-;;; nnmh.el --- mail spool access for Gnus (mhspool)
-;; Copyright (C) 1995 Free Software Foundation, Inc.
+;;; nnmh.el --- mhspool access for Gnus
+;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Keywords: news, mail
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Based on nnspool.el by Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>.
;; For an overview of what the interface functions do, please see the
-;; Gnus sources.
+;; Gnus sources.
;;; Code:
(require 'nnheader)
-(require 'rmail)
(require 'nnmail)
-(require 'gnus)
+(require 'gnus-start)
+(require 'nnoo)
+(eval-when-compile (require 'cl))
-(defvar nnmh-directory "~/Mail/"
- "Mail directory.")
+(nnoo-declare nnmh)
-(defvar nnmh-get-new-mail t
- "If non-nil, nnmh will check the incoming mail file and split the mail.")
+(defvoo nnmh-directory message-directory
+ "*Mail spool directory.")
+
+(defvoo nnmh-get-new-mail t
+ "*If non-nil, nnmh will check the incoming mail file and split the mail.")
+
+(defvoo nnmh-prepare-save-mail-hook nil
+ "*Hook run narrowed to an article before saving.")
+
+(defvoo nnmh-be-safe nil
+ "*If non-nil, nnmh will check all articles to make sure whether they are new or not.")
\f
-(defconst nnmh-version "nnmh 0.1"
+(defconst nnmh-version "nnmh 1.0"
"nnmh version.")
-(defvar nnmh-current-directory nil
+(defvoo nnmh-current-directory nil
"Current news group directory.")
-(defvar nnmh-status-string "")
-(defvar nnmh-group-alist nil)
-
-\f
-
-(defvar nnmh-current-server nil)
-(defvar nnmh-server-alist nil)
-(defvar nnmh-server-variables
- (list
- (list 'nnmh-directory nnmh-directory)
- (list 'nnmh-get-new-mail nnmh-get-new-mail)
- '(nnmh-current-directory nil)
- '(nnmh-status-string "")
- '(nnmh-group-alist)))
+(defvoo nnmh-status-string "")
+(defvoo nnmh-group-alist nil)
+(defvoo nnmh-allow-delete-final nil)
\f
;;; Interface functions.
-(defun nnmh-retrieve-headers (sequence &optional newsgroup server)
+(nnoo-define-basics nnmh)
+
+(deffoo nnmh-retrieve-headers (articles &optional newsgroup server fetch-old)
(save-excursion
(set-buffer nntp-server-buffer)
(erase-buffer)
- (let ((file nil)
- (number (length sequence))
- (count 0)
- beg article)
- (nnmh-possibly-change-directory newsgroup)
- (while sequence
- (setq article (car sequence))
- (setq file
- (concat nnmh-current-directory (prin1-to-string article)))
- (if (and (file-exists-p file)
- (not (file-directory-p file)))
- (progn
- (insert (format "221 %d Article retrieved.\n" article))
- (setq beg (point))
- (insert-file-contents file)
- (goto-char beg)
- (if (search-forward "\n\n" nil t)
- (forward-char -1)
- (goto-char (point-max))
- (insert "\n\n"))
- (insert (format "Lines: %d\n" (count-lines (point) (point-max))))
- (insert ".\n")
- (delete-region (point) (point-max))))
- (setq sequence (cdr sequence))
- (setq count (1+ count))
- (and (numberp nnmail-large-newsgroup)
- (> number nnmail-large-newsgroup)
- (zerop (% count 20))
- (message "nnmh: Receiving headers... %d%%"
- (/ (* count 100) number))))
-
- (and (numberp nnmail-large-newsgroup)
- (> number nnmail-large-newsgroup)
- (message "nnmh: Receiving headers... done"))
-
- ;; Fold continuation lines.
