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emacs/lisp/nnsoup.el
Lars Magne Ingebrigtsen 526baa41c5 Initial revision
1996-06-25 22:35:26 +00:00

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;;; nnsoup.el --- SOUP access for Gnus
;; Copyright (C) 1995,96 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Keywords: news, mail
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; 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, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;;; Code:
(require 'nnheader)
(require 'nnmail)
(require 'gnus-soup)
(require 'gnus-msg)
(require 'nnoo)
(eval-when-compile (require 'cl))
(nnoo-declare nnsoup)
(defvoo nnsoup-directory "~/SOUP/"
"*SOUP packet directory.")
(defvoo nnsoup-tmp-directory "/tmp/"
"*Where nnsoup will store temporary files.")
(defvoo nnsoup-replies-directory (concat nnsoup-directory "replies/")
"*Directory where outgoing packets will be composed.")
(defvoo nnsoup-replies-format-type ?n
"*Format of the replies packages.")
(defvoo nnsoup-replies-index-type ?n
"*Index type of the replies packages.")
(defvoo nnsoup-active-file (concat nnsoup-directory "active")
"Active file.")
(defvoo nnsoup-packer "tar cf - %s | gzip > $HOME/Soupin%d.tgz"
"Format string command for packing a SOUP packet.
The SOUP files will be inserted where the %s is in the string.
This string MUST contain both %s and %d. The file number will be
inserted where %d appears.")
(defvoo nnsoup-unpacker "gunzip -c %s | tar xvf -"
"*Format string command for unpacking a SOUP packet.
The SOUP packet file name will be inserted at the %s.")
(defvoo nnsoup-packet-directory "~/"
"*Where nnsoup will look for incoming packets.")
(defvoo nnsoup-packet-regexp "Soupout"
"*Regular expression matching SOUP packets in `nnsoup-packet-directory'.")
(defconst nnsoup-version "nnsoup 0.0"
"nnsoup version.")
(defvoo nnsoup-status-string "")
(defvoo nnsoup-group-alist nil)
(defvoo nnsoup-current-prefix 0)
(defvoo nnsoup-replies-list nil)
(defvoo nnsoup-buffers nil)
(defvoo nnsoup-current-group nil)
(defvoo nnsoup-group-alist-touched nil)
;;; Interface functions.
(nnoo-define-basics nnsoup)
(deffoo nnsoup-retrieve-headers (sequence &optional group server fetch-old)
(nnsoup-possibly-change-group group)
(save-excursion
(set-buffer nntp-server-buffer)
(erase-buffer)
(let ((areas (cddr (assoc nnsoup-current-group nnsoup-group-alist)))
(articles sequence)
(use-nov t)
useful-areas this-area-seq msg-buf)
(if (stringp (car sequence))
;; We don't support fetching by Message-ID.
'headers
;; We go through all the areas and find which files the
;; articles in SEQUENCE come from.
(while (and areas sequence)
;; Peel off areas that are below sequence.
(while (and areas (< (cdaar areas) (car sequence)))
(setq areas (cdr areas)))
(when areas
;; This is a useful area.
(push (car areas) useful-areas)
(setq this-area-seq nil)
;; We take note whether this MSG has a corresponding IDX
;; for later use.
(when (or (= (gnus-soup-encoding-index
(gnus-soup-area-encoding (nth 1 (car areas)))) ?n)
(not (file-exists-p
(nnsoup-file
(gnus-soup-area-prefix (nth 1 (car areas)))))))
(setq use-nov nil))
;; We assign the portion of `sequence' that is relevant to
;; this MSG packet to this packet.
(while (and sequence (<= (car sequence) (cdaar areas)))
(push (car sequence) this-area-seq)
(setq sequence (cdr sequence)))
(setcar useful-areas (cons (nreverse this-area-seq)
(car useful-areas)))))
;; We now have a list of article numbers and corresponding
;; areas.
(setq useful-areas (nreverse useful-areas))
;; Two different approaches depending on whether all the MSG
;; files have corresponding IDX files. If they all do, we
;; simply return the relevant IDX files and let Gnus sort out
;; what lines are relevant. If some of the IDX files are
;; missing, we must return HEADs for all the articles.
(if use-nov
;; We have IDX files for all areas.
