1 ;;; gnus-srvr.el --- virtual server support for Gnus
2 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
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
))
37 (defvar gnus-server-mode-hook nil
38 "Hook run in `gnus-server-mode' buffers.")
40 (defconst gnus-server-line-format
" {%(%h:%w%)} %s\n"
41 "Format of server lines.
42 It works along the same lines as a normal formatting string,
43 with some simple extensions.
45 The following specs are understood:
52 (defvar gnus-server-mode-line-format
"Gnus: %%b"
53 "The format specification for the server mode line.")
55 (defvar gnus-server-exit-hook nil
56 "*Hook run when exiting the server buffer.")
58 ;;; Internal variables.
60 (defvar gnus-inserted-opened-servers nil
)
62 (defvar gnus-server-line-format-alist
63 `((?h gnus-tmp-how ?s
)
65 (?w gnus-tmp-where ?s
)
66 (?s gnus-tmp-status ?s
)))
68 (defvar gnus-server-mode-line-format-alist
69 `((?S gnus-tmp-news-server ?s
)
70 (?M gnus-tmp-news-method ?s
)
71 (?u gnus-tmp-user-defined ?s
)))
73 (defvar gnus-server-line-format-spec nil
)
74 (defvar gnus-server-mode-line-format-spec nil
)
75 (defvar gnus-server-killed-servers nil
)
77 (defvar gnus-server-mode-map
)
79 (defvar gnus-server-menu-hook nil
80 "*Hook run after the creation of the server mode menu.")
82 (defun gnus-server-make-menu-bar ()
83 (gnus-turn-off-edit-menu 'server
)
84 (unless (boundp 'gnus-server-server-menu
)
86 gnus-server-server-menu gnus-server-mode-map
""
88 ["Add" gnus-server-add-server t
]
89 ["Browse" gnus-server-read-server t
]
90 ["Scan" gnus-server-scan-server t
]
91 ["List" gnus-server-list-servers t
]
92 ["Kill" gnus-server-kill-server t
]
93 ["Yank" gnus-server-yank-server t
]
94 ["Copy" gnus-server-copy-server t
]
95 ["Edit" gnus-server-edit-server t
]
96 ["Regenerate" gnus-server-regenerate-server t
]
97 ["Exit" gnus-server-exit t
]))
100 gnus-server-connections-menu gnus-server-mode-map
""
102 ["Open" gnus-server-open-server t
]
103 ["Close" gnus-server-close-server t
]
104 ["Deny" gnus-server-deny-server t
]
106 ["Open All" gnus-server-open-all-servers t
]
107 ["Close All" gnus-server-close-all-servers t
]
108 ["Reset All" gnus-server-remove-denials t
]))
110 (gnus-run-hooks 'gnus-server-menu-hook
)))
112 (defvar gnus-server-mode-map nil
)
113 (put 'gnus-server-mode
'mode-class
'special
)
115 (unless gnus-server-mode-map
116 (setq gnus-server-mode-map
(make-sparse-keymap))
117 (suppress-keymap gnus-server-mode-map
)
119 (gnus-define-keys gnus-server-mode-map
120 " " gnus-server-read-server
121 "\r" gnus-server-read-server
122 gnus-mouse-2 gnus-server-pick-server
124 "l" gnus-server-list-servers
125 "k" gnus-server-kill-server
126 "y" gnus-server-yank-server
127 "c" gnus-server-copy-server
128 "a" gnus-server-add-server
129 "e" gnus-server-edit-server
130 "s" gnus-server-scan-server
132 "O" gnus-server-open-server
133 "\M-o" gnus-server-open-all-servers
134 "C" gnus-server-close-server
135 "\M-c" gnus-server-close-all-servers
136 "D" gnus-server-deny-server
137 "R" gnus-server-remove-denials
142 "g" gnus-server-regenerate-server
144 "\C-c\C-i" gnus-info-find-node
145 "\C-c\C-b" gnus-bug
))
147 (defun gnus-server-mode ()
148 "Major mode for listing and editing servers.
150 All normal editing commands are switched off.
151 \\<gnus-server-mode-map>
152 For more in-depth information on this mode, read the manual
153 (`\\[gnus-info-find-node]').