- (goto-char 1)
- (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
- (replace-match " " t t))
- 'headers)))
-
-(defun nnmh-open-server (server &optional defs)
- (nnheader-init-server-buffer)
- (if (equal server nnmh-current-server)
- t
- (if nnmh-current-server
- (setq nnmh-server-alist
- (cons (list nnmh-current-server
- (nnheader-save-variables nnmh-server-variables))
- nnmh-server-alist)))
- (let ((state (assoc server nnmh-server-alist)))
- (if state
- (progn
- (nnheader-restore-variables (nth 1 state))
- (setq nnmh-server-alist (delq state nnmh-server-alist)))
- (nnheader-set-init-variables nnmh-server-variables defs)))
- (setq nnmh-current-server server)))
-
-(defun nnmh-close-server (&optional server)
- t)
-
-(defun nnmh-server-opened (&optional server)
- (and (equal server nnmh-current-server)
- nntp-server-buffer
- (buffer-name nntp-server-buffer)))
-
-(defun nnmh-status-message (&optional server)
- nnmh-status-string)
-
-(defun nnmh-request-article (id &optional newsgroup server buffer)
- (nnmh-possibly-change-directory newsgroup)
+ (let* ((file nil)
+ (number (length articles))
+ (large (and (numberp nnmail-large-newsgroup)
+ (> number nnmail-large-newsgroup)))
+ (count 0)
+ (pathname-coding-system 'binary)
+ beg article)
+ (nnmh-possibly-change-directory newsgroup server)
+ ;; We don't support fetching by Message-ID.
+ (if (stringp (car articles))
+ 'headers
+ (while articles
+ (when (and (file-exists-p
+ (setq file (concat (file-name-as-directory
+ nnmh-current-directory)
+ (int-to-string
+ (setq article (pop articles))))))
+ (not (file-directory-p file)))
+ (insert (format "221 %d Article retrieved.\n" article))
+ (setq beg (point))
+ (nnheader-insert-head file)
+ (goto-char beg)
+ (if (search-forward "\n\n" nil t)
+ (forward-char -1)
+ (goto-char (point-max))
+ (insert "\n\n"))
+ (insert ".\n")
+ (delete-region (point) (point-max)))
+ (setq count (1+ count))
+
+ (and large
+ (zerop (% count 20))
+ (nnheader-message 5 "nnmh: Receiving headers... %d%%"
+ (/ (* count 100) number))))
+
+ (when large
+ (nnheader-message 5 "nnmh: Receiving headers...done"))
+
+ (nnheader-fold-continuation-lines)
+ 'headers))))
+
+(deffoo nnmh-open-server (server &optional defs)
+ (nnoo-change-server 'nnmh server defs)
+ (when (not (file-exists-p nnmh-directory))
+ (condition-case ()
+ (make-directory nnmh-directory t)
+ (error t)))
+ (cond
+ ((not (file-exists-p nnmh-directory))
+ (nnmh-close-server)
+ (nnheader-report 'nnmh "Couldn't create directory: %s" nnmh-directory))
+ ((not (file-directory-p (file-truename nnmh-directory)))
+ (nnmh-close-server)
+ (nnheader-report 'nnmh "Not a directory: %s" nnmh-directory))
+ (t
+ (nnheader-report 'nnmh "Opened server %s using directory %s"
+ server nnmh-directory)
+ t)))
+
+(deffoo nnmh-request-article (id &optional newsgroup server buffer)
+ (nnmh-possibly-change-directory newsgroup server)
(let ((file (if (stringp id)
nil
- (concat nnmh-current-directory (prin1-to-string id))))
+ (concat nnmh-current-directory (int-to-string id))))
+ (pathname-coding-system 'binary)
(nntp-server-buffer (or buffer nntp-server-buffer)))
- (if (and (stringp file)
- (file-exists-p file)
- (not (file-directory-p file)))
- (save-excursion
- (nnmail-find-file file)))))
+ (and (stringp file)
+ (file-exists-p file)
+ (not (file-directory-p file))
+ (save-excursion (nnmail-find-file file))
