1 ;;; gnus-agent.el --- unplugged support for Gnus
2 ;; Copyright (C) 1997,98 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; This file is part of GNU Emacs.
7 ;; GNU Emacs is free software; you can redistribute it and/or modify
8 ;; it under the terms of the GNU General Public License as published by
9 ;; the Free Software Foundation; either version 2, or (at your option)
12 ;; GNU Emacs is distributed in the hope that it will be useful,
13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ;; GNU General Public License for more details.
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with GNU Emacs; see the file COPYING. If not, write to the
19 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 ;; Boston, MA 02111-1307, USA.
32 (require 'gnus-score))
34 (defcustom gnus-agent-directory (nnheader-concat gnus-directory "agent/")
35 "Where the Gnus agent will store its files."
39 (defcustom gnus-agent-plugged-hook nil
40 "Hook run when plugging into the network."
44 (defcustom gnus-agent-unplugged-hook nil
45 "Hook run when unplugging from the network."
49 (defcustom gnus-agent-handle-level gnus-level-subscribed
50 "Groups on levels higher than this variable will be ignored by the Agent."
54 (defcustom gnus-agent-expire-days 7
55 "Read articles older than this will be expired."
59 (defcustom gnus-agent-expire-all nil
60 "If non-nil, also expire unread, ticked and dormant articles.
61 If nil, only read articles will be expired."
65 (defcustom gnus-agent-group-mode-hook nil
66 "Hook run in Agent group minor modes."
70 (defcustom gnus-agent-summary-mode-hook nil
71 "Hook run in Agent summary minor modes."
75 (defcustom gnus-agent-server-mode-hook nil
76 "Hook run in Agent summary minor modes."
80 ;;; Internal variables
82 (defvar gnus-agent-history-buffers nil)
83 (defvar gnus-agent-buffer-alist nil)
84 (defvar gnus-agent-article-alist nil)
85 (defvar gnus-agent-group-alist nil)
86 (defvar gnus-agent-covered-methods nil)
87 (defvar gnus-category-alist nil)
88 (defvar gnus-agent-current-history nil)
89 (defvar gnus-agent-overview-buffer nil)
90 (defvar gnus-category-predicate-cache nil)
91 (defvar gnus-category-group-cache nil)
92 (defvar gnus-agent-spam-hashtb nil)
93 (defvar gnus-agent-file-name nil)
94 (defvar gnus-agent-send-mail-function nil)
95 (defvar gnus-agent-file-coding-system 'no-conversion)
97 (defconst gnus-agent-scoreable-headers
99 "subject" "from" "date" "message-id"
100 "references" "chars" "lines" "xref")
101 "Headers that are considered when scoring articles
102 for download via the Agent.")
105 (defvar gnus-headers)
112 (defun gnus-open-agent ()
114 (gnus-agent-read-servers)
116 (setq gnus-agent-overview-buffer
117 (gnus-get-buffer-create " *Gnus agent overview*"))
118 (add-hook 'gnus-group-mode-hook 'gnus-agent-mode)
119 (add-hook 'gnus-summary-mode-hook 'gnus-agent-mode)
120 (add-hook 'gnus-server-mode-hook 'gnus-agent-mode))
122 (gnus-add-shutdown 'gnus-close-agent 'gnus)
124 (defun gnus-close-agent ()
125 (setq gnus-agent-covered-methods nil
126 gnus-category-predicate-cache nil
127 gnus-category-group-cache nil
128 gnus-agent-spam-hashtb nil)
129 (gnus-kill-buffer gnus-agent-overview-buffer))
132 ;;; Utility functions
135 (defun gnus-agent-read-file (file)
136 "Load FILE and do a `read' there."
139 (nnheader-insert-file-contents file)
140 (goto-char (point-min))
141 (read (current-buffer)))))
143 (defsubst gnus-agent-method ()
144 (concat (symbol-name (car gnus-command-method)) "/"
145 (if (equal (cadr gnus-command-method) "")
147 (cadr gnus-command-method))))
149 (defsubst gnus-agent-directory ()
150 "Path of the Gnus agent directory."
151 (nnheader-concat gnus-agent-directory
152 (nnheader-translate-file-chars (gnus-agent-method)) "/"))
154 (defun gnus-agent-lib-file (file)
155 "The full path of the Gnus agent library FILE."
156 (concat (gnus-agent-directory) "agent.lib/" file))
158 ;;; Fetching setup functions.
160 (defun gnus-agent-start-fetch ()
161 "Initialize data structures for efficient fetching."
162 (gnus-agent-open-history)
163 (setq gnus-agent-current-history (gnus-agent-history-buffer)))
165 (defun gnus-agent-stop-fetch ()
166 "Save all data structures and clean up."
167 (gnus-agent-save-history)
168 (gnus-agent-close-history)
169 (setq gnus-agent-spam-hashtb nil)
171 (set-buffer nntp-server-buffer)
174 (defmacro gnus-agent-with-fetch (&rest forms)
178 (gnus-agent-start-fetch)
180 (gnus-agent-stop-fetch)))
182 (put 'gnus-agent-with-fetch 'lisp-indent-function 0)
183 (put 'gnus-agent-with-fetch 'edebug-form-spec '(body))
189 (defvar gnus-agent-mode-hook nil
190 "Hook run when installing agent mode.")
192 (defvar gnus-agent-mode nil)
193 (defvar gnus-agent-mode-status '(gnus-agent-mode " Plugged"))
195 (defun gnus-agent-mode ()
196 "Minor mode for providing a agent support in Gnus buffers."
