X-Git-Url: http://cgit.sxemacs.org/?p=gnus;a=blobdiff_plain;f=lisp%2Fgnus-agent.el;h=65bc02bdeabb2582c048c91cbda6aafdf0502c40;hp=a76b502b7b7f95c663332dc5d1b67630679ee073;hb=1626a196f4c06639aaf46dc4a6a0901b7b6e9b5c;hpb=b18b139721468723906cc870944cee918d16de1a

diff --git a/lisp/gnus-agent.el b/lisp/gnus-agent.el
index a76b502b7..65bc02bde 100644
--- a/lisp/gnus-agent.el
+++ b/lisp/gnus-agent.el
@@ -1,9 +1,7 @@
 ;;; gnus-agent.el --- unplugged support for Gnus
-;; Copyright (C) 1997 Free Software Foundation, Inc.
-
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
-;; Keywords: news
+;; Copyright (C) 1997,98 Free Software Foundation, Inc.
 
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; This file is part of GNU Emacs.
 
 ;; GNU Emacs is free software; you can redistribute it and/or modify
@@ -46,8 +44,41 @@
   :group 'gnus-agent
   :type 'hook)
 
+(defcustom gnus-agent-handle-level gnus-level-subscribed
+  "Groups on levels higher than this variable will be ignored by the Agent."
+  :group 'gnus-agent
+  :type 'integer)
+
+(defcustom gnus-agent-expire-days 7
+  "Read articles older than this will be expired."
+  :group 'gnus-agent
+  :type 'integer)
+
+(defcustom gnus-agent-expire-all nil
+  "If non-nil, also expire unread, ticked and dormant articles.
+If nil, only read articles will be expired."
+  :group 'gnus-agent
+  :type 'boolean)
+
+(defcustom gnus-agent-group-mode-hook nil
+  "Hook run in Agent group minor modes."
+  :group 'gnus-agent
+  :type 'hook)
+
+(defcustom gnus-agent-summary-mode-hook nil
+  "Hook run in Agent summary minor modes."
+  :group 'gnus-agent
+  :type 'hook)
+
+(defcustom gnus-agent-server-mode-hook nil
+  "Hook run in Agent summary minor modes."
+  :group 'gnus-agent
+  :type 'hook)
+
 ;;; Internal variables
 
+(defvar gnus-agent-meta-information-header "X-Gnus-Agent-Meta-Information")
+
 (defvar gnus-agent-history-buffers nil)
 (defvar gnus-agent-buffer-alist nil)
 (defvar gnus-agent-article-alist nil)
@@ -76,7 +107,7 @@
   (gnus-agent-read-servers)
   (gnus-category-read)
   (setq gnus-agent-overview-buffer
-	(get-buffer-create " *Gnus agent overview*"))
+	(gnus-get-buffer-create " *Gnus agent overview*"))
   (add-hook 'gnus-group-mode-hook 'gnus-agent-mode)
   (add-hook 'gnus-summary-mode-hook 'gnus-agent-mode)
   (add-hook 'gnus-server-mode-hook 'gnus-agent-mode))
@@ -96,9 +127,9 @@
 
 (defun gnus-agent-read-file (file)
   "Load FILE and do a `read' there."
-  (nnheader-temp-write nil
+  (with-temp-buffer
     (ignore-errors
-      (insert-file-contents file)
+      (nnheader-insert-file-contents file)
       (goto-char (point-min))
       (read (current-buffer)))))
 
@@ -110,7 +141,8 @@
 
 (defsubst gnus-agent-directory ()
   "Path of the Gnus agent directory."
-  (nnheader-concat gnus-agent-directory (gnus-agent-method) "/"))
+  (nnheader-concat gnus-agent-directory
+		   (nnheader-translate-file-chars (gnus-agent-method)) "/"))
 
 (defun gnus-agent-lib-file (file)
   "The full path of the Gnus agent library FILE."
@@ -171,8 +203,10 @@
       (push (cons mode (symbol-value (intern (format "gnus-agent-%s-mode-map"
 						     buffer))))
 	    minor-mode-map-alist))
-    (gnus-agent-toggle-plugged gnus-plugged)
-    (run-hooks 'gnus-agent-mode-hook)))
+    (when (eq major-mode 'gnus-group-mode)
+      (gnus-agent-toggle-plugged gnus-plugged))
+    (gnus-run-hooks 'gnus-agent-mode-hook
+		    (intern (format "gnus-agent-%s-mode-hook" buffer)))))
 
