- (while (not (eobp))
- (skip-chars-forward "^\t")
- (if (> (read (current-buffer)) day)
- ;; New article; we don't expire it.
- (forward-line 1)
- ;; Old article. Schedule it for possible nuking.
- (while (not (eolp))
- (setq sym (let ((obarray expiry-hashtb))
- (read (current-buffer))))
- (if (boundp sym)
- (set sym (cons (cons (read (current-buffer)) (point))
- (symbol-value sym)))
- (set sym (list (cons (read (current-buffer)) (point)))))
- (skip-chars-forward " "))
- (forward-line 1)))
- ;; We now have all articles that can possibly be expired.
- (mapatoms
- (lambda (sym)
- (setq group (symbol-name sym)
- articles (sort (symbol-value sym) 'car-less-than-car)
- low (car (gnus-active group))
- info (gnus-get-info group)
- unreads (ignore-errors (gnus-list-of-unread-articles group))
- marked (nconc (gnus-uncompress-range
- (cdr (assq 'ticked (gnus-info-marks info))))
- (gnus-uncompress-range
- (cdr (assq 'dormant (gnus-info-marks info)))))
- nov-file (gnus-agent-article-name ".overview" group))
- (gnus-message 5 "Expiring articles in %s" group)
- (set-buffer overview)
- (erase-buffer)
- (when (file-exists-p nov-file)
- (insert-file-contents nov-file))
- (goto-char (point-min))
- (while (setq elem (pop articles))
- (setq article (car elem))
- (when (or (null low)
- (< article low)
- gnus-agent-expire-all
- (and (not (memq article unreads))
- (not (memq article marked))))
- ;; Find and nuke the NOV line.
- (while (and (not (eobp))
- (< (setq art (read (current-buffer))) article))
- (forward-line 1))
- (if (or (eobp)
- (/= art article))
- (beginning-of-line)
- (gnus-delete-line))
- ;; Nuke the article.
- (when (file-exists-p (setq file (gnus-agent-article-name
- (number-to-string article)
- group)))
- (delete-file file))
- ;; Schedule the history line for nuking.
- (push (cdr elem) histories)))
- (write-region (point-min) (point-max) nov-file nil 'silent))
- expiry-hashtb)
- (set-buffer history)
- (setq histories (nreverse (sort histories '<)))
- (while histories
- (goto-char (pop histories))
- (gnus-delete-line))
- (gnus-agent-save-history)
- (gnus-agent-close-history))
- (gnus-message 4 "Expiry...done"))))
+ (when (> (buffer-size) 1)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (skip-chars-forward "^\t")
+ (if (> (read (current-buffer)) day)
+ ;; New article; we don't expire it.
+ (forward-line 1)
+ ;; Old article. Schedule it for possible nuking.
+ (while (not (eolp))
+ (setq sym (let ((obarray expiry-hashtb))
+ (read (current-buffer))))
+ (if (boundp sym)
+ (set sym (cons (cons (read (current-buffer)) (point))
+ (symbol-value sym)))
+ (set sym (list (cons (read (current-buffer)) (point)))))
+ (skip-chars-forward " "))
+ (forward-line 1)))
+ ;; We now have all articles that can possibly be expired.
+ (mapatoms
+ (lambda (sym)
+ (setq group (symbol-name sym)
+ articles (sort (symbol-value sym) 'car-less-than-car)
+ low (car (gnus-active group))
+ info (gnus-get-info group)
+ unreads (ignore-errors (gnus-list-of-unread-articles group))
+ marked (nconc (gnus-uncompress-range
+ (cdr (assq 'tick (gnus-info-marks info))))
+ (gnus-uncompress-range
+ (cdr (assq 'dormant
+ (gnus-info-marks info)))))
+ nov-file (gnus-agent-article-name ".overview" group)
+ lowest nil
+ highest nil)
+ (gnus-agent-load-alist group)
+ (gnus-message 5 "Expiring articles in %s" group)
+ (set-buffer overview)
+ (erase-buffer)
+ (when (file-exists-p nov-file)
+ (mm-insert-file-contents nov-file))
+ (goto-char (point-min))
+ (setq article 0)
+ (while (setq elem (pop articles))
+ (setq article (car elem))
+ (when (or (null low)
+ (< article low)
+ gnus-agent-expire-all
+ (and (not (memq article unreads))
+ (not (memq article marked))))
+ ;; Find and nuke the NOV line.
