;;; nnml.el --- mail spool access for Gnus
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003
;; Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
+;; Author: Simon Josefsson <simon@josefsson.org> (adding MARKS)
+;; Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Keywords: news, mail
;; This file is part of GNU Emacs.
;;; Code:
+(require 'gnus)
(require 'nnheader)
(require 'nnmail)
(require 'nnoo)
(eval-when-compile (require 'cl))
+(eval-and-compile
+ (autoload 'gnus-article-unpropagatable-p "gnus-sum"))
+
(nnoo-declare nnml)
(defvoo nnml-directory message-directory
- "Spool directory for the nnml mail backend.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
+ "Spool directory for the nnml mail backend.")
(defvoo nnml-active-file
(expand-file-name "active" nnml-directory)
- "Mail active file.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
+ "Mail active file.")
(defvoo nnml-newsgroups-file
(expand-file-name "newsgroups" nnml-directory)
- "Mail newsgroups description file.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
+ "Mail newsgroups description file.")
(defvoo nnml-get-new-mail t
- "If non-nil, nnml will check the incoming mail file and split the mail.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
+ "If non-nil, nnml will check the incoming mail file and split the mail.")
(defvoo nnml-nov-is-evil nil
- "If non-nil, Gnus will never generate and use nov databases for mail groups.
+ "If non-nil, Gnus will never generate and use nov databases for mail spools.
Using nov databases will speed up header fetching considerably.
This variable shouldn't be flipped much. If you have, for some reason,
set this to t, and want to set it to nil again, you should always run
the `nnml-generate-nov-databases' command. The function will go
through all nnml directories and generate nov databases for them
-all. This may very well take some time.
+all. This may very well take some time.")
-This variable is a virtual server slot. See the Gnus manual for details.")
+(defvoo nnml-marks-is-evil nil
+ "If non-nil, Gnus will never generate and use marks file for mail spools.
+Using marks files makes it possible to backup and restore mail groups
+separately from `.newsrc.eld'. If you have, for some reason, set this
+to t, and want to set it to nil again, you should always remove the
+corresponding marks file (usually named `.marks' in the nnml group
+directory, but see `nnml-marks-file-name') for the group. Then the
+marks file will be regenerated properly by Gnus.")
(defvoo nnml-prepare-save-mail-hook nil
- "Hook run narrowed to an article before saving.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
+ "Hook run narrowed to an article before saving.")
(defvoo nnml-inhibit-expiry nil
- "If non-nil, inhibit expiry.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
+ "If non-nil, inhibit expiry.")
+(defvoo nnml-use-compressed-files nil
+ "If non-nil, allow using compressed message files.")
\f
"nnml version.")
(defvoo nnml-nov-file-name ".overview")
+(defvoo nnml-marks-file-name ".marks")
(defvoo nnml-current-directory nil)
(defvoo nnml-current-group nil)
(defvoo nnml-generate-active-function 'nnml-generate-active-info)
(defvar nnml-nov-buffer-file-name nil)
-(defvar nnml-check-directory-twice t
- "If t, to make sure nothing went wrong when reading over NFS --
-check twice.")
(defvoo nnml-file-coding-system nnmail-file-coding-system)
-\f
+(defvoo nnml-marks nil)
+(defvar nnml-marks-modtime (gnus-make-hashtable))
+
+\f
;;; Interface functions.
(nnoo-define-basics nnml)
(number (length sequence))
(count 0)
(file-name-coding-system nnmail-pathname-coding-system)
- beg article
- (nnml-check-directory-twice
- (and nnml-check-directory-twice
- ;; To speed up, disable it in some case.
