;;; gnus-agent.el --- unplugged support for Gnus
-;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
-;; Free Software Foundation, Inc.
+
+;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+;; 2006, 2007, 2008, 2009, 2010 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
+;; 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.
+;; the Free Software Foundation, either version 3 of the License, 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
+;; 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.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
(require 'timer))
(require 'cl))
-(eval-and-compile
- (autoload 'gnus-server-update-server "gnus-srvr")
- (autoload 'gnus-agent-customize-category "gnus-cus")
-)
+(autoload 'gnus-server-update-server "gnus-srvr")
+(autoload 'gnus-agent-customize-category "gnus-cus")
(defcustom gnus-agent-directory (nnheader-concat gnus-directory "agent/")
"Where the Gnus agent will store its files."
(defcustom gnus-agent-fetched-hook nil
"Hook run when finished fetching articles."
+ :version "22.1"
:group 'gnus-agent
:type 'hook)
:group 'gnus-agent
:type 'function)
-(defcustom gnus-agent-synchronize-flags 'ask
+(defcustom gnus-agent-synchronize-flags nil
"Indicate if flags are synchronized when you plug in.
If this is `ask' the hook will query the user."
+ ;; If the default switches to something else than nil, then the function
+ ;; should be fixed not be exceedingly slow. See 2005-09-20 ChangeLog entry.
:version "21.1"
:type '(choice (const :tag "Always" t)
(const :tag "Never" nil)
(defcustom gnus-agent-go-online 'ask
"Indicate if offline servers go online when you plug in.
If this is `ask' the hook will query the user."
- :version "21.1"
+ :version "21.3"
:type '(choice (const :tag "Always" t)
(const :tag "Never" nil)
(const :tag "Ask" ask))
groups with large active ranges may open slower and you may also want
to look into the agent expiry settings to block the expiration of
read articles as they would just be downloaded again."
- :version "21.4"
+ :version "22.1"
:type 'boolean
:group 'gnus-agent)
"Chunk size for `gnus-agent-fetch-session'.
The function will split its article fetches into chunks smaller than
this limit."
+ :version "22.1"
:group 'gnus-agent
:type 'integer)
to disable expiration in specific categories, topics, and groups. Of
course, you could change gnus-agent-enable-expiration to DISABLE then
enable expiration per categories, topics, and groups."
+ :version "22.1"
:group 'gnus-agent
:type '(radio (const :format "Enable " ENABLE)
(const :format "Disable " DISABLE)))
Have gnus-agent-expire scan the directories under
\(gnus-agent-directory) for groups that are no longer agentized.
When found, offer to remove them."
+ :version "22.1"
:type 'boolean
:group 'gnus-agent)
-(defcustom gnus-agent-auto-agentize-methods '(nntp nnimap)
+(defcustom gnus-agent-auto-agentize-methods nil
"Initially, all servers from these methods are agentized.
The user may remove or add servers using the Server buffer.
See Info node `(gnus)Server Buffer'."
+ :version "22.1"
:type '(repeat symbol)
:group 'gnus-agent)
"Whether and when outgoing mail should be queued by the agent.
When `always', always queue outgoing mail. When nil, never
queue. Otherwise, queue if and only if unplugged."
+ :version "22.1"
:group 'gnus-agent
:type '(radio (const :format "Always" always)
(const :format "Never" nil)
- (const :format "When plugged" t)))
+ (const :format "When unplugged" t)))
(defcustom gnus-agent-prompt-send-queue nil
"If non-nil, `gnus-group-send-queue' will prompt if called when
unplugged."
+ :version "22.1"
:group 'gnus-agent
:type 'boolean)
+(defcustom gnus-agent-article-alist-save-format 1
+ "Indicates whether to use compression(2), versus no
+compression(1), when writing agentview files. The compressed
+files do save space but load times are 6-7 times higher. A group
+must be opened then closed for the agentview to be updated using
+the new format."
+ ;; Wouldn't symbols instead numbers be nicer? --rsteib
+ :version "22.1"
+ :group 'gnus-agent
+ :type '(radio (const :format "Compressed" 2)
+ (const :format "Uncompressed" 1)))
+
;;; Internal variables
(defvar gnus-agent-history-buffers nil)
(defvar gnus-agent-buffer-alist nil)
(defvar gnus-agent-article-alist nil
- "An assoc list identifying the articles whose headers have been fetched.
+ "An assoc list identifying the articles whose headers have been fetched.
If successfully fetched, these headers will be stored in the group's overview
file. The key of each assoc pair is the article ID, the value of each assoc
pair is a flag indicating whether the identified article has been downloaded
\(gnus-agent-fetch-articles sets the value to the day of the download).
NOTES:
-1) The last element of this list can not be expired as some
+1) The last element of this list can not be expired as some
routines (for example, get-agent-fetch-headers) use the last
value to track which articles have had their headers retrieved.
2) The function `gnus-agent-regenerate' may destructively modify the value.")
(defvar gnus-agent-send-mail-function nil)
(defvar gnus-agent-file-coding-system 'raw-text)
(defvar gnus-agent-file-loading-cache nil)
+(defvar gnus-agent-total-fetched-hashtb nil)
+(defvar gnus-agent-inhibit-update-total-fetched-for nil)
+(defvar gnus-agent-need-update-total-fetched-for nil)
;; Dynamic variables
(defvar gnus-headers)
(defvar gnus-score)
+;; Added to support XEmacs
+(eval-and-compile
+ (unless (fboundp 'directory-files-and-attributes)
+ (defun directory-files-and-attributes (directory
+ &optional full match nosort)
+ (let (result)
+ (dolist (file (directory-files directory full match nosort))
+ (push (cons file (file-attributes file)) result))
+ (nreverse result)))))
+
;;;
;;; Setup
;;;
;;; Utility functions
;;;
+(defmacro gnus-agent-with-refreshed-group (group &rest body)
+ "Performs the body then updates the group's line in the group
+buffer. Automatically blocks multiple updates due to recursion."
+`(prog1 (let ((gnus-agent-inhibit-update-total-fetched-for t)) ,@body)
+ (when (and gnus-agent-need-update-total-fetched-for
+ (not gnus-agent-inhibit-update-total-fetched-for))
+ (with-current-buffer gnus-group-buffer
+ (setq gnus-agent-need-update-total-fetched-for nil)
+ (gnus-group-update-group ,group t)))))
+
(defun gnus-agent-read-file (file)
"Load FILE and do a `read' there."
(with-temp-buffer
(let* ((--category--temp-- (make-symbol "--category--"))
(--value--temp-- (make-symbol "--value--")))
(list (list --category--temp--) ; temporary-variables
- (list category) ; value-forms
- (list --value--temp--) ; store-variables
+ (list category) ; value-forms
+ (list --value--temp--) ; store-variables
(let* ((category --category--temp--) ; store-form
(value --value--temp--))
(list (quote gnus-agent-cat-set-property)
(gnus-agent-cat-defaccessor
gnus-agent-cat-high-score agent-high-score)
(gnus-agent-cat-defaccessor
- gnus-agent-cat-length-when-long agent-length-when-long)
+ gnus-agent-cat-length-when-long agent-long-article)
(gnus-agent-cat-defaccessor
- gnus-agent-cat-length-when-short agent-length-when-short)
+ gnus-agent-cat-length-when-short agent-short-article)
(gnus-agent-cat-defaccessor
gnus-agent-cat-low-score agent-low-score)
(gnus-agent-cat-defaccessor
gnus-agent-cat-predicate agent-predicate)
(gnus-agent-cat-defaccessor
- gnus-agent-cat-score-file agent-score-file)
+ gnus-agent-cat-score-file agent-score)
(gnus-agent-cat-defaccessor
- gnus-agent-cat-enable-undownloaded-faces agent-enable-undownloaded-faces)
+ gnus-agent-cat-enable-undownloaded-faces agent-enable-undownloaded-faces)
+
+
+;; This form is equivalent to defsetf except that it calls make-symbol
+;; whereas defsetf calls gensym (Using gensym creates a run-time
+;; dependency on the CL library).
(eval-and-compile
- (defsetf gnus-agent-cat-groups (category) (groups)
- (list 'gnus-agent-set-cat-groups category groups)))
+ (define-setf-method gnus-agent-cat-groups (category)
+ (let* ((--category--temp-- (make-symbol "--category--"))
+ (--groups--temp-- (make-symbol "--groups--")))
+ (list (list --category--temp--)
+ (list category)
+ (list --groups--temp--)
+ (let* ((category --category--temp--)
+ (groups --groups--temp--))
+ (list (quote gnus-agent-set-cat-groups) category groups))
+ (list (quote gnus-agent-cat-groups) --category--temp--))))
+ )
(defun gnus-agent-set-cat-groups (category groups)
(unless (eq groups 'ignore)
(defsubst gnus-agent-cat-make (name &optional default-agent-predicate)
(list name `(agent-predicate . ,(or default-agent-predicate 'false))))
+(defun gnus-agent-read-group ()
+ "Read a group name in the minibuffer, with completion."
+ (let ((def (or (gnus-group-group-name) gnus-newsgroup-name)))
+ (when def
+ (setq def (gnus-group-decoded-name def)))
+ (gnus-group-completing-read nil nil t nil nil def)))
+
;;; Fetching setup functions.
(defun gnus-agent-start-fetch ()
(defun gnus-agent-stop-fetch ()
"Save all data structures and clean up."
(setq gnus-agent-spam-hashtb nil)
- (save-excursion
- (set-buffer nntp-server-buffer)
+ (with-current-buffer nntp-server-buffer
(widen)))
(defmacro gnus-agent-with-fetch (&rest forms)
(if (and (fboundp 'propertize)
(fboundp 'make-mode-line-mouse-map))
(propertize string 'local-map
- (make-mode-line-mouse-map mouse-button mouse-func))
+ (make-mode-line-mouse-map mouse-button mouse-func)
+ 'mouse-face
+ (if (and (featurep 'xemacs)
+ ;; XEmacs' `facep' only checks for a face
+ ;; object, not for a face name, so it's useless
+ ;; to check with `facep'.
+ (find-face 'modeline))
+ 'modeline
+ 'mode-line-highlight))
string))
(defun gnus-agent-toggle-plugged (set-to)
(gnus-agent-make-mode-line-string " Plugged"
'mouse-2
'gnus-agent-toggle-plugged))
- (gnus-agent-go-online gnus-agent-go-online)
- (gnus-agent-possibly-synchronize-flags))
+ (gnus-agent-go-online gnus-agent-go-online))
(t
(gnus-agent-close-connections)
(setq gnus-plugged set-to)
(unless gnus-agent-send-mail-function
(setq gnus-agent-send-mail-function
(or message-send-mail-real-function
- message-send-mail-function)
+ (function (lambda () (funcall message-send-mail-function))))
message-send-mail-real-function 'gnus-agent-send-mail))
;; If the servers file doesn't exist, auto-agentize some servers and
"Restore GCC field from saved header."
(save-excursion
(goto-char (point-min))
- (while (re-search-forward (concat gnus-agent-gcc-header ":") nil t)
+ (while (re-search-forward
+ (concat "^" (regexp-quote gnus-agent-gcc-header) ":") nil t)
(replace-match "Gcc:" 'fixedcase))))
(defun gnus-agent-any-covered-gcc ()
(interactive
(list
(intern
- (completing-read
- "Add to category: "
- (mapcar (lambda (cat) (list (symbol-name (car cat))))
+ (gnus-completing-read
+ "Add to category"
+ (mapcar (lambda (cat) (symbol-name (car cat)))
gnus-category-alist)
- nil t))
+ t))
current-prefix-arg))
(let ((cat (assq category gnus-category-alist))
c groups)
(interactive)
(save-excursion
(dolist (gnus-command-method (gnus-agent-covered-methods))
- (when (file-exists-p (gnus-agent-lib-file "flags"))
+ (when (eq (gnus-server-status gnus-command-method) 'ok)
(gnus-agent-possibly-synchronize-flags-server gnus-command-method)))))
(defun gnus-agent-synchronize-flags-server (method)
"Synchronize flags set when unplugged for server."
- (let ((gnus-command-method method))
+ (let ((gnus-command-method method)
+ (gnus-agent nil))
(when (file-exists-p (gnus-agent-lib-file "flags"))
(set-buffer (get-buffer-create " *Gnus Agent flag synchronize*"))
(erase-buffer)
(nnheader-insert-file-contents (gnus-agent-lib-file "flags"))
- (if (null (gnus-check-server gnus-command-method))
- (gnus-message 1 "Couldn't open server %s" (nth 1 gnus-command-method))
- (while (not (eobp))
- (if (null (eval (read (current-buffer))))
- (gnus-delete-line)
- (write-file (gnus-agent-lib-file "flags"))
- (error "Couldn't set flags from file %s"
- (gnus-agent-lib-file "flags"))))
- (delete-file (gnus-agent-lib-file "flags")))
+ (cond ((null gnus-plugged)
+ (gnus-message
+ 1 "You must be plugged to synchronize flags with server %s"
+ (nth 1 gnus-command-method)))
+ ((null (gnus-check-server gnus-command-method))
+ (gnus-message
+ 1 "Couldn't open server %s" (nth 1 gnus-command-method)))
+ (t
+ (condition-case err
+ (while t
+ (let ((bgn (point)))
+ (eval (read (current-buffer)))
+ (delete-region bgn (point))))
+ (end-of-file
+ (delete-file (gnus-agent-lib-file "flags")))
+ (error
+ (let ((file (gnus-agent-lib-file "flags")))
+ (write-region (point-min) (point-max)
+ (gnus-agent-lib-file "flags") nil 'silent)
+ (error "Couldn't set flags from file %s due to %s"
+ file (error-message-string err)))))))
(kill-buffer nil))))
(defun gnus-agent-possibly-synchronize-flags-server (method)
"Synchronize flags for server according to `gnus-agent-synchronize-flags'."
