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eec82323 | 1 | ;;; gnus-cache.el --- cache interface for Gnus |
e84b4b86 | 2 | |
91472578 | 3 | ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
49f70d46 | 4 | ;; 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. |
eec82323 | 5 | |
6748645f | 6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
eec82323 LMI |
7 | ;; Keywords: news |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
5e809f55 | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
eec82323 | 12 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
eec82323 LMI |
15 | |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
eec82323 LMI |
23 | |
24 | ;;; Commentary: | |
25 | ||
26 | ;;; Code: | |
27 | ||
cef98b13 GM |
28 | ;; For Emacs < 22.2. |
29 | (eval-and-compile | |
30 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) | |
31 | ||
7df7482d RS |
32 | (eval-when-compile (require 'cl)) |
33 | ||
eec82323 | 34 | (require 'gnus) |
cef98b13 GM |
35 | (require 'gnus-sum) |
36 | ||
eec82323 | 37 | (eval-when-compile |
01c52d31 | 38 | (unless (fboundp 'gnus-agent-load-alist) |
cef98b13 | 39 | (defun gnus-agent-load-alist (group)))) |
eec82323 | 40 | |
eec82323 | 41 | (defcustom gnus-cache-active-file |
6ab8077a | 42 | (expand-file-name "active" gnus-cache-directory) |
eec82323 LMI |
43 | "*The cache active file." |
44 | :group 'gnus-cache | |
45 | :type 'file) | |
46 | ||
47 | (defcustom gnus-cache-enter-articles '(ticked dormant) | |
48 | "Classes of articles to enter into the cache." | |
49 | :group 'gnus-cache | |
50 | :type '(set (const ticked) (const dormant) (const unread) (const read))) | |
51 | ||
52 | (defcustom gnus-cache-remove-articles '(read) | |
53 | "Classes of articles to remove from the cache." | |
54 | :group 'gnus-cache | |
55 | :type '(set (const ticked) (const dormant) (const unread) (const read))) | |
56 | ||
6748645f LMI |
57 | (defcustom gnus-cacheable-groups nil |
58 | "*Groups that match this regexp will be cached. | |
59 | ||
60 | If you only want to cache your nntp groups, you could set this | |
61 | variable to \"^nntp\". | |
62 | ||
63 | If a group matches both gnus-cacheable-groups and gnus-uncacheable-groups | |
64 | it's not cached." | |
65 | :group 'gnus-cache | |
66 | :type '(choice (const :tag "off" nil) | |
16409b0b | 67 | regexp)) |
6748645f | 68 | |
eec82323 LMI |
69 | (defcustom gnus-uncacheable-groups nil |
70 | "*Groups that match this regexp will not be cached. | |
71 | ||
72 | If you want to avoid caching your nnml groups, you could set this | |
6748645f LMI |
73 | variable to \"^nnml\". |
74 | ||
75 | If a group matches both gnus-cacheable-groups and gnus-uncacheable-groups | |
76 | it's not cached." | |
eec82323 LMI |
77 | :group 'gnus-cache |
78 | :type '(choice (const :tag "off" nil) | |
79 | regexp)) | |
80 | ||
6748645f LMI |
81 | (defvar gnus-cache-overview-coding-system 'raw-text |
82 | "Coding system used on Gnus cache files.") | |
83 | ||
16409b0b GM |
84 | (defvar gnus-cache-coding-system 'raw-text |
85 | "Coding system used on Gnus cache files.") | |
86 | ||
eec82323 LMI |
87 | \f |
88 | ||
89 | ;;; Internal variables. | |
90 | ||
91 | (defvar gnus-cache-removable-articles nil) | |
92 | (defvar gnus-cache-buffer nil) | |
93 | (defvar gnus-cache-active-hashtb nil) | |
94 | (defvar gnus-cache-active-altered nil) | |
01c52d31 | 95 | (defvar gnus-cache-total-fetched-hashtb nil) |
eec82323 | 96 | |
cef98b13 GM |
97 | (declare-function nnvirtual-find-group-art "nnvirtual" (group article)) |
98 | ||
8abf1b22 GM |
99 | (autoload 'nnml-generate-nov-databases-directory "nnml") |
100 | (autoload 'nnvirtual-find-group-art "nnvirtual") | |
eec82323 LMI |
101 | |
102 | \f | |
103 | ||
104 | ;;; Functions called from Gnus. | |
105 | ||
106 | (defun gnus-cache-open () | |
107 | "Initialize the cache." | |
108 | (when (or (file-exists-p gnus-cache-directory) | |
109 | (and gnus-use-cache | |
110 | (not (eq gnus-use-cache 'passive)))) | |
111 | (gnus-cache-read-active))) | |
112 | ||
113 | ;; Complexities of byte-compiling make this kludge necessary. Eeek. | |
114 | (ignore-errors | |
115 | (gnus-add-shutdown 'gnus-cache-close 'gnus)) | |
116 | ||
117 | (defun gnus-cache-close () | |
118 | "Shut down the cache." | |
119 | (gnus-cache-write-active) | |
120 | (gnus-cache-save-buffers) | |
121 | (setq gnus-cache-active-hashtb nil)) | |
122 | ||
123 | (defun gnus-cache-save-buffers () | |
124 | ;; save the overview buffer if it exists and has been modified | |
125 | ;; delete empty cache subdirectories | |
126 | (when gnus-cache-buffer | |
127 | (let ((buffer (cdr gnus-cache-buffer)) | |
128 | (overview-file (gnus-cache-file-name | |
129 | (car gnus-cache-buffer) ".overview"))) | |
130 | ;; write the overview only if it was modified | |
f4dd4ae8 MB |
131 | (when (and (buffer-live-p buffer) (buffer-modified-p buffer)) |
132 | (with-current-buffer buffer | |
eec82323 LMI |
133 | (if (> (buffer-size) 0) |
134 | ;; Non-empty overview, write it to a file. | |
6748645f LMI |
135 | (let ((coding-system-for-write |
136 | gnus-cache-overview-coding-system)) | |
137 | (gnus-write-buffer overview-file)) | |
01c52d31 MB |