+ (while (and (not (eobp))
+ (or (not (numberp
+ (setq art (read (current-buffer)))))
+ (< art article)))
+ (if (file-exists-p
+ (gnus-agent-article-name
+ (number-to-string art) group))
+ (progn
+ (unless lowest
+ (setq lowest art))
+ (setq highest art)
+ (forward-line 1))
+ ;; Remove old NOV lines that have no articles.
+ (gnus-delete-line)))
+ (if (or (eobp)
+ (/= art article))
+ (beginning-of-line)
+ (gnus-delete-line))
+ ;; Nuke the article.
+ (when (file-exists-p (setq file (gnus-agent-article-name
+ (number-to-string article)
+ group)))
+ (delete-file file))
+ ;; Schedule the history line for nuking.
+ (push (cdr elem) histories)))
+ (gnus-make-directory (file-name-directory nov-file))
+ (let ((coding-system-for-write
+ gnus-agent-file-coding-system))
+ (write-region (point-min) (point-max) nov-file nil 'silent))
+ ;; Delete the unwanted entries in the alist.
+ (setq gnus-agent-article-alist
+ (sort gnus-agent-article-alist 'car-less-than-car))
+ (let* ((alist gnus-agent-article-alist)
+ (prev (cons nil alist))
+ (first prev)
+ expired)
+ (while (and alist
+ (<= (caar alist) article))
+ (if (or (not (cdar alist))
+ (not (file-exists-p
+ (gnus-agent-article-name
+ (number-to-string
+ (caar alist))
+ group))))
+ (progn
+ (push (caar alist) expired)
+ (setcdr prev (setq alist (cdr alist))))
+ (setq prev alist
+ alist (cdr alist))))
+ (setq gnus-agent-article-alist (cdr first))
+ (gnus-agent-save-alist group)
+ ;; Mark all articles up to the first article
+ ;; in `gnus-article-alist' as read.
+ (when (and info (caar gnus-agent-article-alist))
+ (setcar (nthcdr 2 info)
+ (gnus-range-add
+ (nth 2 info)
+ (cons 1 (- (caar gnus-agent-article-alist) 1)))))
+ ;; Maybe everything has been expired from `gnus-article-alist'
+ ;; and so the above marking as read could not be conducted,
+ ;; or there are expired article within the range of the alist.
+ (when (and info
+ expired
+ (or (not (caar gnus-agent-article-alist))
+ (> (car expired)
+ (caar gnus-agent-article-alist))))
+ (setcar (nthcdr 2 info)
+ (gnus-add-to-range
+ (nth 2 info)
+ (nreverse expired))))
+ (gnus-dribble-enter
+ (concat "(gnus-group-set-info '"
+ (gnus-prin1-to-string info)
+ ")")))
+ (when lowest
+ (if (gnus-gethash group orig)
+ (setcar (gnus-gethash group orig) lowest)
+ (gnus-sethash group (cons lowest highest) orig))))
+ expiry-hashtb)
+ (set-buffer history)
+ (setq histories (nreverse (sort histories '<)))
+ (while histories
+ (goto-char (pop histories))
+ (gnus-delete-line))
+ (gnus-agent-save-history)
+ (gnus-agent-close-history)
+ (gnus-write-active-file
+ (gnus-agent-lib-file "active") orig))
+ (gnus-message 4 "Expiry...done"))))))