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41487370 | 1 | ;;; nnmh.el --- mhspool access for Gnus |
231f989b | 2 | ;; Copyright (C) 1995,96 Free Software Foundation, Inc. |
41487370 LMI |
3 | |
4 | ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no> | |
5 | ;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet> | |
6 | ;; Keywords: news, mail | |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
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) | |
13 | ;; any later version. | |
14 | ||
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. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
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. | |
41487370 LMI |
24 | |
25 | ;;; Commentary: | |
26 | ||
27 | ;; Based on nnspool.el by Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>. | |
28 | ;; For an overview of what the interface functions do, please see the | |
29 | ;; Gnus sources. | |
30 | ||
31 | ;;; Code: | |
32 | ||
33 | (require 'nnheader) | |
41487370 LMI |
34 | (require 'nnmail) |
35 | (require 'gnus) | |
231f989b LMI |
36 | (require 'nnoo) |
37 | (eval-and-compile (require 'cl)) | |
38 | ||
39 | (nnoo-declare nnmh) | |
41487370 | 40 | |
231f989b | 41 | (defvoo nnmh-directory message-directory |
41487370 LMI |
42 | "*Mail spool directory.") |
43 | ||
231f989b | 44 | (defvoo nnmh-get-new-mail t |
41487370 LMI |
45 | "*If non-nil, nnmh will check the incoming mail file and split the mail.") |
46 | ||
231f989b | 47 | (defvoo nnmh-prepare-save-mail-hook nil |
41487370 LMI |
48 | "*Hook run narrowed to an article before saving.") |
49 | ||
231f989b | 50 | (defvoo nnmh-be-safe nil |
41487370 LMI |
51 | "*If non-nil, nnmh will check all articles to make sure whether they are new or not.") |
52 | ||
53 | \f | |
54 | ||
55 | (defconst nnmh-version "nnmh 1.0" | |
56 | "nnmh version.") | |
57 | ||
231f989b | 58 | (defvoo nnmh-current-directory nil |
41487370 LMI |
59 | "Current news group directory.") |
60 | ||
231f989b LMI |
61 | (defvoo nnmh-status-string "") |
62 | (defvoo nnmh-group-alist nil) | |
41487370 LMI |
63 | |
64 | \f | |
65 | ||
66 | ;;; Interface functions. | |
67 | ||
231f989b LMI |
68 | (nnoo-define-basics nnmh) |
69 | ||
70 | (deffoo nnmh-retrieve-headers (articles &optional newsgroup server fetch-old) | |
41487370 LMI |
71 | (save-excursion |
72 | (set-buffer nntp-server-buffer) | |
73 | (erase-buffer) | |
74 | (let* ((file nil) | |
231f989b | 75 | (number (length articles)) |
41487370 LMI |
76 | (large (and (numberp nnmail-large-newsgroup) |
77 | (> number nnmail-large-newsgroup))) | |
78 | (count 0) | |
79 | beg article) | |
231f989b LMI |
80 | (nnmh-possibly-change-directory newsgroup server) |
81 | ;; We don't support fetching by Message-ID. | |
82 | (if (stringp (car articles)) | |
41487370 | 83 | 'headers |
231f989b LMI |
84 | (while articles |
85 | (when (and (file-exists-p | |
86 | (setq file (concat (file-name-as-directory | |
87 | nnmh-current-directory) | |
88 | (int-to-string | |
89 | (setq article (pop articles)))))) | |
90 | (not (file-directory-p file))) | |
91 | (insert (format "221 %d Article retrieved.\n" article)) | |
92 | (setq beg (point)) | |
93 | (nnheader-insert-head file) | |
94 | (goto-char beg) | |
95 | (if (search-forward "\n\n" nil t) | |
96 | (forward-char -1) | |
97 | (goto-char (point-max)) | |
98 | (insert "\n\n")) | |
99 | (insert ".\n") | |
100 | (delete-region (point) (point-max))) | |
41487370 LMI |
101 | (setq count (1+ count)) |
102 | ||
103 | (and large | |