- (or (not (numberp nnmail-large-newsgroup))
- (<= number nnmail-large-newsgroup)))))
+ beg article)
(if (stringp (car sequence))
'headers
(if (nnml-retrieve-headers-with-nov sequence fetch-old)
(setq beg (point))
(nnheader-insert-head file)
(goto-char beg)
- (if (search-forward "\n\n" nil t)
+ (if (re-search-forward "\n\r?\n" nil t)
(forward-char -1)
(goto-char (point-max))
(insert "\n\n"))
nnml-group-alist)
(nnml-possibly-create-directory group)
(nnml-possibly-change-directory group server)
- (let ((articles (nnheader-directory-articles nnml-current-directory)))
+ (let ((articles (nnml-directory-articles nnml-current-directory)))
(when articles
(setcar active (apply 'min articles))
(setcdr active (apply 'max articles))))
(deffoo nnml-request-expire-articles (articles group &optional server force)
(nnml-possibly-change-directory group server)
(let ((active-articles
- (nnheader-directory-articles nnml-current-directory))
+ (nnml-directory-articles nnml-current-directory))
(is-old t)
article rest mod-time number)
(nnmail-activate 'nnml)
(setq articles (gnus-sorted-intersection articles active-articles))
(while (and articles is-old)
- (when (setq article (nnml-article-to-file (setq number (pop articles))))
- (when (setq mod-time (nth 5 (file-attributes article)))
- (if (and (nnml-deletable-article-p group number)
- (setq is-old
- (nnmail-expired-article-p group mod-time force
- nnml-inhibit-expiry)))
- (progn
- ;; Allow a special target group.
- (unless (eq nnmail-expiry-target 'delete)
- (with-temp-buffer
- (nnml-request-article number group server
- (current-buffer))
- (let ((nnml-current-directory nil))
- (nnmail-expiry-target-group
- nnmail-expiry-target group))))
- (nnheader-message 5 "Deleting article %s in %s"
- number group)
- (condition-case ()
- (funcall nnmail-delete-file-function article)
- (file-error
- (push number rest)))
- (setq active-articles (delq number active-articles))
- (nnml-nov-delete-article group number))
- (push number rest)))))
+ (if (and (setq article (nnml-article-to-file
+ (setq number (pop articles))))
+ (setq mod-time (nth 5 (file-attributes article)))
+ (nnml-deletable-article-p group number)
+ (setq is-old (nnmail-expired-article-p group mod-time force
+ nnml-inhibit-expiry)))
+ (progn
+ ;; Allow a special target group.
+ (unless (eq nnmail-expiry-target 'delete)
+ (with-temp-buffer
+ (nnml-request-article number group server (current-buffer))
+ (let (nnml-current-directory
+ nnml-current-group
+ nnml-article-file-alist)
+ (nnmail-expiry-target-group nnmail-expiry-target group)))
+ ;; Maybe directory is changed during nnmail-expiry-target-group.
+ (nnml-possibly-change-directory group server))
+ (nnheader-message 5 "Deleting article %s in %s"
+ number group)
+ (condition-case ()
+ (funcall nnmail-delete-file-function article)
+ (file-error
+ (push number rest)))
+ (setq active-articles (delq number active-articles))
+ (nnml-nov-delete-article group number))
+ (push number rest)))
(let ((active (nth 1 (assoc group nnml-group-alist))))
(when active
(setcar active (or (and active-articles
(nnmail-check-syntax)
(let (result)
(when nnmail-cache-accepted-message-ids
- (nnmail-cache-insert (nnmail-fetch-field "message-id")))
+ (nnmail-cache-insert (nnmail-fetch-field "message-id")
+ group
+ (nnmail-fetch-field "subject")
+ (nnmail-fetch-field "from")))
(if (stringp group)
(and
(nnmail-activate 'nnml)
(if (or (looking-at art)
(search-forward (concat "\n" art) nil t))
;; Delete the old NOV line.
- (delete-region (progn (beginning-of-line) (point))
- (progn (forward-line 1) (point)))
+ (gnus-delete-line)
;; The line isn't here, so we have to find out where
;; we should insert it. (This situation should never
;; occur, but one likes to make sure...)
nnml-current-directory t
(concat nnheader-numerical-short-files
"\\|" (regexp-quote nnml-nov-file-name) "$"
- "\\|" (regexp-quote nnml-marks-file-name) "$")))
- article)
- (while articles
- (setq article (pop articles))
+ "\\|" (regexp-quote nnml-marks-file-name) "$"))))
+ (dolist (article articles)
(when (file-writable-p article)
(nnheader-message 5 "Deleting article %s in %s..." article group)
(funcall nnmail-delete-file-function article))))
;; We move the articles file by file instead of renaming
;; the directory -- there may be subgroups in this group.