 (defvar gnus-agent-group-mode-map (make-sparse-keymap))
 (gnus-define-keys gnus-agent-group-mode-map
@@ -234,12 +268,13 @@
   (interactive (list (not gnus-plugged)))
   (if plugged
       (progn
-	(run-hooks 'gnus-agent-plugged-hook)
+	(setq gnus-plugged plugged)
+	(gnus-run-hooks 'gnus-agent-plugged-hook)
 	(setcar (cdr gnus-agent-mode-status) " Plugged"))
     (gnus-agent-close-connections)
-    (run-hooks 'gnus-agent-unplugged-hook)
+    (setq gnus-plugged plugged)
+    (gnus-run-hooks 'gnus-agent-unplugged-hook)
     (setcar (cdr gnus-agent-mode-status) " Unplugged"))
-  (setq gnus-plugged plugged)
   (set-buffer-modified-p t))
 
 (defun gnus-agent-close-connections ()
@@ -255,6 +290,13 @@
   (setq gnus-plugged nil)
   (gnus))
 
+;;;###autoload
+(defun gnus-plugged ()
+  "Start Gnus plugged."
+  (interactive)
+  (setq gnus-plugged t)
+  (gnus))
+
 ;;;###autoload
 (defun gnus-agentize ()
   "Allow Gnus to be an offline newsreader.
@@ -291,19 +333,34 @@ agent minor mode in all Gnus buffers."
     (re-search-forward
      (concat "^" (regexp-quote mail-header-separator) "\n"))
     (replace-match "\n")
+    (gnus-agent-insert-meta-information 'mail)
     (gnus-request-accept-article "nndraft:queue")))
 
+(defun gnus-agent-insert-meta-information (type &optional method)
+  "Insert meta-information into the message that says how it's to be posted.
+TYPE can be either `mail' or `news'.  If the latter METHOD can
+be a select method."
+  (save-excursion
+    (message-remove-header gnus-agent-meta-information-header)
+    (goto-char (point-min))
+    (insert gnus-agent-meta-information-header ": "
+	    (symbol-name type) " " (format "%S" method)
+	    "\n")
+    (forward-char -1)
+    (while (search-backward "\n" nil t)
+      (replace-match "\\n" t t))))
+
 ;;;
 ;;; Group mode commands
 ;;;
 
 (defun gnus-agent-fetch-groups (n)
-  "Put all new articles in the current groups into the agent."
+  "Put all new articles in the current groups into the Agent."
   (interactive "P")
   (gnus-group-iterate n 'gnus-agent-fetch-group))
 
 (defun gnus-agent-fetch-group (group)
-  "Put all new articles in GROUP into the agent."
+  "Put all new articles in GROUP into the Agent."
   (interactive (list (gnus-group-group-name)))
   (unless group
     (error "No group on the current line"))
@@ -347,7 +404,7 @@ agent minor mode in all Gnus buffers."
       (error "Server already in the agent program"))
     (push method gnus-agent-covered-methods)
     (gnus-agent-write-servers)
-    (message "Entered %s into the agent" server)))
+    (message "Entered %s into the Agent" server)))
 
 (defun gnus-agent-remove-server (server)
   "Remove SERVER from the agent program."
@@ -370,7 +427,7 @@ agent minor mode in all Gnus buffers."
 
 (defun gnus-agent-write-servers ()
   "Write the alist of covered servers."
-  (nnheader-temp-write (nnheader-concat gnus-agent-directory "lib/servers")
+  (with-temp-file (nnheader-concat gnus-agent-directory "lib/servers")
     (prin1 gnus-agent-covered-methods (current-buffer))))
 
 ;;;
@@ -473,10 +530,35 @@ the actual number of articles toggled is returned."
     (when (file-exists-p (gnus-agent-lib-file "active"))
       (delete-file (gnus-agent-lib-file "active"))))
 
