870 (let ((dribble-file (gnus-dribble-file-name)))
872 (set-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
924 (set-buffer gnus-dribble-buffer)
925 (let ((auto (make-auto-save-file-name)))
926 (when (file-exists-p auto)
929 (set-buffer-modified-p nil)))))
931 (defun gnus-dribble-save ()
932 (when (and gnus-dribble-buffer
933 (buffer-name gnus-dribble-buffer))
935 (set-buffer gnus-dribble-buffer)
938 (defun gnus-dribble-clear ()
939 (when (gnus-buffer-exists-p gnus-dribble-buffer)
941 (set-buffer gnus-dribble-buffer)
943 (set-buffer-modified-p nil)
944 (setq buffer-saved-size (buffer-size)))))
948 ;;; Active & Newsrc File Handling
951 (defun gnus-setup-news (&optional rawfile level dont-connect)
952 "Setup news information.
953 If RAWFILE is non-nil, the .newsrc file will also be read.
954 If LEVEL is non-nil, the news will be set up at level LEVEL."
956 (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile))))
957 ;; Binding this variable will inhibit multiple fetchings
958 ;; of the same mail source.
959 (nnmail-fetched-sources (list t)))
962 ;; Clear some variables to re-initialize news information.
963 (setq gnus-newsrc-alist nil
964 gnus-active-hashtb nil)
965 ;; Read the newsrc file and create `gnus-newsrc-hashtb'.
966 (gnus-read-newsrc-file rawfile))
968 ;; Make sure the archive server is available to all and sundry.
969 (let ((method (or (and (stringp gnus-message-archive-method)
970 (gnus-server-to-method
971 gnus-message-archive-method))
972 gnus-message-archive-method)))
973 ;; Check whether the archive method is writable.
974 (unless (or (not method)
976 (memq 'respool (assoc (format "%s" (car method))
977 gnus-valid-select-methods)))
978 (setq method "archive")) ;; The default.
979 (when (stringp method)
980 (setq method `(nnfolder
983 ,(nnheader-concat message-directory method))
984 (nnfolder-active-file
985 ,(nnheader-concat message-directory
986 (concat method "/active")))
987 (nnfolder-get-new-mail nil)
988 (nnfolder-inhibit-expiry t))))
989 (if (assoc "archive" gnus-server-alist)
990 (when gnus-update-message-archive-method
992 (setcdr (assoc "archive" gnus-server-alist) method)
993 (setq gnus-server-alist (delq (assoc "archive" gnus-server-alist)
994 gnus-server-alist))))
996 (push (cons "archive" method) gnus-server-alist))))
998 ;; If we don't read the complete active file, we fill in the
1000 (when (or (null gnus-read-active-file)
1001 (eq gnus-read-active-file 'some))
1002 (gnus-update-active-hashtb-from-killed))
1004 ;; Validate agent covered methods now that gnus-server-alist has
1005 ;; been initialized.
1006 ;; NOTE: This is here for one purpose only. By validating the
1007 ;; agentized server's, it converts the old 5.10.3, and earlier,
1008 ;; format to the current format. That enables the agent code
1009 ;; within gnus-read-active-file to function correctly.
1011 (gnus-agent-read-servers-validate))
1013 ;; Read the active file and create `gnus-active-hashtb'.
1014 ;; If `gnus-read-active-file' is nil, then we just create an empty
1015 ;; hash table. The partial filling out of the hash table will be
1016 ;; done in `gnus-get-unread-articles'.
1017 (and gnus-read-active-file
1019 (gnus-read-active-file nil dont-connect))
1021 (unless gnus-active-hashtb
1022 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1024 ;; Initialize the cache.
1025 (when gnus-use-cache
1028 ;; Possibly eval the dribble file.
1030 (or gnus-use-dribble-file gnus-slave)
1031 (gnus-dribble-eval-file))
1033 ;; Slave Gnusii should then clear the dribble buffer.
1034 (when (and init gnus-slave)
1035 (gnus-dribble-clear))
1037 (gnus-update-format-specifications)
1039 ;; See whether we need to read the description file.
1040 (when (and (boundp 'gnus-group-line-format)
1041 (stringp gnus-group-line-format)
1042 (let ((case-fold-search nil))
1043 (string-match "%[-,0-9]*D" gnus-group-line-format))
1044 (not gnus-description-hashtb)
1046 gnus-read-active-file)
1047 (gnus-read-all-descriptions-files))
1049 ;; Find new newsgroups and treat them.
1050 (when (and init gnus-check-new-newsgroups (not level)
1051 (gnus-check-server gnus-select-method)
1054 (gnus-find-new-newsgroups))
1056 ;; Check and remove bogus newsgroups.
1057 (when (and init gnus-check-bogus-newsgroups
1058 gnus-read-active-file (not level)
1059 (gnus-server-opened gnus-select-method))
1060 (gnus-check-bogus-newsgroups))
1062 ;; We might read in new NoCeM messages here.
1063 (when (and (not dont-connect)
1065 (or (and (numberp gnus-use-nocem)
1067 (>= level gnus-use-nocem))
1069 (gnus-nocem-scan-groups))
1071 ;; Read any slave files.
1072 (gnus-master-read-slave-newsrc)
1074 ;; Find the number of unread articles in each non-dead group.
1075 (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
1076 (gnus-get-unread-articles level))))
1078 (defun gnus-call-subscribe-functions (method group)
1079 "Call METHOD to subscribe GROUP.
1080 If no function returns `non-nil', call `gnus-subscribe-zombies'."
1083 (funcall method group))
1086 (dolist (func method)
1087 (if (funcall func group)
1091 (gnus-subscribe-zombies group)))
1093 (defun gnus-find-new-newsgroups (&optional arg)
1094 "Search for new newsgroups and add them.
1095 Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method'.
1096 The `-n' option line from .newsrc is respected.
1098 With 1 C-u, use the `ask-server' method to query the server for new
1100 With 2 C-u's, use most complete method possible to query the server
1101 for new groups, and subscribe the new groups as zombies."
1103 (let* ((gnus-subscribe-newsgroup-method
1104 gnus-subscribe-newsgroup-method)
1106 ((or (and (= (or arg 1) 4)
1107 (not (listp gnus-check-new-newsgroups)))
1108 (null gnus-read-active-file)
1109 (eq gnus-read-active-file 'some))
1112 (setq gnus-subscribe-newsgroup-method
1113 'gnus-subscribe-zombies)
1115 (t gnus-check-new-newsgroups))))
1116 (unless (gnus-check-first-time-used)
1117 (if (or (consp check)
1118 (eq check 'ask-server))
1119 ;; Ask the server for new groups.
1120 (gnus-ask-server-for-new-groups)
1121 ;; Go through the active hashtb and look for new groups.
1123 group new-newsgroups)
1124 (gnus-message 5 "Looking for new newsgroups...")
1125 (unless gnus-have-read-active-file
1126 (gnus-read-active-file))
1127 (setq gnus-newsrc-last-checked-date (message-make-date))
1128 (unless gnus-killed-hashtb
1129 (gnus-make-hashtable-from-killed))
1130 ;; Go though every newsgroup in `gnus-active-hashtb' and compare
1131 ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
1134 (if (or (null (setq group (symbol-name sym)))
1136 (null (symbol-value sym))
1137 (gnus-gethash group gnus-killed-hashtb)
1138 (gnus-gethash group gnus-newsrc-hashtb))
1140 (let ((do-sub (gnus-matches-options-n group)))
1142 ((eq do-sub 'subscribe)
1143 (setq groups (1+ groups))
1144 (gnus-sethash group group gnus-killed-hashtb)
1145 (gnus-call-subscribe-functions
1146 gnus-subscribe-options-newsgroup-method group))
1147 ((eq do-sub 'ignore)
1150 (setq groups (1+ groups))
1151 (gnus-sethash group group gnus-killed-hashtb)
1152 (if gnus-subscribe-hierarchical-interactive
1153 (push group new-newsgroups)
1154 (gnus-call-subscribe-functions
1155 gnus-subscribe-newsgroup-method group)))))))
1157 (when new-newsgroups
1158 (gnus-subscribe-hierarchical-interactive new-newsgroups))
1160 (gnus-message 5 "%d new newsgroup%s arrived."
1161 groups (if (> groups 1) "s have" " has"))
1162 (gnus-message 5 "No new newsgroups.")))))))
1164 (defun gnus-matches-options-n (group)
1165 ;; Returns `subscribe' if the group is to be unconditionally
1166 ;; subscribed, `ignore' if it is to be ignored, and nil if there is
1167 ;; no match for the group.
1169 ;; First we check the two user variables.
1171 ((and gnus-options-subscribe
1172 (string-match gnus-options-subscribe group))
1174 ((and gnus-auto-subscribed-groups
1175 (string-match gnus-auto-subscribed-groups group))
1177 ((and gnus-options-not-subscribe
1178 (string-match gnus-options-not-subscribe group))
1180 ;; Then we go through the list that was retrieved from the .newsrc
1181 ;; file. This list has elements on the form
1182 ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
1183 ;; is in the reverse order of the options line) is returned.
1185 (let ((regs gnus-newsrc-options-n))
1187 (not (string-match (caar regs) group)))
1188 (setq regs (cdr regs)))
1189 (and regs (cdar regs))))))
1191 (defun gnus-ask-server-for-new-groups ()
1192 (let* ((new-date (message-make-date))
1193 (date (or gnus-newsrc-last-checked-date new-date))
1194 (methods (cons gnus-select-method
1196 (when (gnus-archive-server-wanted-p)
1199 (and (consp gnus-check-new-newsgroups)
1200 gnus-check-new-newsgroups)
1201 gnus-secondary-select-methods))))
1203 group new-newsgroups got-new method hashtb
1204 gnus-override-subscribe-method)
1205 (unless gnus-killed-hashtb
1206 (gnus-make-hashtable-from-killed))
1207 ;; Go through both primary and secondary select methods and
1208 ;; request new newsgroups.