(progn
(while useful-areas
(goto-char (point-max))
(let ((b (point))
(number (car (nth 1 (car useful-areas))))
(index-buffer (nnsoup-index-buffer
(gnus-soup-area-prefix
(nth 2 (car useful-areas))))))
(when index-buffer
(insert-buffer-substring index-buffer)
(goto-char b)
;; We have to remove the index number entires and
;; insert article numbers instead.
(while (looking-at "[0-9]+")
(replace-match (int-to-string number) t t)
(incf number)
(forward-line 1))))
(setq useful-areas (cdr useful-areas)))
'nov)
;; We insert HEADs.
(while useful-areas
(setq articles (caar useful-areas)
useful-areas (cdr useful-areas))
(while articles
(when (setq msg-buf
(nnsoup-narrow-to-article
(car articles) (cdar useful-areas) 'head))
(goto-char (point-max))
(insert (format "221 %d Article retrieved.\n" (car articles)))
(insert-buffer-substring msg-buf)
(goto-char (point-max))
(insert ".\n"))
(setq articles (cdr articles))))
(nnheader-fold-continuation-lines)
'headers)))))
(deffoo nnsoup-open-server (server &optional defs)
(nnoo-change-server 'nnsoup server defs)
(when (not (file-exists-p nnsoup-directory))
(condition-case ()
(make-directory nnsoup-directory t)
(error t)))
(cond
((not (file-exists-p nnsoup-directory))
(nnsoup-close-server)
(nnheader-report 'nnsoup "Couldn't create directory: %s" nnsoup-directory))
((not (file-directory-p (file-truename nnsoup-directory)))
(nnsoup-close-server)
(nnheader-report 'nnsoup "Not a directory: %s" nnsoup-directory))
(t
(nnsoup-read-active-file)
(nnheader-report 'nnsoup "Opened server %s using directory %s"
server nnsoup-directory)
t)))
(deffoo nnsoup-request-close ()
(nnsoup-write-active-file)
(nnsoup-write-replies)
(gnus-soup-save-areas)
;; Kill all nnsoup buffers.
(let (buffer)
(while nnsoup-buffers
(setq buffer (cdr (pop nnsoup-buffers)))
(and buffer
(buffer-name buffer)
(kill-buffer buffer))))
(setq nnsoup-group-alist nil
nnsoup-group-alist-touched nil
nnsoup-current-group nil
nnsoup-replies-list nil)
(nnoo-close-server 'nnoo)
t)
(deffoo nnsoup-request-article (id &optional newsgroup server buffer)
(nnsoup-possibly-change-group newsgroup)
(let (buf)
(save-excursion
(set-buffer (or buffer nntp-server-buffer))
(erase-buffer)
(when (and (not (stringp id))
(setq buf (nnsoup-narrow-to-article id)))
(insert-buffer-substring buf)
t))))
(deffoo nnsoup-request-group (group &optional server dont-check)
(nnsoup-possibly-change-group group)
(if dont-check
t
(let ((active (cadr (assoc group nnsoup-group-alist))))
(if (not active)
(nnheader-report 'nnsoup "No such group: %s" group)
(nnheader-insert
"211 %d %d %d %s\n"
(max (1+ (- (cdr active) (car active))) 0)
(car active) (cdr active) group)))))
(deffoo nnsoup-request-type (group &optional article)
(nnsoup-possibly-change-group group)
(if (not article)
'unknown
(let ((kind (gnus-soup-encoding-kind
(gnus-soup-area-encoding
(nth 1 (nnsoup-article-to-area
article nnsoup-current-group))))))
(cond ((= kind ?m) 'mail)
((= kind ?n) 'news)
(t 'unknown)))))
(deffoo nnsoup-close-group (group &optional server)
;; Kill all nnsoup buffers.