+(defun gnus-agent-save-group-info (method group active)
+  (when (gnus-agent-method-p method)
+    (let* ((gnus-command-method method)
+	   (file (if nntp-server-list-active-group
+		     (gnus-agent-lib-file "active")
+		   (gnus-agent-lib-file "groups"))))
+      (gnus-make-directory (file-name-directory file))
+      (with-temp-file file
+	(when (file-exists-p file)
+	  (nnheader-insert-file-contents file))
+	(goto-char (point-min))
+	(if nntp-server-list-active-group
+	    (progn
+	      (when (re-search-forward
+		     (concat "^" (regexp-quote group) " ") nil t)
+		(gnus-delete-line))
+	      (insert group " " (number-to-string (cdr active)) " "
+		      (number-to-string (car active)) "\n"))
+	  (when (re-search-forward (concat (regexp-quote group) " ") nil t)
+	    (gnus-delete-line))
+	  (insert-buffer-substring nntp-server-buffer))))))
+
 (defun gnus-agent-group-path (group)
   "Translate GROUP into a path."
-  (nnheader-translate-file-chars
-   (nnheader-replace-chars-in-string group ?. ?/)))
+  (if nnmail-use-long-file-names
+      (gnus-group-real-name group)
+    (nnheader-replace-chars-in-string
+     (nnheader-translate-file-chars (gnus-group-real-name group))
+     ?. ?/)))
 
 
 
@@ -500,7 +582,7 @@ the actual number of articles toggled is returned."
 (defun gnus-agent-open-history ()
   (save-excursion
     (push (cons (gnus-agent-method)
-		(set-buffer (get-buffer-create
+		(set-buffer (gnus-get-buffer-create
 			     (format " *Gnus agent %s history*"
 				     (gnus-agent-method)))))
 	  gnus-agent-history-buffers)
@@ -531,7 +613,7 @@ the actual number of articles toggled is returned."
     (goto-char (point-max))
     (insert id "\t" (number-to-string date) "\t")
     (while group-arts
-      (insert (caar group-arts) "/" (number-to-string (cdr (pop group-arts)))
+      (insert (caar group-arts) " " (number-to-string (cdr (pop group-arts)))
 	      " "))
     (insert "\n")))
 
@@ -557,12 +639,12 @@ the actual number of articles toggled is returned."
 ;;;
 
 (defun gnus-agent-fetch-articles (group articles)
-  "Fetch ARTICLES from GROUP and put them into the agent."
+  "Fetch ARTICLES from GROUP and put them into the Agent."
   (when articles
     ;; Prune off articles that we have already fetched.
     (while (and articles
 		(cdr (assq (car articles) gnus-agent-article-alist)))
-      (pop articles))
+     (pop articles))
     (let ((arts articles))
       (while (cdr arts)
 	(if (cdr (assq (cadr arts) gnus-agent-article-alist))
@@ -574,15 +656,14 @@ the actual number of articles toggled is returned."
 		  (gnus-agent-group-path group) "/"))
 	    (date (gnus-time-to-day (current-time)))
 	    (case-fold-search t)
-	    pos alists crosses id elem)
+	    pos crosses id elem)
 	(gnus-make-directory dir)
 	(gnus-message 7 "Fetching articles for %s..." group)
 	;; Fetch the articles from the backend.
 	(if (gnus-check-backend-function 'retrieve-articles group)
 	    (setq pos (gnus-retrieve-articles articles group))
-	  (nnheader-temp-write nil
-	    (let ((buf (current-buffer))
-		  article)
+	  (with-temp-file nil
+	    (let (article)
 	      (while (setq article (pop articles))
 		(when (gnus-request-article article group)
 		  (goto-char (point-max))
@@ -590,7 +671,7 @@ the actual number of articles toggled is returned."
 		  (insert-buffer-substring nntp-server-buffer)))
 	      (copy-to-buffer nntp-server-buffer (point-min) (point-max))
 	      (setq pos (nreverse pos)))))
-	;; Then save these articles into the agent.
+	;; Then save these articles into the Agent.
 	(save-excursion
 	  (set-buffer nntp-server-buffer)
 	  (while pos
@@ -614,7 +695,8 @@ the actual number of articles toggled is returned."
 	    (if (not (re-search-forward "^Message-ID: *<\\([^>\n]+\\)>" nil t))
 		(setq id "No-Message-ID-in-article")
 	      (setq id (buffer-substring (match-beginning 1) (match-end 1))))
-	    (let ((coding-system-for-write gnus-agent-article-file-coding-system))
+	    (let ((coding-system-for-write
+		   gnus-agent-article-file-coding-system))
 	      (write-region (point-min) (point-max)
 			    (concat dir (number-to-string (caar pos)))
 			    nil 'silent))
@@ -641,12 +723,12 @@ the actual number of articles toggled is returned."
 	      gnus-agent-group-alist))
       (setcdr alist (cons (cons (cdar crosses) t) (cdr alist)))
       (save-excursion
-	(set-buffer (get-buffer-create (format " *Gnus agent overview %s*"
+	(set-buffer (gnus-get-buffer-create (format " *Gnus agent overview %s*"
 					       group)))
 	(when (= (point-max) (point-min))
 	  (push (cons group (current-buffer)) gnus-agent-buffer-alist)
 	  (ignore-errors
-	    (insert-file-contents
+	    (nnheader-insert-file-contents
 	     (gnus-agent-article-name ".overview" group))))
 	(nnheader-find-nov-line (string-to-number (cdar crosses)))
 	(insert (string-to-number (cdar crosses)))
@@ -663,41 +745,38 @@ the actual number of articles toggled is returned."
 		     nil 'silent)
       (pop gnus-agent-buffer-alist))
     (while gnus-agent-group-alist
-      (nnheader-temp-write (caar gnus-agent-group-alist)
+      (with-temp-file (caar gnus-agent-group-alist)
 	(princ (cdar gnus-agent-group-alist))
 	(insert "\n"))
       (pop gnus-agent-group-alist))))
 