+ (string-to-int (file-name-nondirectory file)))))
-(defun nnmh-request-group (group &optional server dont-check)
- (and nnmh-get-new-mail (or dont-check (nnmh-get-new-mail)))
- (let ((pathname (nnmh-article-pathname group nnmh-directory))
+(deffoo nnmh-request-group (group &optional server dont-check)
+ (nnheader-init-server-buffer)
+ (nnmh-possibly-change-directory group server)
+ (let ((pathname (nnmail-group-pathname group nnmh-directory))
+ (pathname-coding-system 'binary)
dir)
- (if (file-directory-p pathname)
- (progn
- (setq nnmh-current-directory pathname)
- (and nnmh-get-new-mail (nnmh-update-gnus-unreads group))
- (or dont-check
- (progn
- (setq dir
- (sort
- (mapcar
- (function
- (lambda (name)
- (string-to-int name)))
- (directory-files pathname nil "^[0-9]+$" t))
- '<))
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (if dir
- (insert (format "211 %d %d %d %s\n" (length dir)
- (car dir)
- (progn (while (cdr dir)
- (setq dir (cdr dir)))
- (car dir))
- group))
- (insert (format "211 0 1 0 %s\n" group))))))
- t))))
-
-(defun nnmh-request-list (&optional server dir)
- (and server nnmh-get-new-mail (nnmh-get-new-mail))
- (or dir
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (setq dir nnmh-directory)))
+ (cond
+ ((not (file-directory-p pathname))
+ (nnheader-report
+ 'nnmh "Can't select group (no such directory): %s" group))
+ (t
+ (setq nnmh-current-directory pathname)
+ (and nnmh-get-new-mail
+ nnmh-be-safe
+ (nnmh-update-gnus-unreads group))
+ (cond
+ (dont-check
+ (nnheader-report 'nnmh "Selected group %s" group)
+ t)
+ (t
+ ;; Re-scan the directory if it's on a foreign system.
+ (nnheader-re-read-dir pathname)
+ (setq dir
+ (sort
+ (mapcar (lambda (name) (string-to-int name))
+ (directory-files pathname nil "^[0-9]+$" t))
+ '<))
+ (cond
+ (dir
+ (nnheader-report 'nnmh "Selected group %s" group)
+ (nnheader-insert
+ "211 %d %d %d %s\n" (length dir) (car dir)
+ (progn (while (cdr dir) (setq dir (cdr dir))) (car dir))
+ group))
+ (t
+ (nnheader-report 'nnmh "Empty group %s" group)
+ (nnheader-insert (format "211 0 1 0 %s\n" group))))))))))
+
+(deffoo nnmh-request-scan (&optional group server)
+ (nnmail-get-new-mail 'nnmh nil nnmh-directory group))
+
+(deffoo nnmh-request-list (&optional server dir)
+ (nnheader-insert "")
+ (nnmh-possibly-change-directory nil server)
+ (let ((pathname-coding-system 'binary)
+ (nnmh-toplev
+ (file-truename (or dir (file-name-as-directory nnmh-directory)))))
+ (nnmh-request-list-1 nnmh-toplev))
+ (setq nnmh-group-alist (nnmail-get-active))
+ t)
+
+(defvar nnmh-toplev)
+(defun nnmh-request-list-1 (dir)
(setq dir (expand-file-name dir))
;; Recurse down all directories.
(let ((dirs (and (file-readable-p dir)
- (directory-files dir t nil t))))
- (while dirs
- (if (and (not (string-match "/\\.\\.$" (car dirs)))
- (not (string-match "/\\.$" (car dirs)))
- (file-directory-p (car dirs))
- (file-readable-p (car dirs)))
- (nnmh-request-list server (car dirs)))
- (setq dirs (cdr dirs))))
+ (> (nth 1 (file-attributes (file-chase-links dir))) 2)
+ (nnheader-directory-files dir t nil t)))
+ rdir)
+ ;; Recurse down directories.
+ (while (setq rdir (pop dirs))
+ (when (and (file-directory-p rdir)
+ (file-readable-p rdir)
+ (not (equal (file-truename rdir)
+ (file-truename dir))))
+ (nnmh-request-list-1 rdir))))
;; For each directory, generate an active file line.