- (when (or (and gnus-agent-synchronize-flags
- (not (eq gnus-agent-synchronize-flags 'ask)))
- (and (eq gnus-agent-synchronize-flags 'ask)
- (gnus-y-or-n-p (format "Synchronize flags on server `%s'? "
- (cadr method)))))
+ (when (and (file-exists-p (gnus-agent-lib-file "flags"))
+ (or (and gnus-agent-synchronize-flags
+ (not (eq gnus-agent-synchronize-flags 'ask)))
+ (and (eq gnus-agent-synchronize-flags 'ask)
+ (gnus-y-or-n-p
+ (format "Synchronize flags on server `%s'? "
+ (cadr method))))))
(gnus-agent-synchronize-flags-server method)))
+;;;###autoload
+(defun gnus-agent-rename-group (old-group new-group)
+ "Rename fully-qualified OLD-GROUP as NEW-GROUP.
+Always updates the agent, even when disabled, as the old agent
+files would corrupt gnus when the agent was next enabled.
+Depends upon the caller to determine whether group renaming is
+supported."
+ (let* ((old-command-method (gnus-find-method-for-group old-group))
+ (old-path (directory-file-name
+ (let (gnus-command-method old-command-method)
+ (gnus-agent-group-pathname old-group))))
+ (new-command-method (gnus-find-method-for-group new-group))
+ (new-path (directory-file-name
+ (let (gnus-command-method new-command-method)
+ (gnus-agent-group-pathname new-group))))
+ (file-name-coding-system nnmail-pathname-coding-system))
+ (gnus-rename-file old-path new-path t)
+
+ (let* ((old-real-group (gnus-group-real-name old-group))
+ (new-real-group (gnus-group-real-name new-group))
+ (old-active (gnus-agent-get-group-info old-command-method old-real-group)))
+ (gnus-agent-save-group-info old-command-method old-real-group nil)
+ (gnus-agent-save-group-info new-command-method new-real-group old-active)
+
+ (let ((old-local (gnus-agent-get-local old-group
+ old-real-group old-command-method)))
+ (gnus-agent-set-local old-group
+ nil nil
+ old-real-group old-command-method)
+ (gnus-agent-set-local new-group
+ (car old-local) (cdr old-local)
+ new-real-group new-command-method)))))
+
+;;;###autoload
+(defun gnus-agent-delete-group (group)
+ "Delete fully-qualified GROUP.
+Always updates the agent, even when disabled, as the old agent
+files would corrupt gnus when the agent was next enabled.
+Depends upon the caller to determine whether group deletion is
+supported."
+ (let* ((command-method (gnus-find-method-for-group group))
+ (path (directory-file-name
+ (let (gnus-command-method command-method)
+ (gnus-agent-group-pathname group))))
+ (file-name-coding-system nnmail-pathname-coding-system))
+ (gnus-delete-directory path)
+
+ (let* ((real-group (gnus-group-real-name group)))
+ (gnus-agent-save-group-info command-method real-group nil)
+
+ (let ((local (gnus-agent-get-local group
+ real-group command-method)))
+ (gnus-agent-set-local group
+ nil nil
+ real-group command-method)))))
+
;;;
;;; Server mode commands
;;;
(unless (member named-server gnus-agent-covered-methods)
(error "Server not in the agent program"))
- (setq gnus-agent-covered-methods
+ (setq gnus-agent-covered-methods
(delete named-server gnus-agent-covered-methods)
gnus-agent-method-p-cache nil)
(defun gnus-agent-read-servers ()
"Read the alist of covered servers."
- (setq gnus-agent-covered-methods
+ (setq gnus-agent-covered-methods
(gnus-agent-read-file
(nnheader-concat gnus-agent-directory "lib/servers"))
gnus-agent-method-p-cache nil)
(unless (member server gnus-agent-covered-methods)
(push server gnus-agent-covered-methods)
(setq gnus-agent-method-p-cache nil))
- (gnus-message 1 "Ignoring disappeared server `%s'" server))))
+ (gnus-message 8 "Ignoring disappeared server `%s'" server))))
(prog1 gnus-agent-covered-methods
(setq gnus-agent-covered-methods nil))))
gnus-downloadable-mark)
'unread))))
+;;;###autoload
(defun gnus-agent-get-undownloaded-list ()
"Construct list of articles that have not been downloaded."
(let ((gnus-command-method (gnus-find-method-for-group gnus-newsgroup-name)))
;; imply that this article isn't in the agent.
(gnus-agent-append-to-list tail-undownloaded h)
(gnus-agent-append-to-list tail-unfetched h)
- (setq headers (cdr headers)))
+ (setq headers (cdr headers)))
((cdar alist)
(setq alist (cdr alist))
(setq headers (cdr headers))
(t
(setq alist (cdr alist))
(setq headers (cdr headers))
-
+
;; This article isn't in the agent. Check to see
;; if it is in the cache. If it is, it's been
;; downloaded.
(when gnus-newsgroup-processable
(setq gnus-newsgroup-downloadable
(let* ((dl gnus-newsgroup-downloadable)
- (gnus-newsgroup-downloadable
- (sort (gnus-copy-sequence gnus-newsgroup-processable) '<))
- (fetched-articles (gnus-agent-summary-fetch-group)))
- ;; The preceeding call to (gnus-agent-summary-fetch-group)
- ;; updated gnus-newsgroup-downloadable to remove each
- ;; article successfully fetched.
+ (processable (sort (gnus-copy-sequence gnus-newsgroup-processable) '<))
+ (gnus-newsgroup-downloadable processable))
+ (gnus-agent-summary-fetch-group)
- ;; For each article that I processed, remove its
- ;; processable mark IF the article is no longer
- ;; downloadable (i.e. it's already downloaded)
- (dolist (article gnus-newsgroup-processable)
- (unless (memq article gnus-newsgroup-downloadable)
- (gnus-summary-remove-process-mark article)))
- (gnus-sorted-ndifference dl fetched-articles)))))
+ ;; For each article that I processed that is no longer
+ ;; undownloaded, remove its processable mark.
+
+ (mapc #'gnus-summary-remove-process-mark
+ (gnus-sorted-ndifference gnus-newsgroup-processable gnus-newsgroup-undownloaded))
+
+ ;; The preceeding call to (gnus-agent-summary-fetch-group)
+ ;; updated the temporary gnus-newsgroup-downloadable to
+ ;; remove each article successfully fetched. Now, I
+ ;; update the real gnus-newsgroup-downloadable to only
+ ;; include undownloaded articles.
+ (gnus-sorted-ndifference dl (gnus-sorted-ndifference processable gnus-newsgroup-undownloaded))))))
(defun gnus-agent-summary-fetch-group (&optional all)
"Fetch the downloadable articles in the group.
gnus-newsgroup-name articles)))))
(save-excursion
(dolist (article articles)
- (let ((was-marked-downloadable
+ (let ((was-marked-downloadable
(memq article gnus-newsgroup-downloadable)))
(cond (gnus-agent-mark-unread-after-downloaded
(setq gnus-newsgroup-downloadable
;;; Internal functions
;;;
+(defun gnus-agent-synchronize-group-flags (group actions server)
+"Update a plugged group by performing the indicated actions."
+ (let* ((gnus-command-method (gnus-server-to-method server))
+ (info
+ ;; This initializer is required as gnus-request-set-mark
+ ;; calls gnus-group-real-name to strip off the host name
+ ;; before calling the backend. Now that the backend is
+ ;; trying to call gnus-request-set-mark, I have to
+ ;; reconstruct the original group name.
+ (or (gnus-get-info group)
+ (gnus-get-info
+ (setq group (gnus-group-full-name
+ group gnus-command-method))))))
+ (gnus-request-set-mark group actions)
+
+ (when info
+ (dolist (action actions)
+ (let ((range (nth 0 action))
+ (what (nth 1 action))
+ (marks (nth 2 action)))
+ (dolist (mark marks)
+ (cond ((eq mark 'read)
+ (gnus-info-set-read
+ info
+ (funcall (if (eq what 'add)
+ 'gnus-range-add
+ 'gnus-remove-from-range)
+ (gnus-info-read info)
+ range))
+ (gnus-get-unread-articles-in-group
+ info
+ (gnus-active (gnus-info-group info))))
+ ((memq mark '(tick))
+ (let ((info-marks (assoc mark (gnus-info-marks info))))
+ (unless info-marks
+ (gnus-info-set-marks info (cons (setq info-marks (list mark)) (gnus-info-marks info))))
+ (setcdr info-marks (funcall (if (eq what 'add)
+ 'gnus-range-add
+ 'gnus-remove-from-range)
+ (cdr info-marks)
+ range))))))))
+
+ ;;Marks can be synchronized at any time by simply toggling from
+ ;;unplugged to plugged. If that is what is happening right now, make
+ ;;sure that the group buffer is up to date.
+ (when (gnus-buffer-live-p gnus-group-buffer)
+ (gnus-group-update-group group t)))
+ nil))
+
(defun gnus-agent-save-active (method)
(when (gnus-agent-method-p method)
(let* ((gnus-command-method method)
(gnus-active-to-gnus-format nil new)
(gnus-agent-write-active file new)
(erase-buffer)
- (nnheader-insert-file-contents file))))
+ (let ((nnheader-file-coding-system gnus-agent-file-coding-system))
+ (nnheader-insert-file-contents file)))))
(defun gnus-agent-write-active (file new)
(gnus-make-directory (file-name-directory file))
;; will add it while reading the file.
(gnus-write-active-file file new nil)))
+;;;###autoload
(defun gnus-agent-possibly-alter-active (group active &optional info)
"Possibly expand a group's active range to include articles
downloaded into the agent."
;; file.
(let ((read (gnus-info-read info)))
- (gnus-info-set-read
- info
- (gnus-range-add
- read
- (list (cons (1+ agent-max)
+ (gnus-info-set-read
+ info
+ (gnus-range-add
+ read
+ (list (cons (1+ agent-max)
(1- active-min))))))
;; Lie about the agent's local range for this group to
(defun gnus-agent-save-group-info (method group active)
"Update a single group's active range in the agent's copy of the server's active file."
(when (gnus-agent-method-p method)
- (let* ((gnus-command-method method)
+ (let* ((gnus-command-method (or method gnus-command-method))
(coding-system-for-write nnheader-file-coding-system)
(file-name-coding-system nnmail-pathname-coding-system)
(file (gnus-agent-lib-file "active"))
(when (re-search-forward
(concat "^" (regexp-quote group) " ") nil t)
(save-excursion
- (setq oactive-max (read (current-buffer)) ;; max
+ (setq oactive-max (read (current-buffer)) ;; max
oactive-min (read (current-buffer)))) ;; min
(gnus-delete-line)))
- (insert (format "%S %d %d y\n" (intern group)
- (max (or oactive-max (cdr active)) (cdr active))
- (min (or oactive-min (car active)) (car active))))
- (goto-char (point-max))
- (while (search-backward "\\." nil t)
- (delete-char 1))))))
+ (when active
+ (insert (format "%S %d %d y\n" (intern group)
+ (max (or oactive-max (cdr active)) (cdr active))
+ (min (or oactive-min (car active)) (car active))))
+ (goto-char (point-max))
+ (while (search-backward "\\." nil t)
+ (delete-char 1)))))))
+
+(defun gnus-agent-get-group-info (method group)
+ "Get a single group's active range in the agent's copy of the server's active file."
+ (when (gnus-agent-method-p method)
+ (let* ((gnus-command-method (or method gnus-command-method))
+ (coding-system-for-write nnheader-file-coding-system)
+ (file-name-coding-system nnmail-pathname-coding-system)
+ (file (gnus-agent-lib-file "active"))
+ oactive-min oactive-max)
+ (gnus-make-directory (file-name-directory file))
+ (with-temp-buffer
+ ;; Emacs got problem to match non-ASCII group in multibyte buffer.
+ (mm-disable-multibyte)
+ (when (file-exists-p file)
+ (nnheader-insert-file-contents file)
+
+ (goto-char (point-min))
+ (when (re-search-forward
+ (concat "^" (regexp-quote group) " ") nil t)
+ (save-excursion
+ (setq oactive-max (read (current-buffer)) ;; max
+ oactive-min (read (current-buffer))) ;; min
+ (cons oactive-min oactive-max))))))))
+
+(defvar gnus-agent-decoded-group-names nil
+ "Alist of non-ASCII group names and decoded ones.")
+
+(defun gnus-agent-decoded-group-name (group)
+ "Return a decoded group name of GROUP."
+ (or (cdr (assoc group gnus-agent-decoded-group-names))
+ (if (string-match "[^\000-\177]" group)
+ (let ((decoded (gnus-group-decoded-name group)))
+ (push (cons group decoded) gnus-agent-decoded-group-names)
+ decoded)
+ group)))
(defun gnus-agent-group-path (group)
"Translate GROUP into a file name."
(setq group
(nnheader-translate-file-chars
(nnheader-replace-duplicate-chars-in-string
- (nnheader-replace-chars-in-string
- (gnus-group-real-name group)
+ (nnheader-replace-chars-in-string
+ (gnus-group-real-name (gnus-agent-decoded-group-name group))
?/ ?_)
?. ?_)))
(if (or nnmail-use-long-file-names
(file-directory-p (expand-file-name group (gnus-agent-directory))))
group
- (mm-encode-coding-string
- (nnheader-replace-chars-in-string group ?. ?/)
- nnmail-pathname-coding-system)))
+ (nnheader-replace-chars-in-string group ?. ?/)))
(defun gnus-agent-group-pathname (group)
"Translate GROUP into a file name."
;; nnagent uses nnmail-group-pathname to read articles while
;; unplugged. The agent must, therefore, use the same directory
;; while plugged.
