;;; nnmail.el --- mail support functions for the Gnus mail backends
-;; Copyright (C) 1995-2000 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news, mail
:group 'nnmail-procmail
:type 'boolean)
+(defcustom nnmail-scan-directory-mail-source-once nil
+ "*If non-nil, scan all incoming procmail sorted mails once.
+It scans low-level sorted spools even when not required."
+ :group 'nnmail-procmail
+ :type 'boolean)
+
(defcustom nnmail-delete-file-function 'delete-file
"Function called to delete files in some mail backends."
:group 'nnmail-files
(setq nnmail-cache-buffer nil)
(kill-buffer (current-buffer)))))
+;; Compiler directives.
+(defvar group)
+(defvar group-art-list)
+(defvar group-art)
(defun nnmail-cache-insert (id)
(when nnmail-treat-duplicates
- (unless (gnus-buffer-live-p nnmail-cache-buffer)
- (nnmail-cache-open))
+ ;; Store some information about the group this message is written
+ ;; to. This function might have been called from various places.
+ ;; Sometimes, a function up in the calling sequence has an
+ ;; argument GROUP which is bound to a string, the group name. At
+ ;; other times, there is a function up in the calling sequence
+ ;; which has an argument GROUP-ART which is a list of pairs, and
+ ;; the car of a pair is a group name. Should we check that the
+ ;; length of the list is equal to 1? -- kai
+ (let ((g nil))
+ (cond ((and (boundp 'group) group)
+ (setq g group))
+ ((and (boundp 'group-art-list) group-art-list
+ (listp group-art-list))
+ (setq g (caar group-art-list)))
+ ((and (boundp 'group-art) group-art (listp group-art))
+ (setq g (caar group-art)))
+ (t (setq g "")))
+ (unless (gnus-buffer-live-p nnmail-cache-buffer)
+ (nnmail-cache-open))
+ (save-excursion
+ (set-buffer nnmail-cache-buffer)
+ (goto-char (point-max))
+ (if (and g (not (string= "" g))
+ (gnus-methods-equal-p gnus-command-method
+ (nnmail-cache-primary-mail-backend)))
+ (insert id "\t" g "\n")
+ (insert id "\n"))))))
+
+(defun nnmail-cache-primary-mail-backend ()
+ (let ((be-list (cons gnus-select-method gnus-secondary-select-methods))
+ (be nil)
+ (res nil))
+ (while (and (null res) be-list)
+ (setq be (car be-list))
+ (setq be-list (cdr be-list))
+ (when (and (gnus-method-option-p be 'respool)
+ (eval (intern (format "%s-get-new-mail" (car be)))))
+ (setq res be)))
+ res))
+
+;; Fetch the group name corresponding to the message id stored in the
+;; cache.
+(defun nnmail-cache-fetch-group (id)
+ (when (and nnmail-treat-duplicates nnmail-cache-buffer)
(save-excursion
(set-buffer nnmail-cache-buffer)
(goto-char (point-max))
- (insert id "\n"))))
+ (when (search-backward id nil t)
+ (beginning-of-line)
+ (skip-chars-forward "^\n\r\t")
+ (unless (eolp)
+ (forward-char 1)
+ (buffer-substring (point)
+ (progn (end-of-line) (point))))))))
+
+;; Function for nnmail-split-fancy: look up all references in the
+;; cache and if a match is found, return that group.
+(defun nnmail-split-fancy-with-parent ()
+ (let* ((refstr (or (message-fetch-field "references")
+ (message-fetch-field "in-reply-to")))
+ (references nil)
+ (res nil))
+ (when refstr
+ (setq references (nreverse (gnus-split-references refstr)))
+ (unless (gnus-buffer-live-p nnmail-cache-buffer)
+ (nnmail-cache-open))
+ (mapcar (lambda (x)
+ (setq res (or (nnmail-cache-fetch-group x) res))
+ (when (string= "drafts" res)
+ (setq res nil)))
+ references)
+ res)))
(defun nnmail-cache-id-exists-p (id)
(when nnmail-treat-duplicates
nil))
;; Hack to only fetch the contents of a single group's spool