104 | (zerop (% count 20)) | |
105 | (message "nnmh: Receiving headers... %d%%" | |
106 | (/ (* count 100) number)))) | |
107 | ||
108 | (and large (message "nnmh: Receiving headers...done")) | |
109 | ||
231f989b | 110 | (nnheader-fold-continuation-lines) |
41487370 LMI |
111 | 'headers)))) |
112 | ||
231f989b LMI |
113 | (deffoo nnmh-open-server (server &optional defs) |
114 | (nnoo-change-server 'nnmh server defs) | |
115 | (when (not (file-exists-p nnmh-directory)) | |
116 | (condition-case () | |
117 | (make-directory nnmh-directory t) | |
118 | (error t))) | |
119 | (cond | |
120 | ((not (file-exists-p nnmh-directory)) | |
121 | (nnmh-close-server) | |
122 | (nnheader-report 'nnmh "Couldn't create directory: %s" nnmh-directory)) | |
123 | ((not (file-directory-p (file-truename nnmh-directory))) | |
124 | (nnmh-close-server) | |
125 | (nnheader-report 'nnmh "Not a directory: %s" nnmh-directory)) | |
126 | (t | |
127 | (nnheader-report 'nnmh "Opened server %s using directory %s" | |
128 | server nnmh-directory) | |
129 | t))) | |
130 | ||
131 | (deffoo nnmh-request-article (id &optional newsgroup server buffer) | |
132 | (nnmh-possibly-change-directory newsgroup server) | |
41487370 LMI |
133 | (let ((file (if (stringp id) |
134 | nil | |
135 | (concat nnmh-current-directory (int-to-string id)))) | |
136 | (nntp-server-buffer (or buffer nntp-server-buffer))) | |
137 | (and (stringp file) | |
138 | (file-exists-p file) | |
139 | (not (file-directory-p file)) | |
231f989b LMI |
140 | (save-excursion (nnmail-find-file file)) |
141 | (string-to-int (file-name-nondirectory file))))) | |
41487370 | 142 | |
231f989b LMI |
143 | (deffoo nnmh-request-group (group &optional server dont-check) |
144 | (let ((pathname (nnmail-group-pathname group nnmh-directory)) | |
41487370 | 145 | dir) |
231f989b LMI |
146 | (cond |
147 | ((not (file-directory-p pathname)) | |
148 | (nnheader-report | |
149 | 'nnmh "Can't select group (no such directory): %s" group)) | |
150 | (t | |
151 | (setq nnmh-current-directory pathname) | |
152 | (and nnmh-get-new-mail | |
153 | nnmh-be-safe | |
154 | (nnmh-update-gnus-unreads group)) | |
155 | (cond | |
156 | (dont-check | |
157 | (nnheader-report 'nnmh "Selected group %s" group) | |
158 | t) | |
159 | (t | |
c4c7f54c LMI |
160 | ;; Re-scan the directory if it's on a foreign system. |
161 | (nnheader-re-read-dir pathname) | |
231f989b LMI |
162 | (setq dir |
163 | (sort | |
164 | (mapcar (lambda (name) (string-to-int name)) | |
165 | (directory-files pathname nil "^[0-9]+$" t)) | |
166 | '<)) | |
167 | (cond | |
168 | (dir | |
169 | (nnheader-report 'nnmh "Selected group %s" group) | |
170 | (nnheader-insert | |
171 | "211 %d %d %d %s\n" (length dir) (car dir) | |
172 | (progn (while (cdr dir) (setq dir (cdr dir))) (car dir)) | |
173 | group)) | |
174 | (t | |
175 | (nnheader-report 'nnmh "Empty group %s" group) | |
176 | (nnheader-insert (format "211 0 1 0 %s\n" group)))))))))) | |
177 | ||
178 | (deffoo nnmh-request-scan (&optional group server) | |
179 | (nnmail-get-new-mail 'nnmh nil nnmh-directory group)) | |
180 | ||
181 | (deffoo nnmh-request-list (&optional server dir) | |
182 | (nnheader-insert "") | |
183 | (let ((nnmh-toplev | |
184 | (or dir (file-truename (file-name-as-directory nnmh-directory))))) | |
185 | (nnmh-request-list-1 nnmh-toplev)) | |
186 | (setq nnmh-group-alist (nnmail-get-active)) | |
187 | t) | |
188 | ||
189 | (defvar nnmh-toplev) | |
190 | (defun nnmh-request-list-1 (dir) | |
41487370 LMI |