- (let ((gnus-command-method (or gnus-command-method
- (gnus-find-method-for-group group))))
- (nnmail-group-pathname (gnus-group-real-name group) (gnus-agent-directory))))
+ (nnmail-group-pathname
+ (gnus-group-real-name (gnus-agent-decoded-group-name group))
+ (if gnus-command-method
+ (gnus-agent-directory)
+ (let ((gnus-command-method (gnus-find-method-for-group group)))
+ (gnus-agent-directory)))))
(defun gnus-agent-get-function (method)
(if (gnus-online method)
(unless (and (eq article (caar alist))
(cdar alist))
;; Skip headers preceeding this article
- (while (> article
+ (while (> article
(setq header-number
(let* ((header (car headers)))
(if header
(dir (gnus-agent-group-pathname group))
(date (time-to-days (current-time)))
(case-fold-search t)
- pos crosses id)
+ pos crosses id
+ (file-name-coding-system nnmail-pathname-coding-system))
(setcar selected-sets (nreverse (car selected-sets)))
(setq selected-sets (nreverse selected-sets))
(gnus-make-directory dir)
- (gnus-message 7 "Fetching articles for %s..." group)
+ (gnus-message 7 "Fetching articles for %s..."
+ (gnus-agent-decoded-group-name group))
(unwind-protect
(while (setq articles (pop selected-sets))
(let (article)
(while (setq article (pop articles))
(gnus-message 10 "Fetching article %s for %s..."
- article group)
+ article
+ (gnus-agent-decoded-group-name group))
(when (or
(gnus-backlog-request-article group article
nntp-server-buffer)
nntp-server-buffer (point-min) (point-max))
(setq pos (nreverse pos)))))
;; Then save these articles into the Agent.
- (save-excursion
- (set-buffer nntp-server-buffer)
+ (with-current-buffer nntp-server-buffer
(while pos
(narrow-to-region (cdar pos) (or (cdadr pos) (point-max)))
(goto-char (point-min))
(while (looking-at "\\([^: \n]+\\):\\([0-9]+\\) *")
(push (cons (buffer-substring (match-beginning 1)
(match-end 1))
- (string-to-int
+ (string-to-number
(buffer-substring (match-beginning 2)
(match-end 2))))
crosses)
(setq pos (cdr pos)))))
(gnus-agent-save-alist group (cdr fetched-articles) date)
+ (gnus-agent-update-files-total-fetched-for group (cdr fetched-articles))
+
(gnus-message 7 ""))
(cdr fetched-articles))))))
+(defun gnus-agent-unfetch-articles (group articles)
+ "Delete ARTICLES that were fetched from GROUP into the agent."
+ (when articles
+ (gnus-agent-with-refreshed-group
+ group
+ (gnus-agent-load-alist group)
+ (let* ((alist (cons nil gnus-agent-article-alist))
+ (articles (sort articles #'<))
+ (next-possibility alist)
+ (delete-this (pop articles)))
+ (while (and (cdr next-possibility) delete-this)
+ (let ((have-this (caar (cdr next-possibility))))
+ (cond
+ ((< delete-this have-this)
+ (setq delete-this (pop articles)))
+ ((= delete-this have-this)
+ (let ((timestamp (cdar (cdr next-possibility))))
+ (when timestamp
+ (let* ((file-name (concat (gnus-agent-group-pathname group)
+ (number-to-string have-this)))
+ (size-file
+ (float (or (and gnus-agent-total-fetched-hashtb
+ (nth 7 (file-attributes file-name)))
+ 0)))
+ (file-name-coding-system
+ nnmail-pathname-coding-system))
+ (delete-file file-name)
+ (gnus-agent-update-files-total-fetched-for
+ group (- size-file)))))
+
+ (setcdr next-possibility (cddr next-possibility)))
+ (t
+ (setq next-possibility (cdr next-possibility))))))
+ (setq gnus-agent-article-alist (cdr alist))
+ (gnus-agent-save-alist group)))))
+
(defun gnus-agent-crosspost (crosses article &optional date)
(setq date (or date t))
(let (gnus-agent-article-alist group alist beg end)
- (save-excursion
- (set-buffer gnus-agent-overview-buffer)
+ (with-current-buffer gnus-agent-overview-buffer
(when (nnheader-find-nov-line article)
(forward-word 1)
(setq beg (point))
(push (setq alist (list group (gnus-agent-load-alist (caar crosses))))
gnus-agent-group-alist))
(setcdr alist (cons (cons (cdar crosses) date) (cdr alist)))
- (save-excursion
- (set-buffer (gnus-get-buffer-create (format " *Gnus agent overview %s*"
- group)))
+ (with-current-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
- (nnheader-insert-file-contents
- (gnus-agent-article-name ".overview" group))))
+ (let ((file-name-coding-system nnmail-pathname-coding-system))
+ (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)))
(insert-buffer-substring gnus-agent-overview-buffer beg end)
(when gnus-newsgroup-name
(let ((root (gnus-agent-article-name ".overview" gnus-newsgroup-name))
(cnt 0)
- name)
+ name
+ (file-name-coding-system nnmail-pathname-coding-system))
(while (file-exists-p
(setq name (concat root "~"
(int-to-string (setq cnt (1+ cnt))) "~"))))
(setq backed-up (gnus-agent-backup-overview-buffer)))
(gnus-message 1
"Duplicate overview line for %d" cur)
- (delete-region (point) (progn (forward-line 1) (point))))
+ (delete-region p (progn (forward-line 1) (point))))
((< cur prev-num)
(or backed-up
(setq backed-up (gnus-agent-backup-overview-buffer)))
(setq prev-num cur)))
(forward-line 1)))))))
+(defun gnus-agent-flush-server (&optional server-or-method)
+ "Flush all agent index files for every subscribed group within
+ the given SERVER-OR-METHOD. When called with nil, the current
+ value of gnus-command-method identifies the server."
+ (let* ((gnus-command-method (if server-or-method
+ (gnus-server-to-method server-or-method)
+ gnus-command-method))
+ (alist gnus-newsrc-alist))
+ (while alist
+ (let ((entry (pop alist)))
+ (when (gnus-methods-equal-p gnus-command-method (gnus-info-method entry))
+ (gnus-agent-flush-group (gnus-info-group entry)))))))
+
+(defun gnus-agent-flush-group (group)
+ "Flush the agent's index files such that the GROUP no longer
+appears to have any local content. The actual content, the
+article files, may then be deleted using gnus-agent-expire-group.
+If flushing was a mistake, the gnus-agent-regenerate-group method
+provides an undo mechanism by reconstructing the index files from
+the article files."
+ (interactive (list (gnus-agent-read-group)))
+
+ (let* ((gnus-command-method (or gnus-command-method
+ (gnus-find-method-for-group group)))
+ (overview (gnus-agent-article-name ".overview" group))
+ (agentview (gnus-agent-article-name ".agentview" group))
+ (file-name-coding-system nnmail-pathname-coding-system))
+
+ (if (file-exists-p overview)
+ (delete-file overview))
+ (if (file-exists-p agentview)
+ (delete-file agentview))
+
+ (gnus-agent-update-view-total-fetched-for group nil gnus-command-method)
+ (gnus-agent-update-view-total-fetched-for group t gnus-command-method)
+
+ ;(gnus-agent-set-local group nil nil)
+ ;(gnus-agent-save-local t)
+ (gnus-agent-save-group-info nil group nil)))
+
(defun gnus-agent-flush-cache ()
+ "Flush the agent's index files such that the group no longer
+appears to have any local content. The actual content, the
+article files, is then deleted using gnus-agent-expire-group. The
+gnus-agent-regenerate-group method provides an undo mechanism by
+reconstructing the index files from the article files."
+ (interactive)
(save-excursion
- (while gnus-agent-buffer-alist
- (set-buffer (cdar gnus-agent-buffer-alist))
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (write-region (point-min) (point-max)
- (gnus-agent-article-name ".overview"
- (caar gnus-agent-buffer-alist))
- nil 'silent))
- (setq gnus-agent-buffer-alist (cdr gnus-agent-buffer-alist)))
- (while gnus-agent-group-alist
- (with-temp-file (gnus-agent-article-name
- ".agentview" (caar gnus-agent-group-alist))
- (princ (cdar gnus-agent-group-alist))
- (insert "\n")
- (princ 1 (current-buffer))
- (insert "\n"))
- (setq gnus-agent-group-alist (cdr gnus-agent-group-alist)))))
+ (let ((file-name-coding-system nnmail-pathname-coding-system))
+ (while gnus-agent-buffer-alist
+ (set-buffer (cdar gnus-agent-buffer-alist))
+ (let ((coding-system-for-write gnus-agent-file-coding-system))
+ (write-region (point-min) (point-max)
+ (gnus-agent-article-name ".overview"
+ (caar gnus-agent-buffer-alist))
+ nil 'silent))
+ (setq gnus-agent-buffer-alist (cdr gnus-agent-buffer-alist)))
+ (while gnus-agent-group-alist
+ (with-temp-file (gnus-agent-article-name
+ ".agentview" (caar gnus-agent-group-alist))
+ (princ (cdar gnus-agent-group-alist))
+ (insert "\n")
+ (princ 1 (current-buffer))
+ (insert "\n"))
+ (setq gnus-agent-group-alist (cdr gnus-agent-group-alist))))))
+;;;###autoload
(defun gnus-agent-find-parameter (group symbol)
"Search for GROUPs SYMBOL in the group's parameters, the group's
topic parameters, the group's category, or the customizable
(gnus-agent-find-parameter group
'agent-predicate)))))
(articles (if fetch-all
- (gnus-uncompress-range (gnus-active group))
+ (if gnus-newsgroup-maximum-articles
+ (let ((active (gnus-active group)))
+ (gnus-uncompress-range
+ (cons (max (car active)
+ (- (cdr active)
+ gnus-newsgroup-maximum-articles
+ -1))
+ (cdr active))))
+ (gnus-uncompress-range (gnus-active group)))
(gnus-list-of-unread-articles group)))
(gnus-decode-encoded-word-function 'identity)
- (file (gnus-agent-article-name ".overview" group)))
+ (gnus-decode-encoded-address-function 'identity)
+ (file (gnus-agent-article-name ".overview" group))
+ (file-name-coding-system nnmail-pathname-coding-system))
(unless fetch-all
;; Add articles with marks to the list of article headers we want to
10 "gnus-agent-fetch-headers: undownloaded articles are '%s'"
(gnus-compress-sequence articles t))
- (save-excursion
- (set-buffer nntp-server-buffer)
-
+ (with-current-buffer nntp-server-buffer
(if articles
(progn
- (gnus-message 7 "Fetching headers for %s..." group)
+ (gnus-message 7 "Fetching headers for %s..."
+ (gnus-agent-decoded-group-name group))
;; Fetch them.
(gnus-make-directory (nnheader-translate-file-chars
;; of FILE.
(copy-to-buffer
gnus-agent-overview-buffer (point-min) (point-max))
- (when (file-exists-p file)
- (gnus-agent-braid-nov group articles file))
+ ;; NOTE: Call g-a-brand-nov even when the file does not
+ ;; exist. As a minimum, it will validate the article
+ ;; numbers already in the buffer.
+ (gnus-agent-braid-nov group articles file)
(let ((coding-system-for-write
gnus-agent-file-coding-system))
(gnus-agent-check-overview-buffer)
(write-region (point-min) (point-max) file nil 'silent))
+ (gnus-agent-update-view-total-fetched-for group t)
(gnus-agent-save-alist group articles nil)
articles)
(ignore-errors
(nnheader-insert-file-contents file)))))
articles))
+(defsubst gnus-agent-read-article-number ()
+ "Reads the article number at point. Returns nil when a valid article number can not be read."
+
+ ;; It is unfortunate but the read function quietly overflows
+ ;; integer. As a result, I have to use string operations to test
+ ;; for overflow BEFORE calling read.
+ (when (looking-at "[0-9]+\t")
+ (let ((len (- (match-end 0) (match-beginning 0))))
+ (cond ((< len 9)
+ (read (current-buffer)))
+ ((= len 9)
+ ;; Many 9 digit base-10 numbers can be represented in a 27-bit int
+ ;; Back convert from int to string to ensure that this is one of them.
+ (let* ((str1 (buffer-substring (match-beginning 0) (1- (match-end 0))))
+ (num (read (current-buffer)))
+ (str2 (int-to-string num)))
+ (when (equal str1 str2)
+ num)))))))
+
(defsubst gnus-agent-copy-nov-line (article)
+ "Copy the indicated ARTICLE from the overview buffer to the nntp server buffer."
(let (art b e)
(set-buffer gnus-agent-overview-buffer)
(while (and (not (eobp))
- (< (setq art (read (current-buffer))) article))
+ (or (not (setq art (gnus-agent-read-article-number)))
+ (< art article)))
(forward-line 1))
(beginning-of-line)
(if (or (eobp)
(defun gnus-agent-braid-nov (group articles file)
"Merge agent overview data with given file.
-Takes headers for ARTICLES from `gnus-agent-overview-buffer' and the given
-FILE and places the combined headers into `nntp-server-buffer'."
+Takes unvalidated headers for ARTICLES from
+`gnus-agent-overview-buffer' and validated headers from the given
+FILE and places the combined valid headers into
+`nntp-server-buffer'. This function can be used, when file
+doesn't exist, to valid the overview buffer."
(let (start last)
(set-buffer gnus-agent-overview-buffer)
(goto-char (point-min))
(set-buffer nntp-server-buffer)
(erase-buffer)
- (nnheader-insert-file-contents file)
+ (when (file-exists-p file)
+ (nnheader-insert-file-contents file))
(goto-char (point-max))
(forward-line -1)
- (unless (looking-at "[0-9]+\t")
- ;; Remove corrupted lines
- (gnus-message
- 1 "Overview %s is corrupted. Removing corrupted lines..." file)
- (goto-char (point-min))
- (while (not (eobp))
- (if (looking-at "[0-9]+\t")
- (forward-line 1)
- (delete-region (point) (progn (forward-line 1) (point)))))
- (forward-line -1))
+
(unless (or (= (point-min) (point-max))
(< (setq last (read (current-buffer))) (car articles)))
- ;; We do it the hard way.
+ ;; Old and new overlap -- We do it the hard way.