197 (let* ((buffer (progn (string-match "^gnus-\\(.*\\)-mode$"
198 (symbol-name major-mode))
199 (match-string 1 (symbol-name major-mode))))
200 (mode (intern (format "gnus-agent-%s-mode" buffer))))
201 (set (make-local-variable 'gnus-agent-mode) t)
203 (set (make-local-variable mode) t)
205 (when (gnus-visual-p 'agent-menu 'menu)
206 (funcall (intern (format "gnus-agent-%s-make-menu-bar" buffer))))
207 (unless (assq 'gnus-agent-mode minor-mode-alist)
208 (push gnus-agent-mode-status minor-mode-alist))
209 (unless (assq mode minor-mode-map-alist)
210 (push (cons mode (symbol-value (intern (format "gnus-agent-%s-mode-map"
212 minor-mode-map-alist))
213 (when (eq major-mode 'gnus-group-mode)
214 (gnus-agent-toggle-plugged gnus-plugged))
215 (gnus-run-hooks 'gnus-agent-mode-hook
216 (intern (format "gnus-agent-%s-mode-hook" buffer)))))
218 (defvar gnus-agent-group-mode-map (make-sparse-keymap))
219 (gnus-define-keys gnus-agent-group-mode-map
220 "Ju" gnus-agent-fetch-groups
221 "Jc" gnus-enter-category-buffer
222 "Jj" gnus-agent-toggle-plugged
223 "Js" gnus-agent-fetch-session
224 "JS" gnus-group-send-drafts
225 "Ja" gnus-agent-add-group)
227 (defun gnus-agent-group-make-menu-bar ()
228 (unless (boundp 'gnus-agent-group-menu)
230 gnus-agent-group-menu gnus-agent-group-mode-map ""
232 ["Toggle plugged" gnus-agent-toggle-plugged t]
233 ["List categories" gnus-enter-category-buffer t]
234 ["Send drafts" gnus-group-send-drafts gnus-plugged]
236 ["All" gnus-agent-fetch-session gnus-plugged]
237 ["Group" gnus-agent-fetch-group gnus-plugged])))))
239 (defvar gnus-agent-summary-mode-map (make-sparse-keymap))
240 (gnus-define-keys gnus-agent-summary-mode-map
241 "Jj" gnus-agent-toggle-plugged
242 "J#" gnus-agent-mark-article
243 "J\M-#" gnus-agent-unmark-article
244 "@" gnus-agent-toggle-mark
245 "Jc" gnus-agent-catchup)
247 (defun gnus-agent-summary-make-menu-bar ()
248 (unless (boundp 'gnus-agent-summary-menu)
250 gnus-agent-summary-menu gnus-agent-summary-mode-map ""
252 ["Toggle plugged" gnus-agent-toggle-plugged t]
253 ["Mark as downloadable" gnus-agent-mark-article t]
254 ["Unmark as downloadable" gnus-agent-unmark-article t]
255 ["Toggle mark" gnus-agent-toggle-mark t]
256 ["Catchup undownloaded" gnus-agent-catchup t]))))
258 (defvar gnus-agent-server-mode-map (make-sparse-keymap))
259 (gnus-define-keys gnus-agent-server-mode-map
260 "Jj" gnus-agent-toggle-plugged
261 "Ja" gnus-agent-add-server
262 "Jr" gnus-agent-remove-server)
264 (defun gnus-agent-server-make-menu-bar ()
265 (unless (boundp 'gnus-agent-server-menu)
267 gnus-agent-server-menu gnus-agent-server-mode-map ""
269 ["Toggle plugged" gnus-agent-toggle-plugged t]
270 ["Add" gnus-agent-add-server t]
271 ["Remove" gnus-agent-remove-server t]))))
273 (defun gnus-agent-toggle-plugged (plugged)
274 "Toggle whether Gnus is unplugged or not."
275 (interactive (list (not gnus-plugged)))
278 (setq gnus-plugged plugged)
279 (gnus-run-hooks 'gnus-agent-plugged-hook)
280 (setcar (cdr gnus-agent-mode-status) " Plugged"))
281 (gnus-agent-close-connections)
282 (setq gnus-plugged plugged)
283 (gnus-run-hooks 'gnus-agent-unplugged-hook)
284 (setcar (cdr gnus-agent-mode-status) " Unplugged"))
285 (set-buffer-modified-p t))
287 (defun gnus-agent-close-connections ()
288 "Close all methods covered by the Gnus agent."
289 (let ((methods gnus-agent-covered-methods))
291 (gnus-close-server (pop methods)))))
294 (defun gnus-unplugged ()
295 "Start Gnus unplugged."
297 (setq gnus-plugged nil)
301 (defun gnus-plugged ()
302 "Start Gnus plugged."
304 (setq gnus-plugged t)
308 (defun gnus-agentize ()
309 "Allow Gnus to be an offline newsreader.
310 The normal usage of this command is to put the following as the
311 last form in your `.gnus.el' file:
315 This will modify the `gnus-before-startup-hook', `gnus-post-method',
316 and `message-send-mail-function' variables, and install the Gnus
317 agent minor mode in all Gnus buffers."
320 (add-hook 'gnus-setup-news-hook 'gnus-agent-queue-setup)
321 (unless gnus-agent-send-mail-function
322 (setq gnus-agent-send-mail-function message-send-mail-function
323 message-send-mail-function 'gnus-agent-send-mail))
324 (unless gnus-agent-covered-methods
325 (setq gnus-agent-covered-methods (list gnus-select-method))))
327 (defun gnus-agent-queue-setup ()
328 "Make sure the queue group exists."
329 (unless (gnus-gethash "nndraft:queue" gnus-newsrc-hashtb)
330 (gnus-request-create-group "queue" '(nndraft ""))
331 (let ((gnus-level-default-subscribed 1))
332 (gnus-subscribe-group "nndraft:queue" nil '(nndraft "")))
333 (gnus-group-set-parameter
334 "nndraft:queue" 'gnus-dummy '((gnus-draft-mode)))))
336 (defun gnus-agent-send-mail ()
338 (funcall gnus-agent-send-mail-function)
339 (goto-char (point-min))
341 (concat "^" (regexp-quote mail-header-separator) "\n"))
343 (gnus-agent-insert-meta-information 'mail)
344 (gnus-request-accept-article "nndraft:queue" nil t t)))
346 (defun gnus-agent-insert-meta-information (type &optional method)
347 "Insert meta-information into the message that says how it's to be posted.
348 TYPE can be either `mail' or `news'. If the latter METHOD can
351 (message-remove-header gnus-agent-meta-information-header)
352 (goto-char (point-min))
353 (insert gnus-agent-meta-information-header ": "
354 (symbol-name type) " " (format "%S" method)
357 (while (search-backward "\n" nil t)
358 (replace-match "\\n" t t))))
361 ;;; Group mode commands
364 (defun gnus-agent-fetch-groups (n)
365 "Put all new articles in the current groups into the Agent."
367 (gnus-group-iterate n 'gnus-agent-fetch-group))
369 (defun gnus-agent-fetch-group (group)
370 "Put all new articles in GROUP into the Agent."
