1;;; nnfolder.el --- mail folder access for Gnus 2 3;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 4;; 2005, 2006, 2007 Free Software Foundation, Inc. 5 6;; Author: Simon Josefsson <simon@josefsson.org> (adding MARKS) 7;; ShengHuo Zhu <zsh@cs.rochester.edu> (adding NOV) 8;; Scott Byer <byer@mv.us.adobe.com> 9;; Lars Magne Ingebrigtsen <larsi@gnus.org> 10;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet> 11;; Keywords: mail 12 13;; This file is part of GNU Emacs. 14 15;; GNU Emacs is free software; you can redistribute it and/or modify 16;; it under the terms of the GNU General Public License as published by 17;; the Free Software Foundation; either version 2, or (at your option) 18;; any later version. 19 20;; GNU Emacs is distributed in the hope that it will be useful, 21;; but WITHOUT ANY WARRANTY; without even the implied warranty of 22;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 23;; GNU General Public License for more details. 24 25;; You should have received a copy of the GNU General Public License 26;; along with GNU Emacs; see the file COPYING. If not, write to the 27;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 28;; Boston, MA 02110-1301, USA. 29 30;;; Commentary: 31 32;;; Code: 33 34(require 'nnheader) 35(require 'message) 36(require 'nnmail) 37(require 'nnoo) 38(eval-when-compile (require 'cl)) 39(require 'gnus) 40(require 'gnus-util) 41(require 'gnus-range) 42 43(eval-and-compile 44 (autoload 'gnus-article-unpropagatable-p "gnus-sum") 45 (autoload 'gnus-intersection "gnus-range")) 46 47(nnoo-declare nnfolder) 48 49(defvoo nnfolder-directory (expand-file-name message-directory) 50 "The name of the nnfolder directory.") 51 52(defvoo nnfolder-nov-directory nil 53 "The name of the nnfolder NOV directory. 54If nil, `nnfolder-directory' is used.") 55 56(defvoo nnfolder-marks-directory nil 57 "The name of the nnfolder MARKS directory. 58If nil, `nnfolder-directory' is used.") 59 60(defvoo nnfolder-active-file 61 (nnheader-concat nnfolder-directory "active") 62 "The name of the active file.") 63 64;; I renamed this variable to something more in keeping with the general GNU 65;; style. -SLB 66 67(defvoo nnfolder-ignore-active-file nil 68 "If non-nil, the active file is ignored. 69This causes nnfolder to do some extra work in order to determine the 70true active ranges of an mbox file. Note that the active file is 71still saved, but its values are not used. This costs some extra time 72when scanning an mbox when opening it.") 73 74(defvoo nnfolder-distrust-mbox nil 75 "If non-nil, the folder will be distrusted. 76This means that nnfolder will not trust the user with respect to 77inserting unaccounted for mail in the middle of an mbox file. This 78can greatly slow down scans, which now must scan the entire file for 79unmarked messages. When nil, scans occur forward from the last marked 80message, a huge time saver for large mailboxes.") 81 82(defvoo nnfolder-newsgroups-file 83 (concat (file-name-as-directory nnfolder-directory) "newsgroups") 84 "Mail newsgroups description file.") 85 86(defvoo nnfolder-get-new-mail t 87 "If non-nil, nnfolder will check the incoming mail file and split the mail.") 88 89(defvoo nnfolder-prepare-save-mail-hook nil 90 "Hook run narrowed to an article before saving.") 91 92(defvoo nnfolder-save-buffer-hook nil 93 "Hook run before saving the nnfolder mbox buffer.") 94 95 96(defvoo nnfolder-inhibit-expiry nil 97 "If non-nil, inhibit expiry.") 98 99 100 101(defconst nnfolder-version "nnfolder 2.0" 102 "nnfolder version.") 103 104(defconst nnfolder-article-marker "X-Gnus-Article-Number: " 105 "String used to demarcate what the article number for a message is.") 106 107(defvoo nnfolder-current-group nil) 108(defvoo nnfolder-current-buffer nil) 109(defvoo nnfolder-status-string "") 110(defvoo nnfolder-group-alist nil) 111(defvoo nnfolder-buffer-alist nil) 112(defvoo nnfolder-scantime-alist nil) 113(defvoo nnfolder-active-timestamp nil) 114(defvoo nnfolder-active-file-coding-system mm-text-coding-system) 115(defvoo nnfolder-active-file-coding-system-for-write 116 nnmail-active-file-coding-system) 117(defvoo nnfolder-file-coding-system mm-text-coding-system) 118(defvoo nnfolder-file-coding-system-for-write nnheader-file-coding-system 119 "Coding system for save nnfolder file. 120if nil, `nnfolder-file-coding-system' is used.") ; FIXME: fill-in the doc-string of this variable 121 122(defvoo nnfolder-nov-is-evil nil 123 "If non-nil, Gnus will never generate and use nov databases for mail groups. 124Using nov databases will speed up header fetching considerably. 125This variable shouldn't be flipped much. If you have, for some reason, 126set this to t, and want to set it to nil again, you should always run 127the `nnfolder-generate-active-file' command. The function will go 128through all nnfolder directories and generate nov databases for them 129all. This may very well take some time.") 130 131(defvoo nnfolder-nov-file-suffix ".nov") 132 133(defvoo nnfolder-nov-buffer-alist nil) 134 135(defvar nnfolder-nov-buffer-file-name nil) 136 137(defvoo nnfolder-marks-is-evil nil 138 "If non-nil, Gnus will never generate and use marks file for mail groups. 139Using marks files makes it possible to backup and restore mail groups 140separately from `.newsrc.eld'. If you have, for some reason, set 141this to t, and want to set it to nil again, you should always remove 142the corresponding marks file (usually base nnfolder file name 143concatenated with `.mrk', but see `nnfolder-marks-file-suffix') for 144the group. Then the marks file will be regenerated properly by Gnus.") 145 146(defvoo nnfolder-marks nil) 147 148(defvoo nnfolder-marks-file-suffix ".mrk") 149 150(defvar nnfolder-marks-modtime (gnus-make-hashtable)) 151 152 153 154;;; Interface functions 155 156(nnoo-define-basics nnfolder) 157 158(deffoo nnfolder-retrieve-headers (articles &optional group server fetch-old) 159 (save-excursion 160 (set-buffer nntp-server-buffer) 161 (erase-buffer) 162 (let (article start stop num) 163 (nnfolder-possibly-change-group group server) 164 (when nnfolder-current-buffer 165 (set-buffer nnfolder-current-buffer) 166 (goto-char (point-min)) 167 (if (stringp (car articles)) 168 'headers 169 (if (nnfolder-retrieve-headers-with-nov articles fetch-old) 170 'nov 171 (setq articles (gnus-sorted-intersection 172 ;; Is ARTICLES sorted? 