(when (nnheader-find-nov-line (car articles))
;; Replacing existing NOV entry
(delete-region (point) (progn (forward-line 1) (point))))
(gnus-agent-copy-nov-line (pop articles))
(ignore-errors
- (while articles
- (while (let ((art (read (current-buffer))))
- (cond ((< art (car articles))
- (forward-line 1)
- t)
- ((= art (car articles))
- (beginning-of-line)
- (delete-region
+ (while articles
+ (while (let ((art (read (current-buffer))))
+ (cond ((< art (car articles))
+ (forward-line 1)
+ t)
+ ((= art (car articles))
+ (beginning-of-line)
+ (delete-region
(point) (progn (forward-line 1) (point)))
- nil)
- (t
- (beginning-of-line)
- nil))))
+ nil)
+ (t
+ (beginning-of-line)
+ nil))))
(gnus-agent-copy-nov-line (pop articles)))))
- ;; Copy the rest lines
- (set-buffer nntp-server-buffer)
(goto-char (point-max))
+
+ ;; Append the remaining lines
(when articles
(when last
(set-buffer gnus-agent-overview-buffer)
- (ignore-errors
- (while (<= (read (current-buffer)) last)
- (forward-line 1)))
- (beginning-of-line)
(setq start (point))
(set-buffer nntp-server-buffer))
- (insert-buffer-substring gnus-agent-overview-buffer start))))
+
+ (let ((p (point)))
+ (insert-buffer-substring gnus-agent-overview-buffer start)
+ (goto-char p))
+
+ (setq last (or last -134217728))
+ (while (catch 'problems
+ (let (sort art)
+ (while (not (eobp))
+ (setq art (gnus-agent-read-article-number))
+ (cond ((not art)
+ ;; Bad art num - delete this line
+ (beginning-of-line)
+ (delete-region (point) (progn (forward-line 1) (point))))
+ ((< art last)
+ ;; Art num out of order - enable sort
+ (setq sort t)
+ (forward-line 1))
+ ((= art last)
+ ;; Bad repeat of art number - delete this line
+ (beginning-of-line)
+ (delete-region (point) (progn (forward-line 1) (point))))
+ (t
+ ;; Good art num
+ (setq last art)
+ (forward-line 1))))
+ (when sort
+ ;; something is seriously wrong as we simply shouldn't see out-of-order data.
+ ;; First, we'll fix the sort.
+ (sort-numeric-fields 1 (point-min) (point-max))
+
+ ;; but now we have to consider that we may have duplicate rows...
+ ;; so reset to beginning of file
+ (goto-char (point-min))
+ (setq last -134217728)
+
+ ;; and throw a code that restarts this scan
+ (throw 'problems t))
+ nil))))))
;; Keeps the compiler from warning about the free variable in
;; gnus-agent-read-agentview.
-(eval-when-compile
- (defvar gnus-agent-read-agentview))
+(defvar gnus-agent-read-agentview)
(defun gnus-agent-load-alist (group)
"Load the article-state alist for GROUP."
;; Bind free variable that's used in `gnus-agent-read-agentview'.
- (let ((gnus-agent-read-agentview group))
+ (let* ((gnus-agent-read-agentview group)
+ (file-name-coding-system nnmail-pathname-coding-system)
+ (agentview (gnus-agent-article-name ".agentview" group)))
(setq gnus-agent-article-alist
- (gnus-cache-file-contents
- (gnus-agent-article-name ".agentview" group)
- 'gnus-agent-file-loading-cache
- 'gnus-agent-read-agentview))))
-
-;; Save format may be either 1 or 2. Two is the new, compressed
-;; format that is still being tested. Format 1 is uncompressed but
-;; known to be reliable.
-(defconst gnus-agent-article-alist-save-format 2)
+ (and (file-exists-p agentview)
+ (gnus-cache-file-contents
+ agentview
+ 'gnus-agent-file-loading-cache
+ 'gnus-agent-read-agentview)))))
(defun gnus-agent-read-agentview (file)
"Load FILE and do a `read' there."
(with-temp-buffer
- (ignore-errors
- (nnheader-insert-file-contents file)
- (goto-char (point-min))
- (let ((alist (read (current-buffer)))
- (version (condition-case nil (read (current-buffer))
- (end-of-file 0)))
- changed-version)
-
- (cond
- ((= version 0)
- (let ((inhibit-quit t)
- entry)
- (gnus-agent-open-history)
- (set-buffer (gnus-agent-history-buffer))
- (goto-char (point-min))
- (while (not (eobp))
- (if (and (looking-at
- "[^\t\n]+\t\\([0-9]+\\)\t\\([^ \n]+\\) \\([0-9]+\\)")
- (string= (match-string 2)
- gnus-agent-read-agentview)
- (setq entry (assoc (string-to-number (match-string 3)) alist)))
- (setcdr entry (string-to-number (match-string 1))))
- (forward-line 1))
- (gnus-agent-close-history)
- (setq changed-version t)))
- ((= version 1)
- (setq changed-version (not (= 1 gnus-agent-article-alist-save-format))))
- ((= version 2)
- (let (uncomp)
- (mapcar
- (lambda (comp-list)
- (let ((state (car comp-list))
- (sequence (gnus-uncompress-sequence
- (cdr comp-list))))
- (mapcar (lambda (article-id)
- (setq uncomp (cons (cons article-id state) uncomp)))
- sequence)))
- alist)
- (setq alist (sort uncomp 'car-less-than-car)))))
- (when changed-version
- (let ((gnus-agent-article-alist alist))
- (gnus-agent-save-alist gnus-agent-read-agentview)))
- alist))))
+ (condition-case nil
+ (progn
+ (nnheader-insert-file-contents file)
+ (goto-char (point-min))
+ (let ((alist (read (current-buffer)))
+ (version (condition-case nil (read (current-buffer))
+ (end-of-file 0)))
+ changed-version)
+
+ (cond
+ ((= version 0)
+ (let ((inhibit-quit t)
+ entry)
+ (gnus-agent-open-history)
+ (set-buffer (gnus-agent-history-buffer))
+ (goto-char (point-min))
+ (while (not (eobp))
+ (if (and (looking-at
+ "[^\t\n]+\t\\([0-9]+\\)\t\\([^ \n]+\\) \\([0-9]+\\)")
+ (string= (match-string 2)
+ gnus-agent-read-agentview)
+ (setq entry (assoc (string-to-number (match-string 3)) alist)))
+ (setcdr entry (string-to-number (match-string 1))))
+ (forward-line 1))
+ (gnus-agent-close-history)
+ (setq changed-version t)))
+ ((= version 1)
+ (setq changed-version (not (= 1 gnus-agent-article-alist-save-format))))
+ ((= version 2)
+ (let (state sequence uncomp)
+ (while alist
+ (setq state (caar alist)
+ sequence (inline (gnus-uncompress-range (cdar alist)))
+ alist (cdr alist))
+ (while sequence
+ (push (cons (pop sequence) state) uncomp)))
+ (setq alist (sort uncomp 'car-less-than-car)))
+ (setq changed-version (not (= 2 gnus-agent-article-alist-save-format)))))
+ (when changed-version
+ (let ((gnus-agent-article-alist alist))
+ (gnus-agent-save-alist gnus-agent-read-agentview)))
+ alist))
+ ((end-of-file file-error)
+ ;; The agentview file is missing.
+ (condition-case nil
+ ;; If the agent directory exists, attempt to perform a brute-force
+ ;; reconstruction of its contents.
+ (let* (alist
+ (file-name-coding-system nnmail-pathname-coding-system)
+ (file-attributes (directory-files-and-attributes
+ (gnus-agent-article-name ""
+ gnus-agent-read-agentview) nil "^[0-9]+$" t)))
+ (while file-attributes
+ (let ((fa (pop file-attributes)))
+ (unless (nth 1 fa)
+ (push (cons (string-to-number (nth 0 fa)) (time-to-days (nth 5 fa))) alist))))
+ alist)
+ (file-error nil))))))
(defun gnus-agent-save-alist (group &optional articles state)
"Save the article-state alist for GROUP."
(setq prev (cdr prev)))
(setq gnus-agent-article-alist (cdr all))
- (gnus-agent-set-local group
- (caar gnus-agent-article-alist)
+ (gnus-agent-set-local group
+ (caar gnus-agent-article-alist)
(caar (last gnus-agent-article-alist)))
(gnus-make-directory (gnus-agent-article-name "" group))
(cond ((eq gnus-agent-article-alist-save-format 1)
(princ gnus-agent-article-alist (current-buffer)))
((eq gnus-agent-article-alist-save-format 2)
- (let ((compressed nil))
- (mapcar (lambda (pair)
- (let* ((article-id (car pair))
- (day-of-download (cdr pair))
- (comp-list (assq day-of-download compressed)))
- (if comp-list
- (setcdr comp-list
- (cons article-id (cdr comp-list)))
- (setq compressed
- (cons (list day-of-download article-id)
- compressed)))
- nil)) gnus-agent-article-alist)
- (mapcar (lambda (comp-list)
- (setcdr comp-list
- (gnus-compress-sequence
- (nreverse (cdr comp-list)))))
- compressed)
+ (let ((alist gnus-agent-article-alist)
+ article-id day-of-download comp-list compressed)
+ (while alist
+ (setq article-id (caar alist)
+ day-of-download (cdar alist)
+ comp-list (assq day-of-download compressed)
+ alist (cdr alist))
+ (if comp-list
+ (setcdr comp-list (cons article-id (cdr comp-list)))
+ (push (list day-of-download article-id) compressed)))
+ (setq alist compressed)
+ (while alist
+ (setq comp-list (pop alist))
+ (setcdr comp-list
+ (gnus-compress-sequence (nreverse (cdr comp-list)))))
(princ compressed (current-buffer)))))
(insert "\n")
(princ gnus-agent-article-alist-save-format (current-buffer))
- (insert "\n"))))
+ (insert "\n"))
+
+ (gnus-agent-update-view-total-fetched-for group nil)))
(defvar gnus-agent-article-local nil)
+(defvar gnus-agent-article-local-times nil)
(defvar gnus-agent-file-loading-local nil)
(defun gnus-agent-load-local (&optional method)
"Load the METHOD'S local file. The local file contains min/max
article counts for each of the method's subscribed groups."
(let ((gnus-command-method (or method gnus-command-method)))
- (setq gnus-agent-article-local
- (gnus-cache-file-contents
- (gnus-agent-lib-file "local")
- 'gnus-agent-file-loading-local
- 'gnus-agent-read-and-cache-local))))
+ (when (or (null gnus-agent-article-local-times)
+ (zerop gnus-agent-article-local-times))
+ (setq gnus-agent-article-local
+ (gnus-cache-file-contents
+ (gnus-agent-lib-file "local")
+ 'gnus-agent-file-loading-local
+ 'gnus-agent-read-and-cache-local))
+ (when gnus-agent-article-local-times
+ (incf gnus-agent-article-local-times)))
+ gnus-agent-article-local))
(defun gnus-agent-read-and-cache-local (file)
"Load and read FILE then bind its contents to
gnus-agent-article-local. If that variable had `dirty' (also known as
modified) original contents, they are first saved to their own file."
-
(if (and gnus-agent-article-local
(symbol-value (intern "+dirty" gnus-agent-article-local)))
(gnus-agent-save-local))
(defun gnus-agent-read-local (file)
"Load FILE and do a `read' there."
- (let ((my-obarray (gnus-make-hashtable (count-lines (point-min)
+ (let ((my-obarray (gnus-make-hashtable (count-lines (point-min)
(point-max))))
(line 1))
(with-temp-buffer
(condition-case nil
- (nnheader-insert-file-contents file)
+ (let ((nnheader-file-coding-system gnus-agent-file-coding-system))
+ (nnheader-insert-file-contents file))
(file-error))
(goto-char (point-min))
(while (not (eobp))
(condition-case err
- (let (group
+ (let (group
min
max
- (cur (current-buffer)))
+ (cur (current-buffer))
+ (obarray my-obarray))
(setq group (read cur)
min (read cur)
max (read cur))
;; NOTE: The '+ 0' ensure that min and max are both numerics.
(set group (cons (+ 0 min) (+ 0 max))))
(error
- (gnus-message 3 "Warning - invalid agent local: %s on line %d: "
+ (gnus-message 3 "Warning - invalid agent local: %s on line %d: %s"
file line (error-message-string err))))
(forward-line 1)
(setq line (1+ line))))
-
+
(set (intern "+dirty" my-obarray) nil)
(set (intern "+method" my-obarray) gnus-command-method)
my-obarray))
;; NOTE: gnus-command-method is used within gnus-agent-lib-file.
(dest (gnus-agent-lib-file "local")))
(gnus-make-directory (gnus-agent-lib-file ""))
- (with-temp-file dest
- (let ((gnus-command-method (symbol-value (intern "+method" my-obarray)))
- (file-name-coding-system nnmail-pathname-coding-system)
- (coding-system-for-write
- gnus-agent-file-coding-system)
- print-level print-length item article
- (standard-output (current-buffer)))
- (mapatoms (lambda (symbol)
- (cond ((not (boundp symbol))
- nil)
- ((member (symbol-name symbol) '("+dirty" "+method"))
- nil)
- (t
- (prin1 symbol)
- (let ((range (symbol-value symbol)))
- (princ " ")
- (princ (car range))
- (princ " ")
- (princ (cdr range))
- (princ "\n")))))
- my-obarray)))))))
-
-(defun gnus-agent-get-local (group)
- (let* ((gmane (gnus-group-real-name group))
- (gnus-command-method (gnus-find-method-for-group group))
+
+ (let ((coding-system-for-write gnus-agent-file-coding-system)
+ (file-name-coding-system nnmail-pathname-coding-system))
+ (with-temp-file dest
+ (let ((gnus-command-method (symbol-value (intern "+method" my-obarray)))
+ print-level print-length item article
+ (standard-output (current-buffer)))
+ (mapatoms (lambda (symbol)
+ (cond ((not (boundp symbol))
+ nil)
+ ((member (symbol-name symbol) '("+dirty" "+method"))
+ nil)
+ (t
+ (let ((range (symbol-value symbol)))
+ (when range
+ (prin1 symbol)
+ (princ " ")
+ (princ (car range))
+ (princ " ")
+ (princ (cdr range))
+ (princ "\n"))))))
+ my-obarray))))))))
+
+(defun gnus-agent-get-local (group &optional gmane method)
+ (let* ((gmane (or gmane (gnus-group-real-name group)))
+ (gnus-command-method (or method (gnus-find-method-for-group group)))
(local (gnus-agent-load-local))
(symb (intern gmane local))
(minmax (and (boundp symb) (symbol-value symb))))
(setq minmax
(cons (caar alist)
(caar (last alist))))
- (gnus-agent-set-local group (car minmax) (cdr minmax)
+ (gnus-agent-set-local group (car minmax) (cdr minmax)
gmane gnus-command-method local))))
minmax))
(local (or local (gnus-agent-load-local)))
(symb (intern gmane local))
(minmax (and (boundp symb) (symbol-value symb))))
-
(if (cond ((and minmax
(or (not (eq min (car minmax)))
- (not (eq max (cdr minmax)))))
+ (not (eq max (cdr minmax))))
+ min
+ max)
(setcar minmax min)
(setcdr minmax max)
t)
nil)
((and min max)
(set symb (cons min max))
- t))
+ t)
+ (t
+ (unintern symb local)))
(set (intern "+dirty" local) t))))
(defun gnus-agent-article-name (article group)
(defun gnus-agent-batch-confirmation (msg)
"Show error message and return t."