(let ((buffers nnsoup-buffers)
elem)
(while buffers
(when (equal (car (setq elem (pop buffers))) group)
(setq nnsoup-buffers (delq elem nnsoup-buffers))
(and (cdr elem) (buffer-name (cdr elem))
(kill-buffer (cdr elem))))))
t)
(deffoo nnsoup-request-list (&optional server)
(save-excursion
(set-buffer nntp-server-buffer)
(erase-buffer)
(unless nnsoup-group-alist
(nnsoup-read-active-file))
(let ((alist nnsoup-group-alist)
(standard-output (current-buffer))
entry)
(while (setq entry (pop alist))
(insert (car entry) " ")
(princ (cdadr entry))
(insert " ")
(princ (caadr entry))
(insert " y\n"))
t)))
(deffoo nnsoup-request-scan (group &optional server)
(nnsoup-unpack-packets))
(deffoo nnsoup-request-newgroups (date &optional server)
(nnsoup-request-list))
(deffoo nnsoup-request-list-newsgroups (&optional server)
nil)
(deffoo nnsoup-request-post (&optional server)
(nnsoup-store-reply "news")
t)
(deffoo nnsoup-request-mail (&optional server)
(nnsoup-store-reply "mail")
t)
(deffoo nnsoup-request-expire-articles (articles group &optional server force)
(nnsoup-possibly-change-group group)
(let* ((total-infolist (assoc group nnsoup-group-alist))
(active (cadr total-infolist))
(infolist (cddr total-infolist))
info range-list mod-time prefix)
(while infolist
(setq info (pop infolist)
range-list (gnus-uncompress-range (car info))
prefix (gnus-soup-area-prefix (nth 1 info)))
(when ;; All the articles in this file are marked for expiry.
(and (or (setq mod-time (nth 5 (file-attributes
(nnsoup-file prefix))))
(setq mod-time (nth 5 (file-attributes
(nnsoup-file prefix t)))))
(gnus-sublist-p articles range-list)
;; This file is old enough.
(nnmail-expired-article-p group mod-time force))
;; Ok, we delete this file.
(when (condition-case nil
(progn
(nnheader-message
5 "Deleting %s in group %s..." (nnsoup-file prefix)
group)
(when (file-exists-p (nnsoup-file prefix))
(delete-file (nnsoup-file prefix)))
(nnheader-message
5 "Deleting %s in group %s..." (nnsoup-file prefix t)
group)
(when (file-exists-p (nnsoup-file prefix t))
(delete-file (nnsoup-file prefix t)))
t)
(error nil))
(setcdr (cdr total-infolist) (delq info (cddr total-infolist)))
(setq articles (gnus-sorted-complement articles range-list))))
(when (not mod-time)
(setcdr (cdr total-infolist) (delq info (cddr total-infolist)))))
(if (cddr total-infolist)
(setcar active (caaadr (cdr total-infolist)))
(setcar active (1+ (cdr active))))
(nnsoup-write-active-file t)
;; Return the articles that weren't expired.
articles))
;;; Internal functions
(defun nnsoup-possibly-change-group (group &optional force)
(if group
(setq nnsoup-current-group group)
t))
(defun nnsoup-read-active-file ()
(setq nnsoup-group-alist nil)
(when (file-exists-p nnsoup-active-file)
(condition-case ()
(load nnsoup-active-file t t t)
(error nil))
;; Be backwards compatible.
(when (and nnsoup-group-alist
(not (atom (caadar nnsoup-group-alist))))
(let ((alist nnsoup-group-alist)
entry e min max)
(while (setq e (cdr (setq entry (pop alist))))
(setq min (caaar e))
(while (cdr e)
(setq e (cdr e)))
(setq max (cdaar e))
(setcdr entry (cons (cons min max) (cdr entry)))))
(setq nnsoup-group-alist-touched t))
nnsoup-group-alist))
(defun nnsoup-write-active-file (&optional force)
(when (and nnsoup-group-alist
(or force
nnsoup-group-alist-touched))
(setq nnsoup-group-alist-touched nil)
(nnheader-temp-write nnsoup-active-file
(let ((standard-output (current-buffer)))
(prin1 `(setq nnsoup-group-alist ',nnsoup-group-alist))
(insert "\n")
(prin1 `(setq nnsoup-current-prefix ,nnsoup-current-prefix))
(insert "\n")))))
(defun nnsoup-next-prefix ()
"Return the next free prefix."
(let (prefix)
(while (or (file-exists-p
(nnsoup-file (setq prefix (int-to-string
nnsoup-current-prefix))))
(file-exists-p (nnsoup-file prefix t)))
(incf nnsoup-current-prefix))
(incf nnsoup-current-prefix)
prefix))
(defun nnsoup-read-areas ()
(save-excursion
(set-buffer nntp-server-buffer)
(let ((areas (gnus-soup-parse-areas (concat nnsoup-tmp-directory "AREAS")))
entry number area lnum cur-prefix file)
;; Go through all areas in the new AREAS file.