191 | (setq dir (expand-file-name dir)) |
192 | ;; Recurse down all directories. | |
193 | (let ((dirs (and (file-readable-p dir) | |
194 | (> (nth 1 (file-attributes (file-chase-links dir))) 2) | |
231f989b LMI |
195 | (directory-files dir t nil t))) |
196 | dir) | |
197 | ;; Recurse down directories. | |
198 | (while (setq dir (pop dirs)) | |
199 | (when (and (not (member (file-name-nondirectory dir) '("." ".."))) | |
200 | (file-directory-p dir) | |
201 | (file-readable-p dir)) | |
202 | (nnmh-request-list-1 dir)))) | |
41487370 | 203 | ;; For each directory, generate an active file line. |
231f989b LMI |
204 | (unless (string= (expand-file-name nnmh-toplev) dir) |
205 | (let ((files (mapcar | |
206 | (lambda (name) (string-to-int name)) | |
207 | (directory-files dir nil "^[0-9]+$" t)))) | |
208 | (when files | |
209 | (save-excursion | |
210 | (set-buffer nntp-server-buffer) | |
211 | (goto-char (point-max)) | |
212 | (insert | |
213 | (format | |
214 | "%s %d %d y\n" | |
215 | (progn | |
216 | (string-match | |
217 | (regexp-quote | |
218 | (file-truename (file-name-as-directory | |
219 | (expand-file-name nnmh-toplev)))) dir) | |
220 | (nnheader-replace-chars-in-string | |
221 | (substring dir (match-end 0)) ?/ ?.)) | |
222 | (apply 'max files) | |
223 | (apply 'min files))))))) | |
41487370 LMI |
224 | t) |
225 | ||
231f989b | 226 | (deffoo nnmh-request-newgroups (date &optional server) |
41487370 LMI |
227 | (nnmh-request-list server)) |
228 | ||
231f989b LMI |
229 | (deffoo nnmh-request-expire-articles (articles newsgroup &optional server force) |
230 | (nnmh-possibly-change-directory newsgroup server) | |
231 | (let* ((active-articles | |
41487370 LMI |
232 | (mapcar |
233 | (function | |
234 | (lambda (name) | |
235 | (string-to-int name))) | |
236 | (directory-files nnmh-current-directory nil "^[0-9]+$" t))) | |
41487370 LMI |
237 | (is-old t) |
238 | article rest mod-time) | |
239 | (nnmail-activate 'nnmh) | |
240 | ||
241 | (while (and articles is-old) | |
242 | (setq article (concat nnmh-current-directory | |
243 | (int-to-string (car articles)))) | |
244 | (if (setq mod-time (nth 5 (file-attributes article))) | |
231f989b LMI |
245 | (if (and (nnmh-deletable-article-p newsgroup (car articles)) |
246 | (setq is-old | |
247 | (nnmail-expired-article-p newsgroup mod-time force))) | |
41487370 | 248 | (progn |
231f989b LMI |
249 | (nnheader-message 5 "Deleting article %s in %s..." |
250 | article newsgroup) | |
41487370 | 251 | (condition-case () |
231f989b | 252 | (funcall nnmail-delete-file-function article) |
41487370 | 253 | (file-error |
231f989b LMI |
254 | (nnheader-message 1 "Couldn't delete article %s in %s" |
255 | article newsgroup) | |
41487370 LMI |
256 | (setq rest (cons (car articles) rest))))) |
257 | (setq rest (cons (car articles) rest)))) | |
258 | (setq articles (cdr articles))) | |
259 | (message "") | |
260 | (nconc rest articles))) | |
261 | ||
231f989b | 262 | (deffoo nnmh-close-group (group &optional server) |
41487370 LMI |
263 | t) |
264 | ||
231f989b | 265 | (deffoo nnmh-request-move-article |
41487370 LMI |
266 | (article group server accept-form &optional last) |
267 | (let ((buf (get-buffer-create " *nnmh move*")) | |
268 | result) | |
269 | (and | |
231f989b | 270 | (nnmh-deletable-article-p group article) |
41487370 LMI |
271 | (nnmh-request-article article group server) |
272 | (save-excursion | |
273 | (set-buffer buf) | |
274 | (insert-buffer-substring nntp-server-buffer) | |
275 | (setq result (eval accept-form)) | |