- (gnus-message 1 msg)
+ (gnus-message 1 "%s" msg)
t)
;;;###autoload
group gnus-command-method)
(error
(unless (funcall gnus-agent-confirmation-function
- (format "Error %s. Continue? "
+ (format "Error %s while fetching session. Should gnus continue? "
(error-message-string err)))
(error "Cannot fetch articles into the Gnus agent")))
(quit
+ (gnus-agent-regenerate-group group)
(unless (funcall gnus-agent-confirmation-function
(format
- "Quit fetching session %s. Continue? "
+ "%s while fetching session. Should gnus continue? "
(error-message-string err)))
(signal 'quit
"Cannot fetch articles into the Gnus agent")))))))))
(dolist (article marked-articles)
(gnus-summary-set-agent-mark article t))
(dolist (article fetched-articles)
- (if gnus-agent-mark-unread-after-downloaded
- (gnus-summary-mark-article
- article gnus-unread-mark))
+ (when gnus-agent-mark-unread-after-downloaded
+ (setq gnus-newsgroup-downloadable
+ (delq article gnus-newsgroup-downloadable))
+ (gnus-summary-mark-article
+ article gnus-unread-mark))
(when (gnus-summary-goto-subject article nil t)
(gnus-summary-update-download-mark article)))
(dolist (article unfetched-articles)
(defvar gnus-agent-predicate 'false
"The selection predicate used when no other source is available.")
-(defvar gnus-agent-short-article 100
+(defvar gnus-agent-short-article 500
"Articles that have fewer lines than this are short.")
-(defvar gnus-agent-long-article 200
+(defvar gnus-agent-long-article 1000
"Articles that have more lines than this are long.")
(defvar gnus-agent-low-score 0
(buffer-disable-undo)
(setq truncate-lines t)
(setq buffer-read-only t)
- (gnus-run-hooks 'gnus-category-mode-hook))
+ (gnus-run-mode-hooks 'gnus-category-mode-hook))
(defalias 'gnus-category-position-point 'gnus-goto-colon)
(defun gnus-category-setup-buffer ()
(unless (get-buffer gnus-category-buffer)
- (save-excursion
- (set-buffer (gnus-get-buffer-create gnus-category-buffer))
+ (with-current-buffer (gnus-get-buffer-create gnus-category-buffer)
(gnus-category-mode))))
(defun gnus-category-prepare ()
It is okay to miss some cases, but there must be no false positives.
That is, if this predicate returns true, then indeed the predicate must
return only unread articles."
- (eq t (gnus-function-implies-unread-1
+ (eq t (gnus-function-implies-unread-1
(gnus-category-make-function-1 predicate))))
(defun gnus-function-implies-unread-1 (function)
if ARTICLES is t, all articles.
if ARTICLES is a list, just those articles.
FORCE is equivalent to setting the expiration predicates to true."
- (interactive
- (list (let ((def (or (gnus-group-group-name)
- gnus-newsgroup-name)))
- (let ((select (read-string (if def
- (concat "Group Name ("
- def "): ")
- "Group Name: "))))
- (if (and (equal "" select)
- def)
- def
- select)))))
+ (interactive (list (gnus-agent-read-group)))
(if (not group)
(gnus-agent-expire articles group force)
(let ( ;; Bind gnus-agent-expire-stats to enable tracking of
- ;; expiration statistics of this single group
+ ;; expiration statistics of this single group
(gnus-agent-expire-stats (list 0 0 0.0)))
(if (or (not (eq articles t))
(yes-or-no-p
(concat "Are you sure that you want to "
- "expire all articles in " group ".")))
+ "expire all articles in " group "? ")))
(let ((gnus-command-method (gnus-find-method-for-group group))
(overview (gnus-get-buffer-create " *expire overview*"))
orig)
group overview (gnus-gethash-safe group orig)
articles force))))
(kill-buffer overview))))
- (gnus-message 4 (gnus-agent-expire-done-message)))))
+ (gnus-message 4 "%s" (gnus-agent-expire-done-message)))))
(defun gnus-agent-expire-group-1 (group overview active articles force)
;; Internal function - requires caller to have set
;; gnus-command-method, initialized overview buffer, and to have
;; provided a non-nil active
- (let ((dir (gnus-agent-group-pathname group)))
- (when (boundp 'gnus-agent-expire-current-dirs)
- (set 'gnus-agent-expire-current-dirs
- (cons dir
- (symbol-value 'gnus-agent-expire-current-dirs))))
-
- (if (and (not force)
- (eq 'DISABLE (gnus-agent-find-parameter group
- 'agent-enable-expiration)))
- (gnus-message 5 "Expiry skipping over %s" group)
- (gnus-message 5 "Expiring articles in %s" group)
- (gnus-agent-load-alist group)
- (let* ((stats (if (boundp 'gnus-agent-expire-stats)
- ;; Use the list provided by my caller
- (symbol-value 'gnus-agent-expire-stats)
- ;; otherwise use my own temporary list
- (list 0 0 0.0)))
- (info (gnus-get-info group))
- (alist gnus-agent-article-alist)
- (day (- (time-to-days (current-time))
- (gnus-agent-find-parameter group 'agent-days-until-old)))
- (specials (if (and alist
- (not force))
- ;; This could be a bit of a problem. I need to
- ;; keep the last article to avoid refetching
- ;; headers when using nntp in the backend. At
- ;; the same time, if someone uses a backend
- ;; that supports article moving then I may have
- ;; to remove the last article to complete the
- ;; move. Right now, I'm going to assume that
- ;; FORCE overrides specials.
- (list (caar (last alist)))))
- (unreads ;; Articles that are excluded from the
- ;; expiration process
- (cond (gnus-agent-expire-all
- ;; All articles are marked read by global decree
- nil)
- ((eq articles t)
- ;; All articles are marked read by function
- ;; parameter
- nil)
- ((not articles)
- ;; Unread articles are marked protected from
- ;; expiration Don't call
- ;; gnus-list-of-unread-articles as it returns
- ;; articles that have not been fetched into the
- ;; agent.
- (ignore-errors
- (gnus-agent-unread-articles group)))
- (t
- ;; All articles EXCEPT those named by the caller
- ;; are protected from expiration
- (gnus-sorted-difference
- (gnus-uncompress-range
- (cons (caar alist)
- (caar (last alist))))
- (sort articles '<)))))
- (marked ;; More articles that are excluded from the
- ;; expiration process
- (cond (gnus-agent-expire-all
- ;; All articles are unmarked by global decree
- nil)
- ((eq articles t)
- ;; All articles are unmarked by function
- ;; parameter
- nil)
- (articles
- ;; All articles may as well be unmarked as the
- ;; unreads list already names the articles we are
- ;; going to keep
- nil)
- (t
- ;; Ticked and/or dormant articles are excluded
- ;; from expiration
- (nconc
- (gnus-uncompress-range
- (cdr (assq 'tick (gnus-info-marks info))))
- (gnus-uncompress-range
- (cdr (assq 'dormant
- (gnus-info-marks info))))))))
- (nov-file (concat dir ".overview"))
- (cnt 0)
- (completed -1)
- dlist
- type)
-
- ;; The normal article alist contains elements that look like
- ;; (article# . fetch_date) I need to combine other
- ;; information with this list. For example, a flag indicating
- ;; that a particular article MUST BE KEPT. To do this, I'm
- ;; going to transform the elements to look like (article#
- ;; fetch_date keep_flag NOV_entry_marker) Later, I'll reverse
- ;; the process to generate the expired article alist.
-
- ;; Convert the alist elements to (article# fetch_date nil
- ;; nil).
- (setq dlist (mapcar (lambda (e)
- (list (car e) (cdr e) nil nil)) alist))
-
- ;; Convert the keep lists to elements that look like (article#
- ;; nil keep_flag nil) then append it to the expanded dlist
- ;; These statements are sorted by ascending precidence of the
- ;; keep_flag.
- (setq dlist (nconc dlist
- (mapcar (lambda (e)
- (list e nil 'unread nil))
- unreads)))
- (setq dlist (nconc dlist
- (mapcar (lambda (e)
- (list e nil 'marked nil))
- marked)))
- (setq dlist (nconc dlist
- (mapcar (lambda (e)
- (list e nil 'special nil))
- specials)))
-
- (set-buffer overview)
- (erase-buffer)
- (buffer-disable-undo)
- (when (file-exists-p nov-file)
- (gnus-message 7 "gnus-agent-expire: Loading overview...")
- (nnheader-insert-file-contents nov-file)
- (goto-char (point-min))
-
- (let (p)
- (while (< (setq p (point)) (point-max))
- (condition-case nil
- ;; If I successfully read an integer (the plus zero
- ;; ensures a numeric type), prepend a marker entry
- ;; to the list
- (push (list (+ 0 (read (current-buffer))) nil nil
- (set-marker (make-marker) p))
- dlist)
- (error
- (gnus-message 1 "gnus-agent-expire: read error \
+ (let ((dir (gnus-agent-group-pathname group))
+ (file-name-coding-system nnmail-pathname-coding-system)
+ (decoded (gnus-agent-decoded-group-name group)))
+ (gnus-agent-with-refreshed-group
+ group
+ (when (boundp 'gnus-agent-expire-current-dirs)
+ (set 'gnus-agent-expire-current-dirs
+ (cons dir
+ (symbol-value 'gnus-agent-expire-current-dirs))))
+
+ (if (and (not force)
+ (eq 'DISABLE (gnus-agent-find-parameter group
+ 'agent-enable-expiration)))
+ (gnus-message 5 "Expiry skipping over %s" decoded)
+ (gnus-message 5 "Expiring articles in %s" decoded)
+ (gnus-agent-load-alist group)
+ (let* ((bytes-freed 0)
+ (size-files-deleted 0.0)
+ (files-deleted 0)
+ (nov-entries-deleted 0)
+ (info (gnus-get-info group))
+ (alist gnus-agent-article-alist)
+ (day (- (time-to-days (current-time))
+ (gnus-agent-find-parameter group 'agent-days-until-old)))
+ (specials (if (and alist
+ (not force))
+ ;; This could be a bit of a problem. I need to
+ ;; keep the last article to avoid refetching
+ ;; headers when using nntp in the backend. At
+ ;; the same time, if someone uses a backend
+ ;; that supports article moving then I may have
+ ;; to remove the last article to complete the
+ ;; move. Right now, I'm going to assume that
+ ;; FORCE overrides specials.
+ (list (caar (last alist)))))
+ (unreads ;; Articles that are excluded from the
+ ;; expiration process
+ (cond (gnus-agent-expire-all
+ ;; All articles are marked read by global decree
+ nil)
+ ((eq articles t)
+ ;; All articles are marked read by function
+ ;; parameter
+ nil)
+ ((not articles)
+ ;; Unread articles are marked protected from
+ ;; expiration Don't call
+ ;; gnus-list-of-unread-articles as it returns
+ ;; articles that have not been fetched into the
+ ;; agent.
+ (ignore-errors
+ (gnus-agent-unread-articles group)))
+ (t
+ ;; All articles EXCEPT those named by the caller
+ ;; are protected from expiration
+ (gnus-sorted-difference
+ (gnus-uncompress-range
+ (cons (caar alist)
+ (caar (last alist))))
+ (sort articles '<)))))
+ (marked ;; More articles that are excluded from the
+ ;; expiration process
+ (cond (gnus-agent-expire-all
+ ;; All articles are unmarked by global decree
+ nil)
+ ((eq articles t)
+ ;; All articles are unmarked by function
+ ;; parameter
+ nil)
+ (articles
+ ;; All articles may as well be unmarked as the
+ ;; unreads list already names the articles we are
+ ;; going to keep
+ nil)
+ (t
+ ;; Ticked and/or dormant articles are excluded
+ ;; from expiration
+ (nconc
+ (gnus-uncompress-range
+ (cdr (assq 'tick (gnus-info-marks info))))
+ (gnus-uncompress-range
+ (cdr (assq 'dormant
+ (gnus-info-marks info))))))))
+ (nov-file (concat dir ".overview"))
+ (cnt 0)
+ (completed -1)
+ dlist
+ type)
+
+ ;; The normal article alist contains elements that look like
+ ;; (article# . fetch_date) I need to combine other
+ ;; information with this list. For example, a flag indicating
+ ;; that a particular article MUST BE KEPT. To do this, I'm
+ ;; going to transform the elements to look like (article#
+ ;; fetch_date keep_flag NOV_entry_position) Later, I'll reverse
+ ;; the process to generate the expired article alist.
+
+ ;; Convert the alist elements to (article# fetch_date nil
+ ;; nil).