(while (setq area (pop areas))
;; Change the name to the permanent name and move the files.
(setq cur-prefix (nnsoup-next-prefix))
(message "Incorporating file %s..." cur-prefix)
(when (file-exists-p
(setq file (concat nnsoup-tmp-directory
(gnus-soup-area-prefix area) ".IDX")))
(rename-file file (nnsoup-file cur-prefix)))
(when (file-exists-p
(setq file (concat nnsoup-tmp-directory
(gnus-soup-area-prefix area) ".MSG")))
(rename-file file (nnsoup-file cur-prefix t))
(gnus-soup-set-area-prefix area cur-prefix)
;; Find the number of new articles in this area.
(setq number (nnsoup-number-of-articles area))
(if (not (setq entry (assoc (gnus-soup-area-name area)
nnsoup-group-alist)))
;; If this is a new area (group), we just add this info to
;; the group alist.
(push (list (gnus-soup-area-name area)
(cons 1 number)
(list (cons 1 number) area))
nnsoup-group-alist)
;; There are already articles in this group, so we add this
;; info to the end of the entry.
(nconc entry (list (list (cons (1+ (setq lnum (cdadr entry)))
(+ lnum number))
area)))
(setcdr (cadr entry) (+ lnum number))))))
(nnsoup-write-active-file t)
(delete-file (concat nnsoup-tmp-directory "AREAS"))))
(defun nnsoup-number-of-articles (area)
(save-excursion
(cond
;; If the number is in the area info, we just return it.
((gnus-soup-area-number area)
(gnus-soup-area-number area))
;; If there is an index file, we just count the lines.
((/= (gnus-soup-encoding-index (gnus-soup-area-encoding area)) ?n)
(set-buffer (nnsoup-index-buffer (gnus-soup-area-prefix area)))
(count-lines (point-min) (point-max)))
;; We do it the hard way - re-searching through the message
;; buffer.
(t
(set-buffer (nnsoup-message-buffer (gnus-soup-area-prefix area)))
(goto-char (point-min))
(let ((regexp (nnsoup-header (gnus-soup-encoding-format
(gnus-soup-area-encoding area))))
(num 0))
(while (re-search-forward regexp nil t)
(setq num (1+ num)))
num)))))
(defun nnsoup-index-buffer (prefix &optional message)
(let* ((file (concat prefix (if message ".MSG" ".IDX")))
(buffer-name (concat " *nnsoup " file "*")))
(or (get-buffer buffer-name) ; File aready loaded.
(when (file-exists-p (concat nnsoup-directory file))
(save-excursion ; Load the file.
(set-buffer (get-buffer-create buffer-name))
(buffer-disable-undo (current-buffer))
(push (cons nnsoup-current-group (current-buffer)) nnsoup-buffers)
(insert-file-contents (concat nnsoup-directory file))
(current-buffer))))))
(defun nnsoup-file (prefix &optional message)
(expand-file-name
(concat nnsoup-directory prefix (if message ".MSG" ".IDX"))))
(defun nnsoup-message-buffer (prefix)
(nnsoup-index-buffer prefix 'msg))
(defun nnsoup-unpack-packets ()
"Unpack all packets in `nnsoup-packet-directory'."
(let ((packets (directory-files
nnsoup-packet-directory t nnsoup-packet-regexp))
packet)
(while (setq packet (pop packets))
(message (format "nnsoup: unpacking %s..." packet))
(if (not (gnus-soup-unpack-packet
nnsoup-tmp-directory nnsoup-unpacker packet))
(message "Couldn't unpack %s" packet)
(delete-file packet)
(nnsoup-read-areas)
(message "Unpacking...done")))))
(defun nnsoup-narrow-to-article (article &optional area head)
(let* ((area (or area (nnsoup-article-to-area article nnsoup-current-group)))
(prefix (and area (gnus-soup-area-prefix (nth 1 area))))
(msg-buf (and prefix (nnsoup-index-buffer prefix 'msg)))
beg end)
(when area
(save-excursion
(cond
;; There is no MSG file.
((null msg-buf)
nil)
;; We use the index file to find out where the article begins and ends.