;; One might be more clever, I guess.
- (let ((files (nnheader-article-to-file-alist old-dir)))
- (while files
- (rename-file
- (concat old-dir (cdar files))
- (concat new-dir (cdar files)))
- (pop files)))
+ (dolist (file (nnheader-article-to-file-alist old-dir))
+ (rename-file
+ (concat old-dir (cdr file))
+ (concat new-dir (cdr file))))
;; Move .overview file.
(let ((overview (concat old-dir nnml-nov-file-name)))
(when (file-exists-p overview)
(defun nnml-article-to-file (article)
(nnml-update-file-alist)
(let (file)
- (if (setq file (cdr (assq article nnml-article-file-alist)))
+ (if (setq file
+ (if nnml-use-compressed-files
+ (cdr (assq article nnml-article-file-alist))
+ (number-to-string article)))
(expand-file-name file nnml-current-directory)
- (if nnml-check-directory-twice
- ;; Just to make sure nothing went wrong when reading over NFS --
- ;; check once more.
- (when (file-exists-p
- (setq file (expand-file-name (number-to-string article)
- nnml-current-directory)))
- (nnml-update-file-alist t)
- file)))))
+ (when (not nnheader-directory-files-is-safe)
+ ;; Just to make sure nothing went wrong when reading over NFS --
+ ;; check once more.
+ (when (file-exists-p
+ (setq file (expand-file-name (number-to-string article)
+ nnml-current-directory)))
+ (nnml-update-file-alist t)
+ file)))))
(defun nnml-deletable-article-p (group article)
"Say whether ARTICLE in GROUP can be deleted."
(search-forward id nil t)) ; We find the ID.
;; And the id is in the fourth field.
(if (not (and (search-backward "\t" nil t 4)
- (not (search-backward"\t" (gnus-point-at-bol) t))))
+ (not (search-backward "\t" (point-at-bol) t))))
(forward-line 1)
(beginning-of-line)
(setq found t)
(defun nnml-save-mail (group-art)
"Called narrowed to an article."
- (let (chars headers)
+ (let (chars headers extension)
(setq chars (nnmail-insert-lines))
+ (setq extension
+ (and nnml-use-compressed-files
+ (> chars 1000)
+ ".gz"))
(nnmail-insert-xref group-art)
(run-hooks 'nnmail-prepare-save-mail-hook)
(run-hooks 'nnml-prepare-save-mail-hook)
(nnml-possibly-create-directory (caar ga))
(let ((file (concat (nnmail-group-pathname
(caar ga) nnml-directory)
- (int-to-string (cdar ga)))))
+ (int-to-string (cdar ga))
+ extension)))
(if first
;; It was already saved, so we just make a hard link.
(funcall nnmail-crosspost-link-function first file t)
(unless nnml-article-file-alist
(setq nnml-article-file-alist
(sort
- (nnheader-article-to-file-alist nnml-current-directory)
+ (nnml-current-group-article-to-file-alist)
'car-less-than-car)))
(setq active
(if nnml-article-file-alist
(nnheader-insert-nov headers)))
(defsubst nnml-header-value ()
- (buffer-substring (match-end 0) (progn (end-of-line) (point))))
+ (buffer-substring (match-end 0) (point-at-eol)))
(defun nnml-parse-head (chars &optional number)
"Parse the head of the current buffer."
(unless (zerop (buffer-size))
(narrow-to-region
(goto-char (point-min))
- (if (search-forward "\n\n" nil t) (1- (point)) (point-max))))
- ;; Fold continuation lines.
- (goto-char (point-min))
- (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
- (replace-match " " t t))
- ;; Remove any tabs; they are too confusing.