+ (setq dlist (mapcar (lambda (e)
+ (list (car e) (cdr e) nil nil)) alist))
+
+ ;; Convert the keep lists to elements that look like (article#
+ ;; nil keep_flag nil) then append it to the expanded dlist
+ ;; These statements are sorted by ascending precidence of the
+ ;; keep_flag.
+ (setq dlist (nconc dlist
+ (mapcar (lambda (e)
+ (list e nil 'unread nil))
+ unreads)))
+ (setq dlist (nconc dlist
+ (mapcar (lambda (e)
+ (list e nil 'marked nil))
+ marked)))
+ (setq dlist (nconc dlist
+ (mapcar (lambda (e)
+ (list e nil 'special nil))
+ specials)))
+
+ (set-buffer overview)
+ (erase-buffer)
+ (buffer-disable-undo)
+ (when (file-exists-p nov-file)
+ (gnus-message 7 "gnus-agent-expire: Loading overview...")
+ (nnheader-insert-file-contents nov-file)
+ (goto-char (point-min))
+
+ (let (p)
+ (while (< (setq p (point)) (point-max))
+ (condition-case nil
+ ;; If I successfully read an integer (the plus zero
+ ;; ensures a numeric type), append the position
+ ;; to the list
+ (push (list (+ 0 (read (current-buffer))) nil nil
+ p)
+ dlist)
+ (error
+ (gnus-message 1 "gnus-agent-expire: read error \
occurred when reading expression at %s in %s. Skipping to next \
line." (point) nov-file)))
- ;; Whether I succeeded, or failed, it doesn't matter.
- ;; Move to the next line then try again.
- (forward-line 1)))
-
- (gnus-message
- 7 "gnus-agent-expire: Loading overview... Done"))
- (set-buffer-modified-p nil)
-
- ;; At this point, all of the information is in dlist. The
- ;; only problem is that much of it is spread across multiple
- ;; entries. Sort then MERGE!!
- (gnus-message 7 "gnus-agent-expire: Sorting entries... ")
- ;; If two entries have the same article-number then sort by
- ;; ascending keep_flag.
- (let ((special 0)
- (marked 1)
- (unread 2))
- (setq dlist
- (sort dlist
- (lambda (a b)
- (cond ((< (nth 0 a) (nth 0 b))
- t)
- ((> (nth 0 a) (nth 0 b))
- nil)
- (t
- (let ((a (or (symbol-value (nth 2 a))
- 3))
- (b (or (symbol-value (nth 2 b))
- 3)))
- (<= a b))))))))
- (gnus-message 7 "gnus-agent-expire: Sorting entries... Done")
- (gnus-message 7 "gnus-agent-expire: Merging entries... ")
- (let ((dlist dlist))
- (while (cdr dlist) ; I'm not at the end-of-list
- (if (eq (caar dlist) (caadr dlist))
- (let ((first (cdr (car dlist)))
- (secnd (cdr (cadr dlist))))
- (setcar first (or (car first)
- (car secnd))) ; fetch_date
- (setq first (cdr first)
- secnd (cdr secnd))
- (setcar first (or (car first)
- (car secnd))) ; Keep_flag
- (setq first (cdr first)
- secnd (cdr secnd))
- (setcar first (or (car first)
- (car secnd))) ; NOV_entry_marker
-
- (setcdr dlist (cddr dlist)))
- (setq dlist (cdr dlist)))))
- (gnus-message 7 "gnus-agent-expire: Merging entries... Done")
-
- (let* ((len (float (length dlist)))
- (alist (list nil))
- (tail-alist alist))
- (while dlist
- (let ((new-completed (truncate (* 100.0
- (/ (setq cnt (1+ cnt))
- len))))
- message-log-max)
- (when (> new-completed completed)
- (setq completed new-completed)
- (gnus-message 7 "%3d%% completed..." completed)))
- (let* ((entry (car dlist))
- (article-number (nth 0 entry))
- (fetch-date (nth 1 entry))
- (keep (nth 2 entry))
- (marker (nth 3 entry)))
-
- (cond
- ;; Kept articles are unread, marked, or special.
- (keep
- (gnus-agent-message 10
- "gnus-agent-expire: %s:%d: Kept %s article%s."
- group article-number keep (if fetch-date " and file" ""))
- (when fetch-date
- (unless (file-exists-p
- (concat dir (number-to-string
- article-number)))
- (setf (nth 1 entry) nil)
- (gnus-agent-message 3 "gnus-agent-expire cleared \
+ ;; Whether I succeeded, or failed, it doesn't matter.
+ ;; Move to the next line then try again.
+ (forward-line 1)))
+
+ (gnus-message
+ 7 "gnus-agent-expire: Loading overview... Done"))
+ (set-buffer-modified-p nil)
+
+ ;; At this point, all of the information is in dlist. The
+ ;; only problem is that much of it is spread across multiple
+ ;; entries. Sort then MERGE!!
+ (gnus-message 7 "gnus-agent-expire: Sorting entries... ")
+ ;; If two entries have the same article-number then sort by
+ ;; ascending keep_flag.
+ (let ((special 0)
+ (marked 1)
+ (unread 2))
+ (setq dlist
+ (sort dlist
+ (lambda (a b)
+ (cond ((< (nth 0 a) (nth 0 b))
+ t)
+ ((> (nth 0 a) (nth 0 b))
+ nil)
+ (t
+ (let ((a (or (symbol-value (nth 2 a))
+ 3))
+ (b (or (symbol-value (nth 2 b))
+ 3)))
+ (<= a b))))))))
+ (gnus-message 7 "gnus-agent-expire: Sorting entries... Done")
+ (gnus-message 7 "gnus-agent-expire: Merging entries... ")
+ (let ((dlist dlist))
+ (while (cdr dlist) ; I'm not at the end-of-list
+ (if (eq (caar dlist) (caadr dlist))
+ (let ((first (cdr (car dlist)))
+ (secnd (cdr (cadr dlist))))
+ (setcar first (or (car first)
+ (car secnd))) ; fetch_date
+ (setq first (cdr first)
+ secnd (cdr secnd))
+ (setcar first (or (car first)
+ (car secnd))) ; Keep_flag
+ (setq first (cdr first)
+ secnd (cdr secnd))
+ (setcar first (or (car first)
+ (car secnd))) ; NOV_entry_position
+
+ (setcdr dlist (cddr dlist)))
+ (setq dlist (cdr dlist)))))
+
+ ;; Check the order of the entry positions. They should be in
+ ;; ascending order. If they aren't, the positions must be
+ ;; converted to markers.
+ (when (catch 'sort-results
+ (let ((dlist dlist)
+ (prev-pos -1)
+ pos)
+ (while dlist
+ (if (setq pos (nth 3 (pop dlist)))
+ (if (< pos prev-pos)
+ (throw 'sort-results 'unsorted)
+ (setq prev-pos pos))))))
+ (gnus-message 7 "gnus-agent-expire: Unsorted overview; inserting markers to compensate.")
+ (mapc (lambda (entry)
+ (let ((pos (nth 3 entry)))
+ (if pos
+ (setf (nth 3 entry)
+ (set-marker (make-marker)
+ pos)))))
+ dlist))
+
+ (gnus-message 7 "gnus-agent-expire: Merging entries... Done")
+
+ (let* ((len (float (length dlist)))
+ (alist (list nil))
+ (tail-alist alist)
+ (position-offset 0)
+ )
+
+ (while dlist
+ (let ((new-completed (truncate (* 100.0
+ (/ (setq cnt (1+ cnt))
+ len))))
+ message-log-max)
+ (when (> new-completed completed)
+ (setq completed new-completed)
+ (gnus-message 7 "%3d%% completed..." completed)))
+ (let* ((entry (car dlist))
+ (article-number (nth 0 entry))
+ (fetch-date (nth 1 entry))
+ (keep (nth 2 entry))
+ (marker (nth 3 entry)))
+
+ (cond
+ ;; Kept articles are unread, marked, or special.
+ (keep
+ (gnus-agent-message 10
+ "gnus-agent-expire: %s:%d: Kept %s article%s."
+ decoded article-number keep (if fetch-date " and file" ""))
+ (when fetch-date
+ (unless (file-exists-p
+ (concat dir (number-to-string
+ article-number)))
+ (setf (nth 1 entry) nil)
+ (gnus-agent-message 3 "gnus-agent-expire cleared \
download flag on %s:%d as the cached article file is missing."
- group (caar dlist)))
- (unless marker
- (gnus-message 1 "gnus-agent-expire detected a \
+ decoded (caar dlist)))
+ (unless marker
+ (gnus-message 1 "gnus-agent-expire detected a \
missing NOV entry. Run gnus-agent-regenerate-group to restore it.")))
- (gnus-agent-append-to-list
- tail-alist
- (cons article-number fetch-date)))
-
- ;; The following articles are READ, UNMARKED, and
- ;; ORDINARY. See if they can be EXPIRED!!!
- ((setq type
- (cond
- ((not (integerp fetch-date))
- 'read) ;; never fetched article (may expire
- ;; right now)
- ((not (file-exists-p
- (concat dir (number-to-string
- article-number))))
- (setf (nth 1 entry) nil)
- 'externally-expired) ;; Can't find the cached
- ;; article. Handle case
- ;; as though this article
- ;; was never fetched.
-
- ;; We now have the arrival day, so we see
- ;; whether it's old enough to be expired.
- ((< fetch-date day)
- 'expired)
- (force
- 'forced)))
-
- ;; I found some reason to expire this entry.
-
- (let ((actions nil))
- (when (memq type '(forced expired))
- (ignore-errors ; Just being paranoid.
- (let ((file-name (concat dir (number-to-string
- article-number))))
- (incf (nth 2 stats) (nth 7 (file-attributes file-name)))
- (incf (nth 1 stats))
- (delete-file file-name))
- (push "expired cached article" actions))
- (setf (nth 1 entry) nil)
- )
-
- (when marker
- (push "NOV entry removed" actions)
- (goto-char marker)
-
- (incf (nth 0 stats))
-
- (let ((from (point-at-bol))
- (to (progn (forward-line 1) (point))))
- (incf (nth 2 stats) (- to from))
- (delete-region from to)))
-
- ;; If considering all articles is set, I can only
- ;; expire article IDs that are no longer in the
- ;; active range (That is, articles that preceed the
- ;; first article in the new alist).
- (if (and gnus-agent-consider-all-articles
- (>= article-number (car active)))
- ;; I have to keep this ID in the alist
- (gnus-agent-append-to-list
- tail-alist (cons article-number fetch-date))
- (push (format "Removed %s article number from \
+ (gnus-agent-append-to-list
+ tail-alist
+ (cons article-number fetch-date)))
+
+ ;; The following articles are READ, UNMARKED, and
+ ;; ORDINARY. See if they can be EXPIRED!!!
+ ((setq type
+ (cond
+ ((not (integerp fetch-date))
+ 'read) ;; never fetched article (may expire
+ ;; right now)
+ ((not (file-exists-p
+ (concat dir (number-to-string
+ article-number))))
+ (setf (nth 1 entry) nil)
+ 'externally-expired) ;; Can't find the cached
+ ;; article. Handle case
+ ;; as though this article
+ ;; was never fetched.
+
+ ;; We now have the arrival day, so we see
+ ;; whether it's old enough to be expired.
+ ((< fetch-date day)
+ 'expired)
+ (force
+ 'forced)))
+
+ ;; I found some reason to expire this entry.
+
+ (let ((actions nil))
+ (when (memq type '(forced expired))
+ (ignore-errors ; Just being paranoid.
+ (let* ((file-name (nnheader-concat dir (number-to-string
+ article-number)))
+ (size (float (nth 7 (file-attributes file-name)))))
+ (incf bytes-freed size)
+ (incf size-files-deleted size)
+ (incf files-deleted)
+ (delete-file file-name))
+ (push "expired cached article" actions))
+ (setf (nth 1 entry) nil)
+ )
+
+ (when marker
+ (push "NOV entry removed" actions)
+
+ (goto-char (if (markerp marker)
+ marker
+ (- marker position-offset)))
+
+ (incf nov-entries-deleted)
+
+ (let* ((from (point-at-bol))
+ (to (progn (forward-line 1) (point)))
+ (freed (- to from)))
+ (incf bytes-freed freed)
+ (incf position-offset freed)
+ (delete-region from to)))
+
+ ;; If considering all articles is set, I can only
+ ;; expire article IDs that are no longer in the
+ ;; active range (That is, articles that preceed the
+ ;; first article in the new alist).
+ (if (and gnus-agent-consider-all-articles
+ (>= article-number (car active)))
+ ;; I have to keep this ID in the alist
+ (gnus-agent-append-to-list
+ tail-alist (cons article-number fetch-date))
+ (push (format "Removed %s article number from \
article alist" type) actions))
- (when actions
- (gnus-agent-message 8 "gnus-agent-expire: %s:%d: %s"
- group article-number
- (mapconcat 'identity actions ", ")))))
- (t
- (gnus-agent-message
- 10 "gnus-agent-expire: %s:%d: Article kept as \
-expiration tests failed." group article-number)
- (gnus-agent-append-to-list
- tail-alist (cons article-number fetch-date)))
- )
-
- ;; Clean up markers as I want to recycle this buffer
- ;; over several groups.
- (when marker
- (set-marker marker nil))
-
- (setq dlist (cdr dlist))))
-
- (setq alist (cdr alist))
-
- (let ((inhibit-quit t))
- (unless (equal alist gnus-agent-article-alist)
- (setq gnus-agent-article-alist alist)
- (gnus-agent-save-alist group))
-
- (when (buffer-modified-p)
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (gnus-make-directory dir)
- (write-region (point-min) (point-max) nov-file nil
- 'silent)
- ;; clear the modified flag as that I'm not confused by
- ;; its status on the next pass through this routine.
- (set-buffer-modified-p nil)))
-
- (when (eq articles t)
- (gnus-summary-update-info))))))))
+ (when actions
+ (gnus-agent-message 8 "gnus-agent-expire: %s:%d: %s"
+ decoded article-number
+ (mapconcat 'identity actions ", ")))))
+ (t
+ (gnus-agent-message
+ 10 "gnus-agent-expire: %s:%d: Article kept as \
+expiration tests failed." decoded article-number)
+ (gnus-agent-append-to-list
+ tail-alist (cons article-number fetch-date)))
+ )
+
+ ;; Remove markers as I intend to reuse this buffer again.