155 The following commands are available:
157 \\{gnus-server-mode-map}"
159 (when (gnus-visual-p 'server-menu
'menu
)
160 (gnus-server-make-menu-bar))
161 (kill-all-local-variables)
162 (gnus-simplify-mode-line)
163 (setq major-mode
'gnus-server-mode
)
164 (setq mode-name
"Server")
165 (gnus-set-default-directory)
166 (setq mode-line-process nil
)
167 (use-local-map gnus-server-mode-map
)
168 (buffer-disable-undo)
169 (setq truncate-lines t
)
170 (setq buffer-read-only t
)
171 (gnus-run-hooks 'gnus-server-mode-hook
))
173 (defun gnus-server-insert-server-line (gnus-tmp-name method
)
174 (let* ((gnus-tmp-how (car method
))
175 (gnus-tmp-where (nth 1 method
))
176 (elem (assoc method gnus-opened-servers
))
177 (gnus-tmp-status (cond ((eq (nth 1 elem
) 'denied
)
179 ((or (gnus-server-opened method
)
180 (eq (nth 1 elem
) 'ok
))
185 (gnus-add-text-properties
189 (eval gnus-server-line-format-spec
))
190 (list 'gnus-server
(intern gnus-tmp-name
)))))
192 (defun gnus-enter-server-buffer ()
193 "Set up the server buffer."
194 (gnus-server-setup-buffer)
195 (gnus-configure-windows 'server
)
196 (gnus-server-prepare))
198 (defun gnus-server-setup-buffer ()
199 "Initialize the server buffer."
200 (unless (get-buffer gnus-server-buffer
)
202 (set-buffer (gnus-get-buffer-create gnus-server-buffer
))
205 (gnus-carpal-setup-buffer 'server
)))))
207 (defun gnus-server-prepare ()
208 (gnus-set-format 'server-mode
)
209 (gnus-set-format 'server t
)
210 (let ((alist gnus-server-alist
)
211 (buffer-read-only nil
)
212 (opened gnus-opened-servers
)
215 (setq gnus-inserted-opened-servers nil
)
216 ;; First we do the real list of servers.
218 (unless (member (cdar alist
) done
)
219 (push (cdar alist
) done
)
220 (cdr (setq server
(pop alist
)))
221 (when (and server
(car server
) (cdr server
))
222 (gnus-server-insert-server-line (car server
) (cdr server
))))
223 (when (member (cdar alist
) done
)
225 ;; Then we insert the list of servers that have been opened in
228 (when (and (not (member (caar opened
) done
))
229 ;; Just ignore ephemeral servers.
230 (not (member (caar opened
) gnus-ephemeral-servers
)))
231 (push (caar opened
) done
)
232 (gnus-server-insert-server-line
233 (setq op-ser
(format "%s:%s" (caaar opened
) (nth 1 (caar opened
))))
235 (push (list op-ser
(caar opened
)) gnus-inserted-opened-servers
))
236 (setq opened
(cdr opened
))))
237 (goto-char (point-min))
238 (gnus-server-position-point))
240 (defun gnus-server-server-name ()
241 (let ((server (get-text-property (gnus-point-at-bol) 'gnus-server
)))
242 (and server
(symbol-name server
))))
244 (defalias 'gnus-server-position-point
'gnus-goto-colon
)
246 (defconst gnus-server-edit-buffer
"*Gnus edit server*")
248 (defun gnus-server-update-server (server)
250 (set-buffer gnus-server-buffer
)
251 (let* ((buffer-read-only nil
)
252 (entry (assoc server gnus-server-alist
))
253 (oentry (assoc (gnus-server-to-method server
)
254 gnus-opened-servers
)))
257 (concat "(gnus-server-set-info \"" server
"\" '"
258 (prin1-to-string (cdr entry
)) ")\n")))
259 (when (or entry oentry
)
260 ;; Buffer may be narrowed.
263 (when (gnus-server-goto-server server
)
266 (gnus-server-insert-server-line (car entry
) (cdr entry
))
267 (gnus-server-insert-server-line
268 (format "%s:%s" (caar oentry
) (nth 1 (car oentry
)))
270 (gnus-server-position-point))))))
272 (defun gnus-server-set-info (server info
)
273 ;; Enter a select method into the virtual server alist.
274 (when (and server info
)
276 (concat "(gnus-server-set-info \"" server
"\" '"
277 (prin1-to-string info
) ")"))
278 (let* ((server (nth 1 info
))
279 (entry (assoc server gnus-server-alist
)))
280 (if entry
(setcdr entry info
)
281 (setq gnus-server-alist
282 (nconc gnus-server-alist
(list (cons server info
))))))))
284 ;;; Interactive server functions.
