- (when (and (not nnml-marks-is-evil) (nnml-marks-changed-p group))
- (nnheader-message 8 "Updating marks for %s..." group)
- (nnml-open-marks group server)
- ;; Update info using `nnml-marks'.
- (mapc (lambda (pred)
- (unless (memq (cdr pred) gnus-article-unpropagated-mark-lists)
- (gnus-info-set-marks
- info
- (gnus-update-alist-soft
- (cdr pred)
- (cdr (assq (cdr pred) nnml-marks))
- (gnus-info-marks info))
- t)))
- gnus-article-mark-lists)
- (let ((seen (cdr (assq 'read nnml-marks))))
- (gnus-info-set-read info
- (if (and (integerp (car seen))
- (null (cdr seen)))
- (list (cons (car seen) (car seen)))
- seen)))
- (nnheader-message 8 "Updating marks for %s...done" group))
- info)
-
-(defun nnml-marks-changed-p (group)
- (let ((file (expand-file-name nnml-marks-file-name
- (nnmail-group-pathname group nnml-directory))))
- (if (null (gnus-gethash file nnml-marks-modtime))
- t ;; never looked at marks file, assume it has changed
- (not (equal (gnus-gethash file nnml-marks-modtime)
- (nth 5 (file-attributes file)))))))
-
-(defun nnml-save-marks (group server)
- (let ((file-name-coding-system nnmail-pathname-coding-system)
- (file (expand-file-name nnml-marks-file-name
- (nnmail-group-pathname group nnml-directory))))
- (condition-case err
- (progn
- (nnml-possibly-create-directory group)
- (with-temp-file file
- (erase-buffer)
- (gnus-prin1 nnml-marks)
- (insert "\n"))
- (gnus-sethash file
- (nth 5 (file-attributes file))
- nnml-marks-modtime))
- (error (or (gnus-yes-or-no-p
- (format "Could not write to %s (%s). Continue? " file err))
- (error "Cannot write to %s (%s)" file err))))))
-
-(defun nnml-open-marks (group server)
- (let ((file (expand-file-name
- nnml-marks-file-name
- (nnmail-group-pathname group nnml-directory))))
- (if (file-exists-p file)
- (condition-case err
- (with-temp-buffer
- (gnus-sethash file (nth 5 (file-attributes file))
- nnml-marks-modtime)
- (nnheader-insert-file-contents file)
- (setq nnml-marks (read (current-buffer)))
- (dolist (el gnus-article-unpropagated-mark-lists)
- (setq nnml-marks (gnus-remassoc el nnml-marks))))
- (error (or (gnus-yes-or-no-p
- (format "Error reading nnml marks file %s (%s). Continuing will use marks from .newsrc.eld. Continue? " file err))
- (error "Cannot read nnml marks file %s (%s)" file err))))
- ;; User didn't have a .marks file. Probably first time
- ;; user of the .marks stuff. Bootstrap it from .newsrc.eld.
- (let ((info (gnus-get-info
- (gnus-group-prefixed-name
- group
- (gnus-server-to-method (format "nnml:%s" server))))))
- (nnheader-message 7 "Bootstrapping marks for %s..." group)
- (setq nnml-marks (gnus-info-marks info))
- (push (cons 'read (gnus-info-read info)) nnml-marks)
- (dolist (el gnus-article-unpropagated-mark-lists)
- (setq nnml-marks (gnus-remassoc el nnml-marks)))
- (nnml-save-marks group server)
- (nnheader-message 7 "Bootstrapping marks for %s...done" group)))))
+ (unless nnml-article-file-alist
+ (setq nnml-article-file-alist
+ (sort (nnml-current-group-article-to-file-alist)
+ 'car-less-than-car)))
+ (if (not nnml-article-file-alist)
+ ;; The group is empty: do nothing but return t
+ t
+ ;; The group is not empty:
+ (let* ((group-full-name
+ (gnus-group-prefixed-name
+ group
+ (gnus-server-to-method (format "nnml:%s" server))))
+ (info (gnus-get-info group-full-name))
+ (new-number 1)
+ compacted)
+ (let ((articles nnml-article-file-alist)
+ article)
+ (while (setq article (pop articles))
+ (let ((old-number (car article)))
+ (when (> old-number new-number)
+ ;; There is a gap here:
+ (let ((old-number-string (int-to-string old-number))
+ (new-number-string (int-to-string new-number)))
+ (setq compacted t)
+ ;; #### NOTE: `nnml-article-to-file' calls
+ ;; #### `nnml-update-file-alist' (which in turn calls
+ ;; #### `nnml-current-group-article-to-file-alist', which
+ ;; #### might use the NOV database). This might turn out to be
+ ;; #### inefficient. In that case, we will do the work
+ ;; #### manually.
+ ;; 1/ Move the article to a new file:
+ (let* ((oldfile (nnml-article-to-file old-number))
+ (newfile
+ (gnus-replace-in-string
+ oldfile
+ ;; nnml-use-compressed-files might be any string, but
+ ;; probably it's sufficient to take into account only
+ ;; "\\.[a-z0-9]+". Note that we can't only use the
+ ;; value of nnml-use-compressed-files because old
+ ;; articles might have been saved with a different
+ ;; value.