+ (when (and marker
+ (markerp marker))
+ (set-marker marker nil))
+
+ (setq dlist (cdr dlist))))
+
+ (setq alist (cdr alist))
+
+ (let ((inhibit-quit t))
+ (unless (equal alist gnus-agent-article-alist)
+ (setq gnus-agent-article-alist alist)
+ (gnus-agent-save-alist group))
+
+ (when (buffer-modified-p)
+ (let ((coding-system-for-write
+ gnus-agent-file-coding-system))
+ (gnus-make-directory dir)
+ (write-region (point-min) (point-max) nov-file nil
+ 'silent)
+ ;; clear the modified flag as that I'm not confused by
+ ;; its status on the next pass through this routine.
+ (set-buffer-modified-p nil)
+ (gnus-agent-update-view-total-fetched-for group t)))
+
+ (when (eq articles t)
+ (gnus-summary-update-info))))
+
+ (when (boundp 'gnus-agent-expire-stats)
+ (let ((stats (symbol-value 'gnus-agent-expire-stats)))
+ (incf (nth 2 stats) bytes-freed)
+ (incf (nth 1 stats) files-deleted)
+ (incf (nth 0 stats) nov-entries-deleted)))
+
+ (gnus-agent-update-files-total-fetched-for group (- size-files-deleted)))))))
(defun gnus-agent-expire (&optional articles group force)
"Expire all old articles.
Setting GROUP will limit expiration to that group.
FORCE is equivalent to setting the expiration predicates to true."
(interactive)
-
+
(if group
(gnus-agent-expire-group group articles force)
(if (or (not (eq articles t))
(yes-or-no-p "Are you sure that you want to expire all \
-articles in every agentized group."))
+articles in every agentized group? "))
(let ((methods (gnus-agent-covered-methods))
;; Bind gnus-agent-expire-current-dirs to enable tracking
;; of agent directories.
gnus-command-method))
(let* ((active
(gnus-gethash-safe expiring-group orig)))
-
+
(when active
(save-excursion
(gnus-agent-expire-group-1
expiring-group overview active articles force))))))))
(kill-buffer overview))
(gnus-agent-expire-unagentized-dirs)
- (gnus-message 4 (gnus-agent-expire-done-message))))))
+ (gnus-message 4 "%s" (gnus-agent-expire-done-message))))))
(defun gnus-agent-expire-done-message ()
(if (and (> gnus-verbose 4)
units (cdr units)))
(format "Expiry recovered %d NOV entries, deleted %d files,\
- and freed %f %s."
- (nth 0 stats)
- (nth 1 stats)
+ and freed %f %s."
+ (nth 0 stats)
+ (nth 1 stats)
size (car units)))
"Expiry...done"))
;; compiler will not complain about free references.
(gnus-agent-expire-current-dirs
(symbol-value 'gnus-agent-expire-current-dirs))
- dir)
+ dir
+ (file-name-coding-system nnmail-pathname-coding-system))
(gnus-sethash gnus-agent-directory t keep)
(while gnus-agent-expire-current-dirs
(checker
(function
(lambda (d)
- "Given a directory, check it and its subdirectories for
- membership in the keep hash. If it isn't found, add
- it to to-remove."
+ "Given a directory, check it and its subdirectories for
+ membership in the keep hash. If it isn't found, add
+ it to to-remove."
(let ((files (directory-files d))
file)
(while (setq file (pop files))
nil)
((equal file "..") ; Ignore parent
nil)
- ((equal file ".overview")
+ ((equal file ".overview")
;; Directory must contain .overview to be
;; agent's cache of a group.
(let ((d (file-name-as-directory d))
d (directory-file-name d)))
;; if ANY ancestor was NOT in keep hash and
;; it it's already in to-remove, add it to
- ;; to-remove.
+ ;; to-remove.
(if (and r
(not (member r to-remove)))
(push r to-remove))))
(or gnus-expert-user
(gnus-y-or-n-p
"gnus-agent-expire has identified local directories that are\
- not currently required by any agentized group. Do you wish to consider\
+ not currently required by any agentized group. Do you wish to consider\
deleting them?")))
(while to-remove
(let ((dir (pop to-remove)))
- (if (gnus-y-or-n-p (format "Delete %s? " dir))
+ (if (or gnus-expert-user
+ (gnus-y-or-n-p (format "Delete %s? " dir)))
(let* (delete-recursive
+ files f
(delete-recursive
(function
(lambda (f-or-d)
(condition-case nil
(delete-directory f-or-d)
(file-error
- (mapcar (lambda (f)
- (or (member f '("." ".."))
- (funcall delete-recursive
- (nnheader-concat
- f-or-d f))))
- (directory-files f-or-d))
+ (setq files (directory-files f-or-d))
+ (while files
+ (setq f (pop files))
+ (or (member f '("." ".."))
+ (funcall delete-recursive
+ (nnheader-concat
+ f-or-d f))))
(delete-directory f-or-d)))
(delete-file f-or-d)))))))
(funcall delete-recursive dir))))))))))
(defun gnus-agent-uncached-articles (articles group &optional cached-header)
"Restrict ARTICLES to numbers already fetched.
-Returns a sublist of ARTICLES that excludes thos article ids in GROUP
+Returns a sublist of ARTICLES that excludes those article ids in GROUP
that have already been fetched.
If CACHED-HEADER is nil, articles are only excluded if the article itself
has been fetched."
(save-excursion
(gnus-agent-create-buffer)
(let ((gnus-decode-encoded-word-function 'identity)
+ (gnus-decode-encoded-address-function 'identity)
(file (gnus-agent-article-name ".overview" group))
- cached-articles uncached-articles)
+ cached-articles uncached-articles
+ (file-name-coding-system nnmail-pathname-coding-system))
(gnus-make-directory (nnheader-translate-file-chars
(file-name-directory file) t))
(erase-buffer)
(cond ((not (eq 'nov (let (gnus-agent) ; Turn off agent
(gnus-retrieve-headers
- uncached-articles group fetch-old))))
+ uncached-articles group))))
(nnvirtual-convert-headers))
((eq 'nntp (car gnus-current-select-method))
;; The author of gnus-get-newsgroup-headers-xover
;; Get the list of articles that were fetched
(goto-char (point-min))
- (let ((pm (point-max)))
+ (let ((pm (point-max))
+ art)
(while (< (point) pm)
- (when (looking-at "[0-9]+\t")
- (gnus-agent-append-to-list
- tail-fetched-articles
- (read (current-buffer))))
+ (when (setq art (gnus-agent-read-article-number))
+ (gnus-agent-append-to-list tail-fetched-articles art))
(forward-line 1)))
;; Clip this list to the headers that will
(set-buffer nntp-server-buffer)
(copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
- ;; Merge the temp buffer with the known headers (found on
- ;; disk in FILE) into the nntp-server-buffer
- (when (and uncached-articles (file-exists-p file))
+ ;; Merge the temp buffer with the known headers (found on
+ ;; disk in FILE) into the nntp-server-buffer
+ (when uncached-articles
(gnus-agent-braid-nov group uncached-articles file))
- ;; Save the new set of known headers to FILE
+ ;; Save the new set of known headers to FILE
(set-buffer nntp-server-buffer)
(let ((coding-system-for-write
gnus-agent-file-coding-system))
(gnus-agent-check-overview-buffer)
(write-region (point-min) (point-max) file nil 'silent))
+ (gnus-agent-update-view-total-fetched-for group t)
+
;; Update the group's article alist to include the newly
;; fetched articles.
(gnus-agent-load-alist group)
(numberp article))
(let* ((gnus-command-method (gnus-find-method-for-group group))
(file (gnus-agent-article-name (number-to-string article) group))
- (buffer-read-only nil))
+ (buffer-read-only nil)
+ (file-name-coding-system nnmail-pathname-coding-system))
(when (and (file-exists-p file)
(> (nth 7 (file-attributes file)) 0))
(erase-buffer)
the articles' current headers.
If REREAD is not nil, downloaded articles are marked as unread."
(interactive
- (list (let ((def (or (gnus-group-group-name)
- gnus-newsgroup-name)))
- (let ((select (read-string (if def
- (concat "Group Name ("
- def "): ")
- "Group Name: "))))
- (if (and (equal "" select)
- def)
- def
- select)))
+ (list (gnus-agent-read-group)
(catch 'mark
(while (let (c
(cursor-in-echo-area t)
(gnus-message 3 "Ignoring unexpected input")
(sit-for 1)
t)))))
-
(when group
- (gnus-message 5 "Regenerating in %s" group)
- (let* ((gnus-command-method (or gnus-command-method
- (gnus-find-method-for-group group)))
- (file (gnus-agent-article-name ".overview" group))
- (dir (file-name-directory file))
- point
- (downloaded (if (file-exists-p dir)
- (sort (mapcar (lambda (name) (string-to-int name))
- (directory-files dir nil "^[0-9]+$" t))
- '>)
- (progn (gnus-make-directory dir) nil)))
- dl nov-arts
- alist header
- regenerated)
-
- (mm-with-unibyte-buffer
- (if (file-exists-p file)
- (let ((nnheader-file-coding-system
- gnus-agent-file-coding-system))
- (nnheader-insert-file-contents file)))
- (set-buffer-modified-p nil)
-
- ;; Load the article IDs found in the overview file. As a
- ;; side-effect, validate the file contents.
- (let ((load t))
- (while load
- (setq load nil)
- (goto-char (point-min))
- (while (< (point) (point-max))
- (cond ((and (looking-at "[0-9]+\t")
- (<= (- (match-end 0) (match-beginning 0)) 9))
- (push (read (current-buffer)) nov-arts)
- (forward-line 1)
- (let ((l1 (car nov-arts))
- (l2 (cadr nov-arts)))
- (cond ((and (listp reread) (memq l1 reread))
- (gnus-delete-line)
- (setq nov-arts (cdr nov-arts))
- (gnus-message 4 "gnus-agent-regenerate-group: NOV\
-entry of article %s deleted." l1))
- ((not l2)
- nil)
- ((< l1 l2)
- (gnus-message 3 "gnus-agent-regenerate-group: NOV\
+ (gnus-message 5 "Regenerating in %s" (gnus-agent-decoded-group-name group))
+ (let* ((gnus-command-method (or gnus-command-method
+ (gnus-find-method-for-group group)))
+ (file (gnus-agent-article-name ".overview" group))
+ (dir (file-name-directory file))
+ point
+ (file-name-coding-system nnmail-pathname-coding-system)
+ (downloaded (if (file-exists-p dir)
+ (sort (delq nil (mapcar (lambda (name)
+ (and (not (file-directory-p (nnheader-concat dir name)))
+ (string-to-number name)))
+ (directory-files dir nil "^[0-9]+$" t)))
+ '>)
+ (progn (gnus-make-directory dir) nil)))
+ dl nov-arts
+ alist header
+ regenerated)
+
+ (mm-with-unibyte-buffer
+ (if (file-exists-p file)
+ (let ((nnheader-file-coding-system
+ gnus-agent-file-coding-system))
+ (nnheader-insert-file-contents file)))
+ (set-buffer-modified-p nil)
+
+ ;; Load the article IDs found in the overview file. As a
+ ;; side-effect, validate the file contents.
+ (let ((load t))
+ (while load
+ (setq load nil)
+ (goto-char (point-min))
+ (while (< (point) (point-max))
+ (cond ((and (looking-at "[0-9]+\t")
+ (<= (- (match-end 0) (match-beginning 0)) 9))
+ (push (read (current-buffer)) nov-arts)
+ (forward-line 1)
+ (let ((l1 (car nov-arts))
+ (l2 (cadr nov-arts)))
+ (cond ((and (listp reread) (memq l1 reread))
+ (gnus-delete-line)
+ (setq nov-arts (cdr nov-arts))
+ (gnus-message 4 "gnus-agent-regenerate-group: NOV\
+ entry of article %s deleted." l1))
+ ((not l2)
+ nil)
+ ((< l1 l2)
+ (gnus-message 3 "gnus-agent-regenerate-group: NOV\
entries are NOT in ascending order.")
- ;; Don't sort now as I haven't verified
- ;; that every line begins with a number
- (setq load t))
- ((= l1 l2)
- (forward-line -1)
- (gnus-message 4 "gnus-agent-regenerate-group: NOV\
+ ;; Don't sort now as I haven't verified
+ ;; that every line begins with a number
+ (setq load t))
+ ((= l1 l2)
+ (forward-line -1)
+ (gnus-message 4 "gnus-agent-regenerate-group: NOV\
entries contained duplicate of article %s. Duplicate deleted." l1)
- (gnus-delete-line)
- (setq nov-arts (cdr nov-arts))))))
- (t
- (gnus-message 1 "gnus-agent-regenerate-group: NOV\
+ (gnus-delete-line)
+ (setq nov-arts (cdr nov-arts))))))
+ (t
+ (gnus-message 1 "gnus-agent-regenerate-group: NOV\
entries contained line that did not begin with an article number. Deleted\
line.")
- (gnus-delete-line))))
- (when load
- (gnus-message 5 "gnus-agent-regenerate-group: Sorting NOV\
+ (gnus-delete-line))))
+ (when load
+ (gnus-message 5 "gnus-agent-regenerate-group: Sorting NOV\
entries into ascending order.")
- (sort-numeric-fields 1 (point-min) (point-max))
- (setq nov-arts nil))))
- (gnus-agent-check-overview-buffer)
-
- ;; Construct a new article alist whose nodes match every header
- ;; in the .overview file. As a side-effect, missing headers are
- ;; reconstructed from the downloaded article file.