- (if (not (string= (expand-file-name nnmh-directory) dir))
- (let ((files (mapcar
- (lambda (name) (string-to-int name))
- (directory-files dir nil "^[0-9]+$" t))))
- (if (null files)
- ()
- (save-excursion
- (set-buffer nntp-server-buffer)
- (insert
- (format
- "%s %d %d y\n"
- (progn
- (string-match (expand-file-name nnmh-directory) dir)
- (nnmail-replace-chars-in-string
- (substring dir (match-end 0)) ?/ ?.))
- (apply (function max) files)
- (apply (function min) files)))))))
+ (unless (string= (expand-file-name nnmh-toplev) dir)
+ (let ((files (mapcar
+ (lambda (name) (string-to-int name))
+ (directory-files dir nil "^[0-9]+$" t))))
+ (when files
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (goto-char (point-max))
+ (insert
+ (format
+ "%s %d %d y\n"
+ (progn
+ (string-match
+ (regexp-quote
+ (file-truename (file-name-as-directory
+ (expand-file-name nnmh-toplev))))
+ dir)
+ (nnheader-replace-chars-in-string
+ (decode-coding-string (substring dir (match-end 0))
+ nnmail-pathname-coding-system)
+ ?/ ?.))
+ (apply 'max files)
+ (apply 'min files)))))))
t)
-(defun nnmh-request-newgroups (date &optional server)
+(deffoo nnmh-request-newgroups (date &optional server)
(nnmh-request-list server))
-(defun nnmh-request-post (&optional server)
- (mail-send-and-exit nil))
-
-(fset 'nnmh-request-post-buffer 'nnmail-request-post-buffer)
-
-(defun nnmh-request-expire-articles (articles newsgroup &optional server force)
- (nnmh-possibly-change-directory newsgroup)
- (let* ((days (or (and nnmail-expiry-wait-function
- (funcall nnmail-expiry-wait-function newsgroup))
- nnmail-expiry-wait))
+(deffoo nnmh-request-expire-articles (articles newsgroup
+ &optional server force)
+ (nnmh-possibly-change-directory newsgroup server)
+ (let* ((is-old t)
article rest mod-time)
- (if nnmail-keep-last-article
- (progn
- (setq articles (sort articles '>))
- (setq rest (cons (car articles) rest))
- (setq articles (cdr articles))))
- (while articles
- (setq article (concat nnmh-current-directory (int-to-string
- (car articles))))
- (if (setq mod-time (nth 5 (file-attributes article)))
- (if (or force
- (> (nnmail-days-between
- (current-time-string)
- (current-time-string mod-time))
- days))
- (progn
- (message "Deleting %s..." article)
- (condition-case ()
- (delete-file article)
- (file-error nil)))
- (setq rest (cons (car articles) rest))))
+ (nnheader-init-server-buffer)
+
+ (while (and articles is-old)
+ (setq article (concat nnmh-current-directory
+ (int-to-string (car articles))))
+ (when (setq mod-time (nth 5 (file-attributes article)))
+ (if (and (nnmh-deletable-article-p newsgroup (car articles))
+ (setq is-old
+ (nnmail-expired-article-p newsgroup mod-time force)))
+ (progn
+ (nnheader-message 5 "Deleting article %s in %s..."
+ article newsgroup)
+ (condition-case ()
+ (funcall nnmail-delete-file-function article)
+ (file-error
+ (nnheader-message 1 "Couldn't delete article %s in %s"
+ article newsgroup)
+ (push (car articles) rest))))
+ (push (car articles) rest)))
(setq articles (cdr articles)))
- rest))
+ (nnheader-message 5 "")
+ (nconc rest articles)))
-(defun nnmh-close-group (group &optional server)
+(deffoo nnmh-close-group (group &optional server)
t)
-(defun nnmh-request-move-article
+(deffoo nnmh-request-move-article
(article group server accept-form &optional last)
(let ((buf (get-buffer-create " *nnmh move*"))
result)
- (and
+ (and
+ (nnmh-deletable-article-p group article)
(nnmh-request-article article group server)
(save-excursion
(set-buffer buf)
+ (erase-buffer)
(insert-buffer-substring nntp-server-buffer)
(setq result (eval accept-form))
(kill-buffer (current-buffer))
result)
- (condition-case ()
- (delete-file (concat nnmh-current-directory
- (int-to-string article)))
- (file-error nil)))
- result))
-
-(defun nnmh-request-accept-article (group &optional last)
- (if (stringp group)
- (and
- (nnmh-request-list)
- (setq nnmh-group-alist (nnmail-get-active))
- ;; We trick the choosing function into believing that only one
- ;; group is availiable.