173 (sort articles '<) 174 (nnfolder-existing-articles))) 175 (while (setq article (pop articles)) 176 (set-buffer nnfolder-current-buffer) 177 (cond ((nnfolder-goto-article article) 178 (setq start (point)) 179 (setq stop (if (search-forward "\n\n" nil t) 180 (1- (point)) 181 (point-max))) 182 (set-buffer nntp-server-buffer) 183 (insert (format "221 %d Article retrieved.\n" article)) 184 (insert-buffer-substring nnfolder-current-buffer 185 start stop) 186 (goto-char (point-max)) 187 (insert ".\n")) 188 189 ;; If we couldn't find this article, skip over ranges 190 ;; of missing articles so we don't search the whole file 191 ;; for each of them. 192 ((numberp article) 193 (setq start (point)) 194 (and 195 ;; Check that we are either at BOF or after an 196 ;; article with a lower number. We do this so we 197 ;; won't be confused by out-of-order article numbers, 198 ;; as caused by active file bogosity. 199 (cond 200 ((bobp)) 201 ((search-backward (concat "\n" nnfolder-article-marker) 202 nil t) 203 (goto-char (match-end 0)) 204 (setq num (string-to-number 205 (buffer-substring 206 (point) (gnus-point-at-eol)))) 207 (goto-char start) 208 (< num article))) 209 ;; Check that we are before an article with a 210 ;; higher number. 211 (search-forward (concat "\n" nnfolder-article-marker) 212 nil t) 213 (progn 214 (setq num (string-to-number 215 (buffer-substring 216 (point) (gnus-point-at-eol)))) 217 (> num article)) 218 ;; Discard any article numbers before the one we're 219 ;; now looking at. 220 (while (and articles 221 (< (car articles) num)) 222 (setq articles (cdr articles)))) 223 (goto-char start)))) 224 (set-buffer nntp-server-buffer) 225 (nnheader-fold-continuation-lines) 226 'headers)))))) 227 228(deffoo nnfolder-open-server (server &optional defs) 229 (nnoo-change-server 'nnfolder server defs) 230 (nnmail-activate 'nnfolder t) 231 (gnus-make-directory nnfolder-directory) 232 (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) 233 (and nnfolder-nov-directory 234 (gnus-make-directory nnfolder-nov-directory))) 235 (unless nnfolder-marks-is-evil 236 (and nnfolder-marks-directory 237 (gnus-make-directory nnfolder-marks-directory))) 238 (cond 239 ((not (file-exists-p nnfolder-directory)) 240 (nnfolder-close-server) 241 (nnheader-report 'nnfolder "Couldn't create directory: %s" 242 nnfolder-directory)) 243 ((not (file-directory-p (file-truename nnfolder-directory))) 244 (nnfolder-close-server) 245 (nnheader-report 'nnfolder "Not a directory: %s" nnfolder-directory)) 246 (t 247 (nnmail-activate 'nnfolder) 248 (nnheader-report 'nnfolder "Opened server %s using directory %s" 249 server nnfolder-directory) 250 t))) 251 252(deffoo nnfolder-request-close () 253 (let ((alist nnfolder-buffer-alist)) 254 (while alist 255 (nnfolder-close-group (caar alist) nil t) 256 (setq alist (cdr alist)))) 257 (nnoo-close-server 'nnfolder) 258 (setq nnfolder-buffer-alist nil 259 nnfolder-group-alist nil)) 260 261(deffoo nnfolder-request-article (article &optional group server buffer) 262 (nnfolder-possibly-change-group group server) 263 (save-excursion 264 (set-buffer nnfolder-current-buffer) 265 (goto-char (point-min)) 266 (when (nnfolder-goto-article article) 267 (let (start stop) 268 (setq start (point)) 269 (forward-line 1) 270 (unless (and (nnmail-search-unix-mail-delim) 271 (forward-line -1)) 272 (goto-char (point-max))) 273 (setq stop (point)) 274 (let ((nntp-server-buffer (or buffer nntp-server-buffer))) 275 (set-buffer nntp-server-buffer) 276 (erase-buffer) 277 (insert-buffer-substring nnfolder-current-buffer start stop) 278 (goto-char (point-min)) 279 (while (looking-at "From ") 280 (delete-char 5) 281 (insert "X-From-Line: ") 282 (forward-line 1)) 283 (if (numberp article) 284 (cons nnfolder-current-group article) 285 (goto-char (point-min)) 286 (cons nnfolder-current-group 287 (if (search-forward (concat "\n" nnfolder-article-marker) 288 nil t) 289 (string-to-number (buffer-substring 290 (point) (gnus-point-at-eol))) 291 -1)))))))) 292 293(deffoo nnfolder-request-group (group &optional server dont-check) 294 (nnfolder-possibly-change-group group server t) 295 (save-excursion 296 (if (not (assoc group nnfolder-group-alist)) 297 (nnheader-report 'nnfolder "No such group: %s" group) 298 (if dont-check 299 (progn 300 (nnheader-report 'nnfolder "Selected group %s" group) 301 t) 302 (let* ((active (assoc group nnfolder-group-alist)) 303 (group (car active)) 304 (range (cadr active))) 305 (cond 306 ((null active) 307 (nnheader-report 'nnfolder "No such group: %s" group)) 308 ((null nnfolder-current-group) 309 (nnheader-report 'nnfolder "Empty group: %s" group)) 310 (t 311 (nnheader-report 'nnfolder "Selected group %s" group) 312 (nnheader-insert "211 %d %d %d %s\n" 313 (1+ (- (cdr range) (car range))) 314 (car range) (cdr range) group)))))))) 315 316(deffoo nnfolder-request-scan (&optional group server) 317 (nnfolder-possibly-change-group nil server) 318 (when nnfolder-get-new-mail 319 (nnfolder-possibly-change-group group server) 320 (nnmail-get-new-mail 321 'nnfolder 322 (lambda () 323 (let ((bufs nnfolder-buffer-alist)) 324 (save-excursion 325 (while bufs 326 (if (not (gnus-buffer-live-p (nth 1 (car bufs)))) 327 (setq nnfolder-buffer-alist 328 (delq (car bufs) nnfolder-buffer-alist)) 329 (set-buffer (nth 1 (car bufs))) 330 (nnfolder-save-buffer) 331 (kill-buffer (current-buffer))) 332 (setq bufs (cdr bufs)))))) 333 nnfolder-directory 334 group))) 