- (subst-char-in-region (point-min) (point-max) ?\t ? )
- (let ((headers (nnheader-parse-head t)))
+ (if (re-search-forward "\n\r?\n" nil t)
+ (1- (point))
+ (point-max))))
+ (let ((headers (nnheader-parse-naked-head)))
(mail-header-set-chars headers chars)
(mail-header-set-number headers number)
headers))))
+(defun nnml-get-nov-buffer (group)
+ (let ((buffer (get-buffer-create (format " *nnml overview %s*" group))))
+ (save-excursion
+ (set-buffer buffer)
+ (set (make-local-variable 'nnml-nov-buffer-file-name)
+ (expand-file-name
+ nnml-nov-file-name
+ (nnmail-group-pathname group nnml-directory)))
+ (erase-buffer)
+ (when (file-exists-p nnml-nov-buffer-file-name)
+ (nnheader-insert-file-contents nnml-nov-buffer-file-name)))
+ buffer))
+
(defun nnml-open-nov (group)
(or (cdr (assoc group nnml-nov-buffer-alist))
- (let ((buffer (get-buffer-create (format " *nnml overview %s*" group))))
- (save-excursion
- (set-buffer buffer)
- (set (make-local-variable 'nnml-nov-buffer-file-name)
- (expand-file-name
- nnml-nov-file-name
- (nnmail-group-pathname group nnml-directory)))
- (erase-buffer)
- (when (file-exists-p nnml-nov-buffer-file-name)
- (nnheader-insert-file-contents nnml-nov-buffer-file-name)))
+ (let ((buffer (nnml-get-nov-buffer group)))
(push (cons group buffer) nnml-nov-buffer-alist)
buffer)))
(when (buffer-name (cdar nnml-nov-buffer-alist))
(set-buffer (cdar nnml-nov-buffer-alist))
(when (buffer-modified-p)
- (nnmail-write-region 1 (point-max) nnml-nov-buffer-file-name
- nil 'nomesg))
+ (nnmail-write-region (point-min) (point-max)
+ nnml-nov-buffer-file-name nil 'nomesg))
(set-buffer-modified-p nil)
(kill-buffer (current-buffer)))
(setq nnml-nov-buffer-alist (cdr nnml-nov-buffer-alist)))))
(unless (member (file-truename dir) seen)
(push (file-truename dir) seen)
;; We descend recursively
- (let ((dirs (directory-files dir t nil t))
- dir)
- (while (setq dir (pop dirs))
- (when (and (not (string-match "^\\." (file-name-nondirectory dir)))
- (file-directory-p dir))
- (nnml-generate-nov-databases-1 dir seen))))
+ (dolist (dir (directory-files dir t nil t))
+ (when (and (not (string-match "^\\." (file-name-nondirectory dir)))
+ (file-directory-p dir))
+ (nnml-generate-nov-databases-1 dir seen)))
;; Do this directory.
(let ((files (sort (nnheader-article-to-file-alist dir)
'car-less-than-car)))
(push (list group
(cons (or (caar files) (1+ last))
(max last
- (or (let ((f files))
- (while (cdr f) (setq f (cdr f)))
- (caar f))
+ (or (caar (last files))
0))))
nnml-group-alist)))
(narrow-to-region
(goto-char (point-min))
(progn
- (search-forward "\n\n" nil t)
+ (re-search-forward "\n\r?\n" nil t)
(setq chars (- (point-max) (point)))
- (max 1 (1- (point)))))
+ (max (point-min) (1- (point)))))
(unless (zerop (buffer-size))
(goto-char (point-min))
(setq headers (nnml-parse-head chars (caar files)))
(setq files (cdr files)))
(save-excursion
(set-buffer nov-buffer)
- (nnmail-write-region 1 (point-max) nov nil 'nomesg)
+ (nnmail-write-region (point-min) (point-max) nov nil 'nomesg)
(kill-buffer (current-buffer))))))
(defun nnml-nov-delete-article (group article)
t))
(defun nnml-update-file-alist (&optional force)
- (when (or (not nnml-article-file-alist)
- force)
- (setq nnml-article-file-alist
- (nnheader-article-to-file-alist nnml-current-directory))))
-
-(defvoo nnml-marks-file-name ".marks")
-(defvoo nnml-marks-is-evil nil)
-(defvoo nnml-marks nil)
+ (when nnml-use-compressed-files
+ (when (or (not nnml-article-file-alist)
+ force)
+ (setq nnml-article-file-alist
+ (nnml-current-group-article-to-file-alist)))))
+
+(defun nnml-directory-articles (dir)
+ "Return a list of all article files in a directory.