276 | (kill-buffer (current-buffer)) | |
277 | result) | |
231f989b LMI |
278 | (progn |
279 | (nnmh-possibly-change-directory group server) | |
280 | (condition-case () | |
281 | (funcall nnmail-delete-file-function | |
282 | (concat nnmh-current-directory (int-to-string article))) | |
283 | (file-error nil)))) | |
41487370 LMI |
284 | result)) |
285 | ||
231f989b LMI |
286 | (deffoo nnmh-request-accept-article (group &optional server last noinsert) |
287 | (nnmh-possibly-change-directory group server) | |
288 | (nnmail-check-syntax) | |
41487370 LMI |
289 | (if (stringp group) |
290 | (and | |
291 | (nnmail-activate 'nnmh) | |
292 | ;; We trick the choosing function into believing that only one | |
a7acbbe4 | 293 | ;; group is available. |
41487370 | 294 | (let ((nnmail-split-methods (list (list group "")))) |
231f989b | 295 | (car (nnmh-save-mail noinsert)))) |
41487370 LMI |
296 | (and |
297 | (nnmail-activate 'nnmh) | |
231f989b | 298 | (car (nnmh-save-mail noinsert))))) |
41487370 | 299 | |
231f989b | 300 | (deffoo nnmh-request-replace-article (article group buffer) |
41487370 LMI |
301 | (nnmh-possibly-change-directory group) |
302 | (save-excursion | |
303 | (set-buffer buffer) | |
304 | (nnmh-possibly-create-directory group) | |
305 | (condition-case () | |
306 | (progn | |
231f989b LMI |
307 | (write-region |
308 | (point-min) (point-max) | |
309 | (concat nnmh-current-directory (int-to-string article)) | |
310 | nil (if (nnheader-be-verbose 5) nil 'nomesg)) | |
41487370 LMI |
311 | t) |
312 | (error nil)))) | |
313 | ||
231f989b LMI |
314 | (deffoo nnmh-request-create-group (group &optional server) |
315 | (nnmail-activate 'nnmh) | |
316 | (or (assoc group nnmh-group-alist) | |
317 | (let (active) | |
318 | (setq nnmh-group-alist (cons (list group (setq active (cons 1 0))) | |
319 | nnmh-group-alist)) | |
320 | (nnmh-possibly-create-directory group) | |
321 | (nnmh-possibly-change-directory group server) | |
322 | (let ((articles (mapcar | |
323 | (lambda (file) | |
324 | (string-to-int file)) | |
325 | (directory-files | |
326 | nnmh-current-directory nil "^[0-9]+$")))) | |
327 | (and articles | |
328 | (progn | |
329 | (setcar active (apply 'min articles)) | |
330 | (setcdr active (apply 'max articles))))))) | |
331 | t) | |
332 | ||
333 | (deffoo nnmh-request-delete-group (group &optional force server) | |
334 | (nnmh-possibly-change-directory group server) | |
335 | ;; Delete all articles in GROUP. | |
336 | (if (not force) | |
337 | () ; Don't delete the articles. | |
338 | (let ((articles (directory-files nnmh-current-directory t "^[0-9]+$"))) | |
339 | (while articles | |
340 | (and (file-writable-p (car articles)) | |
341 | (progn | |
342 | (nnheader-message 5 "Deleting article %s in %s..." | |
343 | (car articles) group) | |
344 | (funcall nnmail-delete-file-function (car articles)))) | |
345 | (setq articles (cdr articles)))) | |
346 | ;; Try to delete the directory itself. | |
347 | (condition-case () | |
348 | (delete-directory nnmh-current-directory) | |
349 | (error nil))) | |
350 | ;; Remove the group from all structures. | |
351 | (setq nnmh-group-alist | |
352 | (delq (assoc group nnmh-group-alist) nnmh-group-alist) | |
353 | nnmh-current-directory nil) | |
354 | t) | |
355 | ||
356 | (deffoo nnmh-request-rename-group (group new-name &optional server) | |
357 | (nnmh-possibly-change-directory group server) | |
358 | ;; Rename directory. | |
359 | (and (file-writable-p nnmh-current-directory) | |
360 | (condition-case () | |