((and (= (gnus-soup-encoding-index
(gnus-soup-area-encoding (nth 1 area)))
?c)
(file-exists-p (nnsoup-file prefix)))
(set-buffer (nnsoup-index-buffer prefix))
(widen)
(goto-char (point-min))
(forward-line (- article (caar area)))
(setq beg (read (current-buffer)))
(forward-line 1)
(if (looking-at "[0-9]+")
(progn
(setq end (read (current-buffer)))
(set-buffer msg-buf)
(widen)
(let ((format (gnus-soup-encoding-format
(gnus-soup-area-encoding (nth 1 area)))))
(goto-char end)
(if (or (= format ?n) (= format ?m))
(setq end (progn (forward-line -1) (point))))))
(set-buffer msg-buf))
(widen)
(narrow-to-region beg (or end (point-max))))
(t
(set-buffer msg-buf)
(widen)
(goto-char (point-min))
(let ((header (nnsoup-header
(gnus-soup-encoding-format
(gnus-soup-area-encoding (nth 1 area))))))
(re-search-forward header nil t (- article (caar area)))
(narrow-to-region
(match-beginning 0)
(if (re-search-forward header nil t)
(match-beginning 0)
(point-max))))))
(goto-char (point-min))
(if (not head)
()
(narrow-to-region
(point-min)
(if (search-forward "\n\n" nil t)
(1- (point))
(point-max))))
msg-buf))))
(defun nnsoup-header (format)
(cond
((= format ?n)
"^#! *rnews +[0-9]+ *$")
((= format ?m)
(concat "^" message-unix-mail-delimiter))
((= format ?M)
"^\^A\^A\^A\^A\n")
(t
(error "Unknown format: %c" format))))
;;;###autoload
(defun nnsoup-pack-replies ()
"Make an outbound package of SOUP replies."
(interactive)
;; Write all data buffers.
(gnus-soup-save-areas)
;; Write the active file.
(nnsoup-write-active-file)
;; Write the REPLIES file.
(nnsoup-write-replies)
;; Pack all these files into a SOUP packet.
(gnus-soup-pack nnsoup-replies-directory nnsoup-packer))
(defun nnsoup-write-replies ()
"Write the REPLIES file."
(when nnsoup-replies-list
(gnus-soup-write-replies nnsoup-replies-directory nnsoup-replies-list)
(setq nnsoup-replies-list nil)))
(defun nnsoup-article-to-area (article group)
"Return the area that ARTICLE in GROUP is located in."
(let ((areas (cddr (assoc group nnsoup-group-alist))))
(while (and areas (< (cdaar areas) article))
(setq areas (cdr areas)))
(and areas (car areas))))
(defvar nnsoup-old-functions
(list message-send-mail-function message-send-news-function))
;;;###autoload
(defun nnsoup-set-variables ()
"Use the SOUP methods for posting news and mailing mail."
(interactive)
(setq message-send-news-function 'nnsoup-request-post)
(setq message-send-mail-function 'nnsoup-request-mail))
;;;###autoload
(defun nnsoup-revert-variables ()
"Revert posting and mailing methods to the standard Emacs methods."
(interactive)
(setq message-send-mail-function (car nnsoup-old-functions))
(setq message-send-news-function (cadr nnsoup-old-functions)))
(defun nnsoup-store-reply (kind)
;; Mostly stolen from `message.el'.
(require 'mail-utils)
(let ((tembuf (generate-new-buffer " message temp"))
(case-fold-search nil)
(news (message-news-p))
(resend-to-addresses (mail-fetch-field "resent-to"))
delimline
(mailbuf (current-buffer)))
(unwind-protect
(save-excursion
(save-restriction
(message-narrow-to-headers)
(if (equal kind "mail")
(message-generate-headers message-required-mail-headers)
(message-generate-headers message-required-news-headers)))
(set-buffer tembuf)
(erase-buffer)
(insert-buffer-substring mailbuf)
;; Remove some headers.
(save-restriction
(message-narrow-to-headers)
;; Remove some headers.
(message-remove-header message-ignored-mail-headers t))
(goto-char (point-max))
;; require one newline at the end.
(or (= (preceding-char) ?\n)
(insert ?\n))
(when (and news
(equal kind "mail")
(or (mail-fetch-field "cc")
(mail-fetch-field "to")))
(message-insert-courtesy-copy))
(let ((case-fold-search t))
;; Change header-delimiter to be what sendmail expects.