1209 (while (setq method (gnus-server-get-method nil (pop methods)))
1210 (setq new-newsgroups nil
1211 gnus-override-subscribe-method method)
1212 (when (and (gnus-check-server method)
1213 (gnus-request-newgroups date method))
1216 hashtb (gnus-make-hashtable 100))
1217 (set-buffer nntp-server-buffer)
1218 ;; Enter all the new groups into a hashtable.
1219 (gnus-active-to-gnus-format method hashtb 'ignore))
1220 ;; Now all new groups from `method' are in `hashtb'.
1223 (if (or (null (setq group (symbol-name group-sym)))
1224 (not (boundp group-sym))
1225 (null (symbol-value group-sym))
1226 (gnus-gethash group gnus-newsrc-hashtb)
1227 (member group gnus-zombie-list)
1228 (member group gnus-killed-list))
1229 ;; The group is already known.
1231 ;; Make this group active.
1232 (when (symbol-value group-sym)
1233 (gnus-set-active group (symbol-value group-sym)))
1234 ;; Check whether we want it or not.
1235 (let ((do-sub (gnus-matches-options-n group)))
1237 ((eq do-sub 'subscribe)
1239 (gnus-sethash group group gnus-killed-hashtb)
1240 (gnus-call-subscribe-functions
1241 gnus-subscribe-options-newsgroup-method group))
1242 ((eq do-sub 'ignore)
1246 (gnus-sethash group group gnus-killed-hashtb)
1247 (if gnus-subscribe-hierarchical-interactive
1248 (push group new-newsgroups)
1249 (gnus-call-subscribe-functions
1250 gnus-subscribe-newsgroup-method group)))))))
1252 (when new-newsgroups
1253 (gnus-subscribe-hierarchical-interactive new-newsgroups)))
1255 (gnus-message 5 "%d new newsgroup%s arrived"
1256 groups (if (> groups 1) "s have" " has"))
1257 (gnus-message 5 "No new newsgroups"))
1259 (setq gnus-newsrc-last-checked-date new-date))
1262 (defun gnus-check-first-time-used ()
1264 ;; First check if any of the following files exist. If they do,
1265 ;; it's not the first time the user has used Gnus.
1266 (dolist (file (list (concat gnus-current-startup-file ".el")
1267 (concat gnus-current-startup-file ".eld")
1268 (concat gnus-startup-file ".el")
1269 (concat gnus-startup-file ".eld")))
1270 (when (file-exists-p file)
1271 (throw 'ended nil)))
1272 (gnus-message 6 "First time user; subscribing you to default groups")
1273 (unless (gnus-read-active-file-p)
1274 (let ((gnus-read-active-file t))
1275 (gnus-read-active-file)))
1276 (setq gnus-newsrc-last-checked-date (message-make-date))
1277 ;; Subscribe to the default newsgroups.
1278 (let ((groups (or gnus-default-subscribed-newsgroups
1279 gnus-backup-default-subscribed-newsgroups))
1282 ;; If t, we subscribe (or not) all groups as if they were new.
1285 (when (setq group (symbol-name sym))
1286 (let ((do-sub (gnus-matches-options-n group)))
1288 ((eq do-sub 'subscribe)
1289 (gnus-sethash group group gnus-killed-hashtb)
1290 (gnus-call-subscribe-functions
1291 gnus-subscribe-options-newsgroup-method group))
1292 ((eq do-sub 'ignore)
1295 (push group gnus-killed-list))))))
1297 (dolist (group groups)
1298 ;; Only subscribe the default groups that are activated.
1299 (when (gnus-active group)
1300 (gnus-group-change-level
1301 group gnus-level-default-subscribed gnus-level-killed)))
1303 (set-buffer gnus-group-buffer)
1304 ;; Don't error if the group already exists. This happens when a
1305 ;; first-time user types 'F'. -- didier
1306 (gnus-group-make-help-group t))
1307 (when gnus-novice-user
1308 (gnus-message 7 "`A k' to list killed groups"))))))
1310 (defun gnus-subscribe-group (group &optional previous method)
1311 "Subscribe GROUP and put it after PREVIOUS."
1312 (gnus-group-change-level
1314 (list t group gnus-level-default-subscribed nil nil method)
1316 gnus-level-default-subscribed gnus-level-killed previous t)
1319 ;; `gnus-group-change-level' is the fundamental function for changing
1320 ;; subscription levels of newsgroups. This might mean just changing
1321 ;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back
1322 ;; again, which subscribes/unsubscribes a group, which is equally
1323 ;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and
1324 ;; from 8-9 to 1-7 means that you remove the group from the list of
1325 ;; killed (or zombie) groups and add them to the (kinda) subscribed
1326 ;; groups. And last but not least, moving from 8 to 9 and 9 to 8,
1327 ;; which is trivial.
1328 ;; ENTRY can either be a string (newsgroup name) or a list (if
1329 ;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST),
1330 ;; otherwise it's a list in the format of the `gnus-newsrc-hashtb'
1332 ;; LEVEL is the new level of the group, OLDLEVEL is the old level and
1333 ;; PREVIOUS is the group (in hashtb entry format) to insert this group
1335 (defun gnus-group-change-level (entry level &optional oldlevel
1336 previous fromkilled)
1337 (let (group info active num)
1338 ;; Glean what info we can from the arguments
1340 (if fromkilled (setq group (nth 1 entry))
1341 (setq group (car (nth 2 entry))))
1343 (when (and (stringp entry)
1345 (< oldlevel gnus-level-zombie))
1346 (setq entry (gnus-group-entry entry)))
1347 (if (and (not oldlevel)
1349 (setq oldlevel (gnus-info-level (nth 2 entry)))
1350 (setq oldlevel (or oldlevel gnus-level-killed)))
1351 (when (stringp previous)
1352 (setq previous (gnus-group-entry previous)))
1354 (if (and (>= oldlevel gnus-level-zombie)
1355 (gnus-group-entry group))
1356 ;; We are trying to subscribe a group that is already
1360 (unless (gnus-ephemeral-group-p group)
1362 (format "(gnus-group-change-level %S %S %S %S %S)"
1363 group level oldlevel (car (nth 2 previous)) fromkilled)))
1365 ;; Then we remove the newgroup from any old structures, if needed.
1366 ;; If the group was killed, we remove it from the killed or zombie
1367 ;; list. If not, and it is in fact going to be killed, we remove
1368 ;; it from the newsrc hash table and assoc.
1370 ((>= oldlevel gnus-level-zombie)
1371 ;; oldlevel could be wrong.
1372 (setq gnus-zombie-list (delete group gnus-zombie-list))
1373 (setq gnus-killed-list (delete group gnus-killed-list)))
1375 (when (and (>= level gnus-level-zombie)
1377 (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb)
1379 (setcdr (gnus-group-entry (car (nth 3 entry)))
1381 (setcdr (cdr entry) (cdddr entry)))))
1383 ;; Finally we enter (if needed) the list where it is supposed to
1384 ;; go, and change the subscription level. If it is to be killed,
1385 ;; we enter it into the killed or zombie list.
1387 ((>= level gnus-level-zombie)
1388 ;; Remove from the hash table.
1389 (gnus-sethash group nil gnus-newsrc-hashtb)
1390 ;; We do not enter foreign groups into the list of dead
1392 (unless (gnus-group-foreign-p group)
1393 (if (= level gnus-level-zombie)
1394 (push group gnus-zombie-list)
1395 (if (= oldlevel gnus-level-killed)
1396 ;; Remove from active hashtb.
1397 (unintern group gnus-active-hashtb)
1398 ;; Don't add it into killed-list if it was killed.
1399 (push group gnus-killed-list)))))
1401 ;; If the list is to be entered into the newsrc assoc, and
1402 ;; it was killed, we have to create an entry in the newsrc
1403 ;; hashtb format and fix the pointers in the newsrc assoc.
1404 (if (< oldlevel gnus-level-zombie)
1405 ;; It was alive, and it is going to stay alive, so we
1406 ;; just change the level and don't change any pointers or
1407 ;; hash table entries.
1408 (setcar (cdaddr entry) level)
1410 (setq info (cdr entry)
1412 (setq active (gnus-active group))
1414 (if active (- (1+ (cdr active)) (car active)) t))
1415 ;; Shorten the select method if possible, if we need to
1416 ;; store it at all (native groups).
1417 (let ((method (gnus-method-simplify
1418 (or gnus-override-subscribe-method
1419 (gnus-group-method group)))))
1421 (setq info (list group level nil nil method))
1422 (setq info (list group level nil)))))
1425 (let ((p gnus-newsrc-alist))
1429 (setq entry (cons info (cddr previous)))
1432 (setcdr (cdr previous) entry)
1433 (gnus-sethash group (cons num (cdr previous))
1434 gnus-newsrc-hashtb))
1435 (setcdr previous entry)
1436 (gnus-sethash group (cons num previous)
1437 gnus-newsrc-hashtb))
1439 (setcdr (gnus-group-entry (caadr entry)) entry))
1442 "(gnus-group-set-info '%S)" info)))))
1443 (when gnus-group-change-level-function
1444 (funcall gnus-group-change-level-function
1445 group level oldlevel previous)))))
1447 (defun gnus-kill-newsgroup (newsgroup)
1448 "Obsolete function. Kills a newsgroup."
1449 (gnus-group-change-level
1450 (gnus-group-entry newsgroup) gnus-level-killed))
1452 (defun gnus-check-bogus-newsgroups (&optional confirm)
1453 "Remove bogus newsgroups.
1454 If CONFIRM is non-nil, the user has to confirm the deletion of every
1456 (let ((newsrc (cdr gnus-newsrc-alist))
1457 bogus group entry info)
1458 (gnus-message 5 "Checking bogus newsgroups...")
1459 (unless (gnus-read-active-file-p)
1460 (gnus-read-active-file t))
1461 (when (gnus-read-active-file-p)
1462 ;; Find all bogus newsgroup that are subscribed.
1464 (setq info (pop newsrc)
1465 group (gnus-info-group info))
1466 (unless (or (gnus-active group) ; Active
1467 (and (gnus-info-method info)
1468 (not (gnus-secondary-method-p
1469 (gnus-info-method info))))) ; Foreign
1470 ;; Found a bogus newsgroup.
1471 (push group bogus)))
1474 "Remove bogus group %s? "
1476 ;; Remove all bogus subscribed groups by first killing them, and
1477 ;; then removing them from the list of killed groups.