286 (defun gnus-server-kill-server (server)
287 "Kill the server on the current line."
288 (interactive (list (gnus-server-server-name)))
289 (unless (gnus-server-goto-server server
)
290 (if server
(error "No such server: %s" server
)
291 (error "No server on the current line")))
292 (unless (assoc server gnus-server-alist
)
293 (error "Read-only server %s" server
))
295 (let ((buffer-read-only nil
))
297 (push (assoc server gnus-server-alist
) gnus-server-killed-servers
)
298 (setq gnus-server-alist
(delq (car gnus-server-killed-servers
)
300 (let ((groups (gnus-groups-from-server server
)))
303 (format "Kill all %s groups from this server? "
305 (dolist (group groups
)
306 (setq gnus-newsrc-alist
307 (delq (assoc group gnus-newsrc-alist
)
309 (when gnus-group-change-level-function
310 (funcall gnus-group-change-level-function
311 group gnus-level-killed
3)))))
312 (gnus-server-position-point))
314 (defun gnus-server-yank-server ()
315 "Yank the previously killed server."
317 (unless gnus-server-killed-servers
318 (error "No killed servers to be yanked"))
319 (let ((alist gnus-server-alist
)
320 (server (gnus-server-server-name))
321 (killed (car gnus-server-killed-servers
)))
323 (setq gnus-server-alist
(nconc gnus-server-alist
(list killed
)))
324 (if (string= server
(caar gnus-server-alist
))
325 (push killed gnus-server-alist
)
326 (while (and (cdr alist
)
327 (not (string= server
(caadr alist
))))
328 (setq alist
(cdr alist
)))
330 (setcdr alist
(cons killed
(cdr alist
)))
331 (setq gnus-server-alist
(list killed
)))))
332 (gnus-server-update-server (car killed
))
333 (setq gnus-server-killed-servers
(cdr gnus-server-killed-servers
))
334 (gnus-server-position-point)))
336 (defun gnus-server-exit ()
337 "Return to the group buffer."
339 (gnus-run-hooks 'gnus-server-exit-hook
)
340 (kill-buffer (current-buffer))
341 (gnus-configure-windows 'group t
))
343 (defun gnus-server-list-servers ()
344 "List all available servers."
346 (let ((cur (gnus-server-server-name)))
347 (gnus-server-prepare)
348 (if cur
(gnus-server-goto-server cur
)
349 (goto-char (point-max))
351 (gnus-server-position-point)))
353 (defun gnus-server-set-status (method status
)
354 "Make METHOD have STATUS."
355 (let ((entry (assoc method gnus-opened-servers
)))
357 (setcar (cdr entry
) status
)
358 (push (list method status
) gnus-opened-servers
))))
360 (defun gnus-opened-servers-remove (method)
361 "Remove METHOD from the list of opened servers."
362 (setq gnus-opened-servers
(delq (assoc method gnus-opened-servers
)
363 gnus-opened-servers
)))
365 (defun gnus-server-open-server (server)
366 "Force an open of SERVER."
367 (interactive (list (gnus-server-server-name)))
368 (let ((method (gnus-server-to-method server
)))
370 (error "No such server: %s" server
))
371 (gnus-server-set-status method
'ok
)
373 (or (gnus-open-server method
)
374 (progn (message "Couldn't open %s" server
) nil
))
375 (gnus-server-update-server server
)
376 (gnus-server-position-point))))
378 (defun gnus-server-open-all-servers ()
381 (let ((servers gnus-inserted-opened-servers
))
383 (gnus-server-open-server (car (pop servers
))))))
385 (defun gnus-server-close-server (server)
387 (interactive (list (gnus-server-server-name)))
388 (let ((method (gnus-server-to-method server
)))
390 (error "No such server: %s" server
))
391 (gnus-server-set-status method
'closed
)
393 (gnus-close-server method
)
394 (gnus-server-update-server server
)
395 (gnus-server-position-point))))
397 (defun gnus-server-close-all-servers ()
400 (let ((servers gnus-inserted-opened-servers
))
402 (gnus-server-close-server (car (pop servers
))))))
404 (defun gnus-server-deny-server (server)
405 "Make sure SERVER will never be attempted opened."