371 (interactive (list (gnus-group-group-name)))
373 (error "No group on the current line"))
374 (let ((gnus-command-method (gnus-find-method-for-group group)))
375 (gnus-agent-with-fetch
376 (gnus-agent-fetch-group-1 group gnus-command-method)
377 (gnus-message 5 "Fetching %s...done" group))))
379 (defun gnus-agent-add-group (category arg)
380 "Add the current group to an agent category."
386 (mapcar (lambda (cat) (list (symbol-name (car cat))))
390 (let ((cat (assq category gnus-category-alist))
392 (gnus-group-iterate arg
394 (when (cadddr (setq c (gnus-group-category group)))
395 (setf (cadddr c) (delete group (cadddr c))))
396 (push group groups)))
397 (setf (cadddr cat) (nconc (cadddr cat) groups))
398 (gnus-category-write)))
401 ;;; Server mode commands
404 (defun gnus-agent-add-server (server)
405 "Enroll SERVER in the agent program."
406 (interactive (list (gnus-server-server-name)))
408 (error "No server on the current line"))
409 (let ((method (gnus-server-get-method nil (gnus-server-server-name))))
410 (when (member method gnus-agent-covered-methods)
411 (error "Server already in the agent program"))
412 (push method gnus-agent-covered-methods)
413 (gnus-agent-write-servers)
414 (message "Entered %s into the Agent" server)))
416 (defun gnus-agent-remove-server (server)
417 "Remove SERVER from the agent program."
418 (interactive (list (gnus-server-server-name)))
420 (error "No server on the current line"))
421 (let ((method (gnus-server-get-method nil (gnus-server-server-name))))
422 (unless (member method gnus-agent-covered-methods)
423 (error "Server not in the agent program"))
424 (setq gnus-agent-covered-methods
425 (delete method gnus-agent-covered-methods))
426 (gnus-agent-write-servers)
427 (message "Removed %s from the agent" server)))
429 (defun gnus-agent-read-servers ()
430 "Read the alist of covered servers."
431 (setq gnus-agent-covered-methods
432 (gnus-agent-read-file
433 (nnheader-concat gnus-agent-directory "lib/servers"))))
435 (defun gnus-agent-write-servers ()
436 "Write the alist of covered servers."
437 (with-temp-file (nnheader-concat gnus-agent-directory "lib/servers")
438 (prin1 gnus-agent-covered-methods (current-buffer))))
444 (defun gnus-agent-mark-article (n &optional unmark)
445 "Mark the next N articles as downloadable.
446 If N is negative, mark backward instead. If UNMARK is non-nil, remove
447 the mark instead. The difference between N and the actual number of
448 articles marked is returned."
450 (let ((backward (< n 0))
455 (gnus-summary-set-agent-mark
456 (gnus-summary-article-number) unmark)
457 (zerop (gnus-summary-next-subject (if backward -1 1) nil t))))
460 (gnus-message 7 "No more articles"))
461 (gnus-summary-recenter)
462 (gnus-summary-position-point)
465 (defun gnus-agent-unmark-article (n)
466 "Remove the downloadable mark from the next N articles.
467 If N is negative, unmark backward instead. The difference between N and
468 the actual number of articles unmarked is returned."
470 (gnus-agent-mark-article n t))
472 (defun gnus-agent-toggle-mark (n)
473 "Toggle the downloadable mark from the next N articles.
474 If N is negative, toggle backward instead. The difference between N and
475 the actual number of articles toggled is returned."
477 (gnus-agent-mark-article n 'toggle))
479 (defun gnus-summary-set-agent-mark (article &optional unmark)
480 "Mark ARTICLE as downloadable."
481 (let ((unmark (if (and (not (null unmark)) (not (eq t unmark)))
482 (memq article gnus-newsgroup-downloadable)
486 (setq gnus-newsgroup-downloadable
487 (delq article gnus-newsgroup-downloadable))
488 (push article gnus-newsgroup-undownloaded))
489 (setq gnus-newsgroup-undownloaded
490 (delq article gnus-newsgroup-undownloaded))
491 (push article gnus-newsgroup-downloadable))
492 (gnus-summary-update-mark
493 (if unmark gnus-undownloaded-mark gnus-downloadable-mark)
496 (defun gnus-agent-get-undownloaded-list ()
497 "Mark all unfetched articles as read."
498 (let ((gnus-command-method (gnus-find-method-for-group gnus-newsgroup-name)))
499 (when (and (not gnus-plugged)
500 (gnus-agent-method-p gnus-command-method))
501 (gnus-agent-load-alist gnus-newsgroup-name)
502 (let ((articles gnus-newsgroup-unreads)
504 (while (setq article (pop articles))
505 (unless (or (cdr (assq article gnus-agent-article-alist))
506 (memq article gnus-newsgroup-downloadable))
507 (push article gnus-newsgroup-undownloaded)))))))
509 (defun gnus-agent-catchup ()
510 "Mark all undownloaded articles as read."
513 (while gnus-newsgroup-undownloaded
514 (gnus-summary-mark-article
515 (pop gnus-newsgroup-undownloaded) gnus-catchup-mark)))
516 (gnus-summary-position-point))
519 ;;; Internal functions
522 (defun gnus-agent-save-active (method)
523 (when (gnus-agent-method-p method)
524 (let* ((gnus-command-method method)
525 (file (gnus-agent-lib-file "active")))
526 (gnus-make-directory (file-name-directory file))
527 (let ((coding-system-for-write gnus-agent-file-coding-system))
528 (write-region (point-min) (point-max) file nil 'silent))
529 (when (file-exists-p (gnus-agent-lib-file "groups"))
530 (delete-file (gnus-agent-lib-file "groups"))))))
532 (defun gnus-agent-save-groups (method)
533 (let* ((gnus-command-method method)
534 (file (gnus-agent-lib-file "groups")))
535 (gnus-make-directory (file-name-directory file))
536 (let ((coding-system-for-write
537 gnus-agent-file-coding-system))
538 (write-region (point-min) (point-max) file nil 'silent))
542 (when (file-exists-p (gnus-agent-lib-file "active"))
543 (delete-file (gnus-agent-lib-file "active"))))
546 (defun gnus-agent-save-group-info (method group active)
547 (when (gnus-agent-method-p method)
548 (let* ((gnus-command-method method)
549 (file (if nntp-server-list-active-group
550 (gnus-agent-lib-file "active")
551 (gnus-agent-lib-file "groups"))))
552 (gnus-make-directory (file-name-directory file))
554 (when (file-exists-p file)
555 (nnheader-insert-file-contents file))
556 (goto-char (point-min))
557 (if nntp-server-list-active-group
559 (when (re-search-forward
560 (concat "^" (regexp-quote group) " ") nil t)
562 (insert group " " (number-to-string (cdr active)) " "
563 (number-to-string (car active)) "\n"))
564 (when (re-search-forward (concat (regexp-quote group) " ") nil t)
566 (insert-buffer-substring nntp-server-buffer))))))
568 (defun gnus-agent-group-path (group)
569 "Translate GROUP into a path."