+Use the nov database for that directory if available."
+ (if (or gnus-nov-is-evil nnml-nov-is-evil
+ (not (file-exists-p
+ (expand-file-name nnml-nov-file-name dir))))
+ (nnheader-directory-articles dir)
+ ;; build list from .overview if available
+ ;; We would use nnml-open-nov, except that nnml-nov-buffer-alist is
+ ;; defvoo'd, and we might get called when it hasn't been swapped in.
+ (save-excursion
+ (let ((list nil)
+ art
+ (buffer (nnml-get-nov-buffer nnml-current-group)))
+ (set-buffer buffer)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (setq art (read (current-buffer)))
+ (push art list)
+ (forward-line 1))
+ list))))
+
+(defun nnml-current-group-article-to-file-alist ()
+ "Return an alist of article/file pairs in the current group.
+Use the nov database for the current group if available."
+ (if (or nnml-use-compressed-files
+ gnus-nov-is-evil
+ nnml-nov-is-evil
+ (not (file-exists-p
+ (expand-file-name nnml-nov-file-name
+ nnml-current-directory))))
+ (nnheader-article-to-file-alist nnml-current-directory)
+ ;; build list from .overview if available
+ (save-excursion
+ (let ((alist nil)
+ (buffer (nnml-get-nov-buffer nnml-current-group))
+ art)
+ (set-buffer buffer)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (setq art (read (current-buffer)))
+ ;; assume file name is unadorned (ie. not compressed etc)
+ (push (cons art (int-to-string art)) alist)
+ (forward-line 1))
+ alist))))
(deffoo nnml-request-set-mark (group actions &optional server)
(nnml-possibly-change-directory group server)
(let ((range (nth 0 action))
(what (nth 1 action))
(marks (nth 2 action)))
- (assert (or (eq what 'add) (eq what 'del)) t
+ (assert (or (eq what 'add) (eq what 'del)) nil
"Unknown request-set-mark action: %s" what)
(dolist (mark marks)
- (setq nnml-marks (nnimap-update-alist-soft
+ (setq nnml-marks (gnus-update-alist-soft
mark
(funcall (if (eq what 'add) 'gnus-range-add
'gnus-remove-from-range)
(cdr (assoc mark nnml-marks)) range)
nnml-marks)))))
- (nnml-save-marks group server)))
+ (nnml-save-marks group server))
+ nil)
(deffoo nnml-request-update-info (group info &optional server)
(nnml-possibly-change-directory group server)
- (unless nnml-marks-is-evil
+ (when (and (not nnml-marks-is-evil) (nnml-marks-changed-p group))
+ (nnheader-message 8 "Updating marks for %s..." group)
(nnml-open-marks group server)
;; Update info using `nnml-marks'.