361 | (progn | |
362 | (rename-file | |
363 | (directory-file-name nnmh-current-directory) | |
364 | (directory-file-name | |
365 | (nnmail-group-pathname new-name nnmh-directory))) | |
366 | t) | |
367 | (error nil)) | |
368 | ;; That went ok, so we change the internal structures. | |
369 | (let ((entry (assoc group nnmh-group-alist))) | |
370 | (and entry (setcar entry new-name)) | |
371 | (setq nnmh-current-directory nil) | |
372 | t))) | |
373 | ||
41487370 LMI |
374 | \f |
375 | ;;; Internal functions. | |
376 | ||
231f989b LMI |
377 | (defun nnmh-possibly-change-directory (newsgroup &optional server) |
378 | (when (and server | |
379 | (not (nnmh-server-opened server))) | |
380 | (nnmh-open-server server)) | |
41487370 | 381 | (if newsgroup |
231f989b | 382 | (let ((pathname (nnmail-group-pathname newsgroup nnmh-directory))) |
41487370 LMI |
383 | (if (file-directory-p pathname) |
384 | (setq nnmh-current-directory pathname) | |
385 | (error "No such newsgroup: %s" newsgroup))))) | |
386 | ||
387 | (defun nnmh-possibly-create-directory (group) | |
388 | (let (dir dirs) | |
231f989b | 389 | (setq dir (nnmail-group-pathname group nnmh-directory)) |
41487370 LMI |
390 | (while (not (file-directory-p dir)) |
391 | (setq dirs (cons dir dirs)) | |
392 | (setq dir (file-name-directory (directory-file-name dir)))) | |
393 | (while dirs | |
394 | (if (make-directory (directory-file-name (car dirs))) | |
395 | (error "Could not create directory %s" (car dirs))) | |
231f989b | 396 | (nnheader-message 5 "Creating mail directory %s" (car dirs)) |
41487370 LMI |
397 | (setq dirs (cdr dirs))))) |
398 | ||
231f989b | 399 | (defun nnmh-save-mail (&optional noinsert) |
41487370 LMI |
400 | "Called narrowed to an article." |
401 | (let ((group-art (nreverse (nnmail-article-group 'nnmh-active-number)))) | |
231f989b LMI |
402 | (unless noinsert |
403 | (nnmail-insert-lines) | |
404 | (nnmail-insert-xref group-art)) | |
405 | (run-hooks 'nnmail-prepare-save-mail-hook) | |
41487370 LMI |
406 | (run-hooks 'nnmh-prepare-save-mail-hook) |
407 | (goto-char (point-min)) | |
408 | (while (looking-at "From ") | |
409 | (replace-match "X-From-Line: ") | |
410 | (forward-line 1)) | |
411 | ;; We save the article in all the newsgroups it belongs in. | |
412 | (let ((ga group-art) | |
413 | first) | |
414 | (while ga | |
231f989b LMI |
415 | (nnmh-possibly-create-directory (caar ga)) |
416 | (let ((file (concat (nnmail-group-pathname | |
417 | (caar ga) nnmh-directory) | |
418 | (int-to-string (cdar ga))))) | |
41487370 LMI |
419 | (if first |
420 | ;; It was already saved, so we just make a hard link. | |
231f989b | 421 | (funcall nnmail-crosspost-link-function first file t) |
41487370 LMI |
422 | ;; Save the article. |
423 | (write-region (point-min) (point-max) file nil nil) | |
424 | (setq first file))) | |
425 | (setq ga (cdr ga)))) | |
426 | group-art)) | |
427 | ||
428 | (defun nnmh-active-number (group) | |
429 | "Compute the next article number in GROUP." | |
231f989b | 430 | (let ((active (cadr (assoc group nnmh-group-alist)))) |
41487370 LMI |
431 | ;; The group wasn't known to nnmh, so we just create an active |
432 | ;; entry for it. | |
433 | (or active | |
434 | (progn | |
435 | (setq active (cons 1 0)) | |
436 | (setq nnmh-group-alist (cons (list group active) nnmh-group-alist)))) | |
437 | (setcdr active (1+ (cdr active))) | |
438 | (while (file-exists-p | |
231f989b | 439 | (concat (nnmail-group-pathname group nnmh-directory) |
41487370 LMI |