- (while (or downloaded nov-arts)
- (cond ((and downloaded
- (or (not nov-arts)
- (> (car downloaded) (car nov-arts))))
- ;; This entry is missing from the overview file
- (gnus-message 3 "Regenerating NOV %s %d..." group
- (car downloaded))
- (let ((file (concat dir (number-to-string (car downloaded)))))
- (mm-with-unibyte-buffer
- (nnheader-insert-file-contents file)
- (nnheader-remove-body)
- (setq header (nnheader-parse-naked-head)))
- (mail-header-set-number header (car downloaded))
- (if nov-arts
- (let ((key (concat "^" (int-to-string (car nov-arts))
- "\t")))
- (or (re-search-backward key nil t)
- (re-search-forward key))
- (forward-line 1))
- (goto-char (point-min)))
- (nnheader-insert-nov header))
- (setq nov-arts (cons (car downloaded) nov-arts)))
- ((eq (car downloaded) (car nov-arts))
- ;; This entry in the overview has been downloaded
- (push (cons (car downloaded)
- (time-to-days
- (nth 5 (file-attributes
- (concat dir (number-to-string
- (car downloaded))))))) alist)
- (setq downloaded (cdr downloaded))
- (setq nov-arts (cdr nov-arts)))
- (t
- ;; This entry in the overview has not been downloaded
- (push (cons (car nov-arts) nil) alist)
- (setq nov-arts (cdr nov-arts)))))
-
- ;; When gnus-agent-consider-all-articles is set,
- ;; gnus-agent-regenerate-group should NOT remove article IDs from
- ;; the alist. Those IDs serve as markers to indicate that an
- ;; attempt has been made to fetch that article's header.
-
- ;; When gnus-agent-consider-all-articles is NOT set,
- ;; gnus-agent-regenerate-group can remove the article ID of every
- ;; article (with the exception of the last ID in the list - it's
- ;; special) that no longer appears in the overview. In this
- ;; situtation, the last article ID in the list implies that it,
- ;; and every article ID preceeding it, have been fetched from the
- ;; server.
-
- (if gnus-agent-consider-all-articles
- ;; Restore all article IDs that were not found in the overview file.
- (let* ((n (cons nil alist))
- (merged n)
- (o (gnus-agent-load-alist group)))
- (while o
- (let ((nID (caadr n))
- (oID (caar o)))
- (cond ((not nID)
- (setq n (setcdr n (list (list oID))))
- (setq o (cdr o)))
- ((< oID nID)
- (setcdr n (cons (list oID) (cdr n)))
- (setq o (cdr o)))
- ((= oID nID)
- (setq o (cdr o))
- (setq n (cdr n)))
- (t
- (setq n (cdr n))))))
- (setq alist (cdr merged)))
- ;; Restore the last article ID if it is not already in the new alist
- (let ((n (last alist))
- (o (last (gnus-agent-load-alist group))))
- (cond ((not o)
- nil)
- ((not n)
- (push (cons (caar o) nil) alist))
- ((< (caar n) (caar o))
- (setcdr n (list (car o)))))))
-
- (let ((inhibit-quit t))
- (if (setq regenerated (buffer-modified-p))
- (let ((coding-system-for-write gnus-agent-file-coding-system))
- (write-region (point-min) (point-max) file nil 'silent)))
-
- (setq regenerated (or regenerated
- (and reread gnus-agent-article-alist)
- (not (equal alist gnus-agent-article-alist))))
-
- (setq gnus-agent-article-alist alist)
-
- (when regenerated
- (gnus-agent-save-alist group)
-
- ;; I have to alter the group's active range NOW as
- ;; gnus-make-ascending-articles-unread will use it to
- ;; recalculate the number of unread articles in the group
-
- (let ((group (gnus-group-real-name group))
- (group-active (gnus-active group)))
- (gnus-agent-possibly-alter-active group group-active)))))
-
- (when (and reread gnus-agent-article-alist)
- (gnus-make-ascending-articles-unread
- group
- (if (listp reread)
- reread
- (delq nil (mapcar (function (lambda (c)
- (cond ((eq reread t)
- (car c))
- ((cdr c)
- (car c)))))
- gnus-agent-article-alist))))
-
- (when (gnus-buffer-live-p gnus-group-buffer)
- (gnus-group-update-group group t)
- (sit-for 0)))
-
- (gnus-message 5 nil)
- regenerated)))
+ (sort-numeric-fields 1 (point-min) (point-max))
+ (setq nov-arts nil))))
+ (gnus-agent-check-overview-buffer)
+
+ ;; Construct a new article alist whose nodes match every header
+ ;; in the .overview file. As a side-effect, missing headers are
+ ;; reconstructed from the downloaded article file.
+ (while (or downloaded nov-arts)
+ (cond ((and downloaded
+ (or (not nov-arts)
+ (> (car downloaded) (car nov-arts))))
+ ;; This entry is missing from the overview file
+ (gnus-message 3 "Regenerating NOV %s %d..."
+ (gnus-agent-decoded-group-name group)
+ (car downloaded))
+ (let ((file (concat dir (number-to-string (car downloaded)))))
+ (mm-with-unibyte-buffer
+ (nnheader-insert-file-contents file)
+ (nnheader-remove-body)
+ (setq header (nnheader-parse-naked-head)))
+ (mail-header-set-number header (car downloaded))
+ (if nov-arts
+ (let ((key (concat "^" (int-to-string (car nov-arts))
+ "\t")))
+ (or (re-search-backward key nil t)
+ (re-search-forward key))
+ (forward-line 1))
+ (goto-char (point-min)))
+ (nnheader-insert-nov header))
+ (setq nov-arts (cons (car downloaded) nov-arts)))
+ ((eq (car downloaded) (car nov-arts))
+ ;; This entry in the overview has been downloaded
+ (push (cons (car downloaded)
+ (time-to-days
+ (nth 5 (file-attributes
+ (concat dir (number-to-string
+ (car downloaded))))))) alist)
+ (setq downloaded (cdr downloaded))
+ (setq nov-arts (cdr nov-arts)))
+ (t
+ ;; This entry in the overview has not been downloaded
+ (push (cons (car nov-arts) nil) alist)
+ (setq nov-arts (cdr nov-arts)))))
+
+ ;; When gnus-agent-consider-all-articles is set,
+ ;; gnus-agent-regenerate-group should NOT remove article IDs from
+ ;; the alist. Those IDs serve as markers to indicate that an
+ ;; attempt has been made to fetch that article's header.
+
+ ;; When gnus-agent-consider-all-articles is NOT set,
+ ;; gnus-agent-regenerate-group can remove the article ID of every
+ ;; article (with the exception of the last ID in the list - it's
+ ;; special) that no longer appears in the overview. In this
+ ;; situtation, the last article ID in the list implies that it,
+ ;; and every article ID preceeding it, have been fetched from the
+ ;; server.
+
+ (if gnus-agent-consider-all-articles
+ ;; Restore all article IDs that were not found in the overview file.
+ (let* ((n (cons nil alist))
+ (merged n)
+ (o (gnus-agent-load-alist group)))
+ (while o
+ (let ((nID (caadr n))
+ (oID (caar o)))
+ (cond ((not nID)
+ (setq n (setcdr n (list (list oID))))
+ (setq o (cdr o)))
+ ((< oID nID)
+ (setcdr n (cons (list oID) (cdr n)))
+ (setq o (cdr o)))
+ ((= oID nID)
+ (setq o (cdr o))
+ (setq n (cdr n)))
+ (t
+ (setq n (cdr n))))))
+ (setq alist (cdr merged)))
+ ;; Restore the last article ID if it is not already in the new alist
+ (let ((n (last alist))
+ (o (last (gnus-agent-load-alist group))))
+ (cond ((not o)
+ nil)
+ ((not n)
+ (push (cons (caar o) nil) alist))
+ ((< (caar n) (caar o))
+ (setcdr n (list (car o)))))))
+
+ (let ((inhibit-quit t))
+ (if (setq regenerated (buffer-modified-p))
+ (let ((coding-system-for-write gnus-agent-file-coding-system))
+ (write-region (point-min) (point-max) file nil 'silent)))
+
+ (setq regenerated (or regenerated
+ (and reread gnus-agent-article-alist)
+ (not (equal alist gnus-agent-article-alist))))
+
+ (setq gnus-agent-article-alist alist)
+
+ (when regenerated
+ (gnus-agent-save-alist group)
+
+ ;; I have to alter the group's active range NOW as
+ ;; gnus-make-ascending-articles-unread will use it to
+ ;; recalculate the number of unread articles in the group
+
+ (let ((group (gnus-group-real-name group))
+ (group-active (or (gnus-active group)
+ (gnus-activate-group group))))
+ (gnus-agent-possibly-alter-active group group-active)))))
+
+ (when (and reread gnus-agent-article-alist)
+ (gnus-agent-synchronize-group-flags
+ group
+ (list (list
+ (if (listp reread)
+ reread
+ (delq nil (mapcar (function (lambda (c)
+ (cond ((eq reread t)
+ (car c))
+ ((cdr c)
+ (car c)))))
+ gnus-agent-article-alist)))
+ 'del '(read)))
+ gnus-command-method)
+
+ (when regenerated
+ (gnus-agent-update-files-total-fetched-for group nil)))
+
+ (gnus-message 5 "")
+ regenerated)))
;;;###autoload
(defun gnus-agent-regenerate (&optional clean reread)
(defun gnus-agent-group-covered-p (group)
(gnus-agent-method-p (gnus-group-method group)))
-(add-hook 'gnus-group-prepare-hook
- (lambda ()
- 'gnus-agent-do-once
-
- (when (listp gnus-agent-expire-days)
- (beep)
- (beep)
- (gnus-message 1 "WARNING: gnus-agent-expire-days no longer\
- supports being set to a list.")(sleep-for 3)
- (gnus-message 1 "Change your configuration to set it to an\
- integer.")(sleep-for 3)
- (gnus-message 1 "I am now setting group parameters on each\
- group to match the configuration that the list offered.")
-
- (save-excursion
- (let ((groups (gnus-group-listed-groups)))
- (while groups
- (let* ((group (pop groups))
- (days gnus-agent-expire-days)
- (day (catch 'found
- (while days
- (when (eq 0 (string-match
- (caar days)
- group))
- (throw 'found (cadar days)))
- (setq days (cdr days)))
- nil)))
- (when day
- (gnus-group-set-parameter group 'agent-days-until-old
- day))))))
-
- (let ((h gnus-group-prepare-hook))
- (while h
- (let ((func (pop h)))
- (when (and (listp func)
- (eq (cadr (caddr func)) 'gnus-agent-do-once))
- (remove-hook 'gnus-group-prepare-hook func)
- (setq h nil)))))
-
- (gnus-message 1 "I have finished setting group parameters on\
- each group. You may now customize your groups and/or topics to control the\
- agent."))))
+(defun gnus-agent-update-files-total-fetched-for
+ (group delta &optional method path)
+ "Update, or set, the total disk space used by the articles that the
+agent has fetched."
+ (when gnus-agent-total-fetched-hashtb
+ (gnus-agent-with-refreshed-group
+ group
+ ;; if null, gnus-agent-group-pathname will calc method.
+ (let* ((gnus-command-method method)
+ (path (or path (gnus-agent-group-pathname group)))
+ (entry (or (gnus-gethash path gnus-agent-total-fetched-hashtb)
+ (gnus-sethash path (make-list 3 0)
+ gnus-agent-total-fetched-hashtb)))
+ (file-name-coding-system nnmail-pathname-coding-system))
+ (when (listp delta)
+ (if delta
+ (let ((sum 0.0)
+ file)
+ (while (setq file (pop delta))
+ (incf sum (float (or (nth 7 (file-attributes
+ (nnheader-concat
+ path
+ (if (numberp file)
+ (number-to-string file)
+ file)))) 0))))
+ (setq delta sum))
+ (let ((sum (- (nth 2 entry)))
+ (info (directory-files-and-attributes path nil "^-?[0-9]+$" t))
+ file)
+ (while (setq file (pop info))
+ (incf sum (float (or (nth 8 file) 0))))
+ (setq delta sum))))
+
+ (setq gnus-agent-need-update-total-fetched-for t)
+ (incf (nth 2 entry) delta)))))
+
+(defun gnus-agent-update-view-total-fetched-for
+ (group agent-over &optional method path)
+ "Update, or set, the total disk space used by the .agentview and
+.overview files. These files are calculated separately as they can be
+modified."
+ (when gnus-agent-total-fetched-hashtb
+ (gnus-agent-with-refreshed-group
+ group
+ ;; if null, gnus-agent-group-pathname will calc method.
+ (let* ((gnus-command-method method)
+ (path (or path (gnus-agent-group-pathname group)))
+ (entry (or (gnus-gethash path gnus-agent-total-fetched-hashtb)
+ (gnus-sethash path (make-list 3 0)
+ gnus-agent-total-fetched-hashtb)))
+ (file-name-coding-system nnmail-pathname-coding-system)
+ (size (or (nth 7 (file-attributes
+ (nnheader-concat
+ path (if agent-over
+ ".overview"
+ ".agentview"))))
+ 0)))
+ (setq gnus-agent-need-update-total-fetched-for t)
+ (setf (nth (if agent-over 1 0) entry) size)))))
+
+(defun gnus-agent-total-fetched-for (group &optional method no-inhibit)
+ "Get the total disk space used by the specified GROUP."
+ (unless (equal group "dummy.group")
+ (unless gnus-agent-total-fetched-hashtb
+ (setq gnus-agent-total-fetched-hashtb (gnus-make-hashtable 1024)))
+
+ ;; if null, gnus-agent-group-pathname will calc method.
+ (let* ((gnus-command-method method)
+ (path (gnus-agent-group-pathname group))
+ (entry (gnus-gethash path gnus-agent-total-fetched-hashtb)))
+ (if entry
+ (apply '+ entry)
+ (let ((gnus-agent-inhibit-update-total-fetched-for (not no-inhibit)))
+ (+
+ (gnus-agent-update-view-total-fetched-for group nil method path)
+ (gnus-agent-update-view-total-fetched-for group t method path)
+ (gnus-agent-update-files-total-fetched-for group nil method path)))))))
(provide 'gnus-agent)
projects / gnus / blobdiff