-(defun gnus-agent-fetch-headers (group articles &optional force)
-  (gnus-agent-load-alist group)
-  ;; Find out what headers we need to retrieve.
-  (when articles
-    (while (and articles
-		(assq (car articles) gnus-agent-article-alist))
-      (pop articles))
-    (let ((arts articles))
-      (while (cdr arts)
-	(if (assq (cadr arts) gnus-agent-article-alist)
-	    (setcdr arts (cddr arts))
-	  (setq arts (cdr arts)))))
-    ;; Fetch them.
-    (when articles
-      (gnus-message 7 "Fetching headers for %s..." group)
-      (save-excursion
-	(set-buffer nntp-server-buffer)
-	(unless (eq 'nov (gnus-retrieve-headers articles group))
-	  (nnvirtual-convert-headers))
-	;; Save these headers for later processing.
-	(copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
-	(let (file)
-	  (when (file-exists-p
-		 (setq file (gnus-agent-article-name ".overview" group)))
-	    (gnus-agent-braid-nov group articles file))
-	  (gnus-make-directory (nnheader-translate-file-chars
-				(file-name-directory file)))
-	  (write-region (point-min) (point-max) file nil 'silent)
-	  (gnus-agent-save-alist group articles nil))
-	t))))
+(defun gnus-agent-fetch-headers (group &optional force)
+  (when (gnus-agent-load-alist group)
+    (let ((articles (gnus-uncompress-range 
+		     (cons (1+ (caar (last (gnus-agent-load-alist group))))
+			   (cdr (gnus-active group))))))
+      ;; Fetch them.
+      (when articles
+	(gnus-message 7 "Fetching headers for %s..." group)
+	(save-excursion
+	  (set-buffer nntp-server-buffer)
+	  (unless (eq 'nov (gnus-retrieve-headers articles group))
+	    (nnvirtual-convert-headers))
+	  ;; Save these headers for later processing.
+	  (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
+	  (let (file)
+	    (when (file-exists-p
+		   (setq file (gnus-agent-article-name ".overview" group)))
+	      (gnus-agent-braid-nov group articles file))
+	    (gnus-make-directory (nnheader-translate-file-chars
+				  (file-name-directory file)))
+	    (write-region (point-min) (point-max) file nil 'silent)
+	    (gnus-agent-save-alist group articles nil)
+	    (gnus-agent-enter-history
+	     "last-header-fetched-for-session"
+	     (list (cons group (nth (- (length  articles) 1) articles)))
+	     (gnus-time-to-day (current-time)))
+	    articles))))))
 
 (defsubst gnus-agent-copy-nov-line (article)
   (let (b e)
@@ -705,47 +784,48 @@ the actual number of articles toggled is returned."
     (setq b (point))
     (if (eq article (read (current-buffer)))
 	(setq e (progn (forward-line 1) (point)))
-      (setq e b))
+      (progn
+	(beginning-of-line)
+	(setq e b)))
     (set-buffer nntp-server-buffer)
     (insert-buffer-substring gnus-agent-overview-buffer b e)))
 