335 336;; Don't close the buffer if we're not shutting down the server. This way, 337;; we can keep the buffer in the group buffer cache, and not have to grovel 338;; over the buffer again unless we add new mail to it or modify it in some 339;; way. 340 341(deffoo nnfolder-close-group (group &optional server force) 342 ;; Make sure we _had_ the group open. 343 (when (or (assoc group nnfolder-buffer-alist) 344 (equal group nnfolder-current-group)) 345 (let ((inf (assoc group nnfolder-buffer-alist))) 346 (when inf 347 (when (and nnfolder-current-group 348 nnfolder-current-buffer) 349 (push (list nnfolder-current-group nnfolder-current-buffer) 350 nnfolder-buffer-alist)) 351 (setq nnfolder-buffer-alist 352 (delq inf nnfolder-buffer-alist)) 353 (setq nnfolder-current-buffer (cadr inf) 354 nnfolder-current-group (car inf)))) 355 (when (and nnfolder-current-buffer 356 (buffer-name nnfolder-current-buffer)) 357 (save-excursion 358 (set-buffer nnfolder-current-buffer) 359 ;; If the buffer was modified, write the file out now. 360 (nnfolder-save-buffer) 361 ;; If we're shutting the server down, we need to kill the 362 ;; buffer and remove it from the open buffer list. Or, of 363 ;; course, if we're trying to minimize our space impact. 364 (kill-buffer (current-buffer)) 365 (setq nnfolder-buffer-alist (delq (assoc group nnfolder-buffer-alist) 366 nnfolder-buffer-alist))))) 367 (setq nnfolder-current-group nil 368 nnfolder-current-buffer nil) 369 t) 370 371(deffoo nnfolder-request-create-group (group &optional server args) 372 (nnfolder-possibly-change-group nil server) 373 (nnmail-activate 'nnfolder) 374 (when (and group 375 (not (assoc group nnfolder-group-alist))) 376 (push (list group (cons 1 0)) nnfolder-group-alist) 377 (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) 378 (save-current-buffer 379 (nnfolder-read-folder group))) 380 t) 381 382(deffoo nnfolder-request-list (&optional server) 383 (nnfolder-possibly-change-group nil server) 384 (save-excursion 385 (let ((nnmail-file-coding-system nnfolder-active-file-coding-system)) 386 (nnmail-find-file nnfolder-active-file) 387 (setq nnfolder-group-alist (nnmail-get-active))) 388 t)) 389 390(deffoo nnfolder-request-newgroups (date &optional server) 391 (nnfolder-possibly-change-group nil server) 392 (nnfolder-request-list server)) 393 394(deffoo nnfolder-request-list-newsgroups (&optional server) 395 (nnfolder-possibly-change-group nil server) 396 (save-excursion 397 (let ((nnmail-file-coding-system nnfolder-file-coding-system)) 398 (nnmail-find-file nnfolder-newsgroups-file)))) 399 400;; Return a list consisting of all article numbers existing in the 401;; current folder. 402 403(defun nnfolder-existing-articles () 404 (save-excursion 405 (when nnfolder-current-buffer 406 (set-buffer nnfolder-current-buffer) 407 (goto-char (point-min)) 408 (let ((marker (concat "\n" nnfolder-article-marker)) 409 (number "[0-9]+") 410 numbers) 411 (while (and (search-forward marker nil t) 412 (re-search-forward number nil t)) 413 (let ((newnum (string-to-number (match-string 0)))) 414 (if (nnmail-within-headers-p) 415 (push newnum numbers)))) 416 ;; The article numbers are increasing, so this result is sorted. 417 (nreverse numbers))))) 418 419(deffoo nnfolder-request-expire-articles 420 (articles newsgroup &optional server force) 421 (nnfolder-possibly-change-group newsgroup server) 422 (let* ((is-old t) 423 ;; The articles we have deleted so far. 424 (deleted-articles nil) 425 ;; The articles that really exist and will 426 ;; be expired if they are old enough. 427 (maybe-expirable 428 (gnus-sorted-intersection articles (nnfolder-existing-articles)))) 429 (nnmail-activate 'nnfolder) 430 431 (save-excursion 432 (set-buffer nnfolder-current-buffer) 433 ;; Since messages are sorted in arrival order and expired in the 434 ;; same order, we can stop as soon as we find a message that is 435 ;; too old. 436 (while (and maybe-expirable is-old) 437 (goto-char (point-min)) 438 (when (and (nnfolder-goto-article (car maybe-expirable)) 439 (search-forward (concat "\n" nnfolder-article-marker) 440 nil t)) 441 (forward-sexp) 442 (when (setq is-old 443 (nnmail-expired-article-p 444 newsgroup 445 (buffer-substring 446 (point) (progn (end-of-line) (point))) 447 force nnfolder-inhibit-expiry)) 448 (unless (eq nnmail-expiry-target 'delete) 449 (with-temp-buffer 450 (nnfolder-request-article (car maybe-expirable) 451 newsgroup server (current-buffer)) 452 (let ((nnfolder-current-directory nil)) 453 (nnmail-expiry-target-group 454 nnmail-expiry-target newsgroup))) 455 (nnfolder-possibly-change-group newsgroup server)) 456 (nnheader-message 5 "Deleting article %d in %s..." 457 (car maybe-expirable) newsgroup) 458 (nnfolder-delete-mail) 459 (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) 460 (nnfolder-nov-delete-article newsgroup (car maybe-expirable))) 461 ;; Must remember which articles were actually deleted 462 (push (car maybe-expirable) deleted-articles))) 463 (setq maybe-expirable (cdr maybe-expirable))) 464 (unless nnfolder-inhibit-expiry 465 (nnheader-message 5 "Deleting articles...done")) 466 (nnfolder-save-buffer) 467 (nnfolder-adjust-min-active newsgroup) 468 (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) 469 (gnus-sorted-difference articles (nreverse deleted-articles))))) 470 471(deffoo nnfolder-request-move-article (article group server 472 accept-form &optional last) 473 (save-excursion 474 (let ((buf (get-buffer-create " *nnfolder move*")) 475 result) 476 (and 477 (nnfolder-request-article article group server) 478 (save-excursion 479 (set-buffer buf) 480 (erase-buffer) 481 (insert-buffer-substring nntp-server-buffer) 482 (goto-char (point-min)) 483 (while (re-search-forward 484 (concat "^" nnfolder-article-marker) 485 (save-excursion (and (search-forward "\n\n" nil t) (point))) 486 t) 487 (gnus-delete-line)) 488 (setq result (eval accept-form)) 489 (kill-buffer buf) 490 result) 491 (save-excursion 492 (nnfolder-possibly-change-group group server) 493 (set-buffer nnfolder-current-buffer) 494 (goto-char (point-min)) 495 (when (nnfolder-goto-article article) 496 (nnfolder-delete-mail)) 497 (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) 498 (nnfolder-nov-delete-article group article)) 499 (when last 500 (nnfolder-save-buffer) 501 (nnfolder-adjust-min-active group) 502 (nnfolder-save-active nnfolder-group-alist nnfolder-active-file)))) 503 result))) 504 505(deffoo nnfolder-request-accept-article (group &optional server last) 506 (save-excursion 507 (nnfolder-possibly-change-group group server) 508 (nnmail-check-syntax) 509 (let ((buf (current-buffer)) 510 result art-group) 511 (goto-char (point-min)) 512 (when (looking-at "X-From-Line: ") 513 (replace-match "From ") 514 (while (progn (forward-line) (looking-at "[ \t]")) 515 (delete-char -1))) 516 (with-temp-buffer 517 (let ((nnmail-file-coding-system nnfolder-active-file-coding-system) 518 (nntp-server-buffer (current-buffer))) 519 (nnmail-find-file nnfolder-active-file) 520 (setq nnfolder-group-alist (nnmail-parse-active)))) 521 (save-excursion 522 (goto-char (point-min)) 523 (if (search-forward "\n\n" nil t) 524 (forward-line -1) 525 (goto-char (point-max))) 526 (while (re-search-backward (concat "^" nnfolder-article-marker) nil t) 527 (delete-region (point) (progn (forward-line 1) (point)))) 528 (when nnmail-cache-accepted-message-ids 529 (nnmail-cache-insert (nnmail-fetch-field "message-id") 530 group 531 (nnmail-fetch-field "subject") 532 (nnmail-fetch-field "from"))) 533 (setq result (if (stringp group) 534 (list (cons group (nnfolder-active-number group))) 535 (setq art-group 536 (nnmail-article-group 'nnfolder-active-number)))) 537 (if (and (null result) 538 (yes-or-no-p "Moved to `junk' group; delete article? ")) 539 (setq result 'junk) 540 (setq result 541 (car (nnfolder-save-mail result))))) 542 (when last 543 (save-excursion 544 (nnfolder-possibly-change-folder (or (caar art-group) group)) 545 (nnfolder-save-buffer) 546 (when nnmail-cache-accepted-message-ids 547 (nnmail-cache-close)))) 548 (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) 549 (unless result 550 (nnheader-report 'nnfolder "Couldn't store article")) 551 result))) 552 553(deffoo nnfolder-request-replace-article (article group buffer) 554 (nnfolder-possibly-change-group group) 555 (save-excursion 556 (set-buffer buffer) 557 (goto-char (point-min)) 558 (if (not (looking-at "X-From-Line: ")) 559 (insert "From nobody " (current-time-string) "\n") 560 (replace-match "From ") 561 (forward-line 1) 562 (while (looking-at "[ \t]") 563 (delete-char -1) 564 (forward-line 1))) 565 (nnfolder-normalize-buffer) 566 (set-buffer nnfolder-current-buffer) 567 (goto-char (point-min)) 568 (if (not (nnfolder-goto-article article)) 569 nil 570 (nnfolder-delete-mail) 571 (insert-buffer-substring buffer) 572 (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) 573 (save-excursion 574 (set-buffer buffer) 575 (let ((headers (nnfolder-parse-head article 576 (point-min) (point-max)))) 577 (with-current-buffer (nnfolder-open-nov group) 578 (if (nnheader-find-nov-line article) 579 (delete-region (point) (progn (forward-line 1) (point)))) 580 (nnheader-insert-nov headers))))) 581 (nnfolder-save-buffer) 582 t))) 583 584(deffoo nnfolder-request-delete-group (group &optional force server) 585 (nnfolder-close-group group server t) 586 ;; Delete all articles in GROUP. 587 (if (not force) 588 () ; Don't delete the articles. 589 ;; Delete the file that holds the group. 590 (let ((data (nnfolder-group-pathname group)) 591 (nov (nnfolder-group-nov-pathname group)) 592 (mrk (nnfolder-group-marks-pathname group))) 593 (ignore-errors (delete-file data)) 594 (ignore-errors (delete-file nov)) 595 (ignore-errors (delete-file mrk)))) 596 ;; Remove the group from all structures. 597 (setq nnfolder-group-alist 598 (delq (assoc group nnfolder-group-alist) nnfolder-group-alist) 599 nnfolder-current-group nil 600 nnfolder-current-buffer nil) 601 ;; Save the active file. 602 (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) 603 t) 604 605(deffoo nnfolder-request-rename-group (group new-name &optional server) 606 (nnfolder-possibly-change-group group server) 607 (save-excursion 608 (set-buffer nnfolder-current-buffer) 609 (and (file-writable-p buffer-file-name) 610 (ignore-errors 611 (let ((new-file (nnfolder-group-pathname new-name))) 612 (gnus-make-directory (file-name-directory new-file)) 613 (rename-file buffer-file-name new-file) 614 (when (file-exists-p (nnfolder-group-nov-pathname group)) 615 (setq new-file (nnfolder-group-nov-pathname new-name)) 616 (gnus-make-directory (file-name-directory new-file)) 617 (rename-file (nnfolder-group-nov-pathname group) new-file)) 618 (when (file-exists-p (nnfolder-group-marks-pathname group)) 619 (setq new-file (nnfolder-group-marks-pathname new-name)) 620 (gnus-make-directory (file-name-directory new-file)) 621 (rename-file (nnfolder-group-marks-pathname group) new-file))) 622 t) 623 ;; That went ok, so we change the internal structures. 624 (let ((entry (assoc group nnfolder-group-alist))) 625 (and entry (setcar entry new-name)) 626 (setq nnfolder-current-buffer nil 627 nnfolder-current-group nil) 628 ;; Save the new group alist. 629 (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) 630 ;; We kill the buffer instead of renaming it and stuff. 631 (kill-buffer (current-buffer)) 632 t)))) 633 634(deffoo nnfolder-request-regenerate (server) 635 (nnfolder-possibly-change-group nil server) 636 (nnfolder-generate-active-file) 637 t) 638 639 640;;; Internal functions. 641 642(defun nnfolder-adjust-min-active (group) 643 ;; Find the lowest active article in this group. 