(defcustom gnus-agent-fetched-hook nil
"Hook run when finished fetching articles."
+ :version "21.4"
: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."
:version "21.1"
(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))
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 "21.4"
:type 'boolean
:group 'gnus-agent)
"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 "21.4"
:type '(repeat symbol)
:group 'gnus-agent)
(gnus-agent-cat-defaccessor
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)
(interactive)
(save-excursion
(dolist (gnus-command-method (gnus-agent-covered-methods))
- (when (file-exists-p (gnus-agent-lib-file "flags"))
+ (when (and (file-exists-p (gnus-agent-lib-file "flags"))
+ (not (eq (gnus-server-status gnus-command-method) 'offline)))
(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)
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)))
;;; 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)))))))))
+ nil))
+
(defun gnus-agent-save-active (method)
(when (gnus-agent-method-p method)
(let* ((gnus-command-method method)
;; 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."
(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))))
+ (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))
(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)))
(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
;; 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)
(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 unfortunite 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
- (point) (progn (forward-line 1) (point)))
- nil)
- (t
- (beginning-of-line)
- nil))))
-
- (gnus-agent-copy-nov-line (pop articles)))))
-
- ;; Copy the rest lines
- (set-buffer nntp-server-buffer)
+ (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))))
+
+ (gnus-agent-copy-nov-line (pop articles)))))
+
(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))
+ (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))
+ (t
+ ;; Good art num
+ (setq last art)
+ (forward-line 1))))
+ (when sort
+ (sort-numeric-fields 1 (point-min) (point-max)))))))
;; Keeps the compiler from warning about the free variable in
;; gnus-agent-read-agentview.
(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."
;; 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
;; 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))
+ (when uncached-articles
(gnus-agent-braid-nov group uncached-articles file))
;; Save the new set of known headers to FILE
(defun gnus-agent-group-covered-p (group)
(gnus-agent-method-p (gnus-group-method group)))
+;; 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)))))
+
(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
(gnus-sethash path (make-list 3 0)
gnus-agent-total-fetched-hashtb))))
(when (listp delta)
- (unless delta
- (setq delta (directory-files path nil "^-?[0-9]+$" t)))
-
- (let ((sum 0.0)
- file)
- (while (setq file (pop delta))
- (incf sum (float (or (nth 7 (file-attributes
- (nnheader-concat
- path
- (if (numberp file)
- (number-to-string file)
- file)))) 0))))
- (setq delta sum)))
+ (if delta
+ (let ((sum 0.0)
+ file)
+ (while (setq file (pop delta))
+ (incf sum (float (or (nth 7 (file-attributes
+ (nnheader-concat
+ path
+ (if (numberp file)
+ (number-to-string file)
+ file)))) 0))))
+ (setq delta sum))
+ (let ((sum 0.0)
+ (info (directory-files-and-attributes path nil "^-?[0-9]+$" 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)))))
projects / gnus / blobdiff