138 | (let ((file-name-coding-system nnmail-pathname-coding-system)) |
139 | ;; Empty overview file, remove it | |
140 | (when (file-exists-p overview-file) | |
141 | (delete-file overview-file)) | |
142 | ;; If possible, remove group's cache subdirectory. | |
143 | (condition-case nil | |
144 | ;; FIXME: we can detect the error type and warn the user | |
145 | ;; of any inconsistencies (articles w/o nov entries?). | |
146 | ;; for now, just be conservative...delete only if safe -- sj | |
147 | (delete-directory (file-name-directory overview-file)) | |
148 | (error)))) | |
149 | ||
150 | (gnus-cache-update-overview-total-fetched-for | |
151 | (car gnus-cache-buffer) overview-file))) | |
eec82323 LMI |
152 | ;; Kill the buffer -- it's either unmodified or saved. |
153 | (gnus-kill-buffer buffer) | |
154 | (setq gnus-cache-buffer nil)))) | |
155 | ||
156 | (defun gnus-cache-possibly-enter-article | |
16409b0b | 157 | (group article ticked dormant unread &optional force) |
eec82323 LMI |
158 | (when (and (or force (not (eq gnus-use-cache 'passive))) |
159 | (numberp article) | |
16409b0b | 160 | (> article 0)) ; This might be a dummy article. |
01c52d31 MB |
161 | (let ((number article) |
162 | file headers lines-chars | |
163 | (file-name-coding-system nnmail-pathname-coding-system)) | |
16409b0b GM |
164 | ;; If this is a virtual group, we find the real group. |
165 | (when (gnus-virtual-group-p group) | |
166 | (let ((result (nnvirtual-find-group-art | |
167 | (gnus-group-real-name group) article))) | |
168 | (setq group (car result) | |
169 | number (cdr result)))) | |
a8151ef7 LMI |
170 | (when (and number |
171 | (> number 0) ; Reffed article. | |
eec82323 | 172 | (or force |
23f87bed | 173 | (and (gnus-cache-fully-p group) |
eec82323 LMI |
174 | (gnus-cache-member-of-class |
175 | gnus-cache-enter-articles ticked dormant unread))) | |
176 | (not (file-exists-p (setq file (gnus-cache-file-name | |
177 | group number))))) | |
178 | ;; Possibly create the cache directory. | |
6748645f | 179 | (gnus-make-directory (file-name-directory file)) |
eec82323 LMI |
180 | ;; Save the article in the cache. |
181 | (if (file-exists-p file) | |
182 | t ; The article already is saved. | |
183 | (save-excursion | |
184 | (set-buffer nntp-server-buffer) | |
16409b0b GM |
185 | (require 'gnus-art) |
186 | (let ((gnus-use-cache nil) | |
187 | (gnus-article-decode-hook nil)) | |
eec82323 LMI |
188 | (gnus-request-article-this-buffer number group)) |
189 | (when (> (buffer-size) 0) | |
16409b0b | 190 | (let ((coding-system-for-write gnus-cache-coding-system)) |
01c52d31 MB |
191 | (gnus-write-buffer file) |
192 | (gnus-cache-update-file-total-fetched-for group file)) | |
193 | (setq lines-chars (nnheader-get-lines-and-char)) | |
23f87bed MB |
194 | (nnheader-remove-body) |
195 | (setq headers (nnheader-parse-naked-head)) | |
16409b0b | 196 | (mail-header-set-number headers number) |
01c52d31 MB |
197 | (mail-header-set-lines headers (car lines-chars)) |
198 | (mail-header-set-chars headers (cadr lines-chars)) | |
eec82323 LMI |
199 | (gnus-cache-change-buffer group) |
200 | (set-buffer (cdr gnus-cache-buffer)) | |
201 | (goto-char (point-max)) | |
202 | (forward-line -1) | |
203 | (while (condition-case () | |
204 | (when (not (bobp)) | |
205 | (> (read (current-buffer)) number)) | |
206 | (error | |
207 | ;; The line was malformed, so we just remove it!! | |
208 | (gnus-delete-line) | |
209 | t)) | |
210 | (forward-line -1)) | |
211 | (if (bobp) | |
212 | (if (not (eobp)) | |
213 | (progn | |
214 | (beginning-of-line) | |
215 | (when (< (read (current-buffer)) number) | |
216 | (forward-line 1))) | |
217 | (beginning-of-line)) | |
218 | (forward-line 1)) | |
219 | (beginning-of-line) | |
16409b0b | 220 | (nnheader-insert-nov headers) |
eec82323 LMI |
221 | ;; Update the active info. |
222 | (set-buffer gnus-summary-buffer) | |
23f87bed MB |
223 | (gnus-cache-possibly-update-active group (cons number number)) |
224 | (setq gnus-newsgroup-cached | |
225 | (gnus-add-to-sorted-list gnus-newsgroup-cached article)) | |
eec82323 LMI |
226 | (gnus-summary-update-secondary-mark article)) |
227 | t)))))) | |
228 | ||
229 | (defun gnus-cache-enter-remove-article (article) | |
230 | "Mark ARTICLE for later possible removal." | |
231 | (when article | |
232 | (push article gnus-cache-removable-articles))) | |
233 | ||
234 | (defun gnus-cache-possibly-remove-articles () | |
235 | "Possibly remove some of the removable articles." | |
236 | (if (not (gnus-virtual-group-p gnus-newsgroup-name)) | |
237 | (gnus-cache-possibly-remove-articles-1) | |
238 | (let ((arts gnus-cache-removable-articles) | |
239 | ga) | |
240 | (while arts | |
241 | (when (setq ga (nnvirtual-find-group-art | |
242 | (gnus-group-real-name gnus-newsgroup-name) (pop arts))) | |
243 | (let ((gnus-cache-removable-articles (list (cdr ga))) | |
244 | (gnus-newsgroup-name (car ga))) | |
245 | (gnus-cache-possibly-remove-articles-1))))) | |
246 | (setq gnus-cache-removable-articles nil))) | |
247 | ||
248 | (defun gnus-cache-possibly-remove-articles-1 () | |
249 | "Possibly remove some of the removable articles." | |
23f87bed | 250 | (when (gnus-cache-fully-p gnus-newsgroup-name) |
