1 ;;; gnus-start.el --- startup functions for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
30 (eval-when-compile (require 'static))
38 (autoload 'message-make-date "message")
40 (defcustom gnus-startup-file (nnheader-concat gnus-home-directory ".newsrc")
42 `.newsrc-SERVER' will be used instead if that exists."
46 (defcustom gnus-product-directory
47 (nnheader-concat gnus-directory (concat "." gnus-product-name))
48 "Product depend data files directory."
50 :type '(choice directory (const nil)))
52 (defcustom gnus-backup-startup-file 'never
53 "Whether to create backup files.
54 This variable takes the same values as the `version-control'
57 :type '(choice (const :tag "Never" never)
58 (const :tag "If existing" nil)
59 (other :tag "Always" t)))
61 (defcustom gnus-save-startup-file-via-temp-buffer t
62 "Whether to write the startup file contents to a buffer then save
63 the buffer or write directly to the file. The buffer is faster
64 because all of the contents are written at once. The direct write
65 uses considerably less memory."
67 :type '(choice (const :tag "Write via buffer" t)
68 (const :tag "Write directly to file" nil)))
70 (defcustom gnus-init-file (nnheader-concat gnus-home-directory ".gnus")
71 "Your Gnus Emacs-Lisp startup file name.
72 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
76 (defcustom gnus-site-init-file
78 (concat (file-name-directory
79 (directory-file-name installation-directory))
80 "site-lisp/gnus-init")
82 "The site-wide Gnus Emacs-Lisp startup file name, or nil if none.
83 If a file with the `.el' or `.elc' suffixes exists, it will be read instead."
85 :type '(choice file (const nil)))
87 (defcustom gnus-default-subscribed-newsgroups nil
88 "List of newsgroups to subscribe, when a user runs Gnus the first time.
89 The value should be a list of strings.
90 If it is t, Gnus will not do anything special the first time it is
91 started; it'll just use the normal newsgroups subscription methods."
93 :type '(choice (repeat string) (const :tag "Nothing special" t)))
95 (defcustom gnus-use-dribble-file t
96 "*Non-nil means that Gnus will use a dribble file to store user updates.
97 If Emacs should crash without saving the .newsrc files, complete
98 information can be restored from the dribble file."
99 :group 'gnus-dribble-file
102 (defcustom gnus-dribble-directory nil
103 "*The directory where dribble files will be saved.
104 If this variable is nil, the directory where the .newsrc files are
106 :group 'gnus-dribble-file
107 :type '(choice directory (const nil)))
109 (defcustom gnus-check-new-newsgroups 'ask-server
110 "*Non-nil means that Gnus will run `gnus-find-new-newsgroups' at startup.
111 This normally finds new newsgroups by comparing the active groups the
112 servers have already reported with those Gnus already knows, either alive
115 When any of the following are true, `gnus-find-new-newsgroups' will instead
116 ask the servers (primary, secondary, and archive servers) to list new
117 groups since the last time it checked:
118 1. This variable is `ask-server'.
119 2. This variable is a list of select methods (see below).
120 3. `gnus-read-active-file' is nil or `some'.
121 4. A prefix argument is given to `gnus-find-new-newsgroups' interactively.
123 Thus, if this variable is `ask-server' or a list of select methods or
124 `gnus-read-active-file' is nil or `some', then the killed list is no
125 longer necessary, so you could safely set `gnus-save-killed-list' to nil.
127 This variable can be a list of select methods which Gnus will query with
128 the `ask-server' method in addition to the primary, secondary, and archive
132 (setq gnus-check-new-newsgroups
133 '((nntp \"some.server\") (nntp \"other.server\")))
135 If this variable is nil, then you have to tell Gnus explicitly to
136 check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups]."
138 :type '(choice (const :tag "no" nil)
139 (const :tag "by brute force" t)
140 (const :tag "ask servers" ask-server)
141 (repeat :menu-tag "ask additional servers"
142 :tag "ask additional servers"
144 (sexp :format "%v"))))
146 (defcustom gnus-check-bogus-newsgroups nil
147 "*Non-nil means that Gnus will check and remove bogus newsgroup at startup.
148 If this variable is nil, then you have to tell Gnus explicitly to
149 check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups]."
150 :group 'gnus-start-server
153 (defcustom gnus-read-active-file 'some
154 "*Non-nil means that Gnus will read the entire active file at startup.
155 If this variable is nil, Gnus will only know about the groups in your
158 If this variable is `some', Gnus will try to only read the relevant
159 parts of the active file from the server. Not all servers support
160 this, and it might be quite slow with other servers, but this should
161 generally be faster than both the t and nil value.
163 If you set this variable to nil or `some', you probably still want to
164 be told about new newsgroups that arrive. To do that, set
165 `gnus-check-new-newsgroups' to `ask-server'. This may not work
166 properly with all servers."
167 :group 'gnus-start-server
168 :type '(choice (const nil)
172 (defconst gnus-level-subscribed 5
173 "Groups with levels less than or equal to this variable are subscribed.")
175 (defconst gnus-level-unsubscribed 7
176 "Groups with levels less than or equal to this variable are unsubscribed.
177 Groups with levels less than `gnus-level-subscribed', which should be
178 less than this variable, are subscribed.")
180 (defconst gnus-level-zombie 8
181 "Groups with this level are zombie groups.")
183 (defconst gnus-level-killed 9
184 "Groups with this level are killed.")
186 (defcustom gnus-level-default-subscribed 3
187 "*New subscribed groups will be subscribed at this level."
188 :group 'gnus-group-levels
191 (defcustom gnus-level-default-unsubscribed 6
192 "*New unsubscribed groups will be unsubscribed at this level."
193 :group 'gnus-group-levels
196 (defcustom gnus-activate-level (1+ gnus-level-subscribed)
197 "*Groups higher than this level won't be activated on startup.
198 Setting this variable to something low might save lots of time when
199 you have many groups that you aren't interested in."
200 :group 'gnus-group-levels
203 (defcustom gnus-activate-foreign-newsgroups 4
204 "*If nil, Gnus will not check foreign newsgroups at startup.
205 If it is non-nil, it should be a number between one and nine. Foreign
206 newsgroups that have a level lower or equal to this number will be
207 activated on startup. For instance, if you want to active all
208 subscribed newsgroups, but not the rest, you'd set this variable to
209 `gnus-level-subscribed'.
211 If you subscribe to lots of newsgroups from different servers, startup
212 might take a while. By setting this variable to nil, you'll save time,
213 but you won't be told how many unread articles there are in the
215 :group 'gnus-group-levels
216 :type '(choice integer
217 (const :tag "none" nil)))
219 (defcustom gnus-read-newsrc-file t
220 "*Non-nil means that Gnus will read the `.newsrc' file.
221 Gnus always reads its own startup file, which is called
222 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
223 be readily understood by other newsreaders. If you don't plan on
224 using other newsreaders, set this variable to nil to save some time on
230 (defcustom gnus-save-newsrc-file t
231 "*Non-nil means that Gnus will save the `.newsrc' file.
232 Gnus always saves its own startup file, which is called
233 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
234 be readily understood by other newsreaders. If you don't plan on
235 using other newsreaders, set this variable to nil to save some time on
240 (defcustom gnus-save-killed-list t
241 "*If non-nil, save the list of killed groups to the startup file.
242 If you set this variable to nil, you'll save both time (when starting
243 and quitting) and space (both memory and disk), but it will also mean
244 that Gnus has no record of which groups are new and which are old, so
245 the automatic new newsgroups subscription methods become meaningless.
247 You should always set `gnus-check-new-newsgroups' to `ask-server' or
248 nil if you set this variable to nil.
250 This variable can also be a regexp. In that case, all groups that do
251 not match this regexp will be removed before saving the list."
255 (defcustom gnus-ignored-newsgroups
257 '("^to\\." ; not "real" groups
258 "^[0-9. \t]+\\( \\|$\\)" ; all digits in name
259 "^[\"][]\"[#'()]" ; bogus characters
262 "*A regexp to match uninteresting newsgroups in the active file.
263 Any lines in the active file matching this regular expression are
264 removed from the newsgroup list before anything else is done to it,
265 thus making them effectively non-existent."
266 :group 'gnus-group-new
269 (defcustom gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
270 "*Function(s) called with a group name when new group is detected.
271 A few pre-made functions are supplied: `gnus-subscribe-randomly'
272 inserts new groups at the beginning of the list of groups;
273 `gnus-subscribe-alphabetically' inserts new groups in strict
274 alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
275 in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
276 for your decision; `gnus-subscribe-killed' kills all new groups;
277 `gnus-subscribe-zombies' will make all new groups into zombies;
278 `gnus-subscribe-topics' will enter groups into the topics that
280 :group 'gnus-group-new
281 :type '(radio (function-item gnus-subscribe-randomly)
282 (function-item gnus-subscribe-alphabetically)
283 (function-item gnus-subscribe-hierarchically)
284 (function-item gnus-subscribe-interactively)
285 (function-item gnus-subscribe-killed)
286 (function-item gnus-subscribe-zombies)
287 (function-item gnus-subscribe-topics)
291 (defcustom gnus-subscribe-newsgroup-hooks nil
292 "*Hooks run after you subscribe to a new group. The hooks will be called
293 with new group's name as argument."
294 :group 'gnus-group-new
297 (defcustom gnus-subscribe-options-newsgroup-method
298 'gnus-subscribe-alphabetically
299 "*Function(s) called to subscribe newsgroups mentioned on \"options -n\" lines.
300 If, for instance, you want to subscribe to all newsgroups in the
301 \"no\" and \"alt\" hierarchies, you'd put the following in your
304 options -n no.all alt.all
306 Gnus will the subscribe all new newsgroups in these hierarchies with
307 the subscription method in this variable."
308 :group 'gnus-group-new
309 :type '(radio (function-item gnus-subscribe-randomly)
310 (function-item gnus-subscribe-alphabetically)
311 (function-item gnus-subscribe-hierarchically)
312 (function-item gnus-subscribe-interactively)
313 (function-item gnus-subscribe-killed)
314 (function-item gnus-subscribe-zombies)
315 (function-item gnus-subscribe-topics)
319 (defcustom gnus-subscribe-hierarchical-interactive nil
320 "*If non-nil, Gnus will offer to subscribe hierarchically.
321 When a new hierarchy appears, Gnus will ask the user:
323 'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
325 If the user pressed `d', Gnus will descend the hierarchy, `y' will
326 subscribe to all newsgroups in the hierarchy and `s' will skip this
327 hierarchy in its entirety."
328 :group 'gnus-group-new
331 (defcustom gnus-auto-subscribed-groups
332 "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl\\|^nnmaildir"
333 "*All new groups that match this regexp will be subscribed automatically.
334 Note that this variable only deals with new groups. It has no effect
335 whatsoever on old groups.
337 New groups that match this regexp will not be handled by
338 `gnus-subscribe-newsgroup-method'. Instead, they will
339 be subscribed using `gnus-subscribe-options-newsgroup-method'."
340 :group 'gnus-group-new
343 (defcustom gnus-options-subscribe nil
344 "*All new groups matching this regexp will be subscribed unconditionally.
345 Note that this variable deals only with new newsgroups. This variable
346 does not affect old newsgroups.
348 New groups that match this regexp will not be handled by
349 `gnus-subscribe-newsgroup-method'. Instead, they will
350 be subscribed using `gnus-subscribe-options-newsgroup-method'."
351 :group 'gnus-group-new
352 :type '(choice regexp
353 (const :tag "none" nil)))
355 (defcustom gnus-options-not-subscribe nil
356 "*All new groups matching this regexp will be ignored.
357 Note that this variable deals only with new newsgroups. This variable
358 does not affect old (already subscribed) newsgroups."
359 :group 'gnus-group-new
360 :type '(choice regexp
361 (const :tag "none" nil)))
363 (defcustom gnus-modtime-botch nil
364 "*Non-nil means .newsrc should be deleted prior to save.
365 Its use is due to the bogus appearance that .newsrc was modified on
370 (defcustom gnus-check-bogus-groups-hook nil
371 "A hook run after removing bogus groups."
372 :group 'gnus-start-server
375 (defcustom gnus-startup-hook nil
376 "A hook called at startup.
377 This hook is called after Gnus is connected to the NNTP server."
381 (defcustom gnus-before-startup-hook nil
382 "A hook called at before startup.
383 This hook is called as the first thing when Gnus is started."
387 (defcustom gnus-started-hook nil
388 "A hook called as the last thing after startup."
392 (defcustom gnus-setup-news-hook
393 '(gnus-fixup-nnimap-unread-after-getting-new-news)
394 "A hook after reading the .newsrc file, but before generating the buffer."
398 (defcustom gnus-get-top-new-news-hook nil
399 "A hook run just before Gnus checks for new news globally."
400 :group 'gnus-group-new
403 (defcustom gnus-get-new-news-hook nil
404 "A hook run just before Gnus checks for new news."
405 :group 'gnus-group-new
408 (defcustom gnus-after-getting-new-news-hook
409 '(gnus-display-time-event-handler
410 gnus-fixup-nnimap-unread-after-getting-new-news)
411 "A hook run after Gnus checks for new news when Gnus is already running."
412 :group 'gnus-group-new
415 (defcustom gnus-read-newsrc-el-hook nil
416 "A hook called after reading the newsrc.eld? file."
420 (defcustom gnus-save-newsrc-hook nil
421 "A hook called before saving any of the newsrc files."
425 (defcustom gnus-save-quick-newsrc-hook nil
426 "A hook called just before saving the quick newsrc file.