 (defun gnus-agent-braid-nov (group articles file)
-  (let (beg end)
-    (set-buffer gnus-agent-overview-buffer)
-    (goto-char (point-min))
-    (set-buffer nntp-server-buffer)
-    (erase-buffer)
-    (insert-file-contents file)
-    (goto-char (point-min))
-    (if (or (= (point-min) (point-max))
-	    (progn
-	      (forward-line -1)
-	      (< (read (current-buffer)) (car articles))))
-	;; We have only headers that are after the older headers,
-	;; so we just append them.
-	(progn
-	  (goto-char (point-max))
-	  (insert-buffer-substring gnus-agent-overview-buffer))
-      ;; We do it the hard way.
-      (nnheader-find-nov-line (car articles))
-      (gnus-agent-copy-nov-line (car articles))
-      (pop articles)
-      (while (and articles
-		  (not (eobp)))
-	(while (and (not (eobp))
-		    (< (read (current-buffer)) (car articles)))
-	  (forward-line 1))
-	(beginning-of-line)
-	(unless (eobp)
-	  (gnus-agent-copy-nov-line (car articles))
-	  (setq articles (cdr articles))))
-      (when articles
-	(let (b e)
-	  (set-buffer gnus-agent-overview-buffer)
-	  (setq b (point)
-		e (point-max))
-	  (set-buffer nntp-server-buffer)
-	  (insert-buffer-substring gnus-agent-overview-buffer b e))))))
+  (set-buffer gnus-agent-overview-buffer)
+  (goto-char (point-min))
+  (set-buffer nntp-server-buffer)
+  (erase-buffer)
+  (nnheader-insert-file-contents file)
+  (goto-char (point-max))
+  (if (or (= (point-min) (point-max))
+	  (progn
+	    (forward-line -1)
+	    (< (read (current-buffer)) (car articles))))
+      ;; We have only headers that are after the older headers,
+      ;; so we just append them.
+      (progn
+	(goto-char (point-max))
+	(insert-buffer-substring gnus-agent-overview-buffer))
+    ;; We do it the hard way.
+    (nnheader-find-nov-line (car articles))
+    (gnus-agent-copy-nov-line (car articles))
+    (pop articles)
+    (while (and articles
+		(not (eobp)))
+      (while (and (not (eobp))
+		  (< (read (current-buffer)) (car articles)))
+	(forward-line 1))
+      (beginning-of-line)
+      (unless (eobp)
+	(gnus-agent-copy-nov-line (car articles))
+	(setq articles (cdr articles))))
+    (when articles
+      (let (b e)
+	(set-buffer gnus-agent-overview-buffer)
+	(setq b (point)
+	      e (point-max))
+	(set-buffer nntp-server-buffer)
+	(insert-buffer-substring gnus-agent-overview-buffer b e)))))
 
 (defun gnus-agent-load-alist (group &optional dir)
   "Load the article-state alist for GROUP."
@@ -756,10 +836,10 @@ the actual number of articles toggled is returned."
 	   (gnus-agent-article-name ".agentview" group)))))
 
 (defun gnus-agent-save-alist (group &optional articles state dir)
-  "Load the article-state alist for GROUP."
-  (nnheader-temp-write (if dir
-			   (concat dir ".agentview")
-			 (gnus-agent-article-name ".agentview" group))
+  "Save the article-state alist for GROUP."
+  (with-temp-file (if dir
+		      (concat dir ".agentview")
+		    (gnus-agent-article-name ".agentview" group))
     (princ (setq gnus-agent-article-alist
 		 (nconc gnus-agent-article-alist
 			(mapcar (lambda (article) (cons article state))
@@ -790,11 +870,15 @@ the actual number of articles toggled is returned."
 	groups group gnus-command-method)
     (save-excursion
       (while methods
-	(setq gnus-command-method (car methods)
-	      groups (gnus-groups-from-server (pop methods)))
-	(gnus-agent-with-fetch
-	  (while (setq group (pop groups))
-	    (gnus-agent-fetch-group-1 group gnus-command-method))))
+	(setq gnus-command-method (car methods))
+	(when (or (gnus-server-opened gnus-command-method)
+		  (gnus-open-server gnus-command-method))
+	  (setq groups (gnus-groups-from-server (car methods)))
+	  (gnus-agent-with-fetch
+	    (while (setq group (pop groups))
+	      (when (<= (gnus-group-level group) gnus-agent-handle-level)
+		(gnus-agent-fetch-group-1 group gnus-command-method)))))
+	(pop methods))
       (gnus-message 6 "Finished fetching articles into the Gnus agent"))))
 