644 (let* ((active (cadr (assoc group nnfolder-group-alist))) 645 (marker (concat "\n" nnfolder-article-marker)) 646 (number "[0-9]+") 647 (activemin (cdr active))) 648 (save-excursion 649 (set-buffer nnfolder-current-buffer) 650 (goto-char (point-min)) 651 (while (and (search-forward marker nil t) 652 (re-search-forward number nil t)) 653 (let ((newnum (string-to-number (match-string 0)))) 654 (if (nnmail-within-headers-p) 655 (setq activemin (min activemin newnum))))) 656 (setcar active activemin)))) 657 658(defun nnfolder-article-string (article) 659 (if (numberp article) 660 (concat "\n" nnfolder-article-marker (int-to-string article) " ") 661 (concat "\nMessage-ID: " article))) 662 663(defun nnfolder-goto-article (article) 664 "Place point at the start of the headers of ARTICLE. 665ARTICLE can be an article number or a Message-ID. 666Returns t if successful, nil otherwise." 667 (let ((art-string (nnfolder-article-string article)) 668 start found) 669 ;; It is likely that we are at or before the delimiter line. 670 ;; We therefore go to the end of the previous line, and start 671 ;; searching from there. 672 (beginning-of-line) 673 (unless (bobp) 674 (forward-char -1)) 675 (setq start (point)) 676 ;; First search forward. 677 (while (and (setq found (search-forward art-string nil t)) 678 (not (nnmail-within-headers-p)))) 679 ;; If unsuccessful, search backward from where we started, 680 (unless found 681 (goto-char start) 682 (while (and (setq found (search-backward art-string nil t)) 683 (not (nnmail-within-headers-p))))) 684 (when found 685 (nnmail-search-unix-mail-delim-backward)))) 686 687(defun nnfolder-delete-mail (&optional leave-delim) 688 "Delete the message that point is in. 689If optional argument LEAVE-DELIM is t, then mailbox delimiter is not 690deleted. Point is left where the deleted region was." 691 (save-restriction 692 (narrow-to-region 693 (save-excursion 694 ;; In case point is at the beginning of the message already. 695 (forward-line 1) 696 (nnmail-search-unix-mail-delim-backward) 697 (if leave-delim (progn (forward-line 1) (point)) 698 (point))) 699 (progn 700 (forward-line 1) 701 (if (nnmail-search-unix-mail-delim) 702 (point) 703 (point-max)))) 704 (run-hooks 'nnfolder-delete-mail-hook) 705 (delete-region (point-min) (point-max)))) 706 707(defun nnfolder-possibly-change-group (group &optional server dont-check) 708 ;; Change servers. 709 (when (and server 710 (not (nnfolder-server-opened server))) 711 (nnfolder-open-server server)) 712 (unless (gnus-buffer-live-p nnfolder-current-buffer) 713 (setq nnfolder-current-buffer nil 714 nnfolder-current-group nil)) 715 ;; Change group. 716 (let ((file-name-coding-system nnmail-pathname-coding-system)) 717 (when (and group 718 (not (equal group nnfolder-current-group)) 719 (progn 720 (nnmail-activate 'nnfolder) 721 (and (assoc group nnfolder-group-alist) 722 (file-exists-p (nnfolder-group-pathname group))))) 723 (if dont-check 724 (setq nnfolder-current-group group 725 nnfolder-current-buffer nil) 726 (let (inf file) 727 ;; If we have to change groups, see if we don't already have 728 ;; the folder in memory. If we do, verify the modtime and 729 ;; destroy the folder if needed so we can rescan it. 730 (setq nnfolder-current-buffer 731 (nth 1 (assoc group nnfolder-buffer-alist))) 732 733 ;; If the buffer is not live, make sure it isn't in the 734 ;; alist. If it is live, verify that nobody else has 735 ;; touched the file since last time. 736 (when (and nnfolder-current-buffer 737 (not (gnus-buffer-live-p nnfolder-current-buffer))) 738 (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist) 739 nnfolder-current-buffer nil)) 740 741 (setq nnfolder-current-group group) 742 743 (when (or (not nnfolder-current-buffer) 744 (not (verify-visited-file-modtime 745 nnfolder-current-buffer))) 746 (save-excursion 747 (setq file (nnfolder-group-pathname group)) 748 ;; See whether we need to create the new file. 749 (unless (file-exists-p file) 750 (gnus-make-directory (file-name-directory file)) 751 (let ((nnmail-file-coding-system 752 (or nnfolder-file-coding-system-for-write 753 nnfolder-file-coding-system-for-write))) 754 (nnmail-write-region (point-min) (point-min) 755 file t 'nomesg))) 756 (when (setq nnfolder-current-buffer (nnfolder-read-folder group)) 757 (set-buffer nnfolder-current-buffer) 758 (push (list group nnfolder-current-buffer) 759 nnfolder-buffer-alist))))))))) 760 761(defun nnfolder-save-mail (group-art-list) 762 "Called narrowed to an article." 763 (let* (save-list group-art) 764 (goto-char (point-min)) 765 ;; The From line may have been quoted by movemail. 766 (when (looking-at ">From") 767 (delete-char 1)) 768 ;; This might come from somewhere else. 769 (unless (looking-at "From ") 770 (insert "From nobody " (current-time-string) "\n") 771 (goto-char (point-min))) 772 ;; Quote all "From " lines in the article. 773 (forward-line 1) 774 (let (case-fold-search) 775 (while (re-search-forward "^From " nil t) 776 (beginning-of-line) 777 (insert "> "))) 778 (setq save-list group-art-list) 779 (nnmail-insert-lines) 780 (nnmail-insert-xref group-art-list) 781 (run-hooks 'nnmail-prepare-save-mail-hook) 782 (run-hooks 'nnfolder-prepare-save-mail-hook) 783 784 ;; Insert the mail into each of the destination groups. 785 (while (setq group-art (pop group-art-list)) 786 ;; Kill any previous newsgroup markers. 787 (goto-char (point-min)) 788 (if (search-forward "\n\n" nil t) 789 (forward-line -1) 790 (goto-char (point-max))) 791 (while (search-backward (concat "\n" nnfolder-article-marker) nil t) 792 (delete-region (1+ (point)) (progn (forward-line 2) (point)))) 793 794 ;; Insert the new newsgroup marker. 795 (nnfolder-insert-newsgroup-line group-art) 796 797 (save-excursion 798 (let ((beg (point-min)) 799 (end (point-max)) 800 (obuf (current-buffer))) 801 (nnfolder-possibly-change-folder (car group-art)) 802 (let ((buffer-read-only nil)) 803 (nnfolder-normalize-buffer) 804 (insert-buffer-substring obuf beg end)) 805 (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) 806 (set-buffer obuf) 807 (nnfolder-add-nov (car group-art) (cdr group-art) 808 (nnfolder-parse-head nil beg end)))))) 809 810 ;; Did we save it anywhere? 