427 Can be used to turn version control on or off."
431 (defcustom gnus-save-standard-newsrc-hook nil
432 "A hook called just before saving the standard newsrc file.
433 Can be used to turn version control on or off."
437 (defcustom gnus-group-mode-hook nil
438 "Hook for Gnus group mode."
439 :group 'gnus-group-various
440 :options '(gnus-topic-mode)
443 (defcustom gnus-always-read-dribble-file nil
444 "Unconditionally read the dribble file."
448 ;;; Internal variables
450 (defvar gnus-ding-file-coding-system (static-if (boundp 'MULE)
453 "Coding system for ding file.")
454 ;; Note that the ding file for T-gnus ought not to have byte-codes.
456 (defvar gnus-newsrc-file-version nil)
457 (defvar gnus-override-subscribe-method nil)
458 (defvar gnus-dribble-buffer nil)
459 (defvar gnus-newsrc-options nil
460 "Options line in the .newsrc file.")
462 (defvar gnus-newsrc-options-n nil
463 "List of regexps representing groups to be subscribed/ignored unconditionally.")
465 (defvar gnus-newsrc-last-checked-date nil
466 "Date Gnus last asked server for new newsgroups.")
468 (defvar gnus-current-startup-file nil
469 "Startup file for the current host.")
471 ;; Byte-compiler warning.
472 (defvar gnus-group-line-format)
474 ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
475 (defvar gnus-init-inhibit nil)
476 (defun gnus-read-init-file (&optional inhibit-next)
477 ;; Don't load .gnus if the -q option was used.
479 (if gnus-init-inhibit
480 (setq gnus-init-inhibit nil)
481 (setq gnus-init-inhibit inhibit-next)
482 (dolist (file (list gnus-site-init-file gnus-init-file))
484 (locate-library file))
485 (if (or debug-on-error debug-on-quit)
490 (error "Error in %s: %s" file (cadr var))))))))))
492 ;; For subscribing new newsgroup
494 (defun gnus-subscribe-hierarchical-interactive (groups)
495 (let ((groups (sort groups 'string<))
496 prefixes prefix start ans group starts)
498 (setq prefixes (list "^"))
499 (while (and groups prefixes)
500 (while (not (string-match (car prefixes) (car groups)))
501 (setq prefixes (cdr prefixes)))
502 (setq prefix (car prefixes))
503 (setq start (1- (length prefix)))
504 (if (and (string-match "[^\\.]\\." (car groups) start)
507 (concat "^" (substring (car groups) 0 (match-end 0))))
508 (string-match prefix (cadr groups)))
510 (push prefix prefixes)
511 (message "Descend hierarchy %s? ([y]nsq): "
512 (substring prefix 1 (1- (length prefix))))
513 (while (not (memq (setq ans (read-char-exclusive))
514 '(?y ?\n ?\r ?n ?s ?q)))
516 (message "Descend hierarchy %s? ([y]nsq): "
517 (substring prefix 1 (1- (length prefix)))))
521 (setq group (car groups))))
522 (push group gnus-killed-list)
523 (gnus-sethash group group gnus-killed-hashtb)
524 (setq groups (cdr groups)))
525 (setq starts (cdr starts)))
529 (setq group (car groups))))
530 (gnus-sethash group group gnus-killed-hashtb)
531 (gnus-subscribe-alphabetically (car groups))
532 (setq groups (cdr groups)))
533 (setq starts (cdr starts)))
536 (setq group (car groups))
537 (push group gnus-killed-list)
538 (gnus-sethash group group gnus-killed-hashtb)
539 (setq groups (cdr groups))))
541 (message "Subscribe %s? ([n]yq)" (car groups))
542 (while (not (memq (setq ans (read-char-exclusive))
543 '(?y ?\n ?\r ?q ?n)))
545 (message "Subscribe %s? ([n]yq)" (car groups)))
546 (setq group (car groups))
548 (gnus-subscribe-alphabetically (car groups))
549 (gnus-sethash group group gnus-killed-hashtb))
552 (setq group (car groups))
553 (push group gnus-killed-list)
554 (gnus-sethash group group gnus-killed-hashtb)
555 (setq groups (cdr groups))))
557 (push group gnus-killed-list)
558 (gnus-sethash group group gnus-killed-hashtb)))
559 (setq groups (cdr groups)))))))
561 (defun gnus-subscribe-randomly (newsgroup)
562 "Subscribe new NEWSGROUP by making it the first newsgroup."
563 (gnus-subscribe-newsgroup newsgroup))
565 (defun gnus-subscribe-alphabetically (newgroup)
566 "Subscribe new NEWSGROUP and insert it in alphabetical order."
567 (let ((groups (cdr gnus-newsrc-alist))
569 (while (and (not before) groups)
570 (if (string< newgroup (caar groups))
571 (setq before (caar groups))
572 (setq groups (cdr groups))))
573 (gnus-subscribe-newsgroup newgroup before)))
575 (defun gnus-subscribe-hierarchically (newgroup)
576 "Subscribe new NEWSGROUP and insert it in hierarchical newsgroup order."
577 ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
579 (set-buffer (nnheader-find-file-noselect gnus-current-startup-file))
581 (let ((groupkey newgroup) before)
582 (while (and (not before) groupkey)
583 (goto-char (point-min))
585 (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
586 (while (and (re-search-forward groupkey-re nil t)
588 (setq before (match-string 1))
589 (string< before newgroup)))))
590 ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
592 (when (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
593 (substring groupkey (match-beginning 1) (match-end 1)))))
594 (gnus-subscribe-newsgroup newgroup before))
595 (kill-buffer (current-buffer)))))
597 (defun gnus-subscribe-interactively (group)
598 "Subscribe the new GROUP interactively.
599 It is inserted in hierarchical newsgroup order if subscribed. If not,
601 (if (gnus-y-or-n-p (format "Subscribe new newsgroup: %s " group))
602 (gnus-subscribe-hierarchically group)
603 (push group gnus-killed-list)))
605 (defun gnus-subscribe-zombies (group)
606 "Make the new GROUP into a zombie group."
607 (push group gnus-zombie-list))
609 (defun gnus-subscribe-killed (group)
610 "Make the new GROUP a killed group."
611 (push group gnus-killed-list))
613 (defun gnus-subscribe-newsgroup (newsgroup &optional next)
614 "Subscribe new NEWSGROUP.
615 If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
616 the first newsgroup."
618 (goto-char (point-min))
619 ;; We subscribe the group by changing its level to `subscribed'.
620 (gnus-group-change-level
621 newsgroup gnus-level-default-subscribed
622 gnus-level-killed (gnus-gethash (or next "dummy.group")
624 (gnus-message 5 "Subscribe newsgroup: %s" newsgroup)
625 (run-hook-with-args 'gnus-subscribe-newsgroup-hooks newsgroup)
628 (defun gnus-read-active-file-p ()
629 "Say whether the active file has been read from `gnus-select-method'."
630 (memq gnus-select-method gnus-have-read-active-file))
632 ;;; General various misc type functions.
634 ;; Silence byte-compiler.
636 (defvar gnus-current-headers)
637 (defvar gnus-thread-indent-array)
638 (defvar gnus-newsgroup-name)
639 (defvar gnus-newsgroup-headers)
640 (defvar gnus-group-list-mode)
641 (defvar gnus-group-mark-positions)
642 (defvar gnus-newsgroup-data)
643 (defvar gnus-newsgroup-unreads)
644 (defvar nnoo-state-alist)
645 (defvar gnus-current-select-method)
646 (defvar mail-sources)
647 (defvar nnmail-scan-directory-mail-source-once)
648 (defvar nnmail-split-history)
649 (defvar nnmail-spool-file))
651 (defun gnus-clear-quick-file-variables ()
652 "Clear all variables in quick startup files."
653 (let ((variables gnus-variable-list))
654 ;; Clear Gnus variables.
656 (set (car variables) nil)
657 (setq variables (cdr variables))))
658 (let ((files gnus-product-variable-file-list))
660 (let ((variables (nthcdr 3 (car files))))
662 (set (car variables) nil)
663 (setq variables (cdr variables))))
664 (setq files (cdr files)))))
666 (defun gnus-close-all-servers ()
669 (dolist (server gnus-opened-servers)
670 (gnus-close-server (car server))))
672 (defun gnus-clear-system ()
673 "Clear all variables and buffers."
674 ;; Clear gnus variables.
675 (gnus-clear-quick-file-variables)
676 ;; Clear other internal variables.
677 (setq gnus-list-of-killed-groups nil
678 gnus-have-read-active-file nil
679 gnus-newsrc-alist nil
680 gnus-newsrc-hashtb nil
683 gnus-killed-hashtb nil
684 gnus-active-hashtb nil
685 gnus-moderated-hashtb nil
686 gnus-description-hashtb nil
687 gnus-current-headers nil
688 gnus-thread-indent-array nil
689 gnus-newsgroup-headers nil
690 gnus-newsgroup-name nil
691 gnus-server-alist nil
692 gnus-group-list-mode nil
693 gnus-opened-servers nil
694 gnus-group-mark-positions nil
695 gnus-newsgroup-data nil
696 gnus-newsgroup-unreads nil
698 gnus-current-select-method nil
699 nnmail-split-history nil
700 gnus-ephemeral-servers nil)
701 (gnus-shutdown 'gnus)
702 ;; Kill the startup file.
703 (and gnus-current-startup-file
704 (get-file-buffer gnus-current-startup-file)
705 (kill-buffer (get-file-buffer gnus-current-startup-file)))
706 ;; Clear the dribble buffer.
708 ;; Kill global KILL file buffer.
709 (when (get-file-buffer (gnus-newsgroup-kill-file nil))
710 (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil))))
711 ;; Kill Gnus buffers.
712 (dolist (buffer (gnus-buffers))
713 (gnus-kill-buffer buffer))
714 ;; Remove Gnus frames.
715 (gnus-kill-gnus-frames))
717 (defun gnus-no-server-1 (&optional arg slave)
719 If ARG is a positive number, Gnus will use that as the
720 startup level. If ARG is nil, Gnus will be started at level 2.
721 If ARG is non-nil and not a positive number, Gnus will
722 prompt the user for the name of an NNTP server to use.
723 As opposed to `gnus', this command will not connect to the local server."
725 (let ((val (or arg (1- gnus-level-default-subscribed))))
727 (make-local-variable 'gnus-group-use-permanent-levels)
728 (setq gnus-group-use-permanent-levels val)))
730 (defun gnus-1 (&optional arg dont-connect slave)
732 If ARG is non-nil and a positive number, Gnus will use that as the
733 startup level. If ARG is non-nil and not a positive number, Gnus will
734 prompt the user for the name of an NNTP server to use."
739 (switch-to-buffer gnus-group-buffer)
740 (gnus-group-get-new-news
743 (max (car gnus-group-list-mode) arg))))
747 (gnus-run-hooks 'gnus-before-startup-hook)
748 (nnheader-init-server-buffer)
749 (setq gnus-slave slave)
750 (gnus-read-init-file)
754 (when gnus-simple-splash
755 (setq gnus-simple-splash nil)
760 (= (frame-height) (1+ (window-height))))
763 (let ((level (and (numberp arg) (> arg 0) arg))
769 (gnus-start-news-server (and arg (not level))))))
770 (if (and (not dont-connect)
773 (gnus-run-hooks 'gnus-startup-hook)
774 ;; NNTP server is successfully open.
776 ;; Find the current startup file name.
777 (setq gnus-current-startup-file
778 (gnus-make-newsrc-file gnus-startup-file))
780 ;; Read the dribble file.
781 (when (or gnus-slave gnus-use-dribble-file)
782 (gnus-dribble-read-file))
784 ;; Allow using GroupLens predictions.
785 (when gnus-use-grouplens
787 (add-hook 'gnus-summary-mode-hook 'gnus-grouplens-mode))
789 ;; Do the actual startup.
791 (gnus-request-create-group "queue" '(nndraft "")))
792 (gnus-request-create-group "drafts" '(nndraft ""))
793 (gnus-setup-news nil level dont-connect)
794 (gnus-run-hooks 'gnus-setup-news-hook)
795 (gnus-start-draft-setup)
796 ;; Generate the group buffer.
797 (gnus-group-list-groups level)
798 (gnus-group-first-unread-group)
799 (gnus-configure-windows 'group)
800 (gnus-group-set-mode-line)
802 (set-language-info "Japanese" 'gnus-info "gnus-ja")
803 (gnus-run-hooks 'gnus-started-hook))))))
805 (defun gnus-start-draft-setup ()
806 "Make sure the draft group exists."
807 (gnus-request-create-group "drafts" '(nndraft ""))
808 (unless (gnus-gethash "nndraft:drafts" gnus-newsrc-hashtb)
809 (let ((gnus-level-default-subscribed 1))
810 (gnus-subscribe-group "nndraft:drafts" nil '(nndraft "")))
811 (gnus-group-set-parameter
812 "nndraft:drafts" 'gnus-dummy '((gnus-draft-mode)))))
819 (defvar gnus-dribble-ignore nil)
820 (defvar gnus-dribble-eval-file nil)
822 (defun gnus-dribble-file-name ()
823 "Return the dribble file for the current .newsrc."
825 (if gnus-dribble-directory
826 (concat (file-name-as-directory gnus-dribble-directory)
827 (file-name-nondirectory gnus-current-startup-file))
828 gnus-current-startup-file)
831 (defun gnus-dribble-enter (string)
832 "Enter STRING into the dribble buffer."