- (let ((nnmail-split-methods '(group "")))
- (cons group (nnmh-save-mail))))
- (and
- (nnmh-request-list)
- (setq nnmh-group-alist (nnmail-get-active))
- (nnmh-save-mail))))
-
-(defun nnmh-request-replace-article (article group buffer)
+ (progn
+ (nnmh-possibly-change-directory group server)
+ (condition-case ()
+ (funcall nnmail-delete-file-function
+ (concat nnmh-current-directory (int-to-string article)))
+ (file-error nil))))
+ result))
+
+(deffoo nnmh-request-accept-article (group &optional server last noinsert)
+ (nnmh-possibly-change-directory group server)
+ (nnmail-check-syntax)
+ (when nnmail-cache-accepted-message-ids
+ (nnmail-cache-insert (nnmail-fetch-field "message-id")))
+ (nnheader-init-server-buffer)
+ (prog1
+ (if (stringp group)
+ (if noinsert
+ (nnmh-active-number group)
+ (car (nnmh-save-mail
+ (list (cons group (nnmh-active-number group)))
+ noinsert)))
+ (let ((res (nnmail-article-group 'nnmh-active-number)))
+ (if (and (null res)
+ (yes-or-no-p "Moved to `junk' group; delete article? "))
+ 'junk
+ (car (nnmh-save-mail res noinsert)))))
+ (when (and last nnmail-cache-accepted-message-ids)
+ (nnmail-cache-close))))
+
+(deffoo nnmh-request-replace-article (article group buffer)
(nnmh-possibly-change-directory group)
(save-excursion
(set-buffer buffer)
(nnmh-possibly-create-directory group)
- (condition-case ()
- (progn
- (write-region (point-min) (point-max)
- (concat nnmh-current-directory (int-to-string article))
- nil (if gnus-verbose-backends nil 'nomesg))
- t)
- (error nil))))
+ (ignore-errors
+ (nnmail-write-region
+ (point-min) (point-max)
+ (concat nnmh-current-directory (int-to-string article))
+ nil (if (nnheader-be-verbose 5) nil 'nomesg))
+ t)))
+
+(deffoo nnmh-request-create-group (group &optional server args)
+ (nnheader-init-server-buffer)
+ (unless (assoc group nnmh-group-alist)
+ (let (active)
+ (push (list group (setq active (cons 1 0)))
+ nnmh-group-alist)
+ (nnmh-possibly-create-directory group)
+ (nnmh-possibly-change-directory group server)
+ (let ((articles (mapcar
+ (lambda (file)
+ (string-to-int file))
+ (directory-files
+ nnmh-current-directory nil "^[0-9]+$"))))
+ (when articles
+ (setcar active (apply 'min articles))
+ (setcdr active (apply 'max articles))))))
+ t)
+
+(deffoo nnmh-request-delete-group (group &optional force server)
+ (nnmh-possibly-change-directory group server)
+ ;; Delete all articles in GROUP.
+ (if (not force)
+ () ; Don't delete the articles.
+ (let ((articles (directory-files nnmh-current-directory t "^[0-9]+$")))
+ (while articles
+ (when (file-writable-p (car articles))
+ (nnheader-message 5 "Deleting article %s in %s..."
+ (car articles) group)
+ (funcall nnmail-delete-file-function (car articles)))
+ (setq articles (cdr articles))))
+ ;; Try to delete the directory itself.