01c52d31 | 251 | (let ((cache-articles gnus-newsgroup-cached)) |
eec82323 | 252 | (gnus-cache-change-buffer gnus-newsgroup-name) |
01c52d31 MB |
253 | (dolist (article gnus-cache-removable-articles) |
254 | (when (memq article cache-articles) | |
eec82323 LMI |
255 | ;; The article was in the cache, so we see whether we are |
256 | ;; supposed to remove it from the cache. | |
257 | (gnus-cache-possibly-remove-article | |
258 | article (memq article gnus-newsgroup-marked) | |
259 | (memq article gnus-newsgroup-dormant) | |
260 | (or (memq article gnus-newsgroup-unreads) | |
261 | (memq article gnus-newsgroup-unselected)))))) | |
262 | ;; The overview file might have been modified, save it | |
263 | ;; safe because we're only called at group exit anyway. | |
264 | (gnus-cache-save-buffers))) | |
265 | ||
266 | (defun gnus-cache-request-article (article group) | |
267 | "Retrieve ARTICLE in GROUP from the cache." | |
268 | (let ((file (gnus-cache-file-name group article)) | |
01c52d31 MB |
269 | (buffer-read-only nil) |
270 | (file-name-coding-system nnmail-pathname-coding-system)) | |
eec82323 LMI |
271 | (when (file-exists-p file) |
272 | (erase-buffer) | |
273 | (gnus-kill-all-overlays) | |
16409b0b GM |
274 | (let ((coding-system-for-read gnus-cache-coding-system)) |
275 | (insert-file-contents file)) | |
eec82323 LMI |
276 | t))) |
277 | ||
278 | (defun gnus-cache-possibly-alter-active (group active) | |
279 | "Alter the ACTIVE info for GROUP to reflect the articles in the cache." | |
eec82323 LMI |
280 | (when gnus-cache-active-hashtb |
281 | (let ((cache-active (gnus-gethash group gnus-cache-active-hashtb))) | |
a8151ef7 LMI |
282 | (when cache-active |
283 | (when (< (car cache-active) (car active)) | |
284 | (setcar active (car cache-active))) | |
285 | (when (> (cdr cache-active) (cdr active)) | |
286 | (setcdr active (cdr cache-active))))))) | |
eec82323 LMI |
287 | |
288 | (defun gnus-cache-retrieve-headers (articles group &optional fetch-old) | |
289 | "Retrieve the headers for ARTICLES in GROUP." | |
290 | (let ((cached | |
291 | (setq gnus-newsgroup-cached (gnus-cache-articles-in-group group)))) | |
292 | (if (not cached) | |
293 | ;; No cached articles here, so we just retrieve them | |
294 | ;; the normal way. | |
295 | (let ((gnus-use-cache nil)) | |
296 | (gnus-retrieve-headers articles group fetch-old)) | |
23f87bed | 297 | (let ((uncached-articles (gnus-sorted-difference articles cached)) |
eec82323 | 298 | (cache-file (gnus-cache-file-name group ".overview")) |
01c52d31 MB |
299 | type |
300 | (file-name-coding-system nnmail-pathname-coding-system)) | |
eec82323 LMI |
301 | ;; We first retrieve all the headers that we don't have in |
302 | ;; the cache. | |
303 | (let ((gnus-use-cache nil)) | |
304 | (when uncached-articles | |
305 | (setq type (and articles | |
306 | (gnus-retrieve-headers | |
307 | uncached-articles group fetch-old))))) | |
308 | (gnus-cache-save-buffers) | |
309 | ;; Then we insert the cached headers. | |
310 | (save-excursion | |
311 | (cond | |
312 | ((not (file-exists-p cache-file)) | |
313 | ;; There are no cached headers. | |
314 | type) | |
315 | ((null type) | |
316 | ;; There were no uncached headers (or retrieval was | |
317 | ;; unsuccessful), so we use the cached headers exclusively. | |
318 | (set-buffer nntp-server-buffer) | |
319 | (erase-buffer) | |
a1506d29 | 320 | (let ((coding-system-for-read |
16409b0b GM |
321 | gnus-cache-overview-coding-system)) |
322 | (insert-file-contents cache-file)) | |
eec82323 LMI |
323 | 'nov) |
324 | ((eq type 'nov) | |
325 | ;; We have both cached and uncached NOV headers, so we | |
326 | ;; braid them. | |
327 | (gnus-cache-braid-nov group cached) | |
328 | type) | |
329 | (t | |
330 | ;; We braid HEADs. | |
331 | (gnus-cache-braid-heads group (gnus-sorted-intersection | |
332 | cached articles)) | |
333 | type))))))) | |
334 | ||
335 | (defun gnus-cache-enter-article (&optional n) | |
336 | "Enter the next N articles into the cache. | |
337 | If not given a prefix, use the process marked articles instead. | |
338 | Returns the list of articles entered." | |
339 | (interactive "P") | |
01c52d31 MB |
340 | (let (out) |
341 | (dolist (article (gnus-summary-work-articles n)) | |
6748645f | 342 | (gnus-summary-remove-process-mark article) |
eec82323 LMI |
343 | (if (natnump article) |
344 | (when (gnus-cache-possibly-enter-article | |
345 | gnus-newsgroup-name article | |
eec82323 | 346 | nil nil nil t) |
23f87bed | 347 | (setq gnus-newsgroup-undownloaded (delq article gnus-newsgroup-undownloaded)) |
eec82323 LMI |
348 | (push article out)) |
349 | (gnus-message 2 "Can't cache article %d" article)) | |
23f87bed | 350 | (gnus-summary-update-download-mark article) |
eec82323 LMI |
351 | (gnus-summary-update-secondary-mark article)) |
352 | (gnus-summary-next-subject 1) | |
353 | (gnus-summary-position-point) | |
354 | (nreverse out))) | |
355 | ||
23f87bed | 356 | (defun gnus-cache-remove-article (&optional n) |
eec82323 LMI |
357 | "Remove the next N articles from the cache. |
358 | If not given a prefix, use the process marked articles instead. | |
359 | Returns the list of articles removed." | |
360 | (interactive "P") | |