833 (when (and (not gnus-dribble-ignore)
835 (buffer-name gnus-dribble-buffer))
836 (let ((obuf (current-buffer)))
837 (set-buffer gnus-dribble-buffer)
838 (goto-char (point-max))
840 ;; This has been commented by Josh Huber <huber@alum.wpi.edu>
841 ;; It causes problems with both XEmacs and Emacs 21, and doesn't
842 ;; seem to be of much value. (FIXME: remove this after we make sure
844 ;; (set-window-point (get-buffer-window (current-buffer)) (point-max))
845 (bury-buffer gnus-dribble-buffer)
847 (set-buffer gnus-group-buffer)
848 (gnus-group-set-mode-line))
851 (defun gnus-dribble-touch ()
852 "Touch the dribble buffer."
853 (gnus-dribble-enter ""))
855 (defun gnus-dribble-read-file ()
856 "Read the dribble file from disk."
857 (let ((dribble-file (gnus-dribble-file-name)))
859 (set-buffer (setq gnus-dribble-buffer
860 (gnus-get-buffer-create
861 (file-name-nondirectory dribble-file))))
863 (setq buffer-file-name dribble-file)
865 (buffer-disable-undo)
866 (bury-buffer (current-buffer))
867 (set-buffer-modified-p nil)
868 (let ((auto (make-auto-save-file-name))
869 (gnus-dribble-ignore t)
872 (when (or (file-exists-p auto) (file-exists-p dribble-file))
873 ;; Load whichever file is newest -- the auto save file
874 ;; or the "real" file.
875 (if (file-newer-than-file-p auto dribble-file)
876 (nnheader-insert-file-contents auto)
877 (nnheader-insert-file-contents dribble-file))
878 (unless (zerop (buffer-size))
879 (set-buffer-modified-p t))
880 ;; Set the file modes to reflect the .newsrc file modes.
882 (when (and (file-exists-p gnus-current-startup-file)
883 (file-exists-p dribble-file)
884 (setq modes (file-modes gnus-current-startup-file)))
885 (set-file-modes dribble-file modes))
886 (goto-char (point-min))
887 (when (search-forward "Gnus was exited on purpose" nil t)
889 ;; Possibly eval the file later.
890 (when (or gnus-always-read-dribble-file
893 "Gnus exited on purpose without saving; read auto-save file anyway? "
894 "Gnus auto-save file exists. Do you want to read it? ")))
895 (setq gnus-dribble-eval-file t)))))))
897 (defun gnus-dribble-eval-file ()
898 (when gnus-dribble-eval-file
899 (setq gnus-dribble-eval-file nil)
901 (let ((gnus-dribble-ignore t))
902 (set-buffer gnus-dribble-buffer)
903 (eval-buffer (current-buffer))))))
905 (defun gnus-dribble-delete-file ()
906 (when (file-exists-p (gnus-dribble-file-name))
907 (delete-file (gnus-dribble-file-name)))
908 (when gnus-dribble-buffer
910 (set-buffer gnus-dribble-buffer)
911 (let ((auto (make-auto-save-file-name)))
912 (when (file-exists-p auto)
915 (set-buffer-modified-p nil)))))
917 (defun gnus-dribble-save ()
918 (when (and gnus-dribble-buffer
919 (buffer-name gnus-dribble-buffer))
921 (set-buffer gnus-dribble-buffer)
924 (defun gnus-dribble-clear ()
925 (when (gnus-buffer-exists-p gnus-dribble-buffer)
927 (set-buffer gnus-dribble-buffer)
929 (set-buffer-modified-p nil)
930 (setq buffer-saved-size (buffer-size)))))
934 ;;; Active & Newsrc File Handling
937 (defun gnus-setup-news (&optional rawfile level dont-connect)
938 "Setup news information.
939 If RAWFILE is non-nil, the .newsrc file will also be read.
940 If LEVEL is non-nil, the news will be set up at level LEVEL."
942 (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile))))
943 ;; Binding this variable will inhibit multiple fetchings
944 ;; of the same mail source.
945 (nnmail-fetched-sources (list t)))
948 ;; Clear some variables to re-initialize news information.
949 (setq gnus-newsrc-alist nil
950 gnus-active-hashtb nil)
951 ;; Read the newsrc file and create `gnus-newsrc-hashtb'.
952 (gnus-read-newsrc-file rawfile))
954 ;; Make sure the archive server is available to all and sundry.
955 (when gnus-message-archive-method
956 (unless (assoc "archive" gnus-server-alist)
961 ,(nnheader-concat message-directory "archive"))
962 (nnfolder-active-file
963 ,(nnheader-concat message-directory "archive/active"))
964 (nnfolder-get-new-mail nil)
965 (nnfolder-inhibit-expiry t))
968 ;; If we don't read the complete active file, we fill in the
970 (when (or (null gnus-read-active-file)
971 (eq gnus-read-active-file 'some))
972 (gnus-update-active-hashtb-from-killed))
974 ;; Read the active file and create `gnus-active-hashtb'.
975 ;; If `gnus-read-active-file' is nil, then we just create an empty
976 ;; hash table. The partial filling out of the hash table will be
977 ;; done in `gnus-get-unread-articles'.
978 (and gnus-read-active-file
980 (gnus-read-active-file nil dont-connect))
982 (unless gnus-active-hashtb
983 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
985 ;; Initialize the cache.
989 ;; Possibly eval the dribble file.
991 (or gnus-use-dribble-file gnus-slave)
992 (gnus-dribble-eval-file))
994 ;; Slave Gnusii should then clear the dribble buffer.
995 (when (and init gnus-slave)
996 (gnus-dribble-clear))
998 (gnus-update-format-specifications)
1000 ;; See whether we need to read the description file.
1001 (when (and (boundp 'gnus-group-line-format)
1002 (stringp gnus-group-line-format)
1003 (let ((case-fold-search nil))
1004 (string-match "%[-,0-9]*D" gnus-group-line-format))
1005 (not gnus-description-hashtb)
1007 gnus-read-active-file)
1008 (gnus-read-all-descriptions-files))
1010 ;; Find new newsgroups and treat them.
1011 (when (and init gnus-check-new-newsgroups (not level)
1012 (gnus-check-server gnus-select-method)
1015 (gnus-find-new-newsgroups))
1017 ;; Check and remove bogus newsgroups.
1018 (when (and init gnus-check-bogus-newsgroups
1019 gnus-read-active-file (not level)
1020 (gnus-server-opened gnus-select-method))
1021 (gnus-check-bogus-newsgroups))
1023 ;; We might read in new NoCeM messages here.
1024 (when (and gnus-use-nocem
1027 (gnus-nocem-scan-groups))
1029 ;; Read any slave files.
1030 (gnus-master-read-slave-newsrc)
1032 ;; Find the number of unread articles in each non-dead group.
1033 (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
1034 (gnus-get-unread-articles level))))
1036 (defun gnus-call-subscribe-functions (method group)
1037 "Call METHOD to subscribe GROUP.
1038 If no function returns `non-nil', call `gnus-subscribe-zombies'."
1041 (funcall method group))
1044 (dolist (func method)
1045 (if (funcall func group)
1049 (gnus-subscribe-zombies group)))
1051 (defun gnus-find-new-newsgroups (&optional arg)
1052 "Search for new newsgroups and add them.
1053 Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method'.
1054 The `-n' option line from .newsrc is respected.
1056 With 1 C-u, use the `ask-server' method to query the server for new
1058 With 2 C-u's, use most complete method possible to query the server
1059 for new groups, and subscribe the new groups as zombies."
1061 (let* ((gnus-subscribe-newsgroup-method
1062 gnus-subscribe-newsgroup-method)
1064 ((or (and (= (or arg 1) 4)
1065 (not (listp gnus-check-new-newsgroups)))
1066 (null gnus-read-active-file)
1067 (eq gnus-read-active-file 'some))
1070 (setq gnus-subscribe-newsgroup-method
1071 'gnus-subscribe-zombies)
1073 (t gnus-check-new-newsgroups))))
1074 (unless (gnus-check-first-time-used)
1075 (if (or (consp check)
1076 (eq check 'ask-server))
1077 ;; Ask the server for new groups.
1078 (gnus-ask-server-for-new-groups)
1079 ;; Go through the active hashtb and look for new groups.
1081 group new-newsgroups)
1082 (gnus-message 5 "Looking for new newsgroups...")
1083 (unless gnus-have-read-active-file
1084 (gnus-read-active-file))
1085 (setq gnus-newsrc-last-checked-date (message-make-date))
1086 (unless gnus-killed-hashtb
1087 (gnus-make-hashtable-from-killed))
1088 ;; Go though every newsgroup in `gnus-active-hashtb' and compare
1089 ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
1092 (if (or (null (setq group (symbol-name sym)))
1094 (null (symbol-value sym))
1095 (gnus-gethash group gnus-killed-hashtb)
1096 (gnus-gethash group gnus-newsrc-hashtb))
1098 (let ((do-sub (gnus-matches-options-n group)))
1100 ((eq do-sub 'subscribe)
1101 (setq groups (1+ groups))
1102 (gnus-sethash group group gnus-killed-hashtb)
1103 (gnus-call-subscribe-functions
1104 gnus-subscribe-options-newsgroup-method group))
1105 ((eq do-sub 'ignore)
1108 (setq groups (1+ groups))
1109 (gnus-sethash group group gnus-killed-hashtb)
1110 (if gnus-subscribe-hierarchical-interactive
1111 (push group new-newsgroups)
1112 (gnus-call-subscribe-functions
1113 gnus-subscribe-newsgroup-method group)))))))
1115 (when new-newsgroups
1116 (gnus-subscribe-hierarchical-interactive new-newsgroups))
1118 (gnus-message 5 "%d new newsgroup%s arrived."
1119 groups (if (> groups 1) "s have" " has"))
1120 (gnus-message 5 "No new newsgroups.")))))))
1122 (defun gnus-matches-options-n (group)
1123 ;; Returns `subscribe' if the group is to be unconditionally
1124 ;; subscribed, `ignore' if it is to be ignored, and nil if there is
1125 ;; no match for the group.
1127 ;; First we check the two user variables.
1129 ((and gnus-options-subscribe
1130 (string-match gnus-options-subscribe group))
1132 ((and gnus-auto-subscribed-groups
1133 (string-match gnus-auto-subscribed-groups group))
1135 ((and gnus-options-not-subscribe
1136 (string-match gnus-options-not-subscribe group))
1138 ;; Then we go through the list that was retrieved from the .newsrc
1139 ;; file. This list has elements on the form
1140 ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
1141 ;; is in the reverse order of the options line) is returned.
1143 (let ((regs gnus-newsrc-options-n))
1145 (not (string-match (caar regs) group)))
1146 (setq regs (cdr regs)))
1147 (and regs (cdar regs))))))
1149 (defun gnus-ask-server-for-new-groups ()
1150 (let* ((new-date (message-make-date))
1151 (date (or gnus-newsrc-last-checked-date new-date))
1152 (methods (cons gnus-select-method
1154 (when (gnus-archive-server-wanted-p)
1157 (and (consp gnus-check-new-newsgroups)
1158 gnus-check-new-newsgroups)
1159 gnus-secondary-select-methods))))
1161 group new-newsgroups got-new method hashtb
1162 gnus-override-subscribe-method)
1163 (unless gnus-killed-hashtb
1164 (gnus-make-hashtable-from-killed))
1165 ;; Go through both primary and secondary select methods and
1166 ;; request new newsgroups.
1167 (while (setq method (gnus-server-get-method nil (pop methods)))
1168 (setq new-newsgroups nil
1169 gnus-override-subscribe-method method)
1170 (when (and (gnus-check-server method)
1171 (gnus-request-newgroups date method))
1174 hashtb (gnus-make-hashtable 100))
1175 (set-buffer nntp-server-buffer)
1176 ;; Enter all the new groups into a hashtable.
1177 (gnus-active-to-gnus-format method hashtb 'ignore))
1178 ;; Now all new groups from `method' are in `hashtb'.
1181 (if (or (null (setq group (symbol-name group-sym)))
1182 (not (boundp group-sym))
1183 (null (symbol-value group-sym))
1184 (gnus-gethash group gnus-newsrc-hashtb)
1185 (member group gnus-zombie-list)
1186 (member group gnus-killed-list))
1187 ;; The group is already known.
1189 ;; Make this group active.
1190 (when (symbol-value group-sym)
1191 (gnus-set-active group (symbol-value group-sym)))
1192 ;; Check whether we want it or not.
1193 (let ((do-sub (gnus-matches-options-n group)))
1195 ((eq do-sub 'subscribe)
1197 (gnus-sethash group group gnus-killed-hashtb)
1198 (gnus-call-subscribe-functions
1199 gnus-subscribe-options-newsgroup-method group))
1200 ((eq do-sub 'ignore)
1204 (gnus-sethash group group gnus-killed-hashtb)
1205 (if gnus-subscribe-hierarchical-interactive
1206 (push group new-newsgroups)
1207 (gnus-call-subscribe-functions
1208 gnus-subscribe-newsgroup-method group)))))))
1210 (when new-newsgroups
1211 (gnus-subscribe-hierarchical-interactive new-newsgroups)))
1213 (gnus-message 5 "%d new newsgroup%s arrived"
1214 groups (if (> groups 1) "s have" " has"))
1215 (gnus-message 5 "No new newsgroups"))
1217 (setq gnus-newsrc-last-checked-date new-date))
1220 (defun gnus-check-first-time-used ()
1222 ;; First check if any of the following files exist. If they do,
1223 ;; it's not the first time the user has used Gnus.