1478 (when (setq entry (gnus-group-entry group))
1479 (gnus-group-change-level entry gnus-level-killed)
1480 (setq gnus-killed-list (delete group gnus-killed-list))))
1481 bogus '("group" "groups" "remove"))
1482 (while (setq group (pop bogus))
1483 ;; Remove all bogus subscribed groups by first killing them, and
1484 ;; then removing them from the list of killed groups.
1485 (when (setq entry (gnus-group-entry group))
1486 (gnus-group-change-level entry gnus-level-killed)
1487 (setq gnus-killed-list (delete group gnus-killed-list)))))
1488 ;; Then we remove all bogus groups from the list of killed and
1489 ;; zombie groups. They are removed without confirmation.
1490 (let ((dead-lists '(gnus-killed-list gnus-zombie-list))
1493 (setq killed (symbol-value (car dead-lists)))
1495 (unless (gnus-active (setq group (pop killed)))
1496 ;; The group is bogus.
1498 (set (car dead-lists)
1499 (delete group (symbol-value (car dead-lists))))))
1500 (setq dead-lists (cdr dead-lists))))
1501 (gnus-run-hooks 'gnus-check-bogus-groups-hook)
1502 (gnus-message 5 "Checking bogus newsgroups...done"))))
1504 (defun gnus-check-duplicate-killed-groups ()
1505 "Remove duplicates from the list of killed groups."
1507 (let ((killed gnus-killed-list))
1509 (gnus-message 9 "%d" (length killed))
1510 (setcdr killed (delete (car killed) (cdr killed)))
1511 (setq killed (cdr killed)))))
1513 ;; We want to inline a function from gnus-cache, so we cheat here:
1514 (defvar gnus-cache-active-hashtb)
1516 (defun gnus-cache-possibly-alter-active (group active)
1517 "Alter the ACTIVE info for GROUP to reflect the articles in the cache."
1518 (when gnus-cache-active-hashtb
1519 (let ((cache-active (gnus-gethash group gnus-cache-active-hashtb)))
1521 (when (< (car cache-active) (car active))
1522 (setcar active (car cache-active)))
1523 (when (> (cdr cache-active) (cdr active))
1524 (setcdr active (cdr cache-active))))))))
1526 (defun gnus-activate-group (group &optional scan dont-check method)
1527 "Check whether a group has been activated or not.
1528 If SCAN, request a scan of that group as well."
1529 (let ((method (or method (inline (gnus-find-method-for-group group))))
1531 (and (inline (gnus-check-server method))
1532 ;; We escape all bugs and quit here to make it possible to
1533 ;; continue if a group is so out-there that it reports bugs
1537 (gnus-check-backend-function 'request-scan (car method))
1538 (gnus-request-scan group method))
1540 (if (or debug-on-error debug-on-quit)
1541 (inline (gnus-request-group group dont-check method))
1543 (inline (gnus-request-group group dont-check method))
1546 (message "Quit activating %s" group)
1549 (setq active (gnus-parse-active))
1550 ;; If there are no articles in the group, the GROUP
1551 ;; command may have responded with the `(0 . 0)'. We
1552 ;; ignore this if we already have an active entry
1554 (if (and (zerop (or (car active) 0))
1555 (zerop (or (cdr active) 0))
1556 (gnus-active group))
1559 ;; If a cache is present, we may have to alter the active info.
1560 (when gnus-use-cache
1561 (inline (gnus-cache-possibly-alter-active
1564 ;; If the agent is enabled, we may have to alter the active info.
1566 (gnus-agent-possibly-alter-active group active))
1568 (gnus-set-active group active)
1569 ;; Return the new active info.
1572 (defun gnus-get-unread-articles-in-group (info active &optional update)
1573 (when (and info active)
1574 ;; Allow the backend to update the info in the group.
1576 (gnus-request-update-info
1577 info (inline (gnus-find-method-for-group
1578 (gnus-info-group info)))))
1579 (gnus-activate-group (gnus-info-group info) nil t))
1581 (let* ((range (gnus-info-read info))
1584 ;; These checks are present in gnus-activate-group but skipped
1585 ;; due to setting dont-check in the preceeding call.
1587 ;; If a cache is present, we may have to alter the active info.
1588 (when (and gnus-use-cache info)
1589 (inline (gnus-cache-possibly-alter-active
1590 (gnus-info-group info) active)))
1592 ;; If the agent is enabled, we may have to alter the active info.
1593 (when (and gnus-agent info)
1594 (gnus-agent-possibly-alter-active (gnus-info-group info) active info))
1596 ;; Modify the list of read articles according to what articles
1597 ;; are available; then tally the unread articles and add the
1598 ;; number to the group hash table entry.
1600 ((zerop (cdr active))
1603 (setq num (- (1+ (cdr active)) (car active))))
1604 ((not (listp (cdr range)))
1605 ;; Fix a single (num . num) range according to the
1606 ;; active hash table.
1607 ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>.
1608 (and (< (cdr range) (car active)) (setcdr range (1- (car active))))
1609 (and (> (cdr range) (cdr active)) (setcdr range (cdr active)))
1610 ;; Compute number of unread articles.
1611 (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range))))))
1613 ;; The read list is a list of ranges. Fix them according to
1614 ;; the active hash table.
1615 ;; First peel off any elements that are below the lower
1617 (while (and (cdr range)
1619 (or (and (atom (cadr range)) (cadr range))
1621 (if (numberp (car range))
1624 (or (and (numberp (cadr range))
1628 (or (and (numberp (nth 1 range)) (nth 1 range))
1630 (setcdr range (cddr range)))
1631 ;; Adjust the first element to be the same as the lower limit.
1632 (when (and (not (atom (car range)))
1633 (< (cdar range) (car active)))
1634 (setcdr (car range) (1- (car active))))
1635 ;; Then we want to peel off any elements that are higher
1636 ;; than the upper active limit.
1637 (let ((srange range))
1638 ;; Go past all valid elements.
1639 (while (and (cdr srange)
1640 (<= (or (and (atom (cadr srange))
1644 (setq srange (cdr srange)))
1646 ;; Nuke all remaining invalid elements.
1647 (setcdr srange nil))
1649 ;; Adjust the final element.
1650 (when (and (not (atom (car srange)))
1651 (> (cdar srange) (cdr active)))
1652 (setcdr (car srange) (cdr active))))
1653 ;; Compute the number of unread articles.
1655 (setq num (+ num (- (1+ (or (and (atom (car range)) (car range))
1657 (or (and (atom (car range)) (car range))
1659 (setq range (cdr range)))
1660 (setq num (max 0 (- (cdr active) num)))))
1661 ;; Set the number of unread articles.
1663 (gnus-group-entry (gnus-info-group info)))
1664 (setcar (gnus-group-entry (gnus-info-group info)) num))
1667 ;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb'
1668 ;; and compute how many unread articles there are in each group.
1669 (defun gnus-get-unread-articles (&optional level)
1670 (setq gnus-server-method-cache nil)
1671 (let* ((newsrc (cdr gnus-newsrc-alist))
1672 (alevel (or level gnus-activate-level (1+ gnus-level-subscribed)))
1675 (cond ((and gnus-activate-foreign-newsgroups
1676 (not (numberp gnus-activate-foreign-newsgroups)))
1677 (1+ gnus-level-subscribed))
1678 ((numberp gnus-activate-foreign-newsgroups)
1679 gnus-activate-foreign-newsgroups)
1684 scanned-methods info group active method retrieve-groups cmethod
1686 (gnus-message 6 "Checking new news...")
1689 (setq active (gnus-active (setq group (gnus-info-group
1690 (setq info (pop newsrc))))))
1692 ;; Check newsgroups. If the user doesn't want to check them, or
1693 ;; they can't be checked (for instance, if the news server can't
1694 ;; be reached) we just set the number of unread articles in this
1695 ;; newsgroup to t. This means that Gnus thinks that there are
1696 ;; unread articles, but it has no idea how many.
1698 ;; To be more explicit:
1699 ;; >0 for an active group with messages
1700 ;; 0 for an active group with no unread messages
1701 ;; nil for non-foreign groups that the user has requested not be checked
1702 ;; t for unchecked foreign groups or bogus groups, or groups that can't
1703 ;; be checked, for one reason or other.
1704 (when (setq method (gnus-info-method info))
1705 (if (setq cmethod (assoc method methods-cache))
1706 (setq method (cdr cmethod))
1707 (setq cmethod (inline (gnus-server-get-method nil method)))
1708 (push (cons method cmethod) methods-cache)
1709 (setq method cmethod)))
1711 (not (setq method-type (cdr (assoc method type-cache)))))
1714 ((gnus-secondary-method-p method)
1716 ((inline (gnus-server-equal gnus-select-method method))
1720 (push (cons method method-type) type-cache))
1722 (cond ((and method (eq method-type 'foreign))
1723 ;; These groups are foreign. Check the level.
1724 (if (<= (gnus-info-level info) foreign-level)
1725 (when (setq active (gnus-activate-group group 'scan))
1726 ;; Let the Gnus agent save the active file.
1727 (when (and gnus-agent active (gnus-online method))
1728 (gnus-agent-save-group-info
1729 method (gnus-group-real-name group) active))
1730 (unless (inline (gnus-virtual-group-p group))
1731 (inline (gnus-close-group group)))
1732 (when (fboundp (intern (concat (symbol-name (car method))
1733 "-request-update-info")))
1734 (inline (gnus-request-update-info info method))))
1736 ;; If `active' is nil that means the group has
1737 ;; never been read, the group should be marked
1738 ;; as having never been checked (see below).
1740 (> (gnus-info-level info) level))
1741 ;; Don't check groups of which levels are higher
1742 ;; than the one that a user specified.
1743 (setq active 'ignore))))
1744 ;; These groups are native or secondary.
1745 ((> (gnus-info-level info) alevel)
1746 ;; We don't want these groups.