eec82323 | 361 | (gnus-cache-change-buffer gnus-newsgroup-name) |
01c52d31 MB |
362 | (let (out) |
363 | (dolist (article (gnus-summary-work-articles n)) | |
6748645f | 364 | (gnus-summary-remove-process-mark article) |
eec82323 | 365 | (when (gnus-cache-possibly-remove-article article nil nil nil t) |
23f87bed MB |
366 | (when gnus-newsgroup-agentized |
367 | (let ((alist (gnus-agent-load-alist gnus-newsgroup-name))) | |
368 | (unless (cdr (assoc article alist)) | |
369 | (setq gnus-newsgroup-undownloaded | |
e84b4b86 | 370 | (gnus-add-to-sorted-list |
23f87bed | 371 | gnus-newsgroup-undownloaded article))))) |
eec82323 | 372 | (push article out)) |
23f87bed | 373 | (gnus-summary-update-download-mark article) |
eec82323 LMI |
374 | (gnus-summary-update-secondary-mark article)) |
375 | (gnus-summary-next-subject 1) | |
376 | (gnus-summary-position-point) | |
377 | (nreverse out))) | |
378 | ||
379 | (defun gnus-cached-article-p (article) | |
380 | "Say whether ARTICLE is cached in the current group." | |
381 | (memq article gnus-newsgroup-cached)) | |
382 | ||
383 | (defun gnus-summary-insert-cached-articles () | |
384 | "Insert all the articles cached for this group into the current buffer." | |
385 | (interactive) | |
23f87bed MB |
386 | (let ((gnus-verbose (max 6 gnus-verbose))) |
387 | (if (not gnus-newsgroup-cached) | |
388 | (gnus-message 3 "No cached articles for this group") | |
389 | (gnus-summary-goto-subjects gnus-newsgroup-cached)))) | |
eec82323 | 390 | |
23f87bed MB |
391 | (defun gnus-summary-limit-include-cached () |
392 | "Limit the summary buffer to articles that are cached." | |
393 | (interactive) | |
394 | (let ((gnus-verbose (max 6 gnus-verbose))) | |
395 | (if gnus-newsgroup-cached | |
396 | (progn | |
397 | (gnus-summary-limit gnus-newsgroup-cached) | |
398 | (gnus-summary-position-point)) | |
399 | (gnus-message 3 "No cached articles for this group")))) | |
6748645f | 400 | |
eec82323 LMI |
401 | ;;; Internal functions. |
402 | ||
403 | (defun gnus-cache-change-buffer (group) | |
404 | (and gnus-cache-buffer | |
405 | ;; See if the current group's overview cache has been loaded. | |
406 | (or (string= group (car gnus-cache-buffer)) | |
407 | ;; Another overview cache is current, save it. | |
408 | (gnus-cache-save-buffers))) | |
409 | ;; if gnus-cache buffer is nil, create it | |
410 | (unless gnus-cache-buffer | |
411 | ;; Create cache buffer | |
412 | (save-excursion | |
413 | (setq gnus-cache-buffer | |
414 | (cons group | |
6748645f LMI |
415 | (set-buffer (gnus-get-buffer-create |
416 | " *gnus-cache-overview*")))) | |
eec82323 LMI |
417 | ;; Insert the contents of this group's cache overview. |
418 | (erase-buffer) | |
01c52d31 MB |
419 | (let ((file (gnus-cache-file-name group ".overview")) |
420 | (file-name-coding-system nnmail-pathname-coding-system)) | |
eec82323 LMI |
421 | (when (file-exists-p file) |
422 | (nnheader-insert-file-contents file))) | |
423 | ;; We have a fresh (empty/just loaded) buffer, | |
424 | ;; mark it as unmodified to save a redundant write later. | |
425 | (set-buffer-modified-p nil)))) | |
426 | ||
427 | ;; Return whether an article is a member of a class. | |
428 | (defun gnus-cache-member-of-class (class ticked dormant unread) | |
429 | (or (and ticked (memq 'ticked class)) | |
430 | (and dormant (memq 'dormant class)) | |
431 | (and unread (memq 'unread class)) | |
432 | (and (not unread) (not ticked) (not dormant) (memq 'read class)))) | |
433 | ||
01c52d31 MB |
434 | (defvar gnus-cache-decoded-group-names nil |
435 | "Alist of original group names and decoded group names. | |
436 | Decoding is done according to `gnus-group-name-charset-method-alist' | |
437 | or `gnus-group-name-charset-group-alist'.") | |
438 | ||
439 | (defvar gnus-cache-unified-group-names nil | |
440 | "Alist of unified decoded group names and original group names. | |
441 | A group name is decoded according to | |
442 | `gnus-group-name-charset-method-alist' or | |
443 | `gnus-group-name-charset-group-alist' first, and is encoded and | |
444 | decoded again according to `nnmail-pathname-coding-system', | |
445 | `file-name-coding-system', or `default-file-name-coding-system'. | |
446 | ||
447 | It is used when asking for a original group name from a cache | |
448 | directory name, in which non-ASCII characters might have been unified | |
449 | into the ones of a certain charset particularly if the `utf-8' coding | |
450 | system for example was used.") | |
451 | ||
452 | (defun gnus-cache-decoded-group-name (group) | |
453 | "Return a decoded group name of GROUP." | |
454 | (or (cdr (assoc group gnus-cache-decoded-group-names)) | |
455 | (let ((decoded (gnus-group-decoded-name group)) | |
456 | (coding (or nnmail-pathname-coding-system | |
457 | (and (boundp 'file-name-coding-system) | |
458 | file-name-coding-system) | |
459 | (and (boundp 'default-file-name-coding-system) | |
460 | default-file-name-coding-system)))) | |
461 | (push (cons group decoded) gnus-cache-decoded-group-names) | |
462 | (push (cons (mm-decode-coding-string | |
463 | (mm-encode-coding-string decoded coding) | |
464 | coding) | |
465 | group) | |
466 | gnus-cache-unified-group-names) | |
467 | decoded))) | |