440 | (int-to-string (cdr active)))) |
441 | (setcdr active (1+ (cdr active)))) | |
442 | (cdr active))) | |
443 | ||
41487370 LMI |
444 | (defun nnmh-update-gnus-unreads (group) |
445 | ;; Go through the .nnmh-articles file and compare with the actual | |
446 | ;; articles in this folder. The articles that are "new" will be | |
447 | ;; marked as unread by Gnus. | |
448 | (let* ((dir nnmh-current-directory) | |
449 | (files (sort (mapcar (function (lambda (name) (string-to-int name))) | |
450 | (directory-files nnmh-current-directory | |
451 | nil "^[0-9]+$" t)) '<)) | |
452 | (nnmh-file (concat dir ".nnmh-articles")) | |
453 | new articles) | |
454 | ;; Load the .nnmh-articles file. | |
455 | (if (file-exists-p nnmh-file) | |
456 | (setq articles | |
457 | (let (nnmh-newsgroup-articles) | |
458 | (condition-case nil (load nnmh-file nil t t) (error nil)) | |
459 | nnmh-newsgroup-articles))) | |
460 | ;; Add all new articles to the `new' list. | |
461 | (let ((art files)) | |
462 | (while art | |
463 | (if (not (assq (car art) articles)) (setq new (cons (car art) new))) | |
464 | (setq art (cdr art)))) | |
465 | ;; Remove all deleted articles. | |
466 | (let ((art articles)) | |
467 | (while art | |
231f989b | 468 | (if (not (memq (caar art) files)) |
41487370 LMI |
469 | (setq articles (delq (car art) articles))) |
470 | (setq art (cdr art)))) | |
471 | ;; Check whether the highest-numbered articles really are the ones | |
472 | ;; that Gnus thinks they are by looking at the time-stamps. | |
473 | (let ((art articles)) | |
474 | (while (and art | |
475 | (not (equal | |
476 | (nth 5 (file-attributes | |
231f989b LMI |
477 | (concat dir (int-to-string (caar art))))) |
478 | (cdar art)))) | |
41487370 | 479 | (setq articles (delq (car art) articles)) |
231f989b | 480 | (setq new (cons (caar art) new)) |
41487370 LMI |
481 | (setq art (cdr art)))) |
482 | ;; Go through all the new articles and add them, and their | |
483 | ;; time-stamps to the list. | |
484 | (let ((n new)) | |
485 | (while n | |
486 | (setq articles | |
487 | (cons (cons | |
488 | (car n) | |
489 | (nth 5 (file-attributes | |
490 | (concat dir (int-to-string (car n)))))) | |
491 | articles)) | |
492 | (setq n (cdr n)))) | |
493 | ;; Make Gnus mark all new articles as unread. | |
494 | (or (zerop (length new)) | |
495 | (gnus-make-articles-unread | |
496 | (gnus-group-prefixed-name group (list 'nnmh "")) | |
497 | (setq new (sort new '<)))) | |
498 | ;; Sort the article list with highest numbers first. | |
499 | (setq articles (sort articles (lambda (art1 art2) | |
500 | (> (car art1) (car art2))))) | |
501 | ;; Finally write this list back to the .nnmh-articles file. | |
502 | (save-excursion | |
503 | (set-buffer (get-buffer-create "*nnmh out*")) | |
504 | (insert ";; Gnus article active file for " group "\n\n") | |
505 | (insert "(setq nnmh-newsgroup-articles '") | |
506 | (insert (prin1-to-string articles) ")\n") | |
507 | (write-region (point-min) (point-max) nnmh-file nil 'nomesg) | |
508 | (kill-buffer (current-buffer))))) | |
509 | ||
231f989b LMI |
510 | (defun nnmh-deletable-article-p (group article) |
511 | "Say whether ARTICLE in GROUP can be deleted." | |
512 | (let ((path (concat nnmh-current-directory (int-to-string article)))) | |
513 | (and (file-writable-p path) | |
514 | (or (not nnmail-keep-last-article) | |
515 | (not (eq (cdr (nth 1 (assoc group nnmh-group-alist))) | |
516 | article)))))) | |
517 | ||
41487370 LMI |
518 | (provide 'nnmh) |
519 | ||
520 | ;;; nnmh.el ends here |