 (defun gnus-agent-fetch-group-1 (group method)
@@ -802,11 +886,11 @@ the actual number of articles toggled is returned."
   (let ((gnus-command-method method)
 	gnus-newsgroup-dependencies gnus-newsgroup-headers
 	gnus-newsgroup-scored gnus-headers gnus-score
-	gnus-use-cache articles score arts
+	gnus-use-cache articles arts
 	category predicate info marks score-param)
     ;; Fetch headers.
-    (when (and (setq articles (gnus-list-of-unread-articles group))
-	       (gnus-agent-fetch-headers group articles))
+    (when (and (or (gnus-active group) (gnus-activate-group group))
+	       (setq articles (gnus-agent-fetch-headers group)))
       ;; Parse them and see which articles we want to fetch.
       (setq gnus-newsgroup-dependencies
 	    (make-vector (length articles) 0))
@@ -874,8 +958,8 @@ the actual number of articles toggled is returned."
 (defvar gnus-category-buffer "*Agent Category*")
 
 (defvar gnus-category-line-format-alist
-  `((?c name ?s)
-    (?g groups ?d)))
+  `((?c gnus-tmp-name ?s)
+    (?g gnus-tmp-groups ?d)))
 
 (defvar gnus-category-mode-line-format-alist
   `((?u user-defined ?s)))
@@ -920,7 +1004,7 @@ the actual number of articles toggled is returned."
        ["Edit groups" gnus-category-edit-groups t]
        ["Exit" gnus-category-exit t]))
 
-    (run-hooks 'gnus-category-menu-hook)))
+    (gnus-run-hooks 'gnus-category-menu-hook)))
 
 (defun gnus-category-mode ()
   "Major mode for listing and editing agent categories.
@@ -946,20 +1030,20 @@ The following commands are available:
   (buffer-disable-undo (current-buffer))
   (setq truncate-lines t)
   (setq buffer-read-only t)
-  (run-hooks 'gnus-category-mode-hook))
+  (gnus-run-hooks 'gnus-category-mode-hook))
 
 (defalias 'gnus-category-position-point 'gnus-goto-colon)
 
 (defun gnus-category-insert-line (category)
-  (let* ((name (car category))
-	 (groups (length (cadddr category))))
+  (let* ((gnus-tmp-name (car category))
+	 (gnus-tmp-groups (length (cadddr category))))
     (beginning-of-line)
     (gnus-add-text-properties
      (point)
      (prog1 (1+ (point))
        ;; Insert the text.
        (eval gnus-category-line-format-spec))
-     (list 'gnus-category name))))
+     (list 'gnus-category gnus-tmp-name))))
 
 (defun gnus-enter-category-buffer ()
   "Go to the Category buffer."
@@ -971,8 +1055,7 @@ The following commands are available:
 (defun gnus-category-setup-buffer ()
   (unless (get-buffer gnus-category-buffer)
     (save-excursion
-      (set-buffer (get-buffer-create gnus-category-buffer))
-      (gnus-add-current-to-buffer-list)
+      (set-buffer (gnus-get-buffer-create gnus-category-buffer))
       (gnus-category-mode))))
 
 (defun gnus-category-prepare ()
@@ -995,13 +1078,13 @@ The following commands are available:
   (setq gnus-category-alist
 	(or (gnus-agent-read-file
 	     (nnheader-concat gnus-agent-directory "lib/categories"))
-	    (list (list 'default 'true nil nil)))))
+	    (list (list 'default 'short nil nil)))))
     
 (defun gnus-category-write ()
   "Write the category alist."
   (setq gnus-category-predicate-cache nil
 	gnus-category-group-cache nil)
-  (nnheader-temp-write (nnheader-concat gnus-agent-directory "lib/categories")
+  (with-temp-file (nnheader-concat gnus-agent-directory "lib/categories")
     (prin1 gnus-category-alist (current-buffer))))
 
 (defun gnus-category-edit-predicate (category)
@@ -1116,7 +1199,7 @@ The following commands are available:
 
 (defun gnus-agent-high-scored-p ()
   "Say whether an article has a high score or not."
-  (> gnus-score gnus-agent-low-score))
+  (> gnus-score gnus-agent-high-score))
 