468 | ||
eec82323 | 469 | (defun gnus-cache-file-name (group article) |
01c52d31 | 470 | (setq group (gnus-cache-decoded-group-name group)) |
6ab8077a DL |
471 | (expand-file-name |
472 | (if (stringp article) article (int-to-string article)) | |
473 | (file-name-as-directory | |
474 | (expand-file-name | |
475 | (nnheader-translate-file-chars | |
476 | (if (gnus-use-long-file-name 'not-cache) | |
477 | group | |
478 | (let ((group (nnheader-replace-duplicate-chars-in-string | |
479 | (nnheader-replace-chars-in-string group ?/ ?_) | |
480 | ?. ?_))) | |
481 | ;; Translate the first colon into a slash. | |
482 | (when (string-match ":" group) | |
23f87bed MB |
483 | (setq group (concat (substring group 0 (match-beginning 0)) |
484 | "/" (substring group (match-end 0))))) | |
6ab8077a DL |
485 | (nnheader-replace-chars-in-string group ?. ?/))) |
486 | t) | |
487 | gnus-cache-directory)))) | |
eec82323 LMI |
488 | |
489 | (defun gnus-cache-update-article (group article) | |
490 | "If ARTICLE is in the cache, remove it and re-enter it." | |
6748645f | 491 | (gnus-cache-change-buffer group) |
16409b0b | 492 | (when (gnus-cache-possibly-remove-article article nil nil nil t) |
eec82323 LMI |
493 | (let ((gnus-use-cache nil)) |
494 | (gnus-cache-possibly-enter-article | |
16409b0b | 495 | gnus-newsgroup-name article |
eec82323 LMI |
496 | nil nil nil t)))) |
497 | ||
498 | (defun gnus-cache-possibly-remove-article (article ticked dormant unread | |
499 | &optional force) | |
500 | "Possibly remove ARTICLE from the cache." | |
501 | (let ((group gnus-newsgroup-name) | |
502 | (number article) | |
01c52d31 MB |
503 | file |
504 | (file-name-coding-system nnmail-pathname-coding-system)) | |
eec82323 LMI |
505 | ;; If this is a virtual group, we find the real group. |
506 | (when (gnus-virtual-group-p group) | |
507 | (let ((result (nnvirtual-find-group-art | |
508 | (gnus-group-real-name group) article))) | |
509 | (setq group (car result) | |
510 | number (cdr result)))) | |
511 | (setq file (gnus-cache-file-name group number)) | |
512 | (when (and (file-exists-p file) | |
513 | (or force | |
514 | (gnus-cache-member-of-class | |
515 | gnus-cache-remove-articles ticked dormant unread))) | |
516 | (save-excursion | |
01c52d31 | 517 | (gnus-cache-update-file-total-fetched-for group file t) |
eec82323 | 518 | (delete-file file) |
01c52d31 | 519 | |
eec82323 LMI |
520 | (set-buffer (cdr gnus-cache-buffer)) |
521 | (goto-char (point-min)) | |
522 | (when (or (looking-at (concat (int-to-string number) "\t")) | |
523 | (search-forward (concat "\n" (int-to-string number) "\t") | |
524 | (point-max) t)) | |
01c52d31 | 525 | (gnus-delete-line))) |
23f87bed MB |
526 | (unless (setq gnus-newsgroup-cached |
527 | (delq article gnus-newsgroup-cached)) | |
528 | (gnus-sethash gnus-newsgroup-name nil gnus-cache-active-hashtb) | |
529 | (setq gnus-cache-active-altered t)) | |
eec82323 LMI |
530 | (gnus-summary-update-secondary-mark article) |
531 | t))) | |
532 | ||
533 | (defun gnus-cache-articles-in-group (group) | |
534 | "Return a sorted list of cached articles in GROUP." | |
a8151ef7 | 535 | (let ((dir (file-name-directory (gnus-cache-file-name group 1))) |
01c52d31 MB |
536 | articles |
537 | (file-name-coding-system nnmail-pathname-coding-system)) | |
eec82323 | 538 | (when (file-exists-p dir) |
a8151ef7 | 539 | (setq articles |
e9bd5782 | 540 | (sort (mapcar (lambda (name) (string-to-number name)) |
a8151ef7 LMI |
541 | (directory-files dir nil "^[0-9]+$" t)) |
542 | '<)) | |
543 | ;; Update the cache active file, just to synch more. | |
23f87bed MB |
544 | (if articles |
545 | (progn | |
546 | (gnus-cache-update-active group (car articles) t) | |
547 | (gnus-cache-update-active group (car (last articles)))) | |
548 | (when (gnus-gethash group gnus-cache-active-hashtb) | |
549 | (gnus-sethash group nil gnus-cache-active-hashtb) | |
550 | (setq gnus-cache-active-altered t))) | |
a8151ef7 LMI |
551 | articles))) |
552 | ||
553 | (defun gnus-cache-braid-nov (group cached &optional file) | |
6748645f | 554 | (let ((cache-buf (gnus-get-buffer-create " *gnus-cache*")) |
eec82323 LMI |
555 | beg end) |
556 | (gnus-cache-save-buffers) | |
557 | (save-excursion | |
558 | (set-buffer cache-buf) | |
eec82323 | 559 | (erase-buffer) |
01c52d31 MB |
560 | (let ((coding-system-for-read gnus-cache-overview-coding-system) |
561 | (file-name-coding-system nnmail-pathname-coding-system)) | |
a1506d29 | 562 | (insert-file-contents |
16409b0b | 563 | (or file (gnus-cache-file-name group ".overview")))) |
eec82323 LMI |
564 | (goto-char (point-min)) |
565 | (insert "\n") | |
566 | (goto-char (point-min))) | |
567 | (set-buffer nntp-server-buffer) | |
568 | (goto-char (point-min)) | |
569 | (while cached | |
570 | (while (and (not (eobp)) | |
571 | (< (read (current-buffer)) (car cached))) | |
572 | (forward-line 1)) | |
573 | (beginning-of-line) | |
23f87bed MB |
574 | (set-buffer cache-buf) |
575 | (if (search-forward (concat "\n" (int-to-string (car cached)) "\t") | |
576 | nil t) | |
01c52d31 | 577 | (setq beg (point-at-bol) |
23f87bed MB |
578 | end (progn (end-of-line) (point))) |
579 | (setq beg nil)) | |
580 | (set-buffer nntp-server-buffer) | |