406 (interactive (list (gnus-server-server-name)))
407 (let ((method (gnus-server-to-method server
)))
409 (error "No such server: %s" server
))
410 (gnus-server-set-status method
'denied
))
411 (gnus-server-update-server server
)
412 (gnus-server-position-point)
415 (defun gnus-server-remove-denials ()
416 "Make all denied servers into closed servers."
418 (let ((servers gnus-opened-servers
))
420 (when (eq (nth 1 (car servers
)) 'denied
)
421 (setcar (nthcdr 1 (car servers
)) 'closed
))
422 (setq servers
(cdr servers
))))
423 (gnus-server-list-servers))
425 (defun gnus-server-copy-server (from to
)
428 (or (gnus-server-server-name)
429 (error "No server on the current line"))
430 (read-string "Copy to: ")))
432 (error "No server on current line"))
433 (unless (and to
(not (string= to
"")))
434 (error "No name to copy to"))
435 (when (assoc to gnus-server-alist
)
436 (error "%s already exists" to
))
437 (unless (gnus-server-to-method from
)
438 (error "%s: no such server" from
))
439 (let ((to-entry (cons from
(gnus-copy-sequence
440 (gnus-server-to-method from
)))))
442 (setcar (nthcdr 2 to-entry
) to
)
443 (push to-entry gnus-server-killed-servers
)
444 (gnus-server-yank-server)))
446 (defun gnus-server-add-server (how where
)
448 (list (intern (completing-read "Server method: "
449 gnus-valid-select-methods nil t
))
450 (read-string "Server name: ")))
451 (when (assq where gnus-server-alist
)
452 (error "Server with that name already defined"))
453 (push (list where how where
) gnus-server-killed-servers
)
454 (gnus-server-yank-server))
456 (defun gnus-server-goto-server (server)
457 "Jump to a server line."
459 (list (completing-read "Goto server: " gnus-server-alist nil t
)))
460 (let ((to (text-property-any (point-min) (point-max)
461 'gnus-server
(intern server
))))
464 (gnus-server-position-point))))
466 (defun gnus-server-edit-server (server)
467 "Edit the server on the current line."
468 (interactive (list (gnus-server-server-name)))
470 (error "No server on current line"))
471 (unless (assoc server gnus-server-alist
)
472 (error "This server can't be edited"))
473 (let ((info (cdr (assoc server gnus-server-alist
))))
474 (gnus-close-server info
)
476 info
"Editing the server."
478 (gnus-server-set-info ,server form
)
479 (gnus-server-list-servers)
480 (gnus-server-position-point)))))
482 (defun gnus-server-scan-server (server)
483 "Request a scan from the current server."
484 (interactive (list (gnus-server-server-name)))
485 (let ((method (gnus-server-to-method server
)))
486 (if (not (gnus-get-function method
'request-scan
))
487 (error "Server %s can't scan" (car method
))
488 (gnus-message 3 "Scanning %s..." server
)
489 (gnus-request-scan nil method
)
490 (gnus-message 3 "Scanning %s...done" server
))))
492 (defun gnus-server-read-server (server)
494 (interactive (list (gnus-server-server-name)))
495 (let ((buf (current-buffer)))
497 (gnus-browse-foreign-server server buf
)
500 (gnus-server-update-server (gnus-server-server-name))
501 (gnus-server-position-point)))))
503 (defun gnus-server-pick-server (e)
506 (gnus-server-read-server (gnus-server-server-name)))
510 ;;; Browse Server Mode
513 (defvar gnus-browse-menu-hook nil
514 "*Hook run after the creation of the browse mode menu.")