+ (concat
+ "\\(" old-number-string "\\)\\(\\(\\.[a-z0-9]+\\)?\\)$")
+ (concat new-number-string "\\2"))))
+ (with-current-buffer nntp-server-buffer
+ (nnmail-find-file oldfile)
+ ;; Update the Xref header in the article itself:
+ (when (and (re-search-forward "^Xref: [^ ]+ " nil t)
+ (re-search-forward
+ (concat "\\<"
+ (regexp-quote
+ (concat group ":" old-number-string))
+ "\\>")
+ (point-at-eol) t))
+ (replace-match
+ (concat group ":" new-number-string)))
+ ;; Save to the new file:
+ (nnmail-write-region (point-min) (point-max) newfile))
+ (funcall nnmail-delete-file-function oldfile))
+ ;; 2/ Update all marks for this article:
+ ;; #### NOTE: it is possible that the new article number
+ ;; #### already belongs to a range, whereas the corresponding
+ ;; #### article doesn't exist (for example, if you delete an
+ ;; #### article). For that reason, it is important to update
+ ;; #### the ranges (meaning remove nonexistent articles) before
+ ;; #### doing anything on them.
+ ;; 2 a/ read articles:
+ (let ((read (gnus-info-read info)))
+ (setq read (gnus-remove-from-range read (list new-number)))
+ (when (gnus-member-of-range old-number read)
+ (setq read (gnus-remove-from-range read (list old-number)))
+ (setq read (gnus-add-to-range read (list new-number))))
+ (gnus-info-set-read info read))
+ ;; 2 b/ marked articles:
+ (let ((oldmarks (gnus-info-marks info))
+ mark newmarks)
+ (while (setq mark (pop oldmarks))
+ (setcdr mark (gnus-remove-from-range (cdr mark)
+ (list new-number)))
+ (when (gnus-member-of-range old-number (cdr mark))
+ (setcdr mark (gnus-remove-from-range (cdr mark)
+ (list old-number)))
+ (setcdr mark (gnus-add-to-range (cdr mark)
+ (list new-number))))
+ (push mark newmarks))
+ (gnus-info-set-marks info newmarks))
+ ;; 3/ Update the NOV entry for this article:
+ (unless nnml-nov-is-evil
+ (with-current-buffer (nnml-open-nov group)
+ (when (nnheader-find-nov-line old-number)
+ ;; Replace the article number:
+ (looking-at old-number-string)
+ (replace-match new-number-string nil t)
+ ;; Update the Xref header:
+ (when (re-search-forward
+ (concat "\\(Xref:[^\t\n]* \\)\\<"
+ (regexp-quote
+ (concat group ":" old-number-string))
+ "\\>")
+ (point-at-eol) t)
+ (replace-match
+ (concat "\\1" group ":" new-number-string))))))
+ ;; 4/ Possibly remove the article from the backlog:
+ (when gnus-keep-backlog
+ ;; #### NOTE: instead of removing the article, we could
+ ;; #### modify the backlog to reflect the numbering change,
+ ;; #### but I don't think it's worth it.
+ (gnus-backlog-remove-article group-full-name old-number)
+ (gnus-backlog-remove-article group-full-name new-number))))
+ (setq new-number (1+ new-number)))))
+ (if (not compacted)
+ ;; No compaction had to be done:
+ t
+ ;; Some articles have actually been renamed:
+ ;; 1/ Rebuild active information:
+ (let ((entry (assoc group nnml-group-alist))
+ (active (cons 1 (1- new-number))))
+ (setq nnml-group-alist (delq entry nnml-group-alist))
+ (push (list group active) nnml-group-alist)
+ ;; Update the active hashtable to let the *Group* buffer display
+ ;; up-to-date lines. I don't think that either gnus-newsrc-hashtb or
+ ;; gnus-newwrc-alist are out of date, since all we did is to modify
+ ;; the info of the group internally.
+ (gnus-set-active group-full-name active))
+ ;; 1 bis/
+ ;; #### NOTE: normally, we should save the overview (NOV) file
+ ;; #### here. However, there is no such function as
+ ;; #### nnml-save-nov for a single group. Only for all
+ ;; #### groups. Gnus inconsistency is getting worse every
+ ;; #### day... ;; 3/ Save everything if this was not part of
+ ;; #### a bigger operation:
+ (if (not save)
+ ;; Nothing to save (yet):
+ t
+ ;; Something to save:
+ ;; a/ Save the NOV databases:
+ ;; #### NOTE: this should be done directory per directory in 1bis
+ ;; #### above. See comment there.
+ (nnml-save-nov)
+ ;; b/ Save the active file:
+ (nnmail-save-active nnml-group-alist nnml-active-file)
+ t)))))
+
+(defun nnml-request-compact (&optional server)
+ "Request compaction of all SERVER nnml groups."
+ (interactive (list (or (nnoo-current-server 'nnml) "")))
+ (nnmail-activate 'nnml)
+ (unless (nnml-server-opened server)
+ (nnml-open-server server))
+ (setq nnml-directory (expand-file-name nnml-directory))
+ (let* ((groups (gnus-groups-from-server
+ (gnus-server-to-method (format "nnml:%s" server))))
+ (first (pop groups))
+ group)
+ (when first
+ (while (setq group (pop groups))
+ (nnml-request-compact-group (gnus-group-real-name group) server))
+ (nnml-request-compact-group (gnus-group-real-name first) server t))))
+