eec82323 LMI |
581 | (when beg |
582 | (insert-buffer-substring cache-buf beg end) | |
583 | (insert "\n")) | |
584 | (setq cached (cdr cached))) | |
585 | (kill-buffer cache-buf))) | |
586 | ||
587 | (defun gnus-cache-braid-heads (group cached) | |
6748645f | 588 | (let ((cache-buf (gnus-get-buffer-create " *gnus-cache*"))) |
01c52d31 | 589 | (with-current-buffer cache-buf |
eec82323 LMI |
590 | (erase-buffer)) |
591 | (set-buffer nntp-server-buffer) | |
592 | (goto-char (point-min)) | |
01c52d31 | 593 | (dolist (entry cached) |
eec82323 LMI |
594 | (while (and (not (eobp)) |
595 | (looking-at "2.. +\\([0-9]+\\) ") | |
596 | (< (progn (goto-char (match-beginning 1)) | |
597 | (read (current-buffer))) | |
01c52d31 | 598 | entry)) |
eec82323 LMI |
599 | (search-forward "\n.\n" nil 'move)) |
600 | (beginning-of-line) | |
23f87bed MB |
601 | (set-buffer cache-buf) |
602 | (erase-buffer) | |
01c52d31 MB |
603 | (let ((coding-system-for-read gnus-cache-coding-system) |
604 | (file-name-coding-system nnmail-pathname-coding-system)) | |
605 | (insert-file-contents (gnus-cache-file-name group entry))) | |
23f87bed MB |
606 | (goto-char (point-min)) |
607 | (insert "220 ") | |
608 | (princ (car cached) (current-buffer)) | |
609 | (insert " Article retrieved.\n") | |
610 | (search-forward "\n\n" nil 'move) | |
611 | (delete-region (point) (point-max)) | |
612 | (forward-char -1) | |
613 | (insert ".") | |
614 | (set-buffer nntp-server-buffer) | |
01c52d31 | 615 | (insert-buffer-substring cache-buf)) |
eec82323 LMI |
616 | (kill-buffer cache-buf))) |
617 | ||
618 | ;;;###autoload | |
619 | (defun gnus-jog-cache () | |
620 | "Go through all groups and put the articles into the cache. | |
621 | ||
622 | Usage: | |
623 | $ emacs -batch -l ~/.emacs -l gnus -f gnus-jog-cache" | |
624 | (interactive) | |
625 | (let ((gnus-mark-article-hook nil) | |
626 | (gnus-expert-user t) | |
16409b0b | 627 | (mail-sources nil) |
eec82323 LMI |
628 | (gnus-use-dribble-file nil) |
629 | (gnus-novice-user nil) | |
630 | (gnus-large-newsgroup nil)) | |
631 | ;; Start Gnus. | |
632 | (gnus) | |
633 | ;; Go through all groups... | |
634 | (gnus-group-mark-buffer) | |
a8151ef7 LMI |
635 | (gnus-group-iterate nil |
636 | (lambda (group) | |
637 | (let (gnus-auto-select-next) | |
638 | (gnus-summary-read-group group nil t) | |
639 | ;; ... and enter the articles into the cache. | |
640 | (when (eq major-mode 'gnus-summary-mode) | |
641 | (gnus-uu-mark-buffer) | |
642 | (gnus-cache-enter-article) | |
643 | (kill-buffer (current-buffer)))))))) | |
eec82323 LMI |
644 | |
645 | (defun gnus-cache-read-active (&optional force) | |
646 | "Read the cache active file." | |
647 | (gnus-make-directory gnus-cache-directory) | |
a8151ef7 | 648 | (if (or (not (file-exists-p gnus-cache-active-file)) |
6748645f | 649 | (zerop (nth 7 (file-attributes gnus-cache-active-file))) |
a8151ef7 | 650 | force) |
eec82323 LMI |
651 | ;; There is no active file, so we generate one. |
652 | (gnus-cache-generate-active) | |
653 | ;; We simply read the active file. | |
654 | (save-excursion | |
655 | (gnus-set-work-buffer) | |
16409b0b | 656 | (nnheader-insert-file-contents gnus-cache-active-file) |
eec82323 LMI |
657 | (gnus-active-to-gnus-format |
658 | nil (setq gnus-cache-active-hashtb | |
659 | (gnus-make-hashtable | |
660 | (count-lines (point-min) (point-max))))) | |
661 | (setq gnus-cache-active-altered nil)))) | |
662 | ||
663 | (defun gnus-cache-write-active (&optional force) | |
664 | "Write the active hashtb to the active file." | |
665 | (when (or force | |
666 | (and gnus-cache-active-hashtb | |
667 | gnus-cache-active-altered)) | |
16409b0b | 668 | (gnus-write-active-file gnus-cache-active-file gnus-cache-active-hashtb t) |
eec82323 LMI |
669 | ;; Mark the active hashtb as unaltered. |
670 | (setq gnus-cache-active-altered nil))) | |
671 | ||
23f87bed MB |
672 | (defun gnus-cache-possibly-update-active (group active) |
673 | "Update active info bounds of GROUP with ACTIVE if necessary. | |
674 | The update is performed if ACTIVE contains a higher or lower bound | |
675 | than the current." | |
676 | (let ((lower t) (higher t)) | |
677 | (if gnus-cache-active-hashtb | |
678 | (let ((cache-active (gnus-gethash group gnus-cache-active-hashtb))) | |
679 | (when cache-active | |
680 | (unless (< (car active) (car cache-active)) | |
681 | (setq lower nil)) | |
682 | (unless (> (cdr active) (cdr cache-active)) | |
683 | (setq higher nil)))) | |
684 | (gnus-cache-read-active)) | |
685 | (when lower | |
686 | (gnus-cache-update-active group (car active) t)) | |
687 | (when higher | |
688 | (gnus-cache-update-active group (cdr active))))) | |
689 | ||
eec82323 LMI |
690 | (defun gnus-cache-update-active (group number &optional low) |
691 | "Update the upper bound of the active info of GROUP to NUMBER. | |
692 | If LOW, update the lower bound instead." | |
693 | (let ((active (gnus-gethash group gnus-cache-active-hashtb))) | |
694 | (if (null active) | |
695 | ;; We just create a new active entry for this group. | |
696 | (gnus-sethash group (cons number number) gnus-cache-active-hashtb) | |
697 | ;; Update the lower or upper bound. | |
698 | (if low | |