516 (defvar gnus-browse-mode-hook nil
)
517 (defvar gnus-browse-mode-map nil
)
518 (put 'gnus-browse-mode
'mode-class
'special
)
520 (unless gnus-browse-mode-map
521 (setq gnus-browse-mode-map
(make-keymap))
522 (suppress-keymap gnus-browse-mode-map
)
526 " " gnus-browse-read-group
527 "=" gnus-browse-select-group
528 "n" gnus-browse-next-group
529 "p" gnus-browse-prev-group
530 "\177" gnus-browse-prev-group
531 [delete] gnus-browse-prev-group
532 "N" gnus-browse-next-group
533 "P" gnus-browse-prev-group
534 "\M-n" gnus-browse-next-group
535 "\M-p" gnus-browse-prev-group
536 "\r" gnus-browse-select-group
537 "u" gnus-browse-unsubscribe-current-group
542 "\C-c\C-c" gnus-browse-exit
543 "?" gnus-browse-describe-briefly
545 "\C-c\C-i" gnus-info-find-node
546 "\C-c\C-b" gnus-bug))
548 (defun gnus-browse-make-menu-bar ()
549 (gnus-turn-off-edit-menu 'browse)
550 (unless (boundp 'gnus-browse-menu)
552 gnus-browse-menu gnus-browse-mode-map ""
554 ["Subscribe" gnus-browse-unsubscribe-current-group t]
555 ["Read" gnus-browse-read-group t]
556 ["Select" gnus-browse-select-group t]
557 ["Next" gnus-browse-next-group t]
558 ["Prev" gnus-browse-next-group t]
559 ["Exit" gnus-browse-exit t]))
560 (gnus-run-hooks 'gnus-browse-menu-hook)))
562 (defvar gnus-browse-current-method nil)
563 (defvar gnus-browse-return-buffer nil)
565 (defvar gnus-browse-buffer "*Gnus Browse Server*")
567 (defun gnus-browse-foreign-server (server &optional return-buffer)
568 "Browse the server SERVER."
569 (setq gnus-browse-current-method (gnus-server-to-method server))
570 (setq gnus-browse-return-buffer return-buffer)
571 (let* ((method gnus-browse-current-method)
572 (gnus-select-method method)
574 (gnus-message 5 "Connecting to %s..." (nth 1 method))
576 ((not (gnus-check-server method))
578 1 "Unable to contact server %s: %s" (nth 1 method)
579 (gnus-status-message method))
583 (gnus-message 6 "Reading active file...")
584 (gnus-request-list method)
585 (gnus-message 6 "Reading active file...done")))
587 1 "Couldn't request list: %s" (gnus-status-message method))
590 (gnus-get-buffer-create gnus-browse-buffer)
592 (gnus-carpal-setup-buffer 'browse))
593 (gnus-configure-windows 'browse)
594 (buffer-disable-undo)
595 (let ((buffer-read-only nil))
598 (setq mode-line-buffer-identification
601 "Gnus: %%b {%s:%s}" (car method) (cadr method))))
603 (set-buffer nntp-server-buffer)
604 (let ((cur (current-buffer)))
605 (goto-char (point-min))
606 (unless (string= gnus-ignored-newsgroups "")
607 (delete-matching-lines gnus-ignored-newsgroups))
611 (if (eq (char-after) ?\")
613 (let ((p (point)) (name ""))
614 (skip-chars-forward "^ \t\\\\")
615 (setq name (buffer-substring p (point)))
616 (while (eq (char-after) ?\\)
617 (setq p (1+ (point)))
619 (skip-chars-forward "^ \t\\\\")
620 (setq name (concat name (buffer-substring
623 (max 0 (- (1+ (read cur)) (read cur))))
626 (setq groups (sort groups
628 (string< (car l1) (car l2)))))
629 (let ((buffer-read-only nil) charset)
631 (setq group (car groups))
632 (setq charset (gnus-group-name-charset method group))
633 (gnus-add-text-properties
637 (format "K%7d: %s\n" (cdr group)
638 (gnus-group-name-decode (car group) charset))))
639 (list 'gnus-group (car group)))
640 (setq groups (cdr groups))))
641 (switch-to-buffer (current-buffer))
642 (goto-char (point-min))
643 (gnus-group-position-point)
644 (gnus-message 5 "Connecting to %s...done" (nth 1 method))
647 (defun gnus-browse-mode ()
648 "Major mode for browsing a foreign server.
650 All normal editing commands are switched off.
652 \\<gnus-browse-mode-map>
653 The only things you can do in this buffer is
655 1) `\\[gnus-browse-unsubscribe-current-group]' to subscribe to a group.
656 The group will be inserted into the group buffer upon exit from this
659 2) `\\[gnus-browse-read-group]' to read a group ephemerally.
661 3) `\\[gnus-browse-exit]' to return to the group buffer."
663 (kill-all-local-variables)
664 (when (gnus-visual-p 'browse-menu 'menu)
665 (gnus-browse-make-menu-bar))
666 (gnus-simplify-mode-line)
667 (setq major-mode 'gnus-browse-mode)
668 (setq mode-name "Browse Server")
669 (setq mode-line-process nil)
670 (use-local-map gnus-browse-mode-map)
671 (buffer-disable-undo)
672 (setq truncate-lines t)
673 (gnus-set-default-directory)
674 (setq buffer-read-only t)
675 (gnus-run-hooks 'gnus-browse-mode-hook))
677 (defun gnus-browse-read-group (&optional no-article)
678 "Enter the group at the current line."