+ (ignore-errors
+ (delete-directory nnmh-current-directory)))
+ ;; Remove the group from all structures.
+ (setq nnmh-group-alist
+ (delq (assoc group nnmh-group-alist) nnmh-group-alist)
+ nnmh-current-directory nil)
+ t)
+
+(deffoo nnmh-request-rename-group (group new-name &optional server)
+ (nnmh-possibly-change-directory group server)
+ (let ((new-dir (nnmail-group-pathname new-name nnmh-directory))
+ (old-dir (nnmail-group-pathname group nnmh-directory)))
+ (when (ignore-errors
+ (make-directory new-dir t)
+ t)
+ ;; 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)))
+ (when (<= (length (directory-files old-dir)) 2)
+ (ignore-errors
+ (delete-directory old-dir)))
+ ;; That went ok, so we change the internal structures.
+ (let ((entry (assoc group nnmh-group-alist)))
+ (when entry
+ (setcar entry new-name))
+ (setq nnmh-current-directory nil)
+ t))))
+
+(nnoo-define-skeleton nnmh)
\f
;;; Internal functions.
-(defun nnmh-possibly-change-directory (newsgroup)
- (if newsgroup
- (let ((pathname (nnmh-article-pathname newsgroup nnmh-directory)))
- (if (file-directory-p pathname)
- (setq nnmh-current-directory pathname)
- (error "No such newsgroup: %s" newsgroup)))))
+(defun nnmh-possibly-change-directory (newsgroup &optional server)
+ (when (and server
+ (not (nnmh-server-opened server)))
+ (nnmh-open-server server))
+ (when newsgroup
+ (let ((pathname (nnmail-group-pathname newsgroup nnmh-directory))
+ (pathname-coding-system 'binary))
+ (if (file-directory-p pathname)
+ (setq nnmh-current-directory pathname)
+ (error "No such newsgroup: %s" newsgroup)))))
(defun nnmh-possibly-create-directory (group)
(let (dir dirs)
- (setq dir (nnmail-article-pathname group nnmh-directory))
+ (setq dir (nnmail-group-pathname group nnmh-directory))
(while (not (file-directory-p dir))
- (setq dirs (cons dir dirs))
+ (push dir dirs)
(setq dir (file-name-directory (directory-file-name dir))))
(while dirs
- (if (make-directory (directory-file-name (car dirs)))
- (error "Could not create directory %s" (car dirs)))
- (and gnus-verbose-backends
- (message "Creating mail directory %s" (car dirs)))
+ (when (make-directory (directory-file-name (car dirs)))
+ (error "Could not create directory %s" (car dirs)))
+ (nnheader-message 5 "Creating mail directory %s" (car dirs))
(setq dirs (cdr dirs)))))
-
-(defun nnmh-save-mail ()
+
+(defun nnmh-save-mail (group-art &optional noinsert)
"Called narrowed to an article."
- (let ((group-art (nreverse (nnmail-article-group 'nnmh-active-number)))
- chars nov-line lines hbeg hend)
- (setq chars (nnmail-insert-lines))
- (nnmail-insert-xref group-art)
- (goto-char (point-min))
- (while (looking-at "From ")
- (replace-match "X-From-Line: ")
- (forward-line 1))
- ;; We save the article in all the newsgroups it belongs in.
- (let ((ga group-art)
- first)
- (while ga
- (nnmh-possibly-create-directory (car (car ga)))
- (let ((file (concat (nnmh-article-pathname
- (car (car ga)) nnmh-directory)
- (int-to-string (cdr (car ga))))))
- (if first
- ;; It was already saved, so we just make a hard link.
- (add-name-to-file first file t)
- ;; Save the article.
- (write-region (point-min) (point-max) file nil nil)
- (setq first file)))
- (setq ga (cdr ga))))
- group-art))
+ (unless noinsert
+ (nnmail-insert-lines)
+ (nnmail-insert-xref group-art))
+ (run-hooks 'nnmail-prepare-save-mail-hook)
+ (run-hooks 'nnmh-prepare-save-mail-hook)
+ (goto-char (point-min))
+ (while (looking-at "From ")
+ (replace-match "X-From-Line: ")
+ (forward-line 1))
+ ;; We save the article in all the newsgroups it belongs in.