1747 (setq active 'ignore))
1749 ((not gnus-read-active-file)
1750 (if (gnus-check-backend-function 'retrieve-groups group)
1751 ;; if server support gnus-retrieve-groups we push
1752 ;; the group onto retrievegroups for later checking
1753 (if (assoc method retrieve-groups)
1754 (setcdr (assoc method retrieve-groups)
1755 (cons group (cdr (assoc method retrieve-groups))))
1756 (push (list method group) retrieve-groups))
1757 ;; hack: `nnmail-get-new-mail' changes the mail-source depending
1758 ;; on the group, so we must perform a scan for every group
1759 ;; if the users has any directory mail sources.
1760 ;; hack: if `nnmail-scan-directory-mail-source-once' is non-nil,
1761 ;; for it scan all spool files even when the groups are
1764 (or nnmail-scan-directory-mail-source-once
1765 (null (assq 'directory mail-sources)))
1766 (member method scanned-methods))
1767 (setq active (gnus-activate-group group))
1768 (setq active (gnus-activate-group group 'scan))
1769 (push method scanned-methods))
1771 (gnus-close-group group)))))
1773 ;; Get the number of unread articles in the group.
1775 ((eq active 'ignore)
1776 ;; Don't do anything.
1779 (inline (gnus-get-unread-articles-in-group info active t)))
1781 ;; The group couldn't be reached, so we nix out the number of
1782 ;; unread articles and stuff.
1783 (gnus-set-active group nil)
1784 (let ((tmp (gnus-group-entry group)))
1788 ;; iterate through groups on methods which support gnus-retrieve-groups
1789 ;; and fetch a partial active file and use it to find new news.
1790 (dolist (rg retrieve-groups)
1791 (let ((method (or (car rg) gnus-select-method))
1793 (when (gnus-check-server method)
1794 ;; Request that the backend scan its incoming messages.
1795 (when (gnus-check-backend-function 'request-scan (car method))
1796 (gnus-request-scan nil method))
1797 (gnus-read-active-file-2
1798 (mapcar (lambda (group) (gnus-group-real-name group)) groups)
1800 (dolist (group groups)
1802 ((setq active (gnus-active (gnus-info-group
1803 (setq info (gnus-get-info group)))))
1804 (inline (gnus-get-unread-articles-in-group info active t)))
1806 ;; The group couldn't be reached, so we nix out the number of
1807 ;; unread articles and stuff.
1808 (gnus-set-active group nil)
1809 (setcar (gnus-group-entry group) t)))))))
1811 (gnus-message 6 "Checking new news...done")))
1813 ;; Create a hash table out of the newsrc alist. The `car's of the
1814 ;; alist elements are used as keys.
1815 (defun gnus-make-hashtable-from-newsrc-alist ()
1816 (let ((alist gnus-newsrc-alist)
1817 (ohashtb gnus-newsrc-hashtb)
1818 prev info method rest methods)
1819 (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
1821 (setq prev (setq gnus-newsrc-alist
1822 (if (equal (caar gnus-newsrc-alist)
1825 (cons (list "dummy.group" 0 nil) alist)))))
1827 (setq info (car alist))
1828 ;; Make the same select-methods identical Lisp objects.
1829 (when (setq method (gnus-info-method info))
1830 (if (setq rest (member method methods))
1831 (gnus-info-set-method info (car rest))
1832 (push method methods)))
1835 ;; Preserve number of unread articles in groups.
1836 (cons (and ohashtb (car (gnus-gethash (car info) ohashtb)))
1841 ;; Make the same select-methods in `gnus-server-alist' identical
1844 (setq method (pop methods))
1845 (when (setq rest (rassoc method gnus-server-alist))
1846 (setcdr rest method)))))
1848 (defun gnus-make-hashtable-from-killed ()
1849 "Create a hash table from the killed and zombie lists."
1850 (let ((lists '(gnus-killed-list gnus-zombie-list))
1852 (setq gnus-killed-hashtb
1853 (gnus-make-hashtable
1854 (+ (length gnus-killed-list) (length gnus-zombie-list))))
1856 (setq list (symbol-value (pop lists)))
1858 (gnus-sethash (car list) (pop list) gnus-killed-hashtb)))))
1860 (defun gnus-parse-active ()
1861 "Parse active info in the nntp server buffer."
1863 (set-buffer nntp-server-buffer)
1864 (goto-char (point-min))
1865 ;; Parse the result we got from `gnus-request-group'.
1866 (when (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
1867 (goto-char (match-beginning 1))
1868 (cons (read (current-buffer))
1869 (read (current-buffer))))))
1871 (defun gnus-make-articles-unread (group articles)
1872 "Mark ARTICLES in GROUP as unread."
1873 (let* ((info (nth 2 (or (gnus-group-entry group)
1875 (gnus-group-real-name group)))))
1876 (ranges (gnus-info-read info))
1879 (when (gnus-member-of-range
1880 (setq article (pop articles)) ranges)
1881 (push article news)))
1883 ;; Enter this list into the group info.
1885 info (gnus-remove-from-range (gnus-info-read info) (nreverse news)))
1887 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1888 (gnus-get-unread-articles-in-group info (gnus-active group))
1890 ;; Insert the change into the group buffer and the dribble file.
1891 (gnus-group-update-group group t))))
1893 (defun gnus-make-ascending-articles-unread (group articles)
1894 "Mark ascending ARTICLES in GROUP as unread."
1895 (let* ((entry (or (gnus-group-entry group)
1896 (gnus-group-entry (gnus-group-real-name group))))
1897 (info (nth 2 entry))
1898 (ranges (gnus-info-read info))
1903 (let ((article (pop articles))) ; get the next article to remove from ranges
1904 (while (let ((range (car ranges))) ; note the current range
1905 (if (atom range) ; single value range
1907 ;; the articles extend past the end of the ranges
1909 (setq articles nil))
1911 ;; this range preceeds the article. Leave the range unmodified.
1915 ;; this range exactly matches the article; REMOVE THE RANGE.
1916 ;; NOTE: When the range being removed is the last range, the list is corrupted by inserting null at its end.
1917 (setcar ranges (cadr ranges))
1918 (setcdr ranges (cddr ranges))
1919 (setq modified (if (car ranges) t 'remove-null))
1921 (let ((min (car range))
1923 ;; I have a min/max range to consider
1924 (cond ((> min max) ; invalid range introduced by splitter
1925 (setcar ranges (cadr ranges))
1926 (setcdr ranges (cddr ranges))
1927 (setq modified (if (car ranges) t 'remove-null))
1930 ;; replace min/max range with a single-value range
1934 ;; this range preceeds the article. Leave the range unmodified.
1938 ;; this article preceeds the range. Return null to move to the
1942 ;; this article splits the range into two parts
1943 (setcdr ranges (cons (cons (1+ article) max) (cdr ranges)))
1944 (setcdr range (1- article))
1949 (when (eq modified 'remove-null)
1950 (setq r (delq nil r)))
1951 ;; Enter this list into the group info.
1952 (gnus-info-set-read info r)
1954 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1955 (gnus-get-unread-articles-in-group info (gnus-active group))
1957 ;; Insert the change into the group buffer and the dribble file.
1958 (gnus-group-update-group group t))))
1960 ;; Enter all dead groups into the hashtb.
1961 (defun gnus-update-active-hashtb-from-killed ()
1962 (let ((hashtb (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1963 (lists (list gnus-killed-list gnus-zombie-list))
1966 (setq killed (car lists))
1968 (gnus-sethash (mm-string-as-unibyte (car killed)) nil hashtb)
1969 (setq killed (cdr killed)))
1970 (setq lists (cdr lists)))))
1972 (defun gnus-get-killed-groups ()
1973 "Go through the active hashtb and mark all unknown groups as killed."
1974 ;; First make sure active file has been read.
1975 (unless (gnus-read-active-file-p)
1976 (let ((gnus-read-active-file t))
1977 (gnus-read-active-file)))
1978 (unless gnus-killed-hashtb
1979 (gnus-make-hashtable-from-killed))
1980 ;; Go through all newsgroups that are known to Gnus - enlarge kill list.
1984 (group (symbol-name sym)))
1985 (if (or (null group)
1986 (gnus-gethash group gnus-killed-hashtb)
1987 (gnus-gethash group gnus-newsrc-hashtb))
1989 (let ((do-sub (gnus-matches-options-n group)))
1990 (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore))
1992 (setq groups (1+ groups))
1993 (push group gnus-killed-list)
1994 (gnus-sethash group group gnus-killed-hashtb))))))
1996 (gnus-dribble-touch))
1998 ;; Get the active file(s) from the backend(s).
1999 (defun gnus-read-active-file (&optional force not-native)
2000 (gnus-group-set-mode-line)
2003 (lambda (m) (if (stringp m) (gnus-server-get-method nil m) m))
2005 (if (and (not not-native)
2006 (gnus-check-server gnus-select-method))
2007 ;; The native server is available.
2008 (cons gnus-select-method gnus-secondary-select-methods)
2009 ;; The native server is down, so we just do the
2011 gnus-secondary-select-methods)
2012 ;; Also read from the archive server.
2013 (when (gnus-archive-server-wanted-p)
2014 (list "archive")))))
2016 (setq gnus-have-read-active-file nil)
2018 (set-buffer nntp-server-buffer)
2019 (while (setq method (pop methods))
2020 ;; Only do each method once, in case the methods appear more
2021 ;; than once in this list.
2022 (unless (member method methods)
2023 (if (or debug-on-error debug-on-quit)
2024 (gnus-read-active-file-1 method force)
2026 (gnus-read-active-file-1 method force)
2027 ;; We catch C-g so that we can continue past servers
2028 ;; that do not respond.
2030 (message "Quit reading the active file")
2033 (defun gnus-read-active-file-1 (method force)
2035 (setq where (nth 1 method)
2036 mesg (format "Reading active file%s via %s..."
2037 (if (and where (not (zerop (length where))))
2038 (concat " from " where) "")
2040 (gnus-message 5 mesg)
2041 (when (gnus-check-server method)
2042 ;; Request that the backend scan its incoming messages.