811 save-list)) 812 813(defun nnfolder-normalize-buffer () 814 "Make sure there are two newlines at the end of the buffer." 815 (goto-char (point-max)) 816 (skip-chars-backward "\n") 817 (delete-region (point) (point-max)) 818 (unless (bobp) 819 (insert "\n\n"))) 820 821(defun nnfolder-insert-newsgroup-line (group-art) 822 (save-excursion 823 (goto-char (point-min)) 824 (unless (search-forward "\n\n" nil t) 825 (goto-char (point-max)) 826 (insert "\n")) 827 (forward-char -1) 828 (insert (format (concat nnfolder-article-marker "%d %s\n") 829 (cdr group-art) (message-make-date))))) 830 831(defun nnfolder-active-number (group) 832 ;; Find the next article number in GROUP. 833 (let ((active (cadr (assoc group nnfolder-group-alist)))) 834 (if active 835 (setcdr active (1+ (cdr active))) 836 ;; This group is new, so we create a new entry for it. 837 ;; This might be a bit naughty... creating groups on the drop of 838 ;; a hat, but I don't know... 839 (push (list group (setq active (cons 1 1))) 840 nnfolder-group-alist)) 841 (cdr active))) 842 843(defun nnfolder-possibly-change-folder (group) 844 (let ((inf (assoc group nnfolder-buffer-alist))) 845 (if (and inf 846 (gnus-buffer-live-p (cadr inf))) 847 (set-buffer (cadr inf)) 848 (when inf 849 (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist))) 850 (when nnfolder-group-alist 851 (nnfolder-save-active nnfolder-group-alist nnfolder-active-file)) 852 (push (list group (nnfolder-read-folder group)) 853 nnfolder-buffer-alist)))) 854 855;; This method has a problem if you've accidentally let the active 856;; list get out of sync with the files. This could happen, say, if 857;; you've accidentally gotten new mail with something other than Gnus 858;; (but why would _that_ ever happen? :-). In that case, we will be 859;; in the middle of processing the file, ready to add new X-Gnus 860;; article number markers, and we'll run across a message with no ID 861;; yet - the active list _may_not_ be ready for us yet. 862 863;; To handle this, I'm modifying this routine to maintain the maximum 864;; ID seen so far, and when we hit a message with no ID, we will 865;; _manually_ scan the rest of the message looking for any more, 866;; possibly higher IDs. We'll assume the maximum that we find is the 867;; highest active. Note that this shouldn't cost us much extra time 868;; at all, but will be a lot less vulnerable to glitches between the 869;; mbox and the active file. 870 871(defun nnfolder-read-folder (group) 872 (let* ((file (nnfolder-group-pathname group)) 873 (nov (nnfolder-group-nov-pathname group)) 874 (buffer (set-buffer 875 (let ((nnheader-file-coding-system 876 nnfolder-file-coding-system)) 877 (nnheader-find-file-noselect file t))))) 878 (mm-enable-multibyte) ;; Use multibyte buffer for future copying. 879 (buffer-disable-undo) 880 (if (equal (cadr (assoc group nnfolder-scantime-alist)) 881 (nth 5 (file-attributes file))) 882 ;; This looks up-to-date, so we don't do any scanning. 883 (if (file-exists-p file) 884 buffer 885 (push (list group buffer) nnfolder-buffer-alist) 886 (set-buffer-modified-p t) 887 (nnfolder-save-buffer)) 888 ;; Parse the damn thing. 889 (save-excursion 890 (goto-char (point-min)) 891 ;; Remove any blank lines at the start. 892 (while (eq (following-char) ?\n) 893 (delete-char 1)) 894 (nnmail-activate 'nnfolder) 895 ;; Read in the file. 896 (let ((delim "^From ") 897 (marker (concat "\n" nnfolder-article-marker)) 898 (number "[0-9]+") 899 (active (or (cadr (assoc group nnfolder-group-alist)) 900 (cons 1 0))) 901 (scantime (assoc group nnfolder-scantime-alist)) 902 (minid (lsh -1 -1)) 903 maxid start end newscantime 904 novbuf articles newnum 905 buffer-read-only) 906 (setq maxid (cdr active)) 907 908 (unless (or gnus-nov-is-evil nnfolder-nov-is-evil 909 (and (file-exists-p nov) 910 (file-newer-than-file-p nov file))) 911 (unless (file-exists-p nov) 912 (gnus-make-directory (file-name-directory nov))) 913 (with-current-buffer 914 (setq novbuf (nnfolder-open-nov group)) 915 (goto-char (point-min)) 916 (while (not (eobp)) 917 (push (read novbuf) articles) 918 (forward-line 1)) 919 (setq articles (nreverse articles)))) 920 (goto-char (point-min)) 921 922 ;; Anytime the active number is 1 or 0, it is suspect. In 923 ;; that case, search the file manually to find the active 924 ;; number. Or, of course, if we're being paranoid. (This 925 ;; would also be the place to build other lists from the 926 ;; header markers, such as expunge lists, etc., if we ever 927 ;; desired to abandon the active file entirely for mboxes.) 928 (when (or nnfolder-ignore-active-file 929 novbuf 930 (< maxid 2)) 931 (while (and (search-forward marker nil t) 932 (looking-at number)) 933 (setq newnum (string-to-number (match-string 0))) 934 (when (nnmail-within-headers-p) 935 (setq maxid (max maxid newnum) 936 minid (min minid newnum)) 937 (when novbuf 938 (if (memq newnum articles) 939 (setq articles (delq newnum articles)) 940 (let ((headers (nnfolder-parse-head newnum))) 941 (with-current-buffer novbuf 942 (nnheader-find-nov-line newnum) 943 (nnheader-insert-nov headers))))))) 944 (when (and novbuf articles) 945 (with-current-buffer novbuf 946 (dolist (article articles) 947 (when (nnheader-find-nov-line article) 948 (delete-region (point) 949 (progn (forward-line 1) (point))))))) 950 (setcar active (max 1 (min minid maxid))) 951 (setcdr active (max maxid (cdr active))) 952 (goto-char (point-min))) 953 954 ;; As long as we trust that the user will only insert 955 ;; unmarked mail at the end, go to the end and search 956 ;; backwards for the last marker. Find the start of that 957 ;; message, and begin to search for unmarked messages from 958 ;; there. 