(goto-char (point-min))
(re-search-forward
(concat "^" (regexp-quote mail-header-separator) "\n"))
(replace-match "\n")
(backward-char 1)
(setq delimline (point-marker))
;; Insert an extra newline if we need it to work around
;; Sun's bug that swallows newlines.
(goto-char (1+ delimline))
(when (eval message-mailer-swallows-blank-line)
(newline))
(let ((msg-buf
(gnus-soup-store
nnsoup-replies-directory
(nnsoup-kind-to-prefix kind) nil nnsoup-replies-format-type
nnsoup-replies-index-type))
(num 0))
(when (and msg-buf (bufferp msg-buf))
(save-excursion
(set-buffer msg-buf)
(goto-char (point-min))
(while (re-search-forward "^#! *rnews" nil t)
(incf num)))
(message "Stored %d messages" num)))
(nnsoup-write-replies)
(kill-buffer tembuf))))))
(defun nnsoup-kind-to-prefix (kind)
(unless nnsoup-replies-list
(setq nnsoup-replies-list
(gnus-soup-parse-replies
(concat nnsoup-replies-directory "REPLIES"))))
(let ((replies nnsoup-replies-list))
(while (and replies
(not (string= kind (gnus-soup-reply-kind (car replies)))))
(setq replies (cdr replies)))
(if replies
(gnus-soup-reply-prefix (car replies))
(setq nnsoup-replies-list
(cons (vector (gnus-soup-unique-prefix nnsoup-replies-directory)
kind
(format "%c%c%c"
nnsoup-replies-format-type
nnsoup-replies-index-type
(if (string= kind "news")
?n ?m)))
nnsoup-replies-list))
(gnus-soup-reply-prefix (car nnsoup-replies-list)))))
(defun nnsoup-make-active ()
"(Re-)create the SOUP active file."
(interactive)
(let ((files (sort (directory-files nnsoup-directory t "IDX$")
(lambda (f1 f2)
(< (progn (string-match "/\\([0-9]+\\)\\." f1)
(string-to-int (match-string 1 f1)))
(progn (string-match "/\\([0-9]+\\)\\." f2)
(string-to-int (match-string 1 f2)))))))
active group lines ident elem min)
(set-buffer (get-buffer-create " *nnsoup work*"))
(buffer-disable-undo (current-buffer))
(while files
(message "Doing %s..." (car files))
(erase-buffer)
(insert-file-contents (car files))
(goto-char (point-min))
(if (not (re-search-forward "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t *\\(Xref: \\)? *[^ ]* \\([^ ]+\\):[0-9]" nil t))
(setq group "unknown")
(setq group (match-string 2)))
(setq lines (count-lines (point-min) (point-max)))
(setq ident (progn (string-match
"/\\([0-9]+\\)\\." (car files))
(substring
(car files) (match-beginning 1)
(match-end 1))))
(if (not (setq elem (assoc group active)))
(push (list group (cons 1 lines)
(list (cons 1 lines)
(vector ident group "ncm" "" lines)))
active)
(nconc elem
(list
(list (cons (1+ (setq min (cdadr elem)))
(+ min lines))
(vector ident group "ncm" "" lines))))
(setcdr (cadr elem) (+ min lines)))
(setq files (cdr files)))
(message "")
(setq nnsoup-group-alist active)
(nnsoup-write-active-file t)))
(defun nnsoup-delete-unreferenced-message-files ()
"Delete any *.MSG and *.IDX files that aren't known by nnsoup."
(interactive)
(let* ((known (apply 'nconc (mapcar
(lambda (ga)
(mapcar
(lambda (area)
(gnus-soup-area-prefix (cadr area)))
(cddr ga)))
nnsoup-group-alist)))
(regexp "\\.MSG$\\|\\.IDX$")
(files (directory-files nnsoup-directory nil regexp))
non-files file)
;; Find all files that aren't known by nnsoup.
(while (setq file (pop files))
(string-match regexp file)
(unless (member (substring file 0 (match-beginning 0)) known)
(push file non-files)))
;; Sort and delete the files.
(setq non-files (sort non-files 'string<))
(map-y-or-n-p "Delete file %s? "
(lambda (file) (delete-file (concat nnsoup-directory file)))
non-files)))
(provide 'nnsoup)
;;; nnsoup.el ends here