570 (if nnmail-use-long-file-names
571 (gnus-group-real-name group)
572 (nnheader-replace-chars-in-string
573 (nnheader-translate-file-chars (gnus-group-real-name group))
578 (defun gnus-agent-method-p (method)
579 "Say whether METHOD is covered by the agent."
580 (member method gnus-agent-covered-methods))
582 (defun gnus-agent-get-function (method)
583 (if (and (not gnus-plugged)
584 (gnus-agent-method-p method))
590 ;;; History functions
592 (defun gnus-agent-history-buffer ()
593 (cdr (assoc (gnus-agent-method) gnus-agent-history-buffers)))
595 (defun gnus-agent-open-history ()
597 (push (cons (gnus-agent-method)
598 (set-buffer (gnus-get-buffer-create
599 (format " *Gnus agent %s history*"
600 (gnus-agent-method)))))
601 gnus-agent-history-buffers)
604 (let ((file (gnus-agent-lib-file "history")))
605 (when (file-exists-p file)
607 (set (make-local-variable 'gnus-agent-file-name) file))))
609 (defun gnus-agent-save-history ()
611 (set-buffer gnus-agent-current-history)
612 (gnus-make-directory (file-name-directory gnus-agent-file-name))
613 (let ((coding-system-for-write
614 gnus-agent-file-coding-system))
615 (write-region (1+ (point-min)) (point-max)
616 gnus-agent-file-name nil 'silent))))
618 (defun gnus-agent-close-history ()
619 (when (gnus-buffer-live-p gnus-agent-current-history)
620 (kill-buffer gnus-agent-current-history)
621 (setq gnus-agent-history-buffers
622 (delq (assoc (gnus-agent-method) gnus-agent-history-buffers)
623 gnus-agent-history-buffers))))
625 (defun gnus-agent-enter-history (id group-arts date)
627 (set-buffer gnus-agent-current-history)
628 (goto-char (point-max))
629 (insert id "\t" (number-to-string date) "\t")
631 (insert (caar group-arts) " " (number-to-string (cdr (pop group-arts)))
635 (defun gnus-agent-article-in-history-p (id)
637 (set-buffer (gnus-agent-history-buffer))
638 (goto-char (point-min))
639 (search-forward (concat "\n" id "\t") nil t)))
641 (defun gnus-agent-history-path (id)
643 (set-buffer (gnus-agent-history-buffer))
644 (goto-char (point-min))
645 (when (search-forward (concat "\n" id "\t") nil t)
646 (let ((method (gnus-agent-method)))
648 (while (not (numberp (setq group (read (current-buffer)))))
649 (push (concat method "/" group) paths))
650 (nreverse paths))))))
656 (defun gnus-agent-fetch-articles (group articles)
657 "Fetch ARTICLES from GROUP and put them into the Agent."
659 ;; Prune off articles that we have already fetched.
661 (cdr (assq (car articles) gnus-agent-article-alist)))
663 (let ((arts articles))
665 (if (cdr (assq (cadr arts) gnus-agent-article-alist))
666 (setcdr arts (cddr arts))
667 (setq arts (cdr arts)))))
670 (gnus-agent-directory)
671 (gnus-agent-group-path group) "/"))
672 (date (time-to-days (current-time)))
675 (gnus-make-directory dir)
676 (gnus-message 7 "Fetching articles for %s..." group)
677 ;; Fetch the articles from the backend.
678 (if (gnus-check-backend-function 'retrieve-articles group)
679 (setq pos (gnus-retrieve-articles articles group))
682 (while (setq article (pop articles))
683 (when (gnus-request-article article group)
684 (goto-char (point-max))
685 (push (cons article (point)) pos)
686 (insert-buffer-substring nntp-server-buffer)))
687 (copy-to-buffer nntp-server-buffer (point-min) (point-max))
688 (setq pos (nreverse pos)))))
689 ;; Then save these articles into the Agent.
691 (set-buffer nntp-server-buffer)
693 (narrow-to-region (cdar pos) (or (cdadr pos) (point-max)))
694 (goto-char (point-min))
695 (when (search-forward "\n\n" nil t)
696 (when (search-backward "\nXrefs: " nil t)
697 ;; Handle crossposting.