959 (when (not (or nnfolder-distrust-mbox 960 (< maxid 2))) 961 (goto-char (point-max)) 962 (unless (re-search-backward marker nil t) 963 (goto-char (point-min))) 964 ;;(when (nnmail-search-unix-mail-delim) 965 ;; (goto-char (point-min))) 966 ) 967 968 ;; Keep track of the active number on our own, and insert it 969 ;; back into the active list when we're done. Also, prime 970 ;; the pump to cut down on the number of searches we do. 971 (unless (nnmail-search-unix-mail-delim) 972 (goto-char (point-max))) 973 (setq end (point-marker)) 974 (while (not (= end (point-max))) 975 (setq start (marker-position end)) 976 (goto-char end) 977 ;; There may be more than one "From " line, so we skip past 978 ;; them. 979 (while (looking-at delim) 980 (forward-line 1)) 981 (set-marker end (if (nnmail-search-unix-mail-delim) 982 (point) 983 (point-max))) 984 (goto-char start) 985 (when (not (search-forward marker end t)) 986 (narrow-to-region start end) 987 (nnmail-insert-lines) 988 (nnfolder-insert-newsgroup-line 989 (cons nil 990 (setq newnum 991 (nnfolder-active-number group)))) 992 (when novbuf 993 (let ((headers (nnfolder-parse-head newnum (point-min) 994 (point-max)))) 995 (with-current-buffer novbuf 996 (goto-char (point-max)) 997 (nnheader-insert-nov headers)))) 998 (widen))) 999 1000 (set-marker end nil) 1001 ;; Make absolutely sure that the active list reflects 1002 ;; reality! 1003 (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) 1004 1005 ;; Set the scantime for this group. 1006 (setq newscantime (visited-file-modtime)) 1007 (if scantime 1008 (setcdr scantime (list newscantime)) 1009 (push (list group newscantime) 1010 nnfolder-scantime-alist)) 1011 ;; Save nov. 1012 (when novbuf 1013 (nnfolder-save-nov)) 1014 (current-buffer)))))) 1015 1016;;;###autoload 1017(defun nnfolder-generate-active-file () 1018 "Look for mbox folders in the nnfolder directory and make them into groups. 1019This command does not work if you use short group names." 1020 (interactive) 1021 (nnmail-activate 'nnfolder) 1022 (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) 1023 (dolist (file (directory-files (or nnfolder-nov-directory 1024 nnfolder-directory) 1025 t 1026 (concat 1027 (regexp-quote nnfolder-nov-file-suffix) 1028 "$"))) 1029 (when (not (message-mail-file-mbox-p file)) 1030 (ignore-errors 1031 (delete-file file))))) 1032 (let ((files (directory-files nnfolder-directory)) 1033 file) 1034 (while (setq file (pop files)) 1035 (when (and (not (backup-file-name-p file)) 1036 (message-mail-file-mbox-p 1037 (nnheader-concat nnfolder-directory file))) 1038 (let ((oldgroup (assoc file nnfolder-group-alist))) 1039 (if oldgroup 1040 (nnheader-message 5 "Refreshing group %s..." file) 1041 (nnheader-message 5 "Adding group %s..." file)) 1042 (if oldgroup 1043 (setq nnfolder-group-alist 1044 (delq oldgroup (copy-sequence nnfolder-group-alist)))) 1045 (push (list file (cons 1 0)) nnfolder-group-alist) 1046 (nnfolder-possibly-change-folder file) 1047 (nnfolder-possibly-change-group file) 1048 (nnfolder-close-group file)))) 1049 (nnheader-message 5 ""))) 1050 1051(defun nnfolder-group-pathname (group) 1052 "Make file name for GROUP." 1053 (setq group 1054 (mm-encode-coding-string group nnmail-pathname-coding-system)) 1055 (let ((dir (file-name-as-directory (expand-file-name nnfolder-directory)))) 1056 ;; If this file exists, we use it directly. 1057 (if (or nnmail-use-long-file-names 1058 (file-exists-p (concat dir group))) 1059 (concat dir group) 1060 ;; If not, we translate dots into slashes. 1061 (concat dir (nnheader-replace-chars-in-string group ?. ?/))))) 1062 1063(defun nnfolder-group-nov-pathname (group) 1064 "Make pathname for GROUP NOV." 1065 (let ((nnfolder-directory 1066 (or nnfolder-nov-directory nnfolder-directory))) 1067 (concat (nnfolder-group-pathname group) nnfolder-nov-file-suffix))) 1068 1069(defun nnfolder-save-buffer () 1070 "Save the buffer." 1071 (when (buffer-modified-p) 1072 (run-hooks 'nnfolder-save-buffer-hook) 1073 (gnus-make-directory (file-name-directory (buffer-file-name))) 1074 (let ((coding-system-for-write 1075 (or nnfolder-file-coding-system-for-write 1076 nnfolder-file-coding-system))) 1077 (save-buffer))) 1078 (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) 1079 (nnfolder-save-nov))) 1080 1081(defun nnfolder-save-active (group-alist active-file) 1082 (let ((nnmail-active-file-coding-system 1083 (or nnfolder-active-file-coding-system-for-write 1084 nnfolder-active-file-coding-system))) 1085 (nnmail-save-active group-alist active-file))) 1086 1087(defun nnfolder-open-nov (group) 1088 (or (cdr (assoc group nnfolder-nov-buffer-alist)) 1089 (let ((buffer (get-buffer-create (format " *nnfolder overview %s*" group)))) 1090 (save-excursion 1091 (set-buffer buffer) 1092 (set (make-local-variable 'nnfolder-nov-buffer-file-name) 1093 (nnfolder-group-nov-pathname group)) 1094 (erase-buffer) 1095 (when (file-exists-p nnfolder-nov-buffer-file-name) 1096 (nnheader-insert-file-contents nnfolder-nov-buffer-file-name))) 1097 (push (cons group buffer) nnfolder-nov-buffer-alist) 1098 buffer))) 1099 1100(defun nnfolder-save-nov () 1101 (save-excursion 1102 (while nnfolder-nov-buffer-alist 1103 (when (buffer-name (cdar nnfolder-nov-buffer-alist)) 1104 (set-buffer (cdar nnfolder-nov-buffer-alist)) 1105 (when (buffer-modified-p) 1106 (gnus-make-directory (file-name-directory 1107 nnfolder-nov-buffer-file-name)) 1108 (nnmail-write-region 1 (point-max) nnfolder-nov-buffer-file-name 1109 nil 'nomesg)) 1110 (set-buffer-modified-p nil) 1111 (kill-buffer (current-buffer))) 1112 (setq nnfolder-nov-buffer-alist (cdr nnfolder-nov-buffer-alist))))) 1113 1114(defun nnfolder-nov-delete-article (group article) 1115 (save-excursion 1116 (set-buffer (nnfolder-open-nov group)) 1117 (when (nnheader-find-nov-line article) 1118 (delete-region (point) (progn (forward-line 1) (point)))) 1119 t)) 1120 1121(defun nnfolder-retrieve-headers-with-nov (articles &optional fetch-old) 1122 (if (or gnus-nov-is-evil nnfolder-nov-is-evil) 1123 nil 1124 (let ((nov (nnfolder-group-nov-pathname nnfolder-current-group))) 1125 (when (file-exists-p nov) 1126 (save-excursion 1127 (set-buffer nntp-server-buffer) 1128 (erase-buffer) 1129 (nnheader-insert-file-contents nov) 1130 (if (and fetch-old 1131 (not (numberp fetch-old))) 1132 t ; Don't remove anything. 