1224 (dolist (file (list (concat gnus-current-startup-file ".el")
1225 (concat gnus-current-startup-file ".eld")
1226 (concat gnus-startup-file ".el")
1227 (concat gnus-startup-file ".eld")))
1228 (when (file-exists-p file)
1229 (throw 'ended nil)))
1230 (gnus-message 6 "First time user; subscribing you to default groups")
1231 (unless (gnus-read-active-file-p)
1232 (let ((gnus-read-active-file t))
1233 (gnus-read-active-file)))
1234 (setq gnus-newsrc-last-checked-date (message-make-date))
1235 ;; Subscribe to the default newsgroups.
1236 (let ((groups (or gnus-default-subscribed-newsgroups
1237 gnus-backup-default-subscribed-newsgroups))
1240 ;; If t, we subscribe (or not) all groups as if they were new.
1243 (when (setq group (symbol-name sym))
1244 (let ((do-sub (gnus-matches-options-n group)))
1246 ((eq do-sub 'subscribe)
1247 (gnus-sethash group group gnus-killed-hashtb)
1248 (gnus-call-subscribe-functions
1249 gnus-subscribe-options-newsgroup-method group))
1250 ((eq do-sub 'ignore)
1253 (push group gnus-killed-list))))))
1255 (dolist (group groups)
1256 ;; Only subscribe the default groups that are activated.
1257 (when (gnus-active group)
1258 (gnus-group-change-level
1259 group gnus-level-default-subscribed gnus-level-killed)))
1261 (set-buffer gnus-group-buffer)
1262 ;; Don't error if the group already exists. This happens when a
1263 ;; first-time user types 'F'. -- didier
1264 (gnus-group-make-help-group t))
1265 (when gnus-novice-user
1266 (gnus-message 7 "`A k' to list killed groups"))))))
1268 (defun gnus-subscribe-group (group &optional previous method)
1269 "Subcribe GROUP and put it after PREVIOUS."
1270 (gnus-group-change-level
1272 (list t group gnus-level-default-subscribed nil nil method)
1274 gnus-level-default-subscribed gnus-level-killed previous t)
1277 ;; `gnus-group-change-level' is the fundamental function for changing
1278 ;; subscription levels of newsgroups. This might mean just changing
1279 ;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back
1280 ;; again, which subscribes/unsubscribes a group, which is equally
1281 ;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and
1282 ;; from 8-9 to 1-7 means that you remove the group from the list of
1283 ;; killed (or zombie) groups and add them to the (kinda) subscribed
1284 ;; groups. And last but not least, moving from 8 to 9 and 9 to 8,
1285 ;; which is trivial.
1286 ;; ENTRY can either be a string (newsgroup name) or a list (if
1287 ;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST),
1288 ;; otherwise it's a list in the format of the `gnus-newsrc-hashtb'
1290 ;; LEVEL is the new level of the group, OLDLEVEL is the old level and
1291 ;; PREVIOUS is the group (in hashtb entry format) to insert this group
1293 (defun gnus-group-change-level (entry level &optional oldlevel
1294 previous fromkilled)
1295 (let (group info active num)
1296 ;; Glean what info we can from the arguments
1298 (if fromkilled (setq group (nth 1 entry))
1299 (setq group (car (nth 2 entry))))
1301 (when (and (stringp entry)
1303 (< oldlevel gnus-level-zombie))
1304 (setq entry (gnus-gethash entry gnus-newsrc-hashtb)))
1305 (if (and (not oldlevel)
1307 (setq oldlevel (gnus-info-level (nth 2 entry)))
1308 (setq oldlevel (or oldlevel gnus-level-killed)))
1309 (when (stringp previous)
1310 (setq previous (gnus-gethash previous gnus-newsrc-hashtb)))
1312 (if (and (>= oldlevel gnus-level-zombie)
1313 (gnus-gethash group gnus-newsrc-hashtb))
1314 ;; We are trying to subscribe a group that is already
1318 (unless (gnus-ephemeral-group-p group)
1320 (format "(gnus-group-change-level %S %S %S %S %S)"
1321 group level oldlevel (car (nth 2 previous)) fromkilled)))
1323 ;; Then we remove the newgroup from any old structures, if needed.
1324 ;; If the group was killed, we remove it from the killed or zombie
1325 ;; list. If not, and it is in fact going to be killed, we remove
1326 ;; it from the newsrc hash table and assoc.
1328 ((>= oldlevel gnus-level-zombie)
1329 ;; oldlevel could be wrong.
1330 (setq gnus-zombie-list (delete group gnus-zombie-list))
1331 (setq gnus-killed-list (delete group gnus-killed-list)))
1333 (when (and (>= level gnus-level-zombie)
1335 (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb)
1337 (setcdr (gnus-gethash (car (nth 3 entry))
1340 (setcdr (cdr entry) (cdddr entry)))))
1342 ;; Finally we enter (if needed) the list where it is supposed to
1343 ;; go, and change the subscription level. If it is to be killed,
1344 ;; we enter it into the killed or zombie list.
1346 ((>= level gnus-level-zombie)
1347 ;; Remove from the hash table.
1348 (gnus-sethash group nil gnus-newsrc-hashtb)
1349 ;; We do not enter foreign groups into the list of dead
1351 (unless (gnus-group-foreign-p group)
1352 (if (= level gnus-level-zombie)
1353 (push group gnus-zombie-list)
1354 (if (= oldlevel gnus-level-killed)
1355 ;; Remove from active hashtb.
1356 (unintern group gnus-active-hashtb)
1357 ;; Don't add it into killed-list if it was killed.
1358 (push group gnus-killed-list)))))
1360 ;; If the list is to be entered into the newsrc assoc, and
1361 ;; it was killed, we have to create an entry in the newsrc
1362 ;; hashtb format and fix the pointers in the newsrc assoc.
1363 (if (< oldlevel gnus-level-zombie)
1364 ;; It was alive, and it is going to stay alive, so we
1365 ;; just change the level and don't change any pointers or
1366 ;; hash table entries.
1367 (setcar (cdaddr entry) level)
1369 (setq info (cdr entry)
1371 (setq active (gnus-active group))
1373 (if active (- (1+ (cdr active)) (car active)) t))
1374 ;; Shorten the select method if possible, if we need to
1375 ;; store it at all (native groups).
1376 (let ((method (gnus-method-simplify
1377 (or gnus-override-subscribe-method
1378 (gnus-group-method group)))))
1380 (setq info (list group level nil nil method))
1381 (setq info (list group level nil)))))
1384 (let ((p gnus-newsrc-alist))
1388 (setq entry (cons info (cddr previous)))
1391 (setcdr (cdr previous) entry)
1392 (gnus-sethash group (cons num (cdr previous))
1393 gnus-newsrc-hashtb))
1394 (setcdr previous entry)
1395 (gnus-sethash group (cons num previous)
1396 gnus-newsrc-hashtb))
1398 (setcdr (gnus-gethash (caadr entry) gnus-newsrc-hashtb) entry))
1401 "(gnus-group-set-info '%S)" info)))))
1402 (when gnus-group-change-level-function
1403 (funcall gnus-group-change-level-function
1404 group level oldlevel previous)))))
1406 (defun gnus-kill-newsgroup (newsgroup)
1407 "Obsolete function. Kills a newsgroup."
1408 (gnus-group-change-level
1409 (gnus-gethash newsgroup gnus-newsrc-hashtb) gnus-level-killed))
1411 (defun gnus-check-bogus-newsgroups (&optional confirm)
1412 "Remove bogus newsgroups.
1413 If CONFIRM is non-nil, the user has to confirm the deletion of every
1415 (let ((newsrc (cdr gnus-newsrc-alist))
1416 bogus group entry info)
1417 (gnus-message 5 "Checking bogus newsgroups...")
1418 (unless (gnus-read-active-file-p)
1419 (gnus-read-active-file t))
1420 (when (gnus-read-active-file-p)
1421 ;; Find all bogus newsgroup that are subscribed.
1423 (setq info (pop newsrc)
1424 group (gnus-info-group info))
1425 (unless (or (gnus-active group) ; Active
1426 (and (gnus-info-method info)
1427 (not (gnus-secondary-method-p
1428 (gnus-info-method info))))) ; Foreign
1429 ;; Found a bogus newsgroup.
1430 (push group bogus)))
1433 "Remove bogus group %s? "
1435 ;; Remove all bogus subscribed groups by first killing them, and
1436 ;; then removing them from the list of killed groups.
1437 (when (setq entry (gnus-gethash group gnus-newsrc-hashtb))
1438 (gnus-group-change-level entry gnus-level-killed)
1439 (setq gnus-killed-list (delete group gnus-killed-list))))
1440 bogus '("group" "groups" "remove"))
1441 (while (setq group (pop bogus))
1442 ;; Remove all bogus subscribed groups by first killing them, and
1443 ;; then removing them from the list of killed groups.
1444 (when (setq entry (gnus-gethash group gnus-newsrc-hashtb))
1445 (gnus-group-change-level entry gnus-level-killed)
1446 (setq gnus-killed-list (delete group gnus-killed-list)))))
1447 ;; Then we remove all bogus groups from the list of killed and
1448 ;; zombie groups. They are removed without confirmation.
1449 (let ((dead-lists '(gnus-killed-list gnus-zombie-list))
1452 (setq killed (symbol-value (car dead-lists)))
1454 (unless (gnus-active (setq group (pop killed)))
1455 ;; The group is bogus.
1457 (set (car dead-lists)
1458 (delete group (symbol-value (car dead-lists))))))
1459 (setq dead-lists (cdr dead-lists))))
1460 (gnus-run-hooks 'gnus-check-bogus-groups-hook)
1461 (gnus-message 5 "Checking bogus newsgroups...done"))))
1463 (defun gnus-check-duplicate-killed-groups ()
1464 "Remove duplicates from the list of killed groups."
1466 (let ((killed gnus-killed-list))
1468 (gnus-message 9 "%d" (length killed))
1469 (setcdr killed (delete (car killed) (cdr killed)))
1470 (setq killed (cdr killed)))))
1472 ;; We want to inline a function from gnus-cache, so we cheat here:
1474 (defvar gnus-cache-active-hashtb)
1475 (defun gnus-cache-possibly-alter-active (group active)
1476 "Alter the ACTIVE info for GROUP to reflect the articles in the cache."
1477 (when gnus-cache-active-hashtb
1478 (let ((cache-active (gnus-gethash group gnus-cache-active-hashtb)))
1480 (when (< (car cache-active) (car active))
1481 (setcar active (car cache-active)))
1482 (when (> (cdr cache-active) (cdr active))
1483 (setcdr active (cdr cache-active))))))))
1485 (defun gnus-activate-group (group &optional scan dont-check method)
1486 ;; Check whether a group has been activated or not.
1487 ;; If SCAN, request a scan of that group as well.
1488 (let ((method (or method (inline (gnus-find-method-for-group group))))
1490 (and (inline (gnus-check-server method))
1491 ;; We escape all bugs and quit here to make it possible to
1492 ;; continue if a group is so out-there that it reports bugs
1496 (gnus-check-backend-function 'request-scan (car method))
1497 (gnus-request-scan group method))
1499 (if (or debug-on-error debug-on-quit)
1500 (inline (gnus-request-group group dont-check method))
1502 (inline (gnus-request-group group dont-check method))
1505 (message "Quit activating %s" group)
1508 (setq active (gnus-parse-active))
1509 ;; If there are no articles in the group, the GROUP
1510 ;; command may have responded with the `(0 . 0)'. We
1511 ;; ignore this if we already have an active entry
1513 (if (and (zerop (car active))
1514 (zerop (cdr active))
1515 (gnus-active group))
1517 (gnus-set-active group active)
1518 ;; Return the new active info.
1521 (defun gnus-get-unread-articles-in-group (info active &optional update)
1523 ;; Allow the backend to update the info in the group.
1525 (gnus-request-update-info
1526 info (inline (gnus-find-method-for-group
1527 (gnus-info-group info)))))
1528 (gnus-activate-group (gnus-info-group info) nil t))
1530 (let* ((range (gnus-info-read info))
1532 ;; If a cache is present, we may have to alter the active info.
1533 (when (and gnus-use-cache info)
1534 (inline (gnus-cache-possibly-alter-active
1535 (gnus-info-group info) active)))
1536 ;; Modify the list of read articles according to what articles
1537 ;; are available; then tally the unread articles and add the
1538 ;; number to the group hash table entry.
1540 ((zerop (cdr active))
1543 (setq num (- (1+ (cdr active)) (car active))))
1544 ((not (listp (cdr range)))
1545 ;; Fix a single (num . num) range according to the
1546 ;; active hash table.
1547 ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>.
1548 (and (< (cdr range) (car active)) (setcdr range (1- (car active))))
1549 (and (> (cdr range) (cdr active)) (setcdr range (cdr active)))
1550 ;; Compute number of unread articles.
1551 (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range))))))
1553 ;; The read list is a list of ranges. Fix them according to
1554 ;; the active hash table.
1555 ;; First peel off any elements that are below the lower
1557 (while (and (cdr range)
1559 (or (and (atom (cadr range)) (cadr range))
1561 (if (numberp (car range))
1564 (or (and (numberp (cadr range))
1568 (or (and (numberp (nth 1 range)) (nth 1 range))
1570 (setcdr range (cddr range)))
1571 ;; Adjust the first element to be the same as the lower limit.
1572 (when (and (not (atom (car range)))
1573 (< (cdar range) (car active)))
1574 (setcdr (car range) (1- (car active))))
1575 ;; Then we want to peel off any elements that are higher
1576 ;; than the upper active limit.
1577 (let ((srange range))
1578 ;; Go past all valid elements.
1579 (while (and (cdr srange)
1580 (<= (or (and (atom (cadr srange))
1584 (setq srange (cdr srange)))
1586 ;; Nuke all remaining invalid elements.