698 (skip-chars-forward "^ ")
699 (skip-chars-forward " ")
701 (while (looking-at "\\([^: \n]+\\):\\([0-9]+\\) +")
702 (push (cons (buffer-substring (match-beginning 1)
704 (buffer-substring (match-beginning 2)
707 (goto-char (match-end 0)))
708 (gnus-agent-crosspost crosses (caar pos))))
709 (goto-char (point-min))
710 (if (not (re-search-forward "^Message-ID: *<\\([^>\n]+\\)>" nil t))
711 (setq id "No-Message-ID-in-article")
712 (setq id (buffer-substring (match-beginning 1) (match-end 1))))
713 (let ((coding-system-for-write
714 gnus-agent-file-coding-system))
715 (write-region (point-min) (point-max)
716 (concat dir (number-to-string (caar pos)))
718 (when (setq elem (assq (caar pos) gnus-agent-article-alist))
720 (gnus-agent-enter-history
721 id (or crosses (list (cons group (caar pos)))) date)
724 (gnus-agent-save-alist group)))))
726 (defun gnus-agent-crosspost (crosses article)
727 (let (gnus-agent-article-alist group alist beg end)
729 (set-buffer gnus-agent-overview-buffer)
730 (when (nnheader-find-nov-line article)
733 (setq end (progn (forward-line 1) (point)))))
735 (setq group (caar crosses))
736 (unless (setq alist (assoc group gnus-agent-group-alist))
737 (push (setq alist (list group (gnus-agent-load-alist (caar crosses))))
738 gnus-agent-group-alist))
739 (setcdr alist (cons (cons (cdar crosses) t) (cdr alist)))
741 (set-buffer (gnus-get-buffer-create (format " *Gnus agent overview %s*"
743 (when (= (point-max) (point-min))
744 (push (cons group (current-buffer)) gnus-agent-buffer-alist)
746 (nnheader-insert-file-contents
747 (gnus-agent-article-name ".overview" group))))
748 (nnheader-find-nov-line (string-to-number (cdar crosses)))
749 (insert (string-to-number (cdar crosses)))
750 (insert-buffer-substring gnus-agent-overview-buffer beg end))
753 (defun gnus-agent-flush-cache ()
755 (while gnus-agent-buffer-alist
756 (set-buffer (cdar gnus-agent-buffer-alist))
757 (let ((coding-system-for-write
758 gnus-agent-file-coding-system))
759 (write-region (point-min) (point-max)
760 (gnus-agent-article-name ".overview"
761 (caar gnus-agent-buffer-alist))
763 (pop gnus-agent-buffer-alist))
764 (while gnus-agent-group-alist
765 (with-temp-file (caar gnus-agent-group-alist)
766 (princ (cdar gnus-agent-group-alist))
768 (pop gnus-agent-group-alist))))
770 (defun gnus-agent-fetch-headers (group &optional force)
771 (let ((articles (if (gnus-agent-load-alist group)
772 (gnus-sorted-intersection
773 (gnus-list-of-unread-articles group)
774 (gnus-uncompress-range
775 (cons (1+ (caar (last gnus-agent-article-alist)))
776 (cdr (gnus-active group)))))
777 (gnus-list-of-unread-articles group))))
780 (gnus-message 7 "Fetching headers for %s..." group)
782 (set-buffer nntp-server-buffer)
783 (unless (eq 'nov (gnus-retrieve-headers articles group))
784 (nnvirtual-convert-headers))
785 ;; Save these headers for later processing.
786 (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
789 (setq file (gnus-agent-article-name ".overview" group)))
790 (gnus-agent-braid-nov group articles file))
791 (gnus-make-directory (nnheader-translate-file-chars
792 (file-name-directory file)))
793 (let ((coding-system-for-write
794 gnus-agent-file-coding-system))
795 (write-region (point-min) (point-max) file nil 'silent))
796 (gnus-agent-save-alist group articles nil)
797 (gnus-agent-enter-history
798 "last-header-fetched-for-session"
799 (list (cons group (nth (- (length articles) 1) articles)))
800 (time-to-days (current-time)))
803 (defsubst gnus-agent-copy-nov-line (article)
805 (set-buffer gnus-agent-overview-buffer)
807 (if (eq article (read (current-buffer)))
808 (setq e (progn (forward-line 1) (point)))
812 (set-buffer nntp-server-buffer)
813 (insert-buffer-substring gnus-agent-overview-buffer b e)))
815 (defun gnus-agent-braid-nov (group articles file)
816 (set-buffer gnus-agent-overview-buffer)
817 (goto-char (point-min))
818 (set-buffer nntp-server-buffer)
820 (nnheader-insert-file-contents file)
821 (goto-char (point-max))
822 (if (or (= (point-min) (point-max))
825 (< (read (current-buffer)) (car articles))))
826 ;; We have only headers that are after the older headers,
827 ;; so we just append them.
829 (goto-char (point-max))
830 (insert-buffer-substring gnus-agent-overview-buffer))
831 ;; We do it the hard way.
832 (nnheader-find-nov-line (car articles))
833 (gnus-agent-copy-nov-line (car articles))
837 (while (and (not (eobp))
838 (< (read (current-buffer)) (car articles)))
842 (gnus-agent-copy-nov-line (car articles))
843 (setq articles (cdr articles))))
846 (set-buffer gnus-agent-overview-buffer)
849 (set-buffer nntp-server-buffer)
850 (insert-buffer-substring gnus-agent-overview-buffer b e)))))
852 (defun gnus-agent-load-alist (group &optional dir)
853 "Load the article-state alist for GROUP."
854 (setq gnus-agent-article-alist
855 (gnus-agent-read-file
857 (concat dir ".agentview")
858 (gnus-agent-article-name ".agentview" group)))))
860 (defun gnus-agent-save-alist (group &optional articles state dir)
861 "Save the article-state alist for GROUP."
862 (with-temp-file (if dir
863 (concat dir ".agentview")
864 (gnus-agent-article-name ".agentview" group))
865 (princ (setq gnus-agent-article-alist
866 (nconc gnus-agent-article-alist
867 (mapcar (lambda (article) (cons article state))
872 (defun gnus-agent-article-name (article group)
873 (concat (gnus-agent-directory) (gnus-agent-group-path group) "/"
874 (if (stringp article) article (string-to-number article))))
877 (defun gnus-agent-batch-fetch ()
878 "Start Gnus and fetch session."
881 (gnus-agent-fetch-session)
884 (defun gnus-agent-fetch-session ()
885 "Fetch all articles and headers that are eligible for fetching."
887 (unless gnus-agent-covered-methods
888 (error "No servers are covered by the Gnus agent"))
890 (error "Can't fetch articles while Gnus is unplugged"))
891 (let ((methods gnus-agent-covered-methods)
892 groups group gnus-command-method)
895 (setq gnus-command-method (car methods))
896 (when (or (gnus-server-opened gnus-command-method)
897 (gnus-open-server gnus-command-method))
898 (setq groups (gnus-groups-from-server (car methods)))
899 (gnus-agent-with-fetch
900 (while (setq group (pop groups))
901 (when (<= (gnus-group-level group) gnus-agent-handle-level)
902 (gnus-agent-fetch-group-1 group gnus-command-method)))))
904 (gnus-message 6 "Finished fetching articles into the Gnus agent"))))
906 (defun gnus-agent-fetch-group-1 (group method)
908 (let ((gnus-command-method method)
909 gnus-newsgroup-dependencies gnus-newsgroup-headers
910 gnus-newsgroup-scored gnus-headers gnus-score
911 gnus-use-cache articles arts
912 category predicate info marks score-param)
914 (when (and (or (gnus-active group) (gnus-activate-group group))
915 (setq articles (gnus-agent-fetch-headers group)))
916 ;; Parse them and see which articles we want to fetch.
917 (setq gnus-newsgroup-dependencies
918 (make-vector (length articles) 0))
919 ;; No need to call `gnus-get-newsgroup-headers-xover' with
920 ;; the entire .overview for group as we still have the just
921 ;; downloaded headers in `gnus-agent-overview-buffer'.