1133 (nnheader-nov-delete-outside-range 1134 (if fetch-old (max 1 (- (car articles) fetch-old)) 1135 (car articles)) 1136 (car (last articles))) 1137 t)))))) 1138 1139(defun nnfolder-parse-head (&optional number b e) 1140 "Parse the head of the current buffer." 1141 (let ((buf (current-buffer)) 1142 chars) 1143 (save-excursion 1144 (unless b 1145 (setq b (if (nnmail-search-unix-mail-delim-backward) 1146 (point) (point-min))) 1147 (forward-line 1) 1148 (setq e (if (nnmail-search-unix-mail-delim) 1149 (point) (point-max)))) 1150 (setq chars (- e b)) 1151 (unless (zerop chars) 1152 (goto-char b) 1153 (if (search-forward "\n\n" e t) (setq e (1- (point))))) 1154 (with-temp-buffer 1155 (insert-buffer-substring buf b e) 1156 (let ((headers (nnheader-parse-naked-head))) 1157 (mail-header-set-chars headers chars) 1158 (mail-header-set-number headers number) 1159 headers))))) 1160 1161(defun nnfolder-add-nov (group article headers) 1162 "Add a nov line for the GROUP base." 1163 (save-excursion 1164 (set-buffer (nnfolder-open-nov group)) 1165 (goto-char (point-max)) 1166 (mail-header-set-number headers article) 1167 (nnheader-insert-nov headers))) 1168 1169(deffoo nnfolder-request-set-mark (group actions &optional server) 1170 (when (and server 1171 (not (nnfolder-server-opened server))) 1172 (nnfolder-open-server server)) 1173 (unless nnfolder-marks-is-evil 1174 (nnfolder-open-marks group server) 1175 (dolist (action actions) 1176 (let ((range (nth 0 action)) 1177 (what (nth 1 action)) 1178 (marks (nth 2 action))) 1179 (assert (or (eq what 'add) (eq what 'del)) nil 1180 "Unknown request-set-mark action: %s" what) 1181 (dolist (mark marks) 1182 (setq nnfolder-marks (gnus-update-alist-soft 1183 mark 1184 (funcall (if (eq what 'add) 'gnus-range-add 1185 'gnus-remove-from-range) 1186 (cdr (assoc mark nnfolder-marks)) range) 1187 nnfolder-marks))))) 1188 (nnfolder-save-marks group server)) 1189 nil) 1190 1191(deffoo nnfolder-request-update-info (group info &optional server) 1192 ;; Change servers. 1193 (when (and server 1194 (not (nnfolder-server-opened server))) 1195 (nnfolder-open-server server)) 1196 (when (and (not nnfolder-marks-is-evil) (nnfolder-marks-changed-p group)) 1197 (nnheader-message 8 "Updating marks for %s..." group) 1198 (nnfolder-open-marks group server) 1199 ;; Update info using `nnfolder-marks'. 1200 (mapcar (lambda (pred) 1201 (unless (memq (cdr pred) gnus-article-unpropagated-mark-lists) 1202 (gnus-info-set-marks 1203 info 1204 (gnus-update-alist-soft 1205 (cdr pred) 1206 (cdr (assq (cdr pred) nnfolder-marks)) 1207 (gnus-info-marks info)) 1208 t))) 1209 gnus-article-mark-lists) 1210 (let ((seen (cdr (assq 'read nnfolder-marks)))) 1211 (gnus-info-set-read info 1212 (if (and (integerp (car seen)) 1213 (null (cdr seen))) 1214 (list (cons (car seen) (car seen))) 1215 seen))) 1216 (nnheader-message 8 "Updating marks for %s...done" group)) 1217 info) 1218 1219(defun nnfolder-group-marks-pathname (group) 1220 "Make pathname for GROUP NOV." 1221 (let ((nnfolder-directory (or nnfolder-marks-directory nnfolder-directory))) 1222 (concat (nnfolder-group-pathname group) nnfolder-marks-file-suffix))) 1223 1224(defun nnfolder-marks-changed-p (group) 1225 (let ((file (nnfolder-group-marks-pathname group))) 1226 (if (null (gnus-gethash file nnfolder-marks-modtime)) 1227 t ;; never looked at marks file, assume it has changed 1228 (not (equal (gnus-gethash file nnfolder-marks-modtime) 1229 (nth 5 (file-attributes file))))))) 1230 1231(defun nnfolder-save-marks (group server) 1232 (let ((file-name-coding-system nnmail-pathname-coding-system) 1233 (file (nnfolder-group-marks-pathname group))) 1234 (condition-case err 1235 (progn 1236 (with-temp-file file 1237 (erase-buffer) 1238 (gnus-prin1 nnfolder-marks) 1239 (insert "\n")) 1240 (gnus-sethash file 1241 (nth 5 (file-attributes file)) 1242 nnfolder-marks-modtime)) 1243 (error (or (gnus-yes-or-no-p 1244 (format "Could not write to %s (%s). Continue? " file err)) 1245 (error "Cannot write to %s (%s)" file err)))))) 1246 1247(defun nnfolder-open-marks (group server) 1248 (let ((file (nnfolder-group-marks-pathname group))) 1249 (if (file-exists-p file) 1250 (condition-case err 1251 (with-temp-buffer 1252 (gnus-sethash file (nth 5 (file-attributes file)) 1253 nnfolder-marks-modtime) 1254 (nnheader-insert-file-contents file) 1255 (setq nnfolder-marks (read (current-buffer))) 1256 (dolist (el gnus-article-unpropagated-mark-lists) 1257 (setq nnfolder-marks (gnus-remassoc el nnfolder-marks)))) 1258 (error (or (gnus-yes-or-no-p 1259 (format "Error reading nnfolder marks file %s (%s). Continuing will use marks from .newsrc.eld. Continue? " file err)) 1260 (error "Cannot read nnfolder marks file %s (%s)" file err)))) 1261 ;; User didn't have a .marks file. Probably first time 1262 ;; user of the .marks stuff. Bootstrap it from .newsrc.eld. 1263 (let ((info (gnus-get-info 1264 (gnus-group-prefixed-name 1265 group 1266 (gnus-server-to-method (format "nnfolder:%s" server)))))) 1267 (nnheader-message 7 "Bootstrapping marks for %s..." group) 1268 (setq nnfolder-marks (gnus-info-marks info)) 1269 (push (cons 'read (gnus-info-read info)) nnfolder-marks) 1270 (dolist (el gnus-article-unpropagated-mark-lists) 1271 (setq nnfolder-marks (gnus-remassoc el nnfolder-marks))) 1272 (nnfolder-save-marks group server) 1273 (nnheader-message 7 "Bootstrapping marks for %s...done" group))))) 1274 1275(provide 'nnfolder) 1276 1277;;; arch-tag: a040d0f4-4f4e-445f-8972-839575c5f7e6 1278;;; nnfolder.el ends here 1279