699 | (setcar active number) | |
700 | (setcdr active number))) | |
701 | ;; Mark the active hashtb as altered. | |
702 | (setq gnus-cache-active-altered t))) | |
703 | ||
704 | ;;;###autoload | |
705 | (defun gnus-cache-generate-active (&optional directory) | |
706 | "Generate the cache active file." | |
707 | (interactive) | |
708 | (let* ((top (null directory)) | |
709 | (directory (expand-file-name (or directory gnus-cache-directory))) | |
01c52d31 | 710 | (file-name-coding-system nnmail-pathname-coding-system) |
eec82323 LMI |
711 | (files (directory-files directory 'full)) |
712 | (group | |
713 | (if top | |
714 | "" | |
715 | (string-match | |
6748645f LMI |
716 | (concat "^" (regexp-quote |
717 | (file-name-as-directory | |
718 | (expand-file-name gnus-cache-directory)))) | |
eec82323 LMI |
719 | (directory-file-name directory)) |
720 | (nnheader-replace-chars-in-string | |
721 | (substring (directory-file-name directory) (match-end 0)) | |
722 | ?/ ?.))) | |
723 | nums alphs) | |
724 | (when top | |
725 | (gnus-message 5 "Generating the cache active file...") | |
726 | (setq gnus-cache-active-hashtb (gnus-make-hashtable 123))) | |
6748645f | 727 | (when (string-match "^\\(nn[^_]+\\)_" group) |
23f87bed | 728 | (setq group (replace-match "\\1:" t nil group))) |
eec82323 LMI |
729 | ;; Separate articles from all other files and directories. |
730 | (while files | |
731 | (if (string-match "^[0-9]+$" (file-name-nondirectory (car files))) | |
e9bd5782 | 732 | (push (string-to-number (file-name-nondirectory (pop files))) nums) |
eec82323 LMI |
733 | (push (pop files) alphs))) |
734 | ;; If we have nums, then this is probably a valid group. | |
735 | (when (setq nums (sort nums '<)) | |
01c52d31 MB |
736 | ;; Use non-decoded group name. |
737 | ;; FIXME: this is kind of a workaround. The active file should | |
738 | ;; be updated at the time articles are cached. It will make | |
739 | ;; `gnus-cache-unified-group-names' needless. | |
740 | (gnus-sethash (or (cdr (assoc group gnus-cache-unified-group-names)) | |
741 | group) | |
742 | (cons (car nums) (gnus-last-element nums)) | |
eec82323 LMI |
743 | gnus-cache-active-hashtb)) |
744 | ;; Go through all the other files. | |
01c52d31 MB |
745 | (dolist (file alphs) |
746 | (when (and (file-directory-p file) | |
6748645f | 747 | (not (string-match "^\\." |
01c52d31 | 748 | (file-name-nondirectory file)))) |
eec82323 | 749 | ;; We descend directories. |
01c52d31 | 750 | (gnus-cache-generate-active file))) |
eec82323 LMI |
751 | ;; Write the new active file. |
752 | (when top | |
753 | (gnus-cache-write-active t) | |
754 | (gnus-message 5 "Generating the cache active file...done")))) | |
755 | ||
756 | ;;;###autoload | |
757 | (defun gnus-cache-generate-nov-databases (dir) | |
758 | "Generate NOV files recursively starting in DIR." | |
759 | (interactive (list gnus-cache-directory)) | |
760 | (gnus-cache-close) | |
761 | (let ((nnml-generate-active-function 'identity)) | |
b890d447 | 762 | (nnml-generate-nov-databases-directory dir)) |
01c52d31 MB |
763 | |
764 | (setq gnus-cache-total-fetched-hashtb nil) | |
765 | ||
23f87bed | 766 | (gnus-cache-open)) |
eec82323 LMI |
767 | |
768 | (defun gnus-cache-move-cache (dir) | |
769 | "Move the cache tree to somewhere else." | |
a8151ef7 | 770 | (interactive "FMove the cache tree to: ") |
eec82323 LMI |
771 | (rename-file gnus-cache-directory dir)) |
772 | ||
23f87bed MB |
773 | (defun gnus-cache-fully-p (&optional group) |
774 | "Returns non-nil if the cache should be fully used. | |
775 | If GROUP is non-nil, also cater to `gnus-cacheable-groups' and | |
776 | `gnus-uncacheable-groups'." | |
777 | (and gnus-use-cache | |
778 | (not (eq gnus-use-cache 'passive)) | |
779 | (if (null group) | |
780 | t | |
781 | (and (or (not gnus-cacheable-groups) | |
782 | (string-match gnus-cacheable-groups group)) | |
783 | (or (not gnus-uncacheable-groups) | |
784 | (not (string-match gnus-uncacheable-groups group))))))) | |
785 | ||
54506618 MB |
786 | ;;;###autoload |
787 | (defun gnus-cache-rename-group (old-group new-group) | |
58090a8d MB |
788 | "Rename OLD-GROUP as NEW-GROUP. |
789 | Always updates the cache, even when disabled, as the old cache | |
790 | files would corrupt Gnus when the cache was next enabled. It | |
791 | depends on the caller to determine whether group renaming is | |
792 | supported." | |
54506618 | 793 | (let ((old-dir (gnus-cache-file-name old-group "")) |
01c52d31 MB |
794 | (new-dir (gnus-cache-file-name new-group "")) |
795 | (file-name-coding-system nnmail-pathname-coding-system)) | |
54506618 MB |
796 | (gnus-rename-file old-dir new-dir t)) |
797 | ||
01c52d31 MB |
798 | (gnus-cache-rename-group-total-fetched-for old-group new-group) |
799 | ||
54506618 MB |
800 | (let ((no-save gnus-cache-active-hashtb)) |
801 | (unless gnus-cache-active-hashtb | |
802 | (gnus-cache-read-active)) | |
58090a8d MB |
803 | (let* ((old-group-hash-value |
804 | (gnus-gethash old-group gnus-cache-active-hashtb)) | |
805 | (new-group-hash-value | |
806 | (gnus-gethash new-group gnus-cache-active-hashtb)) | |
807 | (delta | |
808 | (or old-group-hash-value new-group-hash-value))) | |
54506618 MB |