922 (let ((nntp-server-buffer gnus-agent-overview-buffer))
923 (setq gnus-newsgroup-headers
924 (gnus-get-newsgroup-headers-xover articles nil nil group)))
925 (setq category (gnus-group-category group))
928 (or (gnus-group-get-parameter group 'agent-predicate t)
930 ;; Do we want to download everything, or nothing?
931 (if (or (eq (caaddr predicate) 'gnus-agent-true)
932 (eq (caaddr predicate) 'gnus-agent-false))
934 (setq arts (symbol-value
935 (cadr (assoc (caaddr predicate)
936 '((gnus-agent-true articles)
937 (gnus-agent-false nil))))))
938 ;; No, we need to decide what we want.
940 (let ((score-method (or
941 (gnus-group-get-parameter group 'agent-score t)
944 (require 'gnus-score)
945 (if (eq score-method 'file)
947 (gnus-score-load-files
948 (gnus-all-score-files group)))
950 (while (setq list (car entries))
951 (push (car list) score-file)
952 (setq list (cdr list))
954 (when (member (caar list)
955 gnus-agent-scoreable-headers)
956 (push (car list) score-file))
957 (setq list (cdr list)))
959 (append score-param (list (nreverse score-file)))
960 score-file nil entries (cdr entries)))
962 (if (stringp (car score-method))
964 (list (list score-method)))))))
966 (gnus-score-headers score-param))
968 (while (setq gnus-headers (pop gnus-newsgroup-headers))
970 (or (cdr (assq (mail-header-number gnus-headers)
971 gnus-newsgroup-scored))
972 gnus-summary-default-score))
973 (when (funcall predicate)
974 (push (mail-header-number gnus-headers)
976 ;; Fetch the articles.
978 (gnus-agent-fetch-articles group arts)))
979 ;; Perhaps we have some additional articles to fetch.
980 (setq arts (assq 'download (gnus-info-marks
981 (setq info (gnus-get-info group)))))
983 (gnus-agent-fetch-articles
984 group (gnus-uncompress-range (cdr arts)))
985 (setq marks (delq arts (gnus-info-marks info)))
986 (gnus-info-set-marks info marks))))
989 ;;; Agent Category Mode
992 (defvar gnus-category-mode-hook nil
993 "Hook run in `gnus-category-mode' buffers.")
995 (defvar gnus-category-line-format " %(%20c%): %g\n"
996 "Format of category lines.")
998 (defvar gnus-category-mode-line-format "Gnus: %%b"
999 "The format specification for the category mode line.")
1001 (defvar gnus-agent-short-article 100
1002 "Articles that have fewer lines than this are short.")
1004 (defvar gnus-agent-long-article 200
1005 "Articles that have more lines than this are long.")
1007 (defvar gnus-agent-low-score 0
1008 "Articles that have a score lower than this have a low score.")
1010 (defvar gnus-agent-high-score 0
1011 "Articles that have a score higher than this have a high score.")
1014 ;;; Internal variables.
1016 (defvar gnus-category-buffer "*Agent Category*")
1018 (defvar gnus-category-line-format-alist
1019 `((?c gnus-tmp-name ?s)
1020 (?g gnus-tmp-groups ?d)))
1022 (defvar gnus-category-mode-line-format-alist
1023 `((?u user-defined ?s)))
1025 (defvar gnus-category-line-format-spec nil)
1026 (defvar gnus-category-mode-line-format-spec nil)
1028 (defvar gnus-category-mode-map nil)
1029 (put 'gnus-category-mode 'mode-class 'special)
1031 (unless gnus-category-mode-map
1032 (setq gnus-category-mode-map (make-sparse-keymap))
1033 (suppress-keymap gnus-category-mode-map)
1035 (gnus-define-keys gnus-category-mode-map
1036 "q" gnus-category-exit
1037 "k" gnus-category-kill
1038 "c" gnus-category-copy
1039 "a" gnus-category-add
1040 "p" gnus-category-edit-predicate
1041 "g" gnus-category-edit-groups
1042 "s" gnus-category-edit-score
1043 "l" gnus-category-list
1045 "\C-c\C-i" gnus-info-find-node
1046 "\C-c\C-b" gnus-bug))
1048 (defvar gnus-category-menu-hook nil
1049 "*Hook run after the creation of the menu.")
1051 (defun gnus-category-make-menu-bar ()
1052 (gnus-turn-off-edit-menu 'category)
1053 (unless (boundp 'gnus-category-menu)
1055 gnus-category-menu gnus-category-mode-map ""
1057 ["Add" gnus-category-add t]
1058 ["Kill" gnus-category-kill t]
1059 ["Copy" gnus-category-copy t]
1060 ["Edit predicate" gnus-category-edit-predicate t]
1061 ["Edit score" gnus-category-edit-score t]
1062 ["Edit groups" gnus-category-edit-groups t]
1063 ["Exit" gnus-category-exit t]))
1065 (gnus-run-hooks 'gnus-category-menu-hook)))
1067 (defun gnus-category-mode ()
1068 "Major mode for listing and editing agent categories.
1070 All normal editing commands are switched off.
1071 \\<gnus-category-mode-map>
1072 For more in-depth information on this mode, read the manual
1073 (`\\[gnus-info-find-node]').
1075 The following commands are available:
1077 \\{gnus-category-mode-map}"
1079 (when (gnus-visual-p 'category-menu 'menu)
1080 (gnus-category-make-menu-bar))
1081 (kill-all-local-variables)
1082 (gnus-simplify-mode-line)
1083 (setq major-mode 'gnus-category-mode)
1084 (setq mode-name "Category")
1085 (gnus-set-default-directory)
1086 (setq mode-line-process nil)
1087 (use-local-map gnus-category-mode-map)
1088 (buffer-disable-undo)
1089 (setq truncate-lines t)
1090 (setq buffer-read-only t)
1091 (gnus-run-hooks 'gnus-category-mode-hook))
1093 (defalias 'gnus-category-position-point 'gnus-goto-colon)
1095 (defun gnus-category-insert-line (category)
1096 (let* ((gnus-tmp-name (car category))
1097 (gnus-tmp-groups (length (cadddr category))))
1099 (gnus-add-text-properties
1103 (eval gnus-category-line-format-spec))
1104 (list 'gnus-category gnus-tmp-name))))
1106 (defun gnus-enter-category-buffer ()
1107 "Go to the Category buffer."