1587 (setcdr srange nil))
1589 ;; Adjust the final element.
1590 (when (and (not (atom (car srange)))
1591 (> (cdar srange) (cdr active)))
1592 (setcdr (car srange) (cdr active))))
1593 ;; Compute the number of unread articles.
1595 (setq num (+ num (- (1+ (or (and (atom (car range)) (car range))
1597 (or (and (atom (car range)) (car range))
1599 (setq range (cdr range)))
1600 (setq num (max 0 (- (cdr active) num)))))
1601 ;; Set the number of unread articles.
1603 (gnus-gethash (gnus-info-group info) gnus-newsrc-hashtb))
1604 (setcar (gnus-gethash (gnus-info-group info) gnus-newsrc-hashtb) num))
1607 ;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb'
1608 ;; and compute how many unread articles there are in each group.
1609 (defun gnus-get-unread-articles (&optional level)
1610 (setq gnus-server-method-cache nil)
1611 (let* ((newsrc (cdr gnus-newsrc-alist))
1612 (level (or level gnus-activate-level (1+ gnus-level-subscribed)))
1615 (cond ((and gnus-activate-foreign-newsgroups
1616 (not (numberp gnus-activate-foreign-newsgroups)))
1617 (1+ gnus-level-subscribed))
1618 ((numberp gnus-activate-foreign-newsgroups)
1619 gnus-activate-foreign-newsgroups)
1622 scanned-methods info group active method retrieve-groups)
1623 (gnus-message 6 "Checking new news...")
1626 (setq active (gnus-active (setq group (gnus-info-group
1627 (setq info (pop newsrc))))))
1629 ;; Check newsgroups. If the user doesn't want to check them, or
1630 ;; they can't be checked (for instance, if the news server can't
1631 ;; be reached) we just set the number of unread articles in this
1632 ;; newsgroup to t. This means that Gnus thinks that there are
1633 ;; unread articles, but it has no idea how many.
1635 ;; To be more explicit:
1636 ;; >0 for an active group with messages
1637 ;; 0 for an active group with no unread messages
1638 ;; nil for non-foreign groups that the user has requested not be checked
1639 ;; t for unchecked foreign groups or bogus groups, or groups that can't
1640 ;; be checked, for one reason or other.
1641 (if (and (setq method (gnus-info-method info))
1645 (setq method (gnus-server-get-method nil method)))))
1646 (not (gnus-secondary-method-p method)))
1647 ;; These groups are foreign. Check the level.
1648 (when (and (<= (gnus-info-level info) foreign-level)
1649 (setq active (gnus-activate-group group 'scan)))
1650 ;; Let the Gnus agent save the active file.
1651 (when (and gnus-agent active (gnus-online method))
1652 (gnus-agent-save-group-info
1653 method (gnus-group-real-name group) active))
1654 (unless (inline (gnus-virtual-group-p group))
1655 (inline (gnus-close-group group)))
1656 (when (fboundp (intern (concat (symbol-name (car method))
1657 "-request-update-info")))
1658 (inline (gnus-request-update-info info method))))
1659 ;; These groups are native or secondary.
1661 ;; We don't want these groups.
1662 ((> (gnus-info-level info) level)
1663 (setq active 'ignore))
1665 ((not gnus-read-active-file)
1666 (if (gnus-check-backend-function 'retrieve-groups group)
1667 ;; if server support gnus-retrieve-groups we push
1668 ;; the group onto retrievegroups for later checking
1669 (if (assoc method retrieve-groups)
1670 (setcdr (assoc method retrieve-groups)
1671 (cons group (cdr (assoc method retrieve-groups))))
1672 (push (list method group) retrieve-groups))
1673 ;; hack: `nnmail-get-new-mail' changes the mail-source depending
1674 ;; on the group, so we must perform a scan for every group
1675 ;; if the users has any directory mail sources.
1676 ;; hack: if `nnmail-scan-directory-mail-source-once' is non-nil,
1677 ;; for it scan all spool files even when the groups are
1680 (or nnmail-scan-directory-mail-source-once
1681 (null (assq 'directory
1683 (if (listp nnmail-spool-file)
1685 (list nnmail-spool-file))))))
1686 (member method scanned-methods))
1687 (setq active (gnus-activate-group group))
1688 (setq active (gnus-activate-group group 'scan))
1689 (push method scanned-methods))
1691 (gnus-close-group group))))))
1693 ;; Get the number of unread articles in the group.
1695 ((eq active 'ignore)
1696 ;; Don't do anything.
1699 (inline (gnus-get-unread-articles-in-group info active t)))
1701 ;; The group couldn't be reached, so we nix out the number of
1702 ;; unread articles and stuff.
1703 (gnus-set-active group nil)
1704 (let ((tmp (gnus-gethash group gnus-newsrc-hashtb)))
1708 ;; iterate through groups on methods which support gnus-retrieve-groups
1709 ;; and fetch a partial active file and use it to find new news.
1710 (dolist (rg retrieve-groups)
1711 (let ((method (or (car rg) gnus-select-method))
1713 (when (gnus-check-server method)
1714 ;; Request that the backend scan its incoming messages.
1715 (when (gnus-check-backend-function 'request-scan (car method))
1716 (gnus-request-scan nil method))
1717 (gnus-read-active-file-2
1718 (mapcar (lambda (group) (gnus-group-real-name group)) groups)
1720 (dolist (group groups)
1722 ((setq active (gnus-active (gnus-info-group
1723 (setq info (gnus-get-info group)))))
1724 (inline (gnus-get-unread-articles-in-group info active t)))
1726 ;; The group couldn't be reached, so we nix out the number of
1727 ;; unread articles and stuff.
1728 (gnus-set-active group nil)
1729 (setcar (gnus-gethash group gnus-newsrc-hashtb) t)))))))
1731 (gnus-message 6 "Checking new news...done")))
1733 ;; Create a hash table out of the newsrc alist. The `car's of the
1734 ;; alist elements are used as keys.
1735 (defun gnus-make-hashtable-from-newsrc-alist ()
1736 (let ((alist gnus-newsrc-alist)
1737 (ohashtb gnus-newsrc-hashtb)
1739 (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
1741 (setq prev (setq gnus-newsrc-alist
1742 (if (equal (caar gnus-newsrc-alist)
1745 (cons (list "dummy.group" 0 nil) alist)))))
1749 ;; Preserve number of unread articles in groups.
1750 (cons (and ohashtb (car (gnus-gethash (caar alist) ohashtb)))
1754 alist (cdr alist)))))
1756 (defun gnus-make-hashtable-from-killed ()
1757 "Create a hash table from the killed and zombie lists."
1758 (let ((lists '(gnus-killed-list gnus-zombie-list))
1760 (setq gnus-killed-hashtb
1761 (gnus-make-hashtable
1762 (+ (length gnus-killed-list) (length gnus-zombie-list))))
1764 (setq list (symbol-value (pop lists)))
1766 (gnus-sethash (car list) (pop list) gnus-killed-hashtb)))))
1768 (defun gnus-parse-active ()
1769 "Parse active info in the nntp server buffer."
1771 (set-buffer nntp-server-buffer)
1772 (goto-char (point-min))
1773 ;; Parse the result we got from `gnus-request-group'.
1774 (when (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
1775 (goto-char (match-beginning 1))
1776 (cons (read (current-buffer))
1777 (read (current-buffer))))))
1779 (defun gnus-make-articles-unread (group articles)
1780 "Mark ARTICLES in GROUP as unread."
1781 (let* ((info (nth 2 (or (gnus-gethash group gnus-newsrc-hashtb)
1782 (gnus-gethash (gnus-group-real-name group)
1783 gnus-newsrc-hashtb))))
1784 (ranges (gnus-info-read info))
1787 (when (gnus-member-of-range
1788 (setq article (pop articles)) ranges)
1789 (push article news)))
1791 ;; Enter this list into the group info.
1793 info (gnus-remove-from-range (gnus-info-read info) (nreverse news)))
1795 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1796 (gnus-get-unread-articles-in-group info (gnus-active group))
1798 ;; Insert the change into the group buffer and the dribble file.
1799 (gnus-group-update-group group t))))
1801 (defun gnus-make-ascending-articles-unread (group articles)
1802 "Mark ascending ARTICLES in GROUP as unread."
1803 (let* ((entry (or (gnus-gethash group gnus-newsrc-hashtb)
1804 (gnus-gethash (gnus-group-real-name group)
1805 gnus-newsrc-hashtb)))
1806 (info (nth 2 entry))
1807 (ranges (gnus-info-read info))
1812 (let ((article (pop articles))) ; get the next article to remove from ranges
1813 (while (let ((range (car ranges))) ; note the current range
1814 (if (atom range) ; single value range
1816 ;; the articles extend past the end of the ranges
1818 (setq articles nil))
1820 ;; this range preceeds the article. Leave the range unmodified.
1824 ;; this range exactly matches the article; REMOVE THE RANGE.
1825 ;; NOTE: When the range being removed is the last range, the list is corrupted by inserting null at its end.
1826 (setcar ranges (cadr ranges))
1827 (setcdr ranges (cddr ranges))
1828 (setq modified (if (car ranges) t 'remove-null))
1830 (let ((min (car range))
1832 ;; I have a min/max range to consider
1833 (cond ((> min max) ; invalid range introduced by splitter
1834 (setcar ranges (cadr ranges))
1835 (setcdr ranges (cddr ranges))
1836 (setq modified (if (car ranges) t 'remove-null))
1839 ;; replace min/max range with a single-value range
1843 ;; this range preceeds the article. Leave the range unmodified.
1847 ;; this article preceeds the range. Return null to move to the
1851 ;; this article splits the range into two parts
1852 (setcdr ranges (cons (cons (1+ article) max) (cdr ranges)))
1853 (setcdr range (1- article))
1858 (when (eq modified 'remove-null)
1859 (setq r (delq nil r)))
1860 ;; Enter this list into the group info.
1861 (gnus-info-set-read info r)
1863 ;; Set the number of unread articles in gnus-newsrc-hashtb.
1864 (gnus-get-unread-articles-in-group info (gnus-active group))
1866 ;; Insert the change into the group buffer and the dribble file.
1867 (gnus-group-update-group group t))))
1869 ;; Enter all dead groups into the hashtb.
1870 (defun gnus-update-active-hashtb-from-killed ()
1871 (let ((hashtb (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
1872 (lists (list gnus-killed-list gnus-zombie-list))
1875 (setq killed (car lists))
1877 (gnus-sethash (car killed) nil hashtb)
1878 (setq killed (cdr killed)))
1879 (setq lists (cdr lists)))))
1881 (defun gnus-get-killed-groups ()
1882 "Go through the active hashtb and mark all unknown groups as killed."
1883 ;; First make sure active file has been read.
1884 (unless (gnus-read-active-file-p)
1885 (let ((gnus-read-active-file t))
1886 (gnus-read-active-file)))
1887 (unless gnus-killed-hashtb
1888 (gnus-make-hashtable-from-killed))
1889 ;; Go through all newsgroups that are known to Gnus - enlarge kill list.
1893 (group (symbol-name sym)))
1894 (if (or (null group)
1895 (gnus-gethash group gnus-killed-hashtb)
1896 (gnus-gethash group gnus-newsrc-hashtb))
1898 (let ((do-sub (gnus-matches-options-n group)))
1899 (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore))
1901 (setq groups (1+ groups))
1902 (push group gnus-killed-list)
1903 (gnus-sethash group group gnus-killed-hashtb))))))
1905 (gnus-dribble-touch))
1907 ;; Get the active file(s) from the backend(s).
1908 (defun gnus-read-active-file (&optional force not-native)
1909 (gnus-group-set-mode-line)
1912 (lambda (m) (if (stringp m) (gnus-server-get-method nil m) m))
1914 (if (and (not not-native)
1915 (gnus-check-server gnus-select-method))
1916 ;; The native server is available.
1917 (cons gnus-select-method gnus-secondary-select-methods)
1918 ;; The native server is down, so we just do the
1920 gnus-secondary-select-methods)
1921 ;; Also read from the archive server.
1922 (when (gnus-archive-server-wanted-p)
1923 (list "archive")))))
1925 (setq gnus-have-read-active-file nil)
1927 (set-buffer nntp-server-buffer)
1928 (while (setq method (pop methods))
1929 ;; Only do each method once, in case the methods appear more
1930 ;; than once in this list.
1931 (unless (member method methods)
1932 (if (or debug-on-error debug-on-quit)
1933 (gnus-read-active-file-1 method force)
1935 (gnus-read-active-file-1 method force)
1936 ;; We catch C-g so that we can continue past servers
1937 ;; that do not respond.
1939 (message "Quit reading the active file")
1942 (defun gnus-read-active-file-1 (method force)
1944 (setq where (nth 1 method)
1945 mesg (format "Reading active file%s via %s..."
1946 (if (and where (not (zerop (length where))))
1947 (concat " from " where) "")
1949 (gnus-message 5 mesg)
1950 (when (gnus-check-server method)
1951 ;; Request that the backend scan its incoming messages.
1952 (when (gnus-check-backend-function 'request-scan (car method))
1953 (gnus-request-scan nil method))
1955 ((and (eq gnus-read-active-file 'some)
1956 (gnus-check-backend-function 'retrieve-groups (car method))
1958 (let ((newsrc (cdr gnus-newsrc-alist))
1959 (gmethod (gnus-server-get-method nil method))
1961 (while (setq info (pop newsrc))
1965 (gnus-find-method-for-group
1966 (gnus-info-group info) info))
1968 (push (gnus-group-real-name (gnus-info-group info))
1970 (gnus-read-active-file-2 groups method)))
1974 (if (not (gnus-request-list method))
1975 (unless (equal method gnus-message-archive-method)
1976 (gnus-error 1 "Cannot read active file from %s server"
1978 (gnus-message 5 mesg)
1979 (gnus-active-to-gnus-format method gnus-active-hashtb nil t)
1980 ;; We mark this active file as read.