+ (let ((ga group-art)
+ first)
+ (while ga
+ (nnmh-possibly-create-directory (caar ga))
+ (let ((file (concat (nnmail-group-pathname
+ (caar ga) nnmh-directory)
+ (int-to-string (cdar ga)))))
+ (if first
+ ;; It was already saved, so we just make a hard link.
+ (funcall nnmail-crosspost-link-function first file t)
+ ;; Save the article.
+ (nnmail-write-region (point-min) (point-max) file nil nil)
+ (setq first file)))
+ (setq ga (cdr ga))))
+ group-art)
(defun nnmh-active-number (group)
"Compute the next article number in GROUP."
- (let ((active (car (cdr (assoc group nnmh-group-alist)))))
+ (let ((active (cadr (assoc group nnmh-group-alist)))
+ (dir (nnmail-group-pathname group nnmh-directory))
+ (pathname-coding-system 'binary))
+ (unless active
+ ;; The group wasn't known to nnmh, so we just create an active
+ ;; entry for it.
+ (setq active (cons 1 0))
+ (push (list group active) nnmh-group-alist)
+ (unless (file-exists-p dir)
+ (gnus-make-directory dir))
+ ;; Find the highest number in the group.
+ (let ((files (sort
+ (mapcar
+ (lambda (f)
+ (string-to-int f))
+ (directory-files dir nil "^[0-9]+$"))
+ '>)))
+ (when files
+ (setcdr active (car files)))))
(setcdr active (1+ (cdr active)))
- (let (file)
- (while (file-exists-p
- (setq file (concat (nnmh-article-pathname
- group nnmh-directory)
- (int-to-string (cdr active)))))
- (setcdr active (1+ (cdr active)))))
+ (while (file-exists-p
+ (concat (nnmail-group-pathname group nnmh-directory)
+ (int-to-string (cdr active))))
+ (setcdr active (1+ (cdr active))))
(cdr active)))
-(defun nnmh-article-pathname (group mail-dir)
- "Make pathname for GROUP."
- (let ((mail-dir (file-name-as-directory (expand-file-name mail-dir))))
- (if (file-directory-p (concat mail-dir group))
- (concat mail-dir group "/")
- (concat mail-dir (nnmail-replace-chars-in-string group ?. ?/) "/"))))
-
-(defun nnmh-get-new-mail ()
- "Read new incoming mail."
- (let (incoming)
- (if (and nnmh-get-new-mail nnmail-spool-file
- (file-exists-p nnmail-spool-file)
- (> (nth 7 (file-attributes nnmail-spool-file)) 0))
- (progn
- (message "nnmh: Reading incoming mail...")
- (setq incoming
- (nnmail-move-inbox nnmail-spool-file
- (concat nnmh-directory "Incoming")))
- (nnmh-request-list)
- (setq nnmh-group-alist (nnmail-get-active))
- (nnmail-split-incoming incoming 'nnmh-save-mail)
- (run-hooks 'nnmail-read-incoming-hook)
-;; (delete-file incoming)
- (message "nnmh: Reading incoming mail...done")))))
-
(defun nnmh-update-gnus-unreads (group)
;; Go through the .nnmh-articles file and compare with the actual
- ;; articles in this folder. The articles that are "new" will be
+ ;; articles in this folder. The articles that are "new" will be
;; marked as unread by Gnus.
(let* ((dir nnmh-current-directory)
(files (sort (mapcar (function (lambda (name) (string-to-int name)))
- (directory-files nnmh-current-directory
- nil "^[0-9]+$" t)) '<))
+ (directory-files nnmh-current-directory
+ nil "^[0-9]+$" t))
+ '<))
(nnmh-file (concat dir ".nnmh-articles"))
new articles)
;; Load the .nnmh-articles file.