2043 (when (gnus-check-backend-function 'request-scan (car method))
2044 (gnus-request-scan nil method))
2046 ((and (eq gnus-read-active-file 'some)
2047 (gnus-check-backend-function 'retrieve-groups (car method))
2049 (let ((newsrc (cdr gnus-newsrc-alist))
2050 (gmethod (gnus-server-get-method nil method))
2052 (while (setq info (pop newsrc))
2056 (gnus-find-method-for-group
2057 (gnus-info-group info) info))
2059 (push (gnus-group-real-name (gnus-info-group info))
2061 (gnus-read-active-file-2 groups method)))
2065 (if (not (gnus-request-list method))
2066 (unless (equal method gnus-message-archive-method)
2067 (gnus-error 1 "Cannot read active file from %s server"
2069 (gnus-message 5 mesg)
2070 (gnus-active-to-gnus-format method gnus-active-hashtb nil t)
2071 ;; We mark this active file as read.
2072 (push method gnus-have-read-active-file)
2073 (gnus-message 5 "%sdone" mesg)))))))
2075 (defun gnus-read-active-file-2 (groups method)
2076 "Read an active file for GROUPS in METHOD using `gnus-retrieve-groups'."
2079 (set-buffer nntp-server-buffer)
2080 (gnus-check-server method)
2081 (let ((list-type (gnus-retrieve-groups groups method)))
2082 (cond ((not list-type)
2084 1.2 "Cannot read partial active file from %s server."
2086 ((eq list-type 'active)
2087 (gnus-active-to-gnus-format method gnus-active-hashtb nil t))
2089 (gnus-groups-to-gnus-format method gnus-active-hashtb t)))))))
2091 ;; Read an active file and place the results in `gnus-active-hashtb'.
2092 (defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors
2095 (setq method gnus-select-method))
2096 (let ((cur (current-buffer))
2098 (if (and gnus-active-hashtb
2099 (not (equal method gnus-select-method)))
2101 (setq gnus-active-hashtb
2102 (if (equal method gnus-select-method)
2103 (gnus-make-hashtable
2104 (count-lines (point-min) (point-max)))
2105 (gnus-make-hashtable 4096))))))
2107 ;; Delete unnecessary lines.
2108 (goto-char (point-min))
2110 ((string= gnus-ignored-newsgroups "")
2111 (delete-matching-lines "^to\\."))
2113 (delete-matching-lines (concat "^to\\.\\|" gnus-ignored-newsgroups))))
2115 (goto-char (point-min))
2116 (unless (re-search-forward "[\\\"]" nil t)
2117 ;; Make the group names readable as a lisp expression even if they
2118 ;; contain special characters.
2119 (goto-char (point-max))
2120 (while (re-search-backward "[][';?()#]" nil t)
2123 ;; Let the Gnus agent save the active file.
2124 (when (and gnus-agent real-active (gnus-online method))
2125 (gnus-agent-save-active method))
2127 ;; If these are groups from a foreign select method, we insert the
2128 ;; group prefix in front of the group names.
2129 (when (not (gnus-server-equal
2130 (gnus-server-get-method nil method)
2131 (gnus-server-get-method nil gnus-select-method)))
2132 (let ((prefix (gnus-group-prefixed-name "" method)))
2133 (goto-char (point-min))
2134 (while (and (not (eobp))
2136 (when (= (following-char) ?\")
2139 (zerop (forward-line 1)))))))
2140 ;; Store the active file in a hash table.
2141 ;; Use a unibyte buffer in order to make `read' read non-ASCII
2142 ;; group names (which have been encoded) as unibyte strings.
2143 (mm-with-unibyte-buffer
2144 (insert-buffer-substring cur)
2145 (setq cur (current-buffer))
2146 (goto-char (point-min))
2150 (narrow-to-region (point) (point-at-eol))
2151 ;; group gets set to a symbol interned in the hash table
2152 ;; (what a hack!!) - jwz
2153 (setq group (let ((obarray hashtb)) (read cur)))
2154 ;; ### The extended group name scheme makes
2155 ;; the previous optimization strategy sort of pointless...
2156 (when (stringp group)
2157 (setq group (intern group hashtb)))
2158 (if (and (numberp (setq max (read cur)))
2159 (numberp (setq min (read cur)))
2161 (skip-chars-forward " \t")
2163 (or (eq (char-after) ?=)
2164 (eq (char-after) ?x)
2165 (eq (char-after) ?j)))))
2167 (set group (cons min max))
2168 ;; if group is moderated, stick in moderation table
2169 (when (eq (char-after) ?m)
2170 (unless gnus-moderated-hashtb
2171 (setq gnus-moderated-hashtb (gnus-make-hashtable)))
2172 (gnus-sethash (symbol-name group) t
2173 gnus-moderated-hashtb)))
2179 (unless ignore-errors
2180 (gnus-message 3 "Warning - invalid active: %s"
2182 (point-at-bol) (point-at-eol))))))
2184 (forward-line 1)))))
2186 (defun gnus-groups-to-gnus-format (method &optional hashtb real-active)
2187 ;; Parse a "groups" active file.
2188 (let ((cur (current-buffer))
2190 (if (and method gnus-active-hashtb)
2192 (setq gnus-active-hashtb
2193 (gnus-make-hashtable
2194 (count-lines (point-min) (point-max)))))))
2196 (not (gnus-server-equal
2197 (gnus-server-get-method nil method)
2198 (gnus-server-get-method nil gnus-select-method)))
2199 (gnus-group-prefixed-name "" method))))
2201 ;; Let the Gnus agent save the active file.
2204 (gnus-online method)
2205 (gnus-agent-method-p method))
2207 (gnus-agent-save-active method)
2208 (gnus-active-to-gnus-format method hashtb nil real-active))
2210 (goto-char (point-min))
2211 ;; We split this into to separate loops, one with the prefix
2212 ;; and one without to speed the reading up somewhat.
2214 (let (min max opoint group)
2218 (read cur) (read cur)
2219 (setq min (read cur)
2222 (skip-chars-forward " \t")
2225 (set (let ((obarray hashtb)) (read cur))
2227 (error (and group (symbolp group) (set group nil))))
2229 (let (min max group)
2232 (when (eq (char-after) ?2)
2233 (read cur) (read cur)
2234 (setq min (read cur)
2236 (set (setq group (let ((obarray hashtb)) (read cur)))
2238 (error (and group (symbolp group) (set group nil))))
2239 (forward-line 1)))))))
2241 (defun gnus-read-newsrc-file (&optional force)
2243 If FORCE is non-nil, the .newsrc file is read."
2244 ;; Reset variables that might be defined in the .newsrc.eld file.
2245 (let ((variables (remove 'gnus-format-specs gnus-variable-list)))
2247 (set (car variables) nil)
2248 (setq variables (cdr variables))))
2249 (let* ((newsrc-file gnus-current-startup-file)
2250 (quick-file (concat newsrc-file ".el")))
2252 ;; We always load the .newsrc.eld file. If always contains
2253 ;; much information that can not be gotten from the .newsrc
2254 ;; file (ticked articles, killed groups, foreign methods, etc.)
2255 (gnus-read-newsrc-el-file quick-file)
2257 (when (and gnus-read-newsrc-file
2258 (file-exists-p gnus-current-startup-file)
2260 (and (file-newer-than-file-p newsrc-file quick-file)
2261 (file-newer-than-file-p newsrc-file
2262 (concat quick-file "d")))
2263 (not gnus-newsrc-alist)))
2264 ;; We read the .newsrc file. Note that if there if a
2265 ;; .newsrc.eld file exists, it has already been read, and
2266 ;; the `gnus-newsrc-hashtb' has been created. While reading
2267 ;; the .newsrc file, Gnus will only use the information it
2268 ;; can find there for changing the data already read -
2269 ;; i. e., reading the .newsrc file will not trash the data
2270 ;; already read (except for read articles).
2272 (gnus-message 5 "Reading %s..." newsrc-file)
2273 (set-buffer (nnheader-find-file-noselect newsrc-file))
2274 (buffer-disable-undo)
2275 (gnus-newsrc-to-gnus-format)
2276 (kill-buffer (current-buffer))
2277 (gnus-message 5 "Reading %s...done" newsrc-file)))
2279 ;; Convert old to new.
2280 (gnus-convert-old-newsrc))))
2282 (defun gnus-convert-old-newsrc ()
2283 "Convert old newsrc formats into the current format, if needed."
2284 (let ((fcv (and gnus-newsrc-file-version
2285 (gnus-continuum-version gnus-newsrc-file-version)))
2286 (gcv (gnus-continuum-version)))
2288 ;; A newsrc file was loaded.
2289 (let (prompt-displayed
2292 (mapcar (lambda (date-func)
2293 (cons (gnus-continuum-version (car date-func))
2295 ;; This is a list of converters that must be run
2296 ;; to bring the newsrc file up to the current
2297 ;; version. If you create an incompatibility
2298 ;; with older versions, you should create an
2299 ;; entry here. The entry should consist of the
2300 ;; current gnus version (hardcoded so that it
2301 ;; doesn't change with each release) and the
2302 ;; function that must be applied to convert the
2303 ;; previous version into the current version.
2304 '(("September Gnus v0.1" nil
2305 gnus-convert-old-ticks)
2306 ("Oort Gnus v0.08" "legacy-gnus-agent"
2307 gnus-agent-convert-to-compressed-agentview)
2308 ("Gnus v5.10.7" "legacy-gnus-agent"
2309 gnus-agent-unlist-expire-days)
2310 ("Gnus v5.10.7" "legacy-gnus-agent"
2311 gnus-agent-unhook-expire-days)))
2312 #'car-less-than-car)))
2313 ;; Skip converters older than the file version
2314 (while (and converters (>= fcv (caar converters)))
2317 ;; Perform converters to bring older version up to date.
2318 (when (and converters (< fcv (caar converters)))
2319 (while (and converters (< fcv (caar converters))
2320 (<= (caar converters) gcv))
2321 (let* ((converter-spec (pop converters))
2322 (convert-to (nth 1 converter-spec))
2323 (load-from (nth 2 converter-spec))
2324 (func (nth 3 converter-spec)))
2325 (when (and load-from
2326 (not (fboundp func)))
2328 (or prompt-displayed
2329 (not (gnus-convert-converter-needs-prompt func))
2331 (cursor-in-echo-area t)
2332 (echo-keystrokes 0))
2333 (message "Convert gnus from version '%s' to '%s'? (n/y/?)"