680 (let ((group (gnus-browse-group-name)))
681 (if (or (not (gnus-get-info group))
682 (gnus-ephemeral-group-p group))
683 (unless (gnus-group-read-ephemeral-group
684 (gnus-group-real-name group) gnus-browse-current-method nil
685 (cons (current-buffer) 'browse))
686 (error "Couldn't enter %s" group))
687 (unless (gnus-group-read-group nil no-article group)
688 (error "Couldn't enter %s" group)))))
690 (defun gnus-browse-select-group ()
691 "Select the current group."
693 (gnus-browse-read-group 'no))
695 (defun gnus-browse-next-group (n)
696 "Go to the next group."
700 (gnus-group-position-point)))
702 (defun gnus-browse-prev-group (n)
703 "Go to the next group."
705 (gnus-browse-next-group (- n)))
707 (defun gnus-browse-unsubscribe-current-group (arg)
708 "(Un)subscribe to the next ARG groups."
711 (error "No group at current line"))
712 (let ((ward (if (< arg 0) -1 1))
714 (while (and (> arg 0)
716 (gnus-browse-unsubscribe-group)
717 (zerop (gnus-browse-next-group ward)))
719 (gnus-group-position-point)
721 (gnus-message 7 "No more newsgroups"))
724 (defun gnus-browse-group-name ()
727 (let ((name (get-text-property (point) 'gnus-group)))
728 (when (re-search-forward ": \\(.*\\)$" (gnus-point-at-eol) t)
729 (gnus-group-prefixed-name
731 (match-string-no-properties 1))
732 gnus-browse-current-method)))))
734 (defun gnus-browse-unsubscribe-group ()
735 "Toggle subscription of the current group in the browse buffer."
737 (buffer-read-only nil)
741 ;; If this group it killed, then we want to subscribe it.
742 (when (eq (char-after) ?K)
744 (setq group (gnus-browse-group-name))
746 (cadr (gnus-gethash group gnus-newsrc-hashtb)))
747 (error "Group already subscribed"))
751 ;; Make sure the group has been properly removed before we
753 (gnus-kill-ephemeral-group group)
754 (gnus-group-change-level
755 (list t group gnus-level-default-subscribed
756 nil nil (if (gnus-server-equal
757 gnus-browse-current-method "native")
759 (gnus-method-simplify
760 gnus-browse-current-method)))
761 gnus-level-default-subscribed gnus-level-killed
762 (and (car (nth 1 gnus-newsrc-alist))
763 (gnus-gethash (car (nth 1 gnus-newsrc-alist))
767 (gnus-group-change-level
768 group gnus-level-killed gnus-level-default-subscribed)
772 (defun gnus-browse-exit ()
773 "Quit browsing and return to the group buffer."
775 (when (eq major-mode 'gnus-browse-mode)
776 (kill-buffer (current-buffer)))
777 ;; Insert the newly subscribed groups in the group buffer.
779 (set-buffer gnus-group-buffer)
780 (gnus-group-list-groups nil))
781 (if gnus-browse-return-buffer
782 (gnus-configure-windows 'server 'force)
783 (gnus-configure-windows 'group 'force)))
785 (defun gnus-browse-describe-briefly ()
786 "Give a one line description of the group mode commands."
789 (substitute-command-keys "\\<gnus-browse-mode-map>\\[gnus-group-next-group]:Forward \\[gnus-group-prev-group]:Backward \\[gnus-browse-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-browse-describe-briefly]:This help")))
791 (defun gnus-server-regenerate-server ()
792 "Issue a command to the server to regenerate all its data structures."
794 (let ((server (gnus-server-server-name)))
796 (error "No server on the current line"))
797 (if (not (gnus-check-backend-function
798 'request-regenerate (car (gnus-server-to-method server))))
799 (error "This backend doesn't support regeneration")
800 (gnus-message 5 "Requesting regeneration of %s..." server)
801 (unless (gnus-open-server server)
802 (error "Couldn't open server"))
803 (if (gnus-request-regenerate server)
804 (gnus-message 5 "Requesting regeneration of %s...done" server)
805 (gnus-message 5 "Couldn't regenerate %s" server)))))
809 ;;; gnus-srvr.el ends here.