- (if (file-exists-p nnmh-file)
- (setq articles
- (let (nnmh-newsgroup-articles)
- (condition-case nil (load nnmh-file nil t t) (error nil))
- nnmh-newsgroup-articles)))
+ (when (file-exists-p nnmh-file)
+ (setq articles
+ (let (nnmh-newsgroup-articles)
+ (ignore-errors (load nnmh-file nil t t))
+ nnmh-newsgroup-articles)))
;; Add all new articles to the `new' list.
(let ((art files))
(while art
- (if (not (assq (car art) articles)) (setq new (cons (car art) new)))
+ (unless (assq (car art) articles)
+ (push (car art) new))
(setq art (cdr art))))
;; Remove all deleted articles.
(let ((art articles))
(while art
- (if (not (memq (car (car art)) files))
- (setq articles (delq (car art) articles)))
- (setq art (cdr art))))
- ;; Check whether the highest-numbered articles really are the ones
- ;; that Gnus thinks they are by looking at the time-stamps.
- (let ((art articles))
- (while (and art
- (not (equal
- (nth 5 (file-attributes
- (concat dir (int-to-string (car (car art))))))
- (cdr (car art)))))
- (setq articles (delq (car art) articles))
- (setq new (cons (car (car art)) new))
+ (unless (memq (caar art) files)
+ (setq articles (delq (car art) articles)))
(setq art (cdr art))))
+ ;; Check whether the articles really are the ones that Gnus thinks
+ ;; they are by looking at the time-stamps.
+ (let ((arts articles)
+ art)
+ (while (setq art (pop arts))
+ (when (not (equal
+ (nth 5 (file-attributes
+ (concat dir (int-to-string (car art)))))
+ (cdr art)))
+ (setq articles (delq art articles))
+ (push (car art) new))))
;; Go through all the new articles and add them, and their
- ;; time-stamps to the list.
- (let ((n new))
- (while n
- (setq articles
- (cons (cons
- (car n)
- (nth 5 (file-attributes
- (concat dir (int-to-string (car n))))))
- articles))
- (setq n (cdr n))))
+ ;; time-stamps, to the list.
+ (setq articles
+ (nconc articles
+ (mapcar
+ (lambda (art)
+ (cons art
+ (nth 5 (file-attributes
+ (concat dir (int-to-string art))))))
+ new)))
;; Make Gnus mark all new articles as unread.
- (or (zerop (length new))
- (gnus-make-articles-unread
- (gnus-group-prefixed-name group (list 'nnmh ""))
- (setq new (sort new '<))))
+ (when new
+ (gnus-make-articles-unread
+ (gnus-group-prefixed-name group (list 'nnmh ""))
+ (setq new (sort new '<))))
;; Sort the article list with highest numbers first.
- (setq articles (sort articles (lambda (art1 art2)
+ (setq articles (sort articles (lambda (art1 art2)
(> (car art1) (car art2)))))
;; Finally write this list back to the .nnmh-articles file.
- (save-excursion
- (set-buffer (get-buffer-create "*nnmh out*"))
+ (with-temp-file nnmh-file
(insert ";; Gnus article active file for " group "\n\n")
(insert "(setq nnmh-newsgroup-articles '")
- (insert (prin1-to-string articles) ")\n")
- (write-region (point-min) (point-max) nnmh-file nil 'nomesg)
- (kill-buffer (current-buffer)))))
+ (gnus-prin1 articles)
+ (insert ")\n"))))
+
+(defun nnmh-deletable-article-p (group article)
+ "Say whether ARTICLE in GROUP can be deleted."
+ (let ((path (concat nnmh-current-directory (int-to-string article))))
+ ;; Writable.
+ (and (file-writable-p path)
+ (or
+ ;; We can never delete the last article in the group.
+ (not (eq (cdr (nth 1 (assoc group nnmh-group-alist)))
+ article))
+ ;; Well, we can.
+ nnmh-allow-delete-final))))
(provide 'nnmh)
projects / gnus / blobdiff