2334 gnus-newsrc-file-version gnus-version)
2335 (setq c (read-char-exclusive))
2337 (cond ((or (eq c ?n) (eq c ?N))
2338 (error "Can not start gnus without converting"))
2339 ((or (eq c ?y) (eq c ?Y))
2340 (setq prompt-displayed t)
2343 (message "This conversion is irreversible. \
2344 To be safe, you should backup your files before proceeding.")
2348 (gnus-message 3 "Ignoring unexpected input")
2352 (funcall func convert-to)))
2354 (format ";Converted gnus from version '%s' to '%s'."
2355 gnus-newsrc-file-version gnus-version)))))))
2357 (defun gnus-convert-mark-converter-prompt (converter no-prompt)
2358 "Indicate whether CONVERTER requires gnus-convert-old-newsrc to
2359 display the conversion prompt. NO-PROMPT may be nil (prompt),
2360 t (no prompt), or any form that can be called as a function.
2361 The form should return either t or nil."
2362 (put converter 'gnus-convert-no-prompt no-prompt))
2364 (defun gnus-convert-converter-needs-prompt (converter)
2365 (let ((no-prompt (get converter 'gnus-convert-no-prompt)))
2366 (not (if (memq no-prompt '(t nil))
2368 (funcall no-prompt)))))
2370 (defun gnus-convert-old-ticks (converting-to)
2371 (let ((newsrc (cdr gnus-newsrc-alist))
2372 marks info dormant ticked)
2373 (while (setq info (pop newsrc))
2374 (when (setq marks (gnus-info-marks info))
2375 (setq dormant (cdr (assq 'dormant marks))
2376 ticked (cdr (assq 'tick marks)))
2377 (when (or dormant ticked)
2381 (gnus-info-read info)
2382 (nconc (gnus-uncompress-range dormant)
2383 (gnus-uncompress-range ticked)))))))))
2385 (defun gnus-load (file)
2386 "Load FILE, but in such a way that read errors can be reported."
2388 (insert-file-contents file)
2390 (condition-case type
2391 (let ((form (read (current-buffer))))
2394 (unless (eq (car type) 'end-of-file)
2395 (let ((error (format "Error in %s line %d" file
2396 (count-lines (point-min) (point)))))
2398 (unless (gnus-yes-or-no-p (concat error "; continue? "))
2399 (error "%s" error)))))))))
2401 (defun gnus-read-newsrc-el-file (file)
2402 (let ((ding-file (concat file "d")))
2403 (when (file-exists-p ding-file)
2404 ;; We always, always read the .eld file.
2405 (gnus-message 5 "Reading %s..." ding-file)
2406 (let (gnus-newsrc-assoc)
2407 (let ((coding-system-for-read gnus-ding-file-coding-system))
2408 (gnus-load ding-file))
2409 ;; Older versions of `gnus-format-specs' are no longer valid
2410 ;; in Oort Gnus 0.01.
2412 (and gnus-newsrc-file-version
2413 (gnus-continuum-version gnus-newsrc-file-version))))
2414 (when (or (not version)
2415 (< version 5.090009))
2416 (setq gnus-format-specs gnus-default-format-specs)))
2417 (when gnus-newsrc-assoc
2418 (setq gnus-newsrc-alist gnus-newsrc-assoc))))
2419 (dolist (elem gnus-newsrc-alist)
2420 (setcar elem (mm-string-as-unibyte (car elem))))
2421 (gnus-make-hashtable-from-newsrc-alist)
2422 (when (file-newer-than-file-p file ding-file)
2423 ;; Old format quick file
2424 (gnus-message 5 "Reading %s..." file)
2425 ;; The .el file is newer than the .eld file, so we read that one
2427 (gnus-read-old-newsrc-el-file file)))
2428 (gnus-run-hooks 'gnus-read-newsrc-el-hook))
2430 ;; Parse the old-style quick startup file
2431 (defun gnus-read-old-newsrc-el-file (file)
2432 (let (newsrc killed marked group m info)
2434 (let ((gnus-killed-assoc nil)
2435 gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc)
2439 (setq newsrc gnus-newsrc-assoc
2440 killed gnus-killed-assoc
2441 marked gnus-marked-assoc)))
2442 (setq gnus-newsrc-alist nil)
2443 (while (setq group (pop newsrc))
2444 (if (setq info (gnus-get-info (car group)))
2446 (gnus-info-set-read info (cddr group))
2447 (gnus-info-set-level
2448 info (if (nth 1 group) gnus-level-default-subscribed
2449 gnus-level-default-unsubscribed))
2450 (push info gnus-newsrc-alist))
2453 (if (nth 1 group) gnus-level-default-subscribed
2454 gnus-level-default-unsubscribed)
2457 ;; Copy marks into info.
2458 (when (setq m (assoc (car group) marked))
2459 (unless (nthcdr 3 info)
2460 (nconc info (list nil)))
2461 (gnus-info-set-marks
2462 info (list (cons 'tick (gnus-compress-sequence
2463 (sort (cdr m) '<) t))))))
2464 (setq newsrc killed)
2466 (setcar newsrc (caar newsrc))
2467 (setq newsrc (cdr newsrc)))
2468 (setq gnus-killed-list killed))
2469 ;; The .el file version of this variable does not begin with
2470 ;; "options", while the .eld version does, so we just add it if it
2474 (when (not (string-match "^ *options" gnus-newsrc-options))
2475 (setq gnus-newsrc-options (concat "options " gnus-newsrc-options)))
2476 (when (not (string-match "\n$" gnus-newsrc-options))
2477 (setq gnus-newsrc-options (concat gnus-newsrc-options "\n")))
2478 ;; Finally, if we read some options lines, we parse them.
2479 (unless (string= gnus-newsrc-options "")
2480 (gnus-newsrc-parse-options gnus-newsrc-options)))
2482 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))
2483 (gnus-make-hashtable-from-newsrc-alist)))
2485 (defun gnus-make-newsrc-file (file)
2486 "Make server dependent file name by catenating FILE and server host name."
2487 (let* ((file (expand-file-name file nil))
2488 (real-file (concat file "-" (nth 1 gnus-select-method))))
2489 (if (or (file-exists-p real-file)
2490 (file-exists-p (concat real-file ".el"))
2491 (file-exists-p (concat real-file ".eld")))
2495 (defun gnus-newsrc-to-gnus-format ()
2496 (setq gnus-newsrc-options "")
2497 (setq gnus-newsrc-options-n nil)
2499 (unless gnus-active-hashtb
2500 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
2501 (let ((buf (current-buffer))
2502 (already-read (> (length gnus-newsrc-alist) 1))
2503 group subscribed options-symbol newsrc Options-symbol
2505 (goto-char (point-min))
2506 ;; We intern the symbol `options' in the active hashtb so that we
2507 ;; can `eq' against it later.
2508 (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil)
2509 (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil)
2512 ;; We first read the first word on the line by narrowing and
2513 ;; then reading into `gnus-active-hashtb'. Most groups will
2514 ;; already exist in that hashtb, so this will save some string
2518 (progn (skip-chars-forward "^ \t!:\n") (point)))
2519 (goto-char (point-min))
2521 (and (/= (point-min) (point-max))
2522 (let ((obarray gnus-active-hashtb)) (read buf))))
2524 ;; Now, the symbol we have read is either `options' or a group
2525 ;; name. If it is an options line, we just add it to a string.
2527 ((or (eq symbol options-symbol)
2528 (eq symbol Options-symbol))
2529 (setq gnus-newsrc-options
2530 ;; This concating is quite inefficient, but since our
2531 ;; thorough studies show that approx 99.37% of all
2532 ;; .newsrc files only contain a single options line, we
2533 ;; don't give a damn, frankly, my dear.
2534 (concat gnus-newsrc-options
2537 ;; Options may continue on the next line.
2538 (or (and (re-search-forward "^[^ \t]" nil 'move)
2543 ;; Group names can be just numbers.
2544 (when (numberp symbol)
2545 (setq symbol (intern (int-to-string symbol) gnus-active-hashtb)))
2546 (unless (boundp symbol)
2548 ;; It was a group name.
2549 (setq subscribed (eq (char-after) ?:)
2550 group (symbol-name symbol)
2553 ;; If the line ends here, this is clearly a buggy line, so
2554 ;; we put point a the beginning of line and let the cond
2555 ;; below do the error handling.
2557 ;; We skip to the beginning of the ranges.
2558 (skip-chars-forward "!: \t"))
2559 ;; We are now at the beginning of the list of read articles.
2560 ;; We read them range by range.
2563 ((looking-at "[0-9]+")
2564 ;; We narrow and read a number instead of buffer-substring/
2565 ;; string-to-number because it's faster. narrow/widen is
2566 ;; faster than save-restriction/narrow, and save-restriction
2567 ;; produces a garbage object.
2569 (narrow-to-region (match-beginning 0) (match-end 0))
2572 ;; If the next character is a dash, then this is a range.
2573 (if (eq (char-after) ?-)
2575 ;; We read the upper bound of the range.
2577 (if (not (looking-at "[0-9]+"))
2578 ;; This is a buggy line, by we pretend that
2579 ;; it's kinda OK. Perhaps the user should be
2585 (narrow-to-region (match-beginning 0)
2590 ;; It was just a simple number, so we add it to the
2593 ;; If the next char in ?\n, then we have reached the end
2594 ;; of the line and return nil.
2595 (not (eq (char-after) ?\n)))
2596 ((eq (char-after) ?\n)
2597 ;; End of line, so we end.
2600 ;; Not numbers and not eol, so this might be a buggy
2603 ;; If it was eob instead of ?\n, we allow it.
2604 ;; The line was buggy.
2606 (gnus-error 3.1 "Mangled line: %s"
2607 (buffer-substring (point-at-bol)
2610 ;; Skip past ", ". Spaces are invalid in these ranges, but
2611 ;; we allow them, because it's a common mistake to put a
2612 ;; space after the comma.
2613 (skip-chars-forward ", "))
2615 ;; We have already read .newsrc.eld, so we gently update the
2616 ;; data in the hash table with the information we have just
2619 (let ((info (gnus-get-info group))
2622 ;; There is an entry for this file in the alist.