 (defun gnus-category-make-function (cat)
   "Make a function from category CAT."
@@ -1175,88 +1258,137 @@ The following commands are available:
   "Expire all old articles."
   (interactive)
   (let ((methods gnus-agent-covered-methods)
-	(alist (cdr gnus-newsrc-alist))
-	gnus-command-method ofiles info method file group)
-    (while (setq gnus-command-method (pop methods))
-      (setq ofiles (nconc ofiles (gnus-agent-expire-directory
-				  (gnus-agent-directory)))))
-    (while (setq info (pop alist))
-      (when (and (gnus-agent-method-p
-		  (setq gnus-command-method
-			(gnus-find-method-for-group
-			 (setq group (gnus-info-group info)))))
-		 (member
-		  (setq file
-			(concat
-			 (gnus-agent-directory)
-			 (gnus-agent-group-path group) "/.overview"))
-		  ofiles))
-	(setq ofiles (delete file ofiles))
-	(gnus-agent-expire-group file group)))
-    (while ofiles
-      (gnus-agent-expire-group (pop ofiles)))))
-
-(defun gnus-agent-expire-directory (dir)
-  "Expire all groups in DIR recursively."
-  (when (file-directory-p dir)
-    (let ((files (directory-files dir t))
-	  file ofiles)
-      (while (setq file (pop files))
-	(cond
-	 ((member (file-name-nondirectory file) '("." ".."))
-	  ;; Do nothing.
-	  )
-	 ((file-directory-p file)
-	  ;; Recurse.
-	  (setq ofiles (nconc ofiles (gnus-agent-expire-directory file))))
-	 ((string-match "\\.overview$" file)
-	  ;; Expire group.
-	  (push file ofiles))))
-      ofiles)))
-
-(defun gnus-agent-expire-group (overview &optional group)
-  "Expire articles in OVERVIEW."
-  (gnus-message 5 "Expiring %s..." overview)
-  (let ((odate (- (gnus-time-to-day (current-time)) 4))
-	(dir (file-name-directory overview))
-	(info (when group (gnus-get-info group)))
-	headers article file point unreads)
-    (gnus-agent-load-alist nil dir)
-    (when info
-      (setq unreads
-	    (nconc
-	     (gnus-list-of-unread-articles group)
-	     (gnus-uncompress-range
-	      (cdr (assq 'tick (gnus-info-marks info))))
-	     (gnus-uncompress-range
-	      (cdr (assq 'dormant (gnus-info-marks info)))))))
-    (nnheader-temp-write overview
-      (insert-file-contents overview)
-      (goto-char (point-min))
-      (while (not (eobp))
-	(setq point (point))
-	(condition-case ()
-	    (setq headers (inline (nnheader-parse-nov)))
-	  (error
-	   (goto-char point)
-	   (gnus-delete-line)
-	   (setq headers nil)))
-	(when headers
-	  (unless (memq (setq article (mail-header-number headers)) unreads)
-	    (if (not (< (inline
-			  (gnus-time-to-day
-			   (inline (nnmail-date-to-time
-				    (mail-header-date headers)))))
-			odate))
-		(forward-line 1)	      
-	      (gnus-delete-line)
-	      (setq gnus-agent-article-alist
-		    (delq (assq article gnus-agent-article-alist)
-			  gnus-agent-article-alist))
-	      (when (file-exists-p
-		     (setq file (concat dir (number-to-string article))))
-		(delete-file file))))))
-      (gnus-agent-save-alist nil nil nil dir))))
+	(day (- (gnus-time-to-day (current-time)) gnus-agent-expire-days))
+	gnus-command-method sym group articles
+	history overview file histories elem art nov-file low info
+	unreads marked article)
+    (save-excursion
+      (setq overview (gnus-get-buffer-create " *expire overview*"))
+      (while (setq gnus-command-method (pop methods))
+	(let ((expiry-hashtb (gnus-make-hashtable 1023)))
+	(gnus-agent-open-history)
+	(set-buffer
+	 (setq gnus-agent-current-history
+	       (setq history (gnus-agent-history-buffer))))
+	(goto-char (point-min))
+	(when (> (buffer-size) 1)
+	  (goto-char (point-min))
+	  (while (not (eobp))
+	    (skip-chars-forward "^\t")
+	    (if (> (read (current-buffer)) day)
+		;; New article; we don't expire it.
+		(forward-line 1)
+	      ;; Old article.  Schedule it for possible nuking.