1981 (push method gnus-have-read-active-file)
1982 (gnus-message 5 "%sdone" mesg)))))))
1984 (defun gnus-read-active-file-2 (groups method)
1985 "Read an active file for GROUPS in METHOD using gnus-retrieve-groups."
1988 (set-buffer nntp-server-buffer)
1989 (gnus-check-server method)
1990 (let ((list-type (gnus-retrieve-groups groups method)))
1991 (cond ((not list-type)
1993 1.2 "Cannot read partial active file from %s server."
1995 ((eq list-type 'active)
1996 (gnus-active-to-gnus-format method gnus-active-hashtb nil t))
1998 (gnus-groups-to-gnus-format method gnus-active-hashtb t)))))))
2000 ;; Read an active file and place the results in `gnus-active-hashtb'.
2001 (defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors
2004 (setq method gnus-select-method))
2005 (let ((cur (current-buffer))
2007 (if (and gnus-active-hashtb
2008 (not (equal method gnus-select-method)))
2010 (setq gnus-active-hashtb
2011 (if (equal method gnus-select-method)
2012 (gnus-make-hashtable
2013 (count-lines (point-min) (point-max)))
2014 (gnus-make-hashtable 4096)))))))
2015 ;; Delete unnecessary lines.
2016 (goto-char (point-min))
2018 ((string= gnus-ignored-newsgroups "")
2019 (delete-matching-lines "^to\\."))
2021 (delete-matching-lines (concat "^to\\.\\|" gnus-ignored-newsgroups))))
2023 (goto-char (point-min))
2024 (unless (re-search-forward "[\\\"]" nil t)
2025 ;; Make the group names readable as a lisp expression even if they
2026 ;; contain special characters.
2027 (goto-char (point-max))
2028 (while (re-search-backward "[][';?()#]" nil t)
2031 ;; Let the Gnus agent save the active file.
2032 (when (and gnus-agent real-active (gnus-online method))
2033 (gnus-agent-save-active method))
2035 ;; If these are groups from a foreign select method, we insert the
2036 ;; group prefix in front of the group names.
2037 (when (not (gnus-server-equal
2038 (gnus-server-get-method nil method)
2039 (gnus-server-get-method nil gnus-select-method)))
2040 (let ((prefix (gnus-group-prefixed-name "" method)))
2041 (goto-char (point-min))
2042 (while (and (not (eobp))
2044 (when (= (following-char) ?\")
2047 (zerop (forward-line 1)))))))
2048 ;; Store the active file in a hash table.
2049 (goto-char (point-min))
2050 (let (group max min)
2054 (narrow-to-region (point) (gnus-point-at-eol))
2055 ;; group gets set to a symbol interned in the hash table
2056 ;; (what a hack!!) - jwz
2057 (setq group (let ((obarray hashtb)) (read cur)))
2058 ;; ### The extended group name scheme makes
2059 ;; the previous optimization strategy sort of pointless...
2060 (when (stringp group)
2061 (setq group (intern group hashtb)))
2062 (if (and (numberp (setq max (read cur)))
2063 (numberp (setq min (read cur)))
2065 (skip-chars-forward " \t")
2067 (or (eq (char-after) ?=)
2068 (eq (char-after) ?x)
2069 (eq (char-after) ?j)))))
2071 (set group (cons min max))
2072 ;; if group is moderated, stick in moderation table
2073 (when (eq (char-after) ?m)
2074 (unless gnus-moderated-hashtb
2075 (setq gnus-moderated-hashtb (gnus-make-hashtable)))
2076 (gnus-sethash (symbol-name group) t
2077 gnus-moderated-hashtb)))
2083 (unless ignore-errors
2084 (gnus-message 3 "Warning - invalid active: %s"
2086 (gnus-point-at-bol) (gnus-point-at-eol))))))
2088 (forward-line 1)))))
2090 (defun gnus-groups-to-gnus-format (method &optional hashtb real-active)
2091 ;; Parse a "groups" active file.
2092 (let ((cur (current-buffer))
2094 (if (and method gnus-active-hashtb)
2096 (setq gnus-active-hashtb
2097 (gnus-make-hashtable
2098 (count-lines (point-min) (point-max)))))))
2100 (not (gnus-server-equal
2101 (gnus-server-get-method nil method)
2102 (gnus-server-get-method nil gnus-select-method)))
2103 (gnus-group-prefixed-name "" method))))
2105 ;; Let the Gnus agent save the active file.
2108 (gnus-online method)
2109 (gnus-agent-method-p method))
2111 (gnus-agent-save-groups method)
2112 (gnus-active-to-gnus-format method hashtb nil real-active))
2114 (goto-char (point-min))
2115 ;; We split this into to separate loops, one with the prefix
2116 ;; and one without to speed the reading up somewhat.
2118 (let (min max opoint group)
2122 (read cur) (read cur)
2123 (setq min (read cur)
2126 (skip-chars-forward " \t")
2129 (set (let ((obarray hashtb)) (read cur))
2131 (error (and group (symbolp group) (set group nil))))
2133 (let (min max group)
2136 (when (eq (char-after) ?2)
2137 (read cur) (read cur)
2138 (setq min (read cur)
2140 (set (setq group (let ((obarray hashtb)) (read cur)))
2142 (error (and group (symbolp group) (set group nil))))
2143 (forward-line 1)))))))
2145 (defun gnus-read-newsrc-file (&optional force)
2147 If FORCE is non-nil, the .newsrc file is read."
2148 ;; Reset variables that might be defined in the .newsrc.eld file.
2149 (gnus-clear-quick-file-variables)
2150 (let* ((newsrc-file gnus-current-startup-file)
2151 (quick-file (concat newsrc-file ".el")))
2153 ;; We always load the .newsrc.eld file. If always contains
2154 ;; much information that can not be gotten from the .newsrc
2155 ;; file (ticked articles, killed groups, foreign methods, etc.)
2156 (gnus-read-newsrc-el-file quick-file)
2158 (when (and gnus-read-newsrc-file
2159 (file-exists-p gnus-current-startup-file)
2161 (and (file-newer-than-file-p newsrc-file quick-file)
2162 (file-newer-than-file-p newsrc-file
2163 (concat quick-file "d")))
2164 (not gnus-newsrc-alist)))
2165 ;; We read the .newsrc file. Note that if there if a
2166 ;; .newsrc.eld file exists, it has already been read, and
2167 ;; the `gnus-newsrc-hashtb' has been created. While reading
2168 ;; the .newsrc file, Gnus will only use the information it
2169 ;; can find there for changing the data already read -
2170 ;; i. e., reading the .newsrc file will not trash the data
2171 ;; already read (except for read articles).
2173 (gnus-message 5 "Reading %s..." newsrc-file)
2174 (set-buffer (nnheader-find-file-noselect newsrc-file))
2175 (buffer-disable-undo)
2176 (gnus-newsrc-to-gnus-format)
2177 (kill-buffer (current-buffer))
2178 (gnus-message 5 "Reading %s...done" newsrc-file))))))
2180 (defun gnus-load (file &optional coding-system)
2181 "Load FILE, but in such a way that read errors can be reported."
2184 (insert-file-contents-as-coding-system coding-system file)
2185 (insert-file-contents file))
2187 (condition-case type
2188 (let ((form (read (current-buffer))))
2191 (unless (eq (car type) 'end-of-file)
2192 (let ((error (format "Error in %s line %d" file
2193 (count-lines (point-min) (point)))))
2195 (unless (gnus-yes-or-no-p (concat error "; continue? "))
2196 (error "%s" error)))))))))
2198 (defun gnus-read-newsrc-el-file (file)
2199 (let ((ding-file (concat file "d")))
2200 (when (file-exists-p ding-file)
2201 ;; We always, always read the .eld file.
2202 (gnus-message 5 "Reading %s..." ding-file)
2203 (let (gnus-newsrc-assoc)
2204 (gnus-load ding-file gnus-ding-file-coding-system)
2205 ;; ;; Older versions of `gnus-format-specs' are no longer valid
2206 ;; ;; in Oort Gnus 0.01.
2208 ;; (and gnus-newsrc-file-version
2209 ;; (gnus-continuum-version gnus-newsrc-file-version))))
2210 ;; (when (or (not version)
2211 ;; (< version 5.090009))
2212 ;; (setq gnus-format-specs gnus-default-format-specs)))
2213 (when gnus-newsrc-assoc
2214 (setq gnus-newsrc-alist gnus-newsrc-assoc))))
2215 (gnus-make-hashtable-from-newsrc-alist)
2216 (when (file-newer-than-file-p file ding-file)
2217 ;; Old format quick file
2218 (gnus-message 5 "Reading %s..." file)
2219 ;; The .el file is newer than the .eld file, so we read that one
2221 (gnus-read-old-newsrc-el-file file)))
2222 (when (and gnus-product-directory
2223 (file-directory-p gnus-product-directory))
2224 (let ((list gnus-product-variable-file-list))
2226 (apply 'gnus-product-read-variable-file-1 (car list))
2227 (setq list (cdr list)))))
2228 (gnus-run-hooks 'gnus-read-newsrc-el-hook))
2230 ;;(defun gnus-re-read-newsrc-el-file (file)
2231 ;; "Attempt to re-read .newsrc.eld file. Returns nil if successful.
2232 ;;The backup file \".newsrc.eld_\" will be created before re-reading."
2233 ;; (message "Error in %s; retrying..." file)
2235 ;; (condition-case nil
2236 ;; (let ((backup (concat file "_")))
2237 ;; (copy-file file backup 'ok-if-already-exists 'keep-time)
2238 ;; (message " (The backup file %s has been created)" backup)
2242 ;; (insert-file-contents-as-binary file nil nil nil 'replace)
2243 ;; (goto-char (point-min))
2244 ;; (when (re-search-forward
2245 ;; "^[\t ]*([\t\n\r ]*setq[\t\n\r ]+gnus-format-specs" nil t)
2246 ;; (delete-region (goto-char (match-beginning 0)) (forward-list 1))
2247 ;; (decode-coding-region (point-min) (point-max)
2248 ;; gnus-ding-file-coding-system)
2249 ;; (condition-case nil
2251 ;; (eval-region (point-min) (point-max))
2256 ;; (message "Error in %s; retrying...done" file))
2257 ;; (message "Error in %s; retrying...failed" file)
2260 (defun gnus-product-read-variable-file-1 (file checking-methods coding
2262 (let (error gnus-product-file-version method file-ver)
2263 (when (or (condition-case err
2264 (let ((coding-system-for-read coding)
2265 (input-coding-system coding))
2266 (load (expand-file-name file gnus-product-directory)
2270 (message "Error while reading %s: %s"
2271 (expand-file-name file gnus-product-directory)
2272 (error-message-string err))
2274 (and (setq method (assq 'product-version checking-methods))
2275 (not (and (setq file-ver
2276 (cdr (assq 'product-version
2277 gnus-product-file-version)))
2278 (zerop (product-version-compare file-ver
2280 (and (assq 'emacs-version checking-methods)
2281 (not (and (assq 'emacs-version gnus-product-file-version)
2284 (cdr (assq 'emacs-version
2285 gnus-product-file-version))))))
2286 (and (assq 'correct-string-widths checking-methods)
2287 (not (and (assq 'correct-string-widths
2288 gnus-product-file-version)
2289 (eq (and gnus-use-correct-string-widths t)
2290 (and (cdr (assq 'correct-string-widths
2291 gnus-product-file-version))
2294 (message "\"%s\" seems to have mismatched contents, updating..."
2297 (set (car variables) nil)
2298 (gnus-product-variable-touch (car variables))
2299 (setq variables (cdr variables))))))
2301 ;; Parse the old-style quick startup file
2302 (defun gnus-read-old-newsrc-el-file (file)
2303 (let (newsrc killed marked group m info)
2305 (let ((gnus-killed-assoc nil)
2306 gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc)
2310 (setq newsrc gnus-newsrc-assoc
2311 killed gnus-killed-assoc
2312 marked gnus-marked-assoc)))
2313 (setq gnus-newsrc-alist nil)
2314 (while (setq group (pop newsrc))
2315 (if (setq info (gnus-get-info (car group)))
2317 (gnus-info-set-read info (cddr group))
2318 (gnus-info-set-level
2319 info (if (nth 1 group) gnus-level-default-subscribed
2320 gnus-level-default-unsubscribed))
2321 (push info gnus-newsrc-alist))
2324 (if (nth 1 group) gnus-level-default-subscribed
2325 gnus-level-default-unsubscribed)
2328 ;; Copy marks into info.
2329 (when (setq m (assoc (car group) marked))
2330 (unless (nthcdr 3 info)
2331 (nconc info (list nil)))
2332 (gnus-info-set-marks
2333 info (list (cons 'tick (gnus-compress-sequence
2334 (sort (cdr m) '<) t))))))
2335 (setq newsrc killed)
2337 (setcar newsrc (caar newsrc))
2338 (setq newsrc (cdr newsrc)))
2339 (setq gnus-killed-list killed))
2340 ;; The .el file version of this variable does not begin with
2341 ;; "options", while the .eld version does, so we just add it if it
2345 (when (not (string-match "^ *options" gnus-newsrc-options))
2346 (setq gnus-newsrc-options (concat "options " gnus-newsrc-options)))
2347 (when (not (string-match "\n$" gnus-newsrc-options))
2348 (setq gnus-newsrc-options (concat gnus-newsrc-options "\n")))
2349 ;; Finally, if we read some options lines, we parse them.