809 | (gnus-sethash new-group old-group-hash-value gnus-cache-active-hashtb) |
810 | (gnus-sethash old-group nil gnus-cache-active-hashtb) | |
811 | ||
812 | (if no-save | |
813 | (setq gnus-cache-active-altered delta) | |
814 | (gnus-cache-write-active delta))))) | |
815 | ||
816 | ;;;###autoload | |
817 | (defun gnus-cache-delete-group (group) | |
58090a8d MB |
818 | "Delete GROUP from the cache. |
819 | Always updates the cache, even when disabled, as the old cache | |
820 | files would corrupt gnus when the cache was next enabled. | |
821 | Depends upon the caller to determine whether group deletion is | |
822 | supported." | |
01c52d31 MB |
823 | (let ((dir (gnus-cache-file-name group "")) |
824 | (file-name-coding-system nnmail-pathname-coding-system)) | |
aa0a8561 | 825 | (gnus-delete-directory dir)) |
54506618 | 826 | |
01c52d31 MB |
827 | (gnus-cache-delete-group-total-fetched-for group) |
828 | ||
54506618 MB |
829 | (let ((no-save gnus-cache-active-hashtb)) |
830 | (unless gnus-cache-active-hashtb | |
831 | (gnus-cache-read-active)) | |
832 | (let* ((group-hash-value (gnus-gethash group gnus-cache-active-hashtb))) | |
833 | (gnus-sethash group nil gnus-cache-active-hashtb) | |
834 | ||
835 | (if no-save | |
836 | (setq gnus-cache-active-altered group-hash-value) | |
837 | (gnus-cache-write-active group-hash-value))))) | |
838 | ||
01c52d31 MB |
839 | (defvar gnus-cache-inhibit-update-total-fetched-for nil) |
840 | (defvar gnus-cache-need-update-total-fetched-for nil) | |
841 | ||
842 | (defmacro gnus-cache-with-refreshed-group (group &rest body) | |
843 | `(prog1 (let ((gnus-cache-inhibit-update-total-fetched-for t)) | |
844 | ,@body) | |
845 | (when (and gnus-cache-need-update-total-fetched-for | |
846 | (not gnus-cache-inhibit-update-total-fetched-for)) | |
847 | (save-excursion | |
848 | (set-buffer gnus-group-buffer) | |
849 | (setq gnus-cache-need-update-total-fetched-for nil) | |
850 | (gnus-group-update-group ,group t))))) | |
851 | ||
852 | (defun gnus-cache-update-file-total-fetched-for (group file &optional subtract) | |
853 | (when gnus-cache-total-fetched-hashtb | |
854 | (gnus-cache-with-refreshed-group | |
855 | group | |
856 | (let* ((entry (or (gnus-gethash group gnus-cache-total-fetched-hashtb) | |
857 | (gnus-sethash group (make-vector 2 0) | |
858 | gnus-cache-total-fetched-hashtb))) | |
859 | size) | |
860 | ||
861 | (if file | |
862 | (setq size (or (nth 7 (file-attributes file)) 0)) | |
863 | (let* ((file-name-coding-system nnmail-pathname-coding-system) | |
864 | (files (directory-files (gnus-cache-file-name group "") | |
865 | t nil t)) | |
866 | file attrs) | |
867 | (setq size 0.0) | |
868 | (while (setq file (pop files)) | |
869 | (setq attrs (file-attributes file)) | |
870 | (unless (nth 0 attrs) | |
871 | (incf size (float (nth 7 attrs))))))) | |
872 | ||
873 | (setq gnus-cache-need-update-total-fetched-for t) | |
874 | ||
875 | (incf (nth 1 entry) (if subtract (- size) size)))))) | |
876 | ||
877 | (defun gnus-cache-update-overview-total-fetched-for (group file) | |
878 | (when gnus-cache-total-fetched-hashtb | |
879 | (gnus-cache-with-refreshed-group | |
880 | group | |
881 | (let* ((entry (or (gnus-gethash group gnus-cache-total-fetched-hashtb) | |
882 | (gnus-sethash group (make-list 2 0) | |
883 | gnus-cache-total-fetched-hashtb))) | |
884 | (file-name-coding-system nnmail-pathname-coding-system) | |
885 | (size (or (nth 7 (file-attributes | |
886 | (or file | |
887 | (gnus-cache-file-name group ".overview")))) | |
888 | 0))) | |
889 | (setq gnus-cache-need-update-total-fetched-for t) | |
890 | (setf (nth 0 entry) size))))) | |
891 | ||
892 | (defun gnus-cache-rename-group-total-fetched-for (old-group new-group) | |
893 | "Record of disk space used by OLD-GROUP now associated with NEW-GROUP." | |
894 | (when gnus-cache-total-fetched-hashtb | |
895 | (let ((entry (gnus-gethash old-group gnus-cache-total-fetched-hashtb))) | |
896 | (gnus-sethash new-group entry gnus-cache-total-fetched-hashtb) | |
897 | (gnus-sethash old-group nil gnus-cache-total-fetched-hashtb)))) | |
898 | ||
899 | (defun gnus-cache-delete-group-total-fetched-for (group) | |
900 | "Delete record of disk space used by GROUP being deleted." | |
901 | (when gnus-cache-total-fetched-hashtb | |
902 | (gnus-sethash group nil gnus-cache-total-fetched-hashtb))) | |
903 | ||
904 | (defun gnus-cache-total-fetched-for (group &optional no-inhibit) | |
905 | "Get total disk space used by the cache for the specified GROUP." | |
906 | (unless (equal group "dummy.group") | |
907 | (unless gnus-cache-total-fetched-hashtb | |
908 | (setq gnus-cache-total-fetched-hashtb (gnus-make-hashtable 1024))) | |
909 | ||
910 | (let* ((entry (gnus-gethash group gnus-cache-total-fetched-hashtb))) | |
911 | (if entry | |
912 | (apply '+ entry) | |
913 | (let ((gnus-cache-inhibit-update-total-fetched-for (not no-inhibit))) | |
914 | (+ | |
915 | (gnus-cache-update-overview-total-fetched-for group nil) | |
916 | (gnus-cache-update-file-total-fetched-for group nil))))))) | |
917 | ||
eec82323 LMI |
918 | (provide 'gnus-cache) |
919 | ||
cbee283d | 920 | ;; arch-tag: 05a79442-8c58-4e65-bd0a-3cbb1b89a33a |
eec82323 | 921 | ;;; gnus-cache.el ends here |