2624 (gnus-info-set-read info (nreverse reads))
2625 ;; We update the level very gently. In fact, we
2626 ;; only change it if there's been a status change
2627 ;; from subscribed to unsubscribed, or vice versa.
2628 (setq level (gnus-info-level info))
2629 (cond ((and (<= level gnus-level-subscribed)
2631 (setq level (if reads
2632 gnus-level-default-unsubscribed
2633 (1+ gnus-level-default-unsubscribed))))
2634 ((and (> level gnus-level-subscribed) subscribed)
2635 (setq level gnus-level-default-subscribed)))
2636 (gnus-info-set-level info level))
2637 ;; This is a new group.
2638 (setq info (list group
2640 gnus-level-default-subscribed
2642 (1+ gnus-level-subscribed)
2643 gnus-level-default-unsubscribed))
2645 (push info newsrc)))))
2648 (setq newsrc (nreverse newsrc))
2650 (if (not already-read)
2652 ;; We now have two newsrc lists - `newsrc', which is what we
2653 ;; have read from .newsrc, and `gnus-newsrc-alist', which is
2654 ;; what we've read from .newsrc.eld. We have to merge these
2655 ;; lists. We do this by "attaching" any (foreign) groups in the
2656 ;; gnus-newsrc-alist to the (native) group that precedes them.
2657 (let ((rc (cdr gnus-newsrc-alist))
2658 (prev gnus-newsrc-alist)
2661 (or (null (nth 4 (car rc))) ; It's a native group.
2662 (assoc (caar rc) newsrc) ; It's already in the alist.
2663 (if (setq entry (assoc (caar prev) newsrc))
2664 (setcdr (setq mentry (memq entry newsrc))
2665 (cons (car rc) (cdr mentry)))
2666 (push (car rc) newsrc)))
2670 (setq gnus-newsrc-alist newsrc)
2671 ;; We make the newsrc hashtb.
2672 (gnus-make-hashtable-from-newsrc-alist)
2674 ;; Finally, if we read some options lines, we parse them.
2675 (unless (string= gnus-newsrc-options "")
2676 (gnus-newsrc-parse-options gnus-newsrc-options))))
2678 ;; Parse options lines to find "options -n !all rec.all" and stuff.
2679 ;; The return value will be a list on the form
2680 ;; ((regexp1 . ignore)
2681 ;; (regexp2 . subscribe)...)
2682 ;; When handling new newsgroups, groups that match a `ignore' regexp
2683 ;; will be ignored, and groups that match a `subscribe' regexp will be
2684 ;; subscribed. A line like
2685 ;; options -n !all rec.all
2686 ;; will lead to a list that looks like
2687 ;; (("^rec\\..+" . subscribe)
2688 ;; ("^.+" . ignore))
2689 ;; So all "rec.*" groups will be subscribed, while all the other
2690 ;; groups will be ignored. Note that "options -n !all rec.all" is very
2691 ;; different from "options -n rec.all !all".
2692 (defun gnus-newsrc-parse-options (options)
2695 (gnus-set-work-buffer)
2696 (insert (regexp-quote options))
2697 ;; First we treat all continuation lines.
2698 (goto-char (point-min))
2699 (while (re-search-forward "\n[ \t]+" nil t)
2700 (replace-match " " t t))
2701 ;; Then we transform all "all"s into ".+"s.
2702 (goto-char (point-min))
2703 (while (re-search-forward "\\ball\\b" nil t)
2704 (replace-match ".+" t t))
2705 (goto-char (point-min))
2706 ;; We remove all other options than the "-n" ones.
2707 (while (re-search-forward "[ \t]-[^n][^-]*" nil t)
2710 (goto-char (point-min))
2712 ;; We are only interested in "options -n" lines - we
2713 ;; ignore the other option lines.
2714 (while (re-search-forward "[ \t]-n" nil t)
2717 (and (re-search-forward "[ \t]-n" (point-at-eol) t)
2720 ;; Search for all "words"...
2721 (while (re-search-forward "[^ \t,\n]+" eol t)
2722 (if (eq (char-after (match-beginning 0)) ?!)
2723 ;; If the word begins with a bang (!), this is a "not"
2724 ;; spec. We put this spec (minus the bang) and the
2725 ;; symbol `ignore' into the list.
2727 "^" (buffer-substring
2728 (1+ (match-beginning 0))
2733 ;; There was no bang, so this is a "yes" spec.
2734 (push (cons (concat "^" (match-string 0) "\\($\\|\\.\\)")
2738 (setq gnus-newsrc-options-n out))))
2741 (defalias 'gnus-long-file-names
2742 (if (fboundp 'msdos-long-file-names)
2743 'msdos-long-file-names
2746 (defun gnus-save-newsrc-file (&optional force)
2747 "Save .newsrc file."
2748 ;; Note: We cannot save .newsrc file if all newsgroups are removed
2749 ;; from the variable gnus-newsrc-alist.
2750 (when (and (or gnus-newsrc-alist gnus-killed-list)
2751 gnus-current-startup-file)
2752 ;; Save agent range limits for the currently active method.
2754 (gnus-agent-save-local force))
2757 (if (and (or gnus-use-dribble-file gnus-slave)
2759 (or (not gnus-dribble-buffer)
2760 (not (buffer-name gnus-dribble-buffer))
2761 (zerop (save-excursion
2762 (set-buffer gnus-dribble-buffer)
2764 (gnus-message 4 "(No changes need to be saved)")
2765 (gnus-run-hooks 'gnus-save-newsrc-hook)
2767 (gnus-slave-save-newsrc)
2769 (when gnus-save-newsrc-file
2770 (gnus-message 8 "Saving %s..." gnus-current-startup-file)
2771 (gnus-gnus-to-newsrc-format)
2772 (gnus-message 8 "Saving %s...done" gnus-current-startup-file))
2774 ;; Save .newsrc.eld.
2775 (set-buffer (gnus-get-buffer-create " *Gnus-newsrc*"))
2776 (make-local-variable 'version-control)
2777 (setq version-control gnus-backup-startup-file)
2778 (setq buffer-file-name
2779 (concat gnus-current-startup-file ".eld"))
2780 (setq default-directory (file-name-directory buffer-file-name))
2781 (buffer-disable-undo)
2783 (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
2785 (if gnus-save-startup-file-via-temp-buffer
2786 (let ((coding-system-for-write gnus-ding-file-coding-system)
2787 (standard-output (current-buffer)))
2788 (gnus-gnus-to-quick-newsrc-format)
2789 (gnus-run-hooks 'gnus-save-quick-newsrc-hook)
2791 (let ((coding-system-for-write gnus-ding-file-coding-system)
2792 (version-control gnus-backup-startup-file)
2793 (startup-file (concat gnus-current-startup-file ".eld"))
2794 (working-dir (file-name-directory gnus-current-startup-file))
2797 ;; Generate the name of a non-existent file.
2798 (while (progn (setq working-file
2800 (if (and (eq system-type 'ms-dos)
2801 (not (gnus-long-file-names)))
2802 "%s#%d.tm#" ; MSDOS limits files to 8+3
2803 (if (memq system-type '(vax-vms axp-vms))
2806 working-dir (setq i (1+ i))))
2807 (file-exists-p working-file)))
2811 (gnus-with-output-to-file working-file
2812 (gnus-gnus-to-quick-newsrc-format)
2813 (gnus-run-hooks 'gnus-save-quick-newsrc-hook))
2815 ;; These bindings will mislead the current buffer
2816 ;; into thinking that it is visiting the startup
2818 (let ((buffer-backed-up nil)
2819 (buffer-file-name startup-file)
2820 (file-precious-flag t)
2821 (setmodes (file-modes startup-file)))
2822 ;; Backup the current version of the startup file.
2825 ;; Replace the existing startup file with the temp file.
2826 (rename-file working-file startup-file t)
2827 (gnus-set-file-modes startup-file setmodes)))
2829 (delete-file working-file)
2830 (file-error nil)))))
2832 (gnus-kill-buffer (current-buffer))
2834 5 "Saving %s.eld...done" gnus-current-startup-file))
2835 (gnus-dribble-delete-file)
2836 (gnus-group-set-mode-line)))))
2838 (defun gnus-gnus-to-quick-newsrc-format (&optional minimal name &rest specific-variables)
2839 "Print Gnus variables such as `gnus-newsrc-alist' in Lisp format."
2840 (princ ";; -*- emacs-lisp -*-\n")
2842 (princ (format ";; %s\n" name))
2843 (princ ";; Gnus startup file.\n"))
2847 ;; Never delete this file -- if you want to force Gnus to read the
2848 ;; .newsrc file (if you have one), touch .newsrc instead.\n")
2849 (princ "(setq gnus-newsrc-file-version ")
2850 (princ (gnus-prin1-to-string gnus-version))
2853 (let* ((print-quoted t)
2855 (print-escape-multibyte nil)
2856 (print-escape-nonascii t)
2860 (print-escape-newlines t)
2862 (if (and gnus-save-killed-list
2863 (stringp gnus-save-killed-list))
2864 (gnus-strip-killed-list)
2867 (or specific-variables
2868 (if gnus-save-killed-list gnus-variable-list
2869 ;; Remove the `gnus-killed-list' from the list of variables
2870 ;; to be saved, if required.
2871 (delq 'gnus-killed-list (copy-sequence gnus-variable-list)))))
2872 ;; Peel off the "dummy" group.
2873 (gnus-newsrc-alist (cdr gnus-newsrc-alist))
2875 ;; Insert the variables into the file.
2877 (when (and (boundp (setq variable (pop variables)))
2878 (symbol-value variable))
2880 (princ (symbol-name variable))
2882 (prin1 (symbol-value variable))
2885 (defun gnus-strip-killed-list ()
2886 "Return the killed list minus the groups that match `gnus-save-killed-list'."
2887 (let ((list gnus-killed-list)
2890 (when (string-match gnus-save-killed-list (car list))
2891 (push (car list) olist))
2895 (defun gnus-gnus-to-newsrc-format ()
2896 ;; Generate and save the .newsrc file.