2350 (unless (string= gnus-newsrc-options "")
2351 (gnus-newsrc-parse-options gnus-newsrc-options)))
2353 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))
2354 (gnus-make-hashtable-from-newsrc-alist)))
2356 (defun gnus-make-newsrc-file (file)
2357 "Make server dependent file name by catenating FILE and server host name."
2358 (let* ((file (expand-file-name file nil))
2359 (real-file (concat file "-" (nth 1 gnus-select-method))))
2360 (if (or (file-exists-p real-file)
2361 (file-exists-p (concat real-file ".el"))
2362 (file-exists-p (concat real-file ".eld")))
2366 (defun gnus-newsrc-to-gnus-format ()
2367 (setq gnus-newsrc-options "")
2368 (setq gnus-newsrc-options-n nil)
2370 (unless gnus-active-hashtb
2371 (setq gnus-active-hashtb (gnus-make-hashtable 4096)))
2372 (let ((buf (current-buffer))
2373 (already-read (> (length gnus-newsrc-alist) 1))
2374 group subscribed options-symbol newsrc Options-symbol
2376 (goto-char (point-min))
2377 ;; We intern the symbol `options' in the active hashtb so that we
2378 ;; can `eq' against it later.
2379 (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil)
2380 (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil)
2383 ;; We first read the first word on the line by narrowing and
2384 ;; then reading into `gnus-active-hashtb'. Most groups will
2385 ;; already exist in that hashtb, so this will save some string
2389 (progn (skip-chars-forward "^ \t!:\n") (point)))
2390 (goto-char (point-min))
2392 (and (/= (point-min) (point-max))
2393 (let ((obarray gnus-active-hashtb)) (read buf))))
2395 ;; Now, the symbol we have read is either `options' or a group
2396 ;; name. If it is an options line, we just add it to a string.
2398 ((or (eq symbol options-symbol)
2399 (eq symbol Options-symbol))
2400 (setq gnus-newsrc-options
2401 ;; This concating is quite inefficient, but since our
2402 ;; thorough studies show that approx 99.37% of all
2403 ;; .newsrc files only contain a single options line, we
2404 ;; don't give a damn, frankly, my dear.
2405 (concat gnus-newsrc-options
2408 ;; Options may continue on the next line.
2409 (or (and (re-search-forward "^[^ \t]" nil 'move)
2410 (progn (beginning-of-line) (point)))
2414 ;; Group names can be just numbers.
2415 (when (numberp symbol)
2416 (setq symbol (intern (int-to-string symbol) gnus-active-hashtb)))
2417 (unless (boundp symbol)
2419 ;; It was a group name.
2420 (setq subscribed (eq (char-after) ?:)
2421 group (symbol-name symbol)
2424 ;; If the line ends here, this is clearly a buggy line, so
2425 ;; we put point a the beginning of line and let the cond
2426 ;; below do the error handling.
2428 ;; We skip to the beginning of the ranges.
2429 (skip-chars-forward "!: \t"))
2430 ;; We are now at the beginning of the list of read articles.
2431 ;; We read them range by range.
2434 ((looking-at "[0-9]+")
2435 ;; We narrow and read a number instead of buffer-substring/
2436 ;; string-to-int because it's faster. narrow/widen is
2437 ;; faster than save-restriction/narrow, and save-restriction
2438 ;; produces a garbage object.
2440 (narrow-to-region (match-beginning 0) (match-end 0))
2443 ;; If the next character is a dash, then this is a range.
2444 (if (eq (char-after) ?-)
2446 ;; We read the upper bound of the range.
2448 (if (not (looking-at "[0-9]+"))
2449 ;; This is a buggy line, by we pretend that
2450 ;; it's kinda OK. Perhaps the user should be
2456 (narrow-to-region (match-beginning 0)
2461 ;; It was just a simple number, so we add it to the
2464 ;; If the next char in ?\n, then we have reached the end
2465 ;; of the line and return nil.
2466 (not (eq (char-after) ?\n)))
2467 ((eq (char-after) ?\n)
2468 ;; End of line, so we end.
2471 ;; Not numbers and not eol, so this might be a buggy
2474 ;; If it was eob instead of ?\n, we allow it.
2475 ;; The line was buggy.
2477 (gnus-error 3.1 "Mangled line: %s"
2478 (buffer-substring (gnus-point-at-bol)
2479 (gnus-point-at-eol))))
2481 ;; Skip past ", ". Spaces are invalid in these ranges, but
2482 ;; we allow them, because it's a common mistake to put a
2483 ;; space after the comma.
2484 (skip-chars-forward ", "))
2486 ;; We have already read .newsrc.eld, so we gently update the
2487 ;; data in the hash table with the information we have just
2490 (let ((info (gnus-get-info group))
2493 ;; There is an entry for this file in the alist.
2495 (gnus-info-set-read info (nreverse reads))
2496 ;; We update the level very gently. In fact, we
2497 ;; only change it if there's been a status change
2498 ;; from subscribed to unsubscribed, or vice versa.
2499 (setq level (gnus-info-level info))
2500 (cond ((and (<= level gnus-level-subscribed)
2502 (setq level (if reads
2503 gnus-level-default-unsubscribed
2504 (1+ gnus-level-default-unsubscribed))))
2505 ((and (> level gnus-level-subscribed) subscribed)
2506 (setq level gnus-level-default-subscribed)))
2507 (gnus-info-set-level info level))
2508 ;; This is a new group.
2509 (setq info (list group
2511 gnus-level-default-subscribed
2513 (1+ gnus-level-subscribed)
2514 gnus-level-default-unsubscribed))
2516 (push info newsrc)))))
2519 (setq newsrc (nreverse newsrc))
2521 (if (not already-read)
2523 ;; We now have two newsrc lists - `newsrc', which is what we
2524 ;; have read from .newsrc, and `gnus-newsrc-alist', which is
2525 ;; what we've read from .newsrc.eld. We have to merge these
2526 ;; lists. We do this by "attaching" any (foreign) groups in the
2527 ;; gnus-newsrc-alist to the (native) group that precedes them.
2528 (let ((rc (cdr gnus-newsrc-alist))
2529 (prev gnus-newsrc-alist)
2532 (or (null (nth 4 (car rc))) ; It's a native group.
2533 (assoc (caar rc) newsrc) ; It's already in the alist.
2534 (if (setq entry (assoc (caar prev) newsrc))
2535 (setcdr (setq mentry (memq entry newsrc))
2536 (cons (car rc) (cdr mentry)))
2537 (push (car rc) newsrc)))
2541 (setq gnus-newsrc-alist newsrc)
2542 ;; We make the newsrc hashtb.
2543 (gnus-make-hashtable-from-newsrc-alist)
2545 ;; Finally, if we read some options lines, we parse them.
2546 (unless (string= gnus-newsrc-options "")
2547 (gnus-newsrc-parse-options gnus-newsrc-options))))
2549 ;; Parse options lines to find "options -n !all rec.all" and stuff.
2550 ;; The return value will be a list on the form
2551 ;; ((regexp1 . ignore)
2552 ;; (regexp2 . subscribe)...)
2553 ;; When handling new newsgroups, groups that match a `ignore' regexp
2554 ;; will be ignored, and groups that match a `subscribe' regexp will be
2555 ;; subscribed. A line like
2556 ;; options -n !all rec.all
2557 ;; will lead to a list that looks like
2558 ;; (("^rec\\..+" . subscribe)
2559 ;; ("^.+" . ignore))
2560 ;; So all "rec.*" groups will be subscribed, while all the other
2561 ;; groups will be ignored. Note that "options -n !all rec.all" is very
2562 ;; different from "options -n rec.all !all".
2563 (defun gnus-newsrc-parse-options (options)
2566 (gnus-set-work-buffer)
2567 (insert (regexp-quote options))
2568 ;; First we treat all continuation lines.
2569 (goto-char (point-min))
2570 (while (re-search-forward "\n[ \t]+" nil t)
2571 (replace-match " " t t))
2572 ;; Then we transform all "all"s into ".+"s.
2573 (goto-char (point-min))
2574 (while (re-search-forward "\\ball\\b" nil t)
2575 (replace-match ".+" t t))
2576 (goto-char (point-min))
2577 ;; We remove all other options than the "-n" ones.
2578 (while (re-search-forward "[ \t]-[^n][^-]*" nil t)
2581 (goto-char (point-min))
2583 ;; We are only interested in "options -n" lines - we
2584 ;; ignore the other option lines.
2585 (while (re-search-forward "[ \t]-n" nil t)
2588 (and (re-search-forward "[ \t]-n" (gnus-point-at-eol) t)
2590 (gnus-point-at-eol)))
2591 ;; Search for all "words"...
2592 (while (re-search-forward "[^ \t,\n]+" eol t)
2593 (if (eq (char-after (match-beginning 0)) ?!)
2594 ;; If the word begins with a bang (!), this is a "not"
2595 ;; spec. We put this spec (minus the bang) and the
2596 ;; symbol `ignore' into the list.
2598 "^" (buffer-substring
2599 (1+ (match-beginning 0))
2604 ;; There was no bang, so this is a "yes" spec.
2605 (push (cons (concat "^" (match-string 0) "\\($\\|\\.\\)")
2609 (setq gnus-newsrc-options-n out))))
2612 (defalias 'gnus-long-file-names
2613 (if (fboundp 'msdos-long-file-names)
2614 'msdos-long-file-names
2617 (defun gnus-save-newsrc-file (&optional force)
2618 "Save .newsrc file."
2619 ;; Note: We cannot save .newsrc file if all newsgroups are removed
2620 ;; from the variable gnus-newsrc-alist.
2621 (when (and (or gnus-newsrc-alist gnus-killed-list)
2622 gnus-current-startup-file)
2624 (if (and (or gnus-use-dribble-file gnus-slave)
2626 (or (not gnus-dribble-buffer)
2627 (not (buffer-name gnus-dribble-buffer))
2628 (zerop (save-excursion
2629 (set-buffer gnus-dribble-buffer)
2631 (gnus-message 4 "(No changes need to be saved)")
2632 (gnus-run-hooks 'gnus-save-newsrc-hook)
2634 (gnus-slave-save-newsrc)
2636 (when gnus-save-newsrc-file
2637 (gnus-message 8 "Saving %s..." gnus-current-startup-file)
2638 (gnus-gnus-to-newsrc-format)
2639 (gnus-message 8 "Saving %s...done" gnus-current-startup-file))
2640 ;; Save .newsrc.eld.
2641 (set-buffer (gnus-get-buffer-create " *Gnus-newsrc*"))
2642 (make-local-variable 'version-control)
2643 (setq version-control gnus-backup-startup-file)
2644 (setq buffer-file-name
2645 (concat gnus-current-startup-file ".eld"))
2646 (setq default-directory (file-name-directory buffer-file-name))
2647 (buffer-disable-undo)
2649 (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
2651 (if gnus-save-startup-file-via-temp-buffer
2652 (let ((coding-system-for-write gnus-ding-file-coding-system)
2653 (output-coding-system gnus-ding-file-coding-system)
2654 (standard-output (current-buffer)))
2655 (gnus-gnus-to-quick-newsrc-format)
2656 (gnus-run-hooks 'gnus-save-quick-newsrc-hook)
2658 (let ((coding-system-for-write gnus-ding-file-coding-system)
2659 (output-coding-system gnus-ding-file-coding-system)
2660 (version-control gnus-backup-startup-file)
2661 (startup-file (concat gnus-current-startup-file ".eld"))
2662 (working-dir (file-name-directory gnus-current-startup-file))
2665 ;; Generate the name of a non-existent file.
2666 (while (progn (setq working-file
2668 (if (and (eq system-type 'ms-dos)
2669 (not (gnus-long-file-names)))
2670 "%s#%d.tm#" ; MSDOS limits files to 8+3
2671 (if (memq system-type '(vax-vms axp-vms))
2674 working-dir (setq i (1+ i))))
2675 (file-exists-p working-file)))
2679 (gnus-with-output-to-file working-file
2680 (gnus-gnus-to-quick-newsrc-format)
2681 (gnus-run-hooks 'gnus-save-quick-newsrc-hook))
2683 ;; These bindings will mislead the current buffer
2684 ;; into thinking that it is visiting the startup
2686 (let ((buffer-backed-up nil)
2687 (buffer-file-name startup-file)
2688 (file-precious-flag t)
2689 (setmodes (file-modes startup-file)))
2690 ;; Backup the current version of the startup file.
2693 ;; Replace the existing startup file with the temp file.
2694 (rename-file working-file startup-file t)
2695 (set-file-modes startup-file setmodes)))
2697 (delete-file working-file)
2698 (file-error nil)))))
2700 (gnus-kill-buffer (current-buffer))
2702 5 "Saving %s.eld...done" gnus-current-startup-file))
2703 (gnus-dribble-delete-file)
2704 (gnus-group-set-mode-line))))
2705 (when gnus-product-directory
2706 (gnus-product-save-variable-file)))
2708 ;; Call the function above at C-x C-c.
2709 (defadvice save-buffers-kill-emacs (before save-gnus-newsrc-file-maybe
2710 activate preactivate)
2711 "Save .newsrc and .newsrc.eld when Emacs is killed."