+	      (while (not (eolp))
+		(setq sym (let ((obarray expiry-hashtb))
+			    (read (current-buffer))))
+		(if (boundp sym)
+		    (set sym (cons (cons (read (current-buffer)) (point))
+				   (symbol-value sym)))
+		  (set sym (list (cons (read (current-buffer)) (point)))))
+		(skip-chars-forward " "))
+	      (forward-line 1)))
+	  ;; We now have all articles that can possibly be expired.
+	  (mapatoms
+	   (lambda (sym)
+	     (setq group (symbol-name sym)
+		   articles (sort (symbol-value sym) 'car-less-than-car)
+		   low (car (gnus-active group))
+		   info (gnus-get-info group)
+		   unreads (ignore-errors (gnus-list-of-unread-articles group))
+		   marked (nconc (gnus-uncompress-range
+				  (cdr (assq 'tick (gnus-info-marks info))))
+				 (gnus-uncompress-range
+				  (cdr (assq 'dormant
+					     (gnus-info-marks info)))))
+		   nov-file (gnus-agent-article-name ".overview" group))
+	     (gnus-agent-load-alist group)
+	     (gnus-message 5 "Expiring articles in %s" group)
+	     (set-buffer overview)
+	     (erase-buffer)
+	     (when (file-exists-p nov-file)
+	       (nnheader-insert-file-contents nov-file))
+	     (goto-char (point-min))
+	     (setq article 0)
+	     (while (setq elem (pop articles))
+	       (setq article (car elem))
+	       (when (or (null low)
+			 (< article low)
+			 gnus-agent-expire-all
+			 (and (not (memq article unreads))
+			      (not (memq article marked))))
+		 ;; Find and nuke the NOV line.
+		 (while (and (not (eobp))
+			     (or (not (numberp
+				       (setq art (read (current-buffer)))))
+				 (< art article)))
+		   (if (file-exists-p
+			(gnus-agent-article-name
+			 (number-to-string art) group))
+		       (forward-line 1)
+		     ;; Remove old NOV lines that have no articles.
+		     (gnus-delete-line)))
+		 (if (or (eobp)
+			 (/= art article))
+		     (beginning-of-line)
+		   (gnus-delete-line))
+		 ;; Nuke the article.
+		 (when (file-exists-p (setq file (gnus-agent-article-name
+						  (number-to-string article)
+						  group)))
+		   (delete-file file))
+		 ;; Schedule the history line for nuking.
+		 (push (cdr elem) histories)))
+	     (gnus-make-directory (file-name-directory nov-file))
+	     (write-region (point-min) (point-max) nov-file nil 'silent)
+	     ;; Delete the unwanted entries in the alist.
+	     (setq gnus-agent-article-alist
+		   (sort gnus-agent-article-alist 'car-less-than-car))
+	     (let* ((alist gnus-agent-article-alist)
+		    (prev (cons nil alist))
+		    (first prev))
+	       (while (and alist
+			   (<= (caar alist) article))
+		 (if (or (not (cdar alist))
+			 (not (file-exists-p
+			       (gnus-agent-article-name
+				(number-to-string
+				 (caar alist))
+				group))))
+		     (setcdr prev (setq alist (cdr alist)))
+		   (setq prev alist
+			 alist (cdr alist))))
+	       (setq gnus-agent-article-alist (cdr first))
+	       ;;; Mark all articles up to the first article
+	       ;;; in `gnus-article-alist' as read.
+	       (when (caar gnus-agent-article-alist)
+		 (setcar (nthcdr 2 info)
+			 (gnus-range-add
+			  (nth 2 info)
+			  (cons 1 (- (caar gnus-agent-article-alist) 1)))))
+	       (gnus-dribble-enter
+		(concat "(gnus-group-set-info '"
+			(gnus-prin1-to-string info)
+			")"))
+	       (gnus-agent-save-alist group)))
+	   expiry-hashtb)
+	  (set-buffer history)
+	  (setq histories (nreverse (sort histories '<)))
+	  (while histories
+	    (goto-char (pop histories))
+	    (gnus-delete-line))
+	  (gnus-agent-save-history)
+	  (gnus-agent-close-history))
+	(gnus-message 4 "Expiry...done"))))))
+
+;;;###autoload
+(defun gnus-agent-batch ()
+  (interactive)
+  (let ((init-file-user "")
+	(gnus-always-read-dribble-file t))
+    (gnus))
+  (gnus-group-send-drafts)
+  (gnus-agent-fetch-session))
 
 (provide 'gnus-agent)