2898 (set-buffer (create-file-buffer gnus-current-startup-file))
2899 (let ((newsrc (cdr gnus-newsrc-alist))
2900 (standard-output (current-buffer))
2901 info ranges range method)
2902 (setq buffer-file-name gnus-current-startup-file)
2903 (setq default-directory (file-name-directory buffer-file-name))
2904 (buffer-disable-undo)
2906 ;; Use a unibyte buffer since group names are unibyte strings;
2907 ;; in particular, non-ASCII group names are the ones encoded by
2908 ;; a certain coding system.
2909 (mm-disable-multibyte)
2911 (when gnus-newsrc-options
2912 (insert gnus-newsrc-options))
2913 ;; Write subscribed and unsubscribed.
2914 (while (setq info (pop newsrc))
2915 ;; Don't write foreign groups to .newsrc.
2916 (when (or (null (setq method (gnus-info-method info)))
2917 (equal method "native")
2918 (inline (gnus-server-equal method gnus-select-method)))
2919 (insert (gnus-info-group info)
2920 (if (> (gnus-info-level info) gnus-level-subscribed)
2922 (when (setq ranges (gnus-info-read info))
2924 (if (not (listp (cdr ranges)))
2925 (if (= (car ranges) (cdr ranges))
2926 (princ (car ranges))
2927 (princ (car ranges))
2929 (princ (cdr ranges)))
2930 (while (setq range (pop ranges))
2931 (if (or (atom range) (= (car range) (cdr range)))
2932 (princ (or (and (atom range) range) (car range)))
2935 (princ (cdr range)))
2939 (make-local-variable 'version-control)
2940 (setq version-control 'never)
2941 ;; It has been reported that sometime the modtime on the .newsrc
2942 ;; file seems to be off. We really do want to overwrite it, so
2943 ;; we clear the modtime here before saving. It's a bit odd,
2945 ;; sometimes the modtime clear isn't sufficient. most brute force:
2946 ;; delete the silly thing entirely first. but this fails to provide
2947 ;; such niceties as .newsrc~ creation.
2948 (if gnus-modtime-botch
2949 (delete-file gnus-startup-file)
2950 (clear-visited-file-modtime))
2951 (gnus-run-hooks 'gnus-save-standard-newsrc-hook)
2952 (let ((coding-system-for-write 'raw-text))
2954 (kill-buffer (current-buffer)))))
2958 ;;; Slave functions.
2961 (defvar gnus-slave-mode nil)
2963 (defun gnus-slave-mode ()
2964 "Minor mode for slave Gnusae."
2965 (add-minor-mode 'gnus-slave-mode " Slave" (make-sparse-keymap))
2966 (gnus-run-hooks 'gnus-slave-mode-hook))
2968 (defun gnus-slave-save-newsrc ()
2970 (set-buffer gnus-dribble-buffer)
2972 (mm-make-temp-file (concat gnus-current-startup-file "-slave-")))
2973 (modes (ignore-errors
2974 (file-modes (concat gnus-current-startup-file ".eld")))))
2975 (let ((coding-system-for-write gnus-ding-file-coding-system))
2976 (gnus-write-buffer slave-name))
2978 (gnus-set-file-modes slave-name modes)))))
2980 (defun gnus-master-read-slave-newsrc ()
2983 (file-name-directory gnus-current-startup-file)
2987 (file-name-nondirectory gnus-current-startup-file)
2991 (if (not slave-files)
2992 () ; There are no slave files to read.
2993 (gnus-message 7 "Reading slave newsrcs...")
2995 (set-buffer (gnus-get-buffer-create " *gnus slave*"))
2997 (sort (mapcar (lambda (file)
2998 (list (nth 5 (file-attributes file)) file))
3001 (or (< (caar f1) (caar f2))
3002 (< (nth 1 (car f1)) (nth 1 (car f2)))))))
3005 (setq file (nth 1 (car slave-files)))
3006 (nnheader-insert-file-contents file)
3007 (when (condition-case ()
3009 (eval-buffer (current-buffer))
3012 (gnus-error 3.2 "Possible error in %s" file)
3014 (unless gnus-slave ; Slaves shouldn't delete these files.
3016 (delete-file file))))
3017 (setq slave-files (cdr slave-files))))
3018 (gnus-dribble-touch)
3019 (gnus-message 7 "Reading slave newsrcs...done"))))
3023 ;;; Group description.
3026 (defun gnus-read-all-descriptions-files ()
3027 (let ((methods (cons gnus-select-method
3029 (when (gnus-archive-server-wanted-p)
3031 gnus-secondary-select-methods))))
3033 (gnus-read-descriptions-file (car methods))
3034 (setq methods (cdr methods)))
3037 (defun gnus-read-descriptions-file (&optional method)
3038 (let ((method (or method gnus-select-method))
3040 (when (stringp method)
3041 (setq method (gnus-server-to-method method)))
3042 ;; We create the hashtable whether we manage to read the desc file
3043 ;; to avoid trying to re-read after a failed read.
3044 (unless gnus-description-hashtb
3045 (setq gnus-description-hashtb
3046 (gnus-make-hashtable (length gnus-active-hashtb))))
3047 ;; Mark this method's desc file as read.
3048 (gnus-sethash (gnus-group-prefixed-name "" method) "Has read"
3049 gnus-description-hashtb)
3051 (gnus-message 5 "Reading descriptions file via %s..." (car method))
3053 ((null (gnus-get-function method 'request-list-newsgroups t))
3055 ((not (gnus-check-server method))
3056 (gnus-message 1 "Couldn't open server")
3058 ((not (gnus-request-list-newsgroups method))
3059 (gnus-message 1 "Couldn't read newsgroups descriptions")
3064 (set-buffer nntp-server-buffer)
3065 (goto-char (point-min))
3066 (when (or (search-forward "\n.\n" nil t)
3067 (goto-char (point-max)))
3069 (narrow-to-region (point-min) (point)))
3070 ;; If these are groups from a foreign select method, we insert the
3071 ;; group prefix in front of the group names.
3072 (and method (not (inline
3074 (gnus-server-get-method nil method)
3075 (gnus-server-get-method
3076 nil gnus-select-method))))
3077 (let ((prefix (gnus-group-prefixed-name "" method)))
3078 (goto-char (point-min))
3079 (while (and (not (eobp))
3080 (progn (insert prefix)
3081 (zerop (forward-line 1)))))))
3082 (goto-char (point-min))
3084 ;; If we get an error, we set group to 0, which is not a
3088 (let ((obarray gnus-description-hashtb))
3089 ;; Group is set to a symbol interned in this
3091 (read nntp-server-buffer))
3093 (skip-chars-forward " \t")
3094 ;; ... which leads to this line being effectively ignored.
3095 (when (symbolp group)
3096 (let* ((str (buffer-substring
3097 (point) (progn (end-of-line) (point))))
3098 (name (symbol-name group))
3100 (or (gnus-group-name-charset method name)
3101 (gnus-parameter-charset name)
3102 gnus-default-charset)))
3103 ;; Fixme: Don't decode in unibyte mode.
3104 (when (and str charset (featurep 'mule))
3105 (setq str (mm-decode-coding-string str charset)))
3108 (gnus-message 5 "Reading descriptions file...done")
3111 (defun gnus-group-get-description (group)
3112 "Get the description of a group by sending XGTITLE to the server."
3113 (when (gnus-request-group-description group)
3115 (set-buffer nntp-server-buffer)
3116 (goto-char (point-min))
3117 (when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
3118 (match-string 1)))))
3121 (defun gnus-declare-backend (name &rest abilities)
3122 "Declare back end NAME with ABILITIES as a Gnus back end."
3123 (setq gnus-valid-select-methods
3124 (nconc gnus-valid-select-methods
3125 (list (apply 'list name abilities))))
3126 (gnus-redefine-select-method-widget))
3128 (defun gnus-set-default-directory ()
3129 "Set the default directory in the current buffer to `gnus-default-directory'.
3130 If this variable is nil, don't do anything."
3131 (setq default-directory
3132 (if (and gnus-default-directory
3133 (file-exists-p gnus-default-directory))
3134 (file-name-as-directory (expand-file-name gnus-default-directory))
3135 default-directory)))
3137 (defun gnus-display-time-event-handler ()
3138 (if (and (fboundp 'display-time-event-handler)
3139 (gnus-boundp 'display-time-timer))
3140 (display-time-event-handler)))
3143 (defun gnus-fixup-nnimap-unread-after-getting-new-news ()
3144 (let (server group info)
3147 (when (and (setq group (symbol-name sym))
3148 (gnus-group-entry group)
3149 (setq info (symbol-value sym)))
3150 (gnus-sethash group (cons (nth 2 info) (cdr (gnus-group-entry group)))
3151 gnus-newsrc-hashtb)))
3152 (if (boundp 'nnimap-mailbox-info)
3153 (symbol-value 'nnimap-mailbox-info)
3154 (make-vector 1 0)))))
3156 (defun gnus-check-reasonable-setup ()
3157 ;; Check whether nnml and nnfolder share a directory.
3159 (if (fboundp 'display-warning)
3161 (lambda (type message)
3163 (message "Warning (%s): %s" type message)
3165 (with-current-buffer (get-buffer-create "*Warnings*")
3166 (goto-char (point-max))
3169 (insert (format "Warning (%s): %s\n" type message))
3170 (setq window (display-buffer (current-buffer)))
3174 (forward-line (- 1 (window-height window)))
3176 (goto-char (point-max))))))))))
3177 method active actives match)
3178 (dolist (server gnus-server-alist)
3179 (setq method (gnus-server-to-method server)
3180 active (intern (format "%s-active-file" (car method))))
3181 (when (and (member (car method) '(nnml nnfolder))
3182 (gnus-server-opened method)
3184 (when (setq match (assoc (symbol-value active) actives))
3185 (funcall display-warn 'gnus-server
3186 (format "%s and %s share the same active file %s"
3190 (push (list (symbol-value active) method) actives)))))
3192 (provide 'gnus-start)
3194 ;; arch-tag: f4584a22-b7b7-4853-abfc-a637329af5d2
3195 ;;; gnus-start.el ends here