2712 (when (gnus-alive-p)
2713 (gnus-run-hooks 'gnus-exit-gnus-hook)
2714 (gnus-offer-save-summaries)
2715 (gnus-save-newsrc-file)))
2717 (defun gnus-gnus-to-quick-newsrc-format (&optional minimal name &rest specific-variables)
2718 "Print Gnus variables such as gnus-newsrc-alist in lisp format."
2719 (princ ";; -*- emacs-lisp -*-\n")
2721 (princ (format ";; %s\n" name))
2722 (princ ";; Gnus startup file.\n"))
2726 ;; Never delete this file -- if you want to force Gnus to read the
2727 ;; .newsrc file (if you have one), touch .newsrc instead.\n")
2728 (princ "(setq gnus-newsrc-file-version ")
2729 (princ (gnus-prin1-to-string gnus-version))
2732 (let* ((print-quoted t)
2734 (print-escape-multibyte nil)
2735 (print-escape-nonascii t)
2738 (print-escape-newlines t)
2740 (if (and gnus-save-killed-list
2741 (stringp gnus-save-killed-list))
2742 (gnus-strip-killed-list)
2745 (or specific-variables
2746 (if gnus-save-killed-list gnus-variable-list
2747 ;; Remove the `gnus-killed-list' from the list of variables
2748 ;; to be saved, if required.
2749 (delq 'gnus-killed-list (copy-sequence gnus-variable-list)))))
2750 ;; Peel off the "dummy" group.
2751 (gnus-newsrc-alist (cdr gnus-newsrc-alist))
2753 ;; Insert the variables into the file.
2755 (when (and (boundp (setq variable (pop variables)))
2756 (symbol-value variable))
2758 (princ (symbol-name variable))
2760 (prin1 (symbol-value variable))
2763 (defun gnus-product-variable-touch (&rest variables)
2765 (put (pop variables) 'gnus-product-variable 'dirty)))
2767 (defun gnus-product-variables-dirty-p (variables)
2770 (when (eq (get (car variables) 'gnus-product-variable) 'dirty)
2772 (setq variables (cdr variables)))))
2774 (defun gnus-product-save-variable-file (&optional force)
2775 "Save all product variables to files, when need to be saved."
2776 (let ((list gnus-product-variable-file-list))
2777 (gnus-make-directory gnus-product-directory)
2779 (apply 'gnus-product-save-variable-file-1 force (car list))
2780 (setq list (cdr list)))))
2782 (defun gnus-product-save-variable-file-1 (force file checking-methods coding
2784 "Save a product variable file, when need to be saved."
2786 (gnus-product-variables-dirty-p variables))
2787 (let ((product (product-find 'gnus-vers)))
2788 (set-buffer (gnus-get-buffer-create " *gnus-product*"))
2789 (make-local-variable 'version-control)
2790 (setq version-control 'never)
2791 (setq file (expand-file-name file gnus-product-directory)
2792 buffer-file-name file
2793 default-directory (file-name-directory file))
2794 (buffer-disable-undo)
2796 (gnus-message 5 "Saving %s..." file)
2797 (apply 'gnus-product-quick-file-format product checking-methods coding
2799 (save-buffer-as-coding-system coding)
2800 (kill-buffer (current-buffer))
2802 (put (car variables) 'gnus-product-variable nil)
2803 (setq variables (cdr variables)))
2805 5 "Saving %s...done" file))))
2807 (defun gnus-product-quick-file-format (product checking-methods
2808 coding &rest variables)
2809 "Insert gnus product depend variables in lisp format."
2810 (let ((print-quoted t)
2811 (print-escape-newlines t)
2812 print-length print-level variable param)
2813 (insert (format ";; -*- Mode: emacs-lisp; coding: %s -*-\n" coding))
2814 (insert (format ";; %s startup file.\n" (product-name product)))
2815 (when (setq param (cdr (assq 'product-version checking-methods)))
2816 (insert "(or (>= (product-version-compare "
2817 "(product-version (product-find 'gnus-vers))\n"
2818 "\t\t\t\t '" (apply 'prin1-to-string param) ")\n"
2820 " (error \"This file was created by later version of "
2822 (insert "(setq gnus-product-file-version\n"
2823 " '((product-version . "
2824 (prin1-to-string (product-version product)) ")\n"
2825 "\t(emacs-version . "
2826 (prin1-to-string emacs-version) ")\n"
2827 "\t(correct-string-widths . "
2828 (if gnus-use-correct-string-widths "t" "nil")
2831 (when (and (boundp (setq variable (pop variables)))
2832 (symbol-value variable))
2833 (insert "(setq " (symbol-name variable) " '")
2834 (gnus-prin1 (symbol-value variable))
2837 (defun gnus-strip-killed-list ()
2838 "Return the killed list minus the groups that match `gnus-save-killed-list'."
2839 (let ((list gnus-killed-list)
2842 (when (string-match gnus-save-killed-list (car list))
2843 (push (car list) olist))
2847 (defun gnus-gnus-to-newsrc-format ()
2848 ;; Generate and save the .newsrc file.
2850 (set-buffer (create-file-buffer gnus-current-startup-file))
2851 (let ((newsrc (cdr gnus-newsrc-alist))
2852 (standard-output (current-buffer))
2853 info ranges range method)
2854 (setq buffer-file-name gnus-current-startup-file)
2855 (setq default-directory (file-name-directory buffer-file-name))
2856 (buffer-disable-undo)
2859 (when gnus-newsrc-options
2860 (insert gnus-newsrc-options))
2861 ;; Write subscribed and unsubscribed.
2862 (while (setq info (pop newsrc))
2863 ;; Don't write foreign groups to .newsrc.
2864 (when (or (null (setq method (gnus-info-method info)))
2865 (equal method "native")
2866 (inline (gnus-server-equal method gnus-select-method)))
2867 (insert (gnus-info-group info)
2868 (if (> (gnus-info-level info) gnus-level-subscribed)
2870 (when (setq ranges (gnus-info-read info))
2872 (if (not (listp (cdr ranges)))
2873 (if (= (car ranges) (cdr ranges))
2874 (princ (car ranges))
2875 (princ (car ranges))
2877 (princ (cdr ranges)))
2878 (while (setq range (pop ranges))
2879 (if (or (atom range) (= (car range) (cdr range)))
2880 (princ (or (and (atom range) range) (car range)))
2883 (princ (cdr range)))
2887 (make-local-variable 'version-control)
2888 (setq version-control 'never)
2889 ;; It has been reported that sometime the modtime on the .newsrc
2890 ;; file seems to be off. We really do want to overwrite it, so
2891 ;; we clear the modtime here before saving. It's a bit odd,
2893 ;; sometimes the modtime clear isn't sufficient. most brute force:
2894 ;; delete the silly thing entirely first. but this fails to provide
2895 ;; such niceties as .newsrc~ creation.
2896 (if gnus-modtime-botch
2897 (delete-file gnus-startup-file)
2898 (clear-visited-file-modtime))
2899 (gnus-run-hooks 'gnus-save-standard-newsrc-hook)
2901 (kill-buffer (current-buffer)))))
2905 ;;; Slave functions.
2908 (defvar gnus-slave-mode nil)
2910 (defun gnus-slave-mode ()
2911 "Minor mode for slave Gnusae."
2912 (gnus-add-minor-mode 'gnus-slave-mode " Slave" (make-sparse-keymap))
2913 (gnus-run-hooks 'gnus-slave-mode-hook))
2915 (defun gnus-slave-save-newsrc ()
2917 (set-buffer gnus-dribble-buffer)
2919 (mm-make-temp-file (concat gnus-current-startup-file "-slave-")))
2920 (modes (ignore-errors
2921 (file-modes (concat gnus-current-startup-file ".eld")))))
2922 (gnus-write-buffer-as-coding-system gnus-ding-file-coding-system
2925 (set-file-modes slave-name modes)))))
2927 (defun gnus-master-read-slave-newsrc ()
2930 (file-name-directory gnus-current-startup-file)
2934 (file-name-nondirectory gnus-current-startup-file)
2938 (if (not slave-files)
2939 () ; There are no slave files to read.
2940 (gnus-message 7 "Reading slave newsrcs...")
2942 (set-buffer (gnus-get-buffer-create " *gnus slave*"))
2944 (sort (mapcar (lambda (file)
2945 (list (nth 5 (file-attributes file)) file))
2948 (or (< (caar f1) (caar f2))
2949 (< (nth 1 (car f1)) (nth 1 (car f2)))))))
2952 (setq file (nth 1 (car slave-files)))
2953 (nnheader-insert-file-contents file)
2954 (when (condition-case ()
2956 (eval-buffer (current-buffer))
2959 (gnus-error 3.2 "Possible error in %s" file)
2961 (unless gnus-slave ; Slaves shouldn't delete these files.
2963 (delete-file file))))
2964 (setq slave-files (cdr slave-files))))
2965 (gnus-dribble-touch)
2966 (gnus-message 7 "Reading slave newsrcs...done"))))
2970 ;;; Group description.
2973 (defun gnus-read-all-descriptions-files ()
2974 (let ((methods (cons gnus-select-method
2976 (when (gnus-archive-server-wanted-p)
2978 gnus-secondary-select-methods))))
2980 (gnus-read-descriptions-file (car methods))
2981 (setq methods (cdr methods)))
2984 (defun gnus-read-descriptions-file (&optional method)
2985 (let ((method (or method gnus-select-method))
2987 (when (stringp method)
2988 (setq method (gnus-server-to-method method)))
2989 ;; We create the hashtable whether we manage to read the desc file
2990 ;; to avoid trying to re-read after a failed read.
2991 (unless gnus-description-hashtb
2992 (setq gnus-description-hashtb
2993 (gnus-make-hashtable (length gnus-active-hashtb))))
2994 ;; Mark this method's desc file as read.
2995 (gnus-sethash (gnus-group-prefixed-name "" method) "Has read"
2996 gnus-description-hashtb)
2998 (gnus-message 5 "Reading descriptions file via %s..." (car method))
3000 ((null (gnus-get-function method 'request-list-newsgroups t))
3002 ((not (gnus-check-server method))
3003 (gnus-message 1 "Couldn't open server")
3005 ((not (gnus-request-list-newsgroups method))
3006 (gnus-message 1 "Couldn't read newsgroups descriptions")
3011 (set-buffer nntp-server-buffer)
3012 (goto-char (point-min))
3013 (when (or (search-forward "\n.\n" nil t)
3014 (goto-char (point-max)))
3016 (narrow-to-region (point-min) (point)))
3017 ;; If these are groups from a foreign select method, we insert the
3018 ;; group prefix in front of the group names.
3019 (and method (not (inline
3021 (gnus-server-get-method nil method)
3022 (gnus-server-get-method
3023 nil gnus-select-method))))
3024 (let ((prefix (gnus-group-prefixed-name "" method)))
3025 (goto-char (point-min))
3026 (while (and (not (eobp))
3027 (progn (insert prefix)
3028 (zerop (forward-line 1)))))))
3029 (goto-char (point-min))
3031 ;; If we get an error, we set group to 0, which is not a
3035 (let ((obarray gnus-description-hashtb))
3036 ;; Group is set to a symbol interned in this
3038 (read nntp-server-buffer))
3040 (skip-chars-forward " \t")
3041 ;; ... which leads to this line being effectively ignored.
3042 (when (symbolp group)
3043 (let* ((str (buffer-substring
3044 (point) (progn (end-of-line) (point))))
3045 (name (symbol-name group))
3047 (or (gnus-group-name-charset method name)
3048 (gnus-parameter-charset name)
3049 gnus-default-charset)))
3050 ;; Fixme: Don't decode in unibyte mode.
3051 (when (and str charset (featurep 'mule))
3052 (setq str (decode-coding-string str charset)))
3055 (gnus-message 5 "Reading descriptions file...done")
3058 (defun gnus-group-get-description (group)
3059 "Get the description of a group by sending XGTITLE to the server."
3060 (when (gnus-request-group-description group)
3062 (set-buffer nntp-server-buffer)
3063 (goto-char (point-min))
3064 (when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
3065 (match-string 1)))))
3068 (defun gnus-declare-backend (name &rest abilities)
3069 "Declare backend NAME with ABILITIES as a Gnus backend."
3070 (setq gnus-valid-select-methods
3071 (nconc gnus-valid-select-methods
3072 (list (apply 'list name abilities))))
3073 (gnus-redefine-select-method-widget))
3075 (defun gnus-set-default-directory ()
3076 "Set the default directory in the current buffer to `gnus-default-directory'.
3077 If this variable is nil, don't do anything."
3078 (setq default-directory
3079 (if (and gnus-default-directory
3080 (file-exists-p gnus-default-directory))
3081 (file-name-as-directory (expand-file-name gnus-default-directory))
3082 default-directory)))
3085 (defalias 'gnus-display-time-event-handler
3086 (if (gnus-boundp 'display-time-timer)
3087 'display-time-event-handler
3088 (lambda () "Does nothing as `display-time-timer' is not bound.
3089 Would otherwise be an alias for `display-time-event-handler'." nil))))
3092 (defun gnus-fixup-nnimap-unread-after-getting-new-news ()
3093 (let (server group info)
3096 (when (and (setq group (symbol-name sym))
3097 (gnus-group-entry group)
3098 (setq info (symbol-value sym)))
3099 (gnus-sethash group (cons (nth 2 info) (cdr (gnus-group-entry group)))
3100 gnus-newsrc-hashtb)))
3101 (if (boundp 'nnimap-mailbox-info)
3102 (symbol-value 'nnimap-mailbox-info)
3103 (make-vector 1 0)))))
3106 (provide 'gnus-start)
3108 ;;; gnus-start.el ends here