1109 (gnus-category-setup-buffer)
1110 (gnus-configure-windows 'category)
1111 (gnus-category-prepare))
1113 (defun gnus-category-setup-buffer ()
1114 (unless (get-buffer gnus-category-buffer)
1116 (set-buffer (gnus-get-buffer-create gnus-category-buffer))
1117 (gnus-category-mode))))
1119 (defun gnus-category-prepare ()
1120 (gnus-set-format 'category-mode)
1121 (gnus-set-format 'category t)
1122 (let ((alist gnus-category-alist)
1123 (buffer-read-only nil))
1126 (gnus-category-insert-line (pop alist)))
1127 (goto-char (point-min))
1128 (gnus-category-position-point)))
1130 (defun gnus-category-name ()
1131 (or (get-text-property (gnus-point-at-bol) 'gnus-category)
1132 (error "No category on the current line")))
1134 (defun gnus-category-read ()
1135 "Read the category alist."
1136 (setq gnus-category-alist
1137 (or (gnus-agent-read-file
1138 (nnheader-concat gnus-agent-directory "lib/categories"))
1139 (list (list 'default 'short nil nil)))))
1141 (defun gnus-category-write ()
1142 "Write the category alist."
1143 (setq gnus-category-predicate-cache nil
1144 gnus-category-group-cache nil)
1145 (with-temp-file (nnheader-concat gnus-agent-directory "lib/categories")
1146 (prin1 gnus-category-alist (current-buffer))))
1148 (defun gnus-category-edit-predicate (category)
1149 "Edit the predicate for CATEGORY."
1150 (interactive (list (gnus-category-name)))
1151 (let ((info (assq category gnus-category-alist)))
1153 (cadr info) (format "Editing the predicate for category %s" category)
1154 `(lambda (predicate)
1155 (setf (cadr (assq ',category gnus-category-alist)) predicate)
1156 (gnus-category-write)
1157 (gnus-category-list)))))
1159 (defun gnus-category-edit-score (category)
1160 "Edit the score expression for CATEGORY."
1161 (interactive (list (gnus-category-name)))
1162 (let ((info (assq category gnus-category-alist)))
1165 (format "Editing the score expression for category %s" category)
1167 (setf (caddr (assq ',category gnus-category-alist)) groups)
1168 (gnus-category-write)
1169 (gnus-category-list)))))
1171 (defun gnus-category-edit-groups (category)
1172 "Edit the group list for CATEGORY."
1173 (interactive (list (gnus-category-name)))
1174 (let ((info (assq category gnus-category-alist)))
1176 (cadddr info) (format "Editing the group list for category %s" category)
1178 (setf (cadddr (assq ',category gnus-category-alist)) groups)
1179 (gnus-category-write)
1180 (gnus-category-list)))))
1182 (defun gnus-category-kill (category)
1183 "Kill the current category."
1184 (interactive (list (gnus-category-name)))
1185 (let ((info (assq category gnus-category-alist))
1186 (buffer-read-only nil))
1188 (gnus-category-write)
1189 (setq gnus-category-alist (delq info gnus-category-alist))))
1191 (defun gnus-category-copy (category to)
1192 "Copy the current category."
1193 (interactive (list (gnus-category-name) (intern (read-string "New name: "))))
1194 (let ((info (assq category gnus-category-alist)))
1195 (push (list to (gnus-copy-sequence (cadr info))
1196 (gnus-copy-sequence (caddr info)) nil)
1197 gnus-category-alist)
1198 (gnus-category-write)
1199 (gnus-category-list)))
1201 (defun gnus-category-add (category)
1202 "Create a new category."
1203 (interactive "SCategory name: ")
1204 (when (assq category gnus-category-alist)
1205 (error "Category %s already exists" category))
1206 (push (list category 'true nil nil)
1207 gnus-category-alist)
1208 (gnus-category-write)
1209 (gnus-category-list))
1211 (defun gnus-category-list ()
1212 "List all categories."
1214 (gnus-category-prepare))
1216 (defun gnus-category-exit ()
1217 "Return to the group buffer."
1219 (kill-buffer (current-buffer))
1220 (gnus-configure-windows 'group t))
1222 ;; To avoid having 8-bit characters in the source file.
1223 (defvar gnus-category-not (list '! 'not (intern (format "%c" 172))))
1225 (defvar gnus-category-predicate-alist
1226 '((spam . gnus-agent-spam-p)
1227 (short . gnus-agent-short-p)
1228 (long . gnus-agent-long-p)
1229 (low . gnus-agent-low-scored-p)
1230 (high . gnus-agent-high-scored-p)
1231 (true . gnus-agent-true)
1232 (false . gnus-agent-false))
1233 "Mapping from short score predicate symbols to predicate functions.")
1235 (defun gnus-agent-spam-p ()
1236 "Say whether an article is spam or not."
1237 (unless gnus-agent-spam-hashtb
1238 (setq gnus-agent-spam-hashtb (gnus-make-hashtable 1000)))
1239 (if (not (equal (mail-header-references gnus-headers) ""))
1241 (let ((string (gnus-simplify-subject (mail-header-subject gnus-headers))))
1243 (gnus-gethash string gnus-agent-spam-hashtb)
1244 (gnus-sethash string t gnus-agent-spam-hashtb)))))
1246 (defun gnus-agent-short-p ()
1247 "Say whether an article is short or not."
1248 (< (mail-header-lines gnus-headers) gnus-agent-short-article))
1250 (defun gnus-agent-long-p ()
1251 "Say whether an article is long or not."
1252 (> (mail-header-lines gnus-headers) gnus-agent-long-article))
1254 (defun gnus-agent-low-scored-p ()
1255 "Say whether an article has a low score or not."
1256 (< gnus-score gnus-agent-low-score))
1258 (defun gnus-agent-high-scored-p ()
1259 "Say whether an article has a high score or not."
1260 (> gnus-score gnus-agent-high-score))
1262 (defun gnus-category-make-function (cat)
1263 "Make a function from category CAT."
1264 `(lambda () ,(gnus-category-make-function-1 cat)))
1266 (defun gnus-agent-true ()
1270 (defun gnus-agent-false ()
1274 (defun gnus-category-make-function-1 (cat)
1275 "Make a function from category CAT."