- (mapcar (lambda (pred)
+ (mapc (lambda (pred)
+ (unless (memq (cdr pred) gnus-article-unpropagated-mark-lists)
(gnus-info-set-marks
info
- (nnimap-update-alist-soft
+ (gnus-update-alist-soft
(cdr pred)
(cdr (assq (cdr pred) nnml-marks))
(gnus-info-marks info))
- t))
- gnus-article-mark-lists)
+ t)))
+ gnus-article-mark-lists)
(let ((seen (cdr (assq 'read nnml-marks))))
(gnus-info-set-read info
(if (and (integerp (car seen))
(null (cdr seen)))
(list (cons (car seen) (car seen)))
- seen))))
+ seen)))
+ (nnheader-message 8 "Updating marks for %s...done" group))
info)
+(defun nnml-marks-changed-p (group)
+ (let ((file (expand-file-name nnml-marks-file-name
+ (nnmail-group-pathname group nnml-directory))))
+ (if (null (gnus-gethash file nnml-marks-modtime))
+ t ;; never looked at marks file, assume it has changed
+ (not (equal (gnus-gethash file nnml-marks-modtime)
+ (nth 5 (file-attributes file)))))))
+
(defun nnml-save-marks (group server)
(let ((file-name-coding-system nnmail-pathname-coding-system)
(file (expand-file-name nnml-marks-file-name
(nnmail-group-pathname group nnml-directory))))
- (gnus-make-directory (file-name-directory file))
- (with-temp-file file
- (erase-buffer)
- (princ nnml-marks (current-buffer))
- (insert "\n"))))
+ (condition-case err
+ (progn
+ (nnml-possibly-create-directory group)
+ (with-temp-file file
+ (erase-buffer)
+ (gnus-prin1 nnml-marks)
+ (insert "\n"))
+ (gnus-sethash file
+ (nth 5 (file-attributes file))
+ nnml-marks-modtime))
+ (error (or (gnus-yes-or-no-p
+ (format "Could not write to %s (%s). Continue? " file err))
+ (error "Cannot write to %s (%s)" file err))))))
(defun nnml-open-marks (group server)
- (with-temp-buffer
- (let ((file (expand-file-name
- nnml-marks-file-name
- (nnmail-group-pathname group nnml-directory))))
- (if (file-exists-p file)
- (setq nnml-marks (condition-case err
- (progn
- (nnheader-insert-file-contents file)
- (read (current-buffer)))
- (error (or (gnus-yes-or-no-p
- (format "Error reading nnml marks file %s (%s). Continuing will use marks from .newsrc.eld. Continue? " file err))
- (error "Cannot read nnml marks file %s (%s)" file err)))))
- ;; User didn't have a .marks file. Probably first time
- ;; user of the .marks stuff. Bootstrap it from .newsrc.eld.
- (let ((info (gnus-get-info
- (gnus-group-prefixed-name
- group
- (gnus-server-to-method (format "nnml:%s" server))))))
- (nnheader-message 6 "Boostrapping nnml marks...")
- (setq nnml-marks (gnus-info-marks info))
- (push (cons 'read (gnus-info-read info)) nnml-marks)
- (nnml-save-marks group server))))))
+ (let ((file (expand-file-name
+ nnml-marks-file-name
+ (nnmail-group-pathname group nnml-directory))))
+ (if (file-exists-p file)
+ (condition-case err
+ (with-temp-buffer
+ (gnus-sethash file (nth 5 (file-attributes file))
+ nnml-marks-modtime)
+ (nnheader-insert-file-contents file)
+ (setq nnml-marks (read (current-buffer)))
+ (dolist (el gnus-article-unpropagated-mark-lists)
+ (setq nnml-marks (gnus-remassoc el nnml-marks))))
+ (error (or (gnus-yes-or-no-p
+ (format "Error reading nnml marks file %s (%s). Continuing will use marks from .newsrc.eld. Continue? " file err))
+ (error "Cannot read nnml marks file %s (%s)" file err))))
+ ;; User didn't have a .marks file. Probably first time
+ ;; user of the .marks stuff. Bootstrap it from .newsrc.eld.
+ (let ((info (gnus-get-info
+ (gnus-group-prefixed-name
+ group
+ (gnus-server-to-method (format "nnml:%s" server))))))
+ (nnheader-message 7 "Bootstrapping marks for %s..." group)
+ (setq nnml-marks (gnus-info-marks info))
+ (push (cons 'read (gnus-info-read info)) nnml-marks)
+ (dolist (el gnus-article-unpropagated-mark-lists)
+ (setq nnml-marks (gnus-remassoc el nnml-marks)))
+ (nnml-save-marks group server)
+ (nnheader-message 7 "Bootstrapping marks for %s...done" group)))))
(provide 'nnml)
+;;; arch-tag: 52c97dc3-9735-45de-b439-9e4d23b52004
;;; nnml.el ends here
projects / gnus / blobdiff