1277 ;; Functions are just returned as is.
1279 (gnus-functionp cat))
1280 `(,(or (cdr (assq cat gnus-category-predicate-alist))
1282 ;; More complex category.
1285 ((memq (car cat) '(& and))
1287 ((memq (car cat) '(| or))
1289 ((memq (car cat) gnus-category-not)
1291 ,@(mapcar 'gnus-category-make-function-1 (cdr cat))))
1293 (error "Unknown category type: %s" cat))))
1295 (defun gnus-get-predicate (predicate)
1296 "Return the predicate for CATEGORY."
1297 (or (cdr (assoc predicate gnus-category-predicate-cache))
1298 (cdar (push (cons predicate
1299 (gnus-category-make-function predicate))
1300 gnus-category-predicate-cache))))
1302 (defun gnus-group-category (group)
1303 "Return the category GROUP belongs to."
1304 (unless gnus-category-group-cache
1305 (setq gnus-category-group-cache (gnus-make-hashtable 1000))
1306 (let ((cs gnus-category-alist)
1308 (while (setq cat (pop cs))
1309 (setq groups (cadddr cat))
1311 (gnus-sethash (pop groups) cat gnus-category-group-cache)))))
1312 (or (gnus-gethash group gnus-category-group-cache)
1313 (assq 'default gnus-category-alist)))
1315 (defun gnus-agent-expire ()
1316 "Expire all old articles."
1318 (let ((methods gnus-agent-covered-methods)
1319 (day (- (time-to-days (current-time)) gnus-agent-expire-days))
1320 gnus-command-method sym group articles
1321 history overview file histories elem art nov-file low info
1322 unreads marked article)
1324 (setq overview (gnus-get-buffer-create " *expire overview*"))
1325 (while (setq gnus-command-method (pop methods))
1326 (let ((expiry-hashtb (gnus-make-hashtable 1023)))
1327 (gnus-agent-open-history)
1329 (setq gnus-agent-current-history
1330 (setq history (gnus-agent-history-buffer))))
1331 (goto-char (point-min))
1332 (when (> (buffer-size) 1)
1333 (goto-char (point-min))
1335 (skip-chars-forward "^\t")
1336 (if (> (read (current-buffer)) day)
1337 ;; New article; we don't expire it.
1339 ;; Old article. Schedule it for possible nuking.
1341 (setq sym (let ((obarray expiry-hashtb))
1342 (read (current-buffer))))
1344 (set sym (cons (cons (read (current-buffer)) (point))
1345 (symbol-value sym)))
1346 (set sym (list (cons (read (current-buffer)) (point)))))
1347 (skip-chars-forward " "))
1349 ;; We now have all articles that can possibly be expired.
1352 (setq group (symbol-name sym)
1353 articles (sort (symbol-value sym) 'car-less-than-car)
1354 low (car (gnus-active group))
1355 info (gnus-get-info group)
1356 unreads (ignore-errors (gnus-list-of-unread-articles group))
1357 marked (nconc (gnus-uncompress-range
1358 (cdr (assq 'tick (gnus-info-marks info))))
1359 (gnus-uncompress-range
1361 (gnus-info-marks info)))))
1362 nov-file (gnus-agent-article-name ".overview" group))
1363 (gnus-agent-load-alist group)
1364 (gnus-message 5 "Expiring articles in %s" group)
1365 (set-buffer overview)
1367 (when (file-exists-p nov-file)
1368 (nnheader-insert-file-contents nov-file))
1369 (goto-char (point-min))
1371 (while (setq elem (pop articles))
1372 (setq article (car elem))
1373 (when (or (null low)
1375 gnus-agent-expire-all
1376 (and (not (memq article unreads))
1377 (not (memq article marked))))
1378 ;; Find and nuke the NOV line.
1379 (while (and (not (eobp))
1381 (setq art (read (current-buffer)))))
1384 (gnus-agent-article-name
1385 (number-to-string art) group))
1387 ;; Remove old NOV lines that have no articles.
1388 (gnus-delete-line)))
1393 ;; Nuke the article.
1394 (when (file-exists-p (setq file (gnus-agent-article-name
1395 (number-to-string article)
1398 ;; Schedule the history line for nuking.
1399 (push (cdr elem) histories)))
1400 (gnus-make-directory (file-name-directory nov-file))
1401 (let ((coding-system-for-write
1402 gnus-agent-file-coding-system))
1403 (write-region (point-min) (point-max) nov-file nil 'silent))
1404 ;; Delete the unwanted entries in the alist.
1405 (setq gnus-agent-article-alist
1406 (sort gnus-agent-article-alist 'car-less-than-car))
1407 (let* ((alist gnus-agent-article-alist)
1408 (prev (cons nil alist))
1412 (<= (caar alist) article))
1413 (if (or (not (cdar alist))
1415 (gnus-agent-article-name
1420 (push (caar alist) expired)
1421 (setcdr prev (setq alist (cdr alist))))
1423 alist (cdr alist))))
1424 (setq gnus-agent-article-alist (cdr first))
1425 (gnus-agent-save-alist group)
1426 ;; Mark all articles up to the first article
1427 ;; in `gnus-article-alist' as read.
1428 (when (and info (caar gnus-agent-article-alist))
1429 (setcar (nthcdr 2 info)
1432 (cons 1 (- (caar gnus-agent-article-alist) 1)))))
1433 ;; Maybe everything has been expired from `gnus-article-alist'
1434 ;; and so the above marking as read could not be conducted,
1435 ;; or there are expired article within the range of the alist.
1438 (or (not (caar gnus-agent-article-alist))
1440 (caar gnus-agent-article-alist))))
1441 (setcar (nthcdr 2 info)
1444 (nreverse expired))))
1446 (concat "(gnus-group-set-info '"
1447 (gnus-prin1-to-string info)
1450 (set-buffer history)
1451 (setq histories (nreverse (sort histories '<)))
1453 (goto-char (pop histories))
1455 (gnus-agent-save-history)
1456 (gnus-agent-close-history))
1457 (gnus-message 4 "Expiry...done"))))))
1460 (defun gnus-agent-batch ()
1462 (let ((init-file-user "")
1463 (gnus-always-read-dribble-file t))
1465 (gnus-group-send-drafts)
1466 (gnus-agent-fetch-session))
1468 (provide 'gnus-agent)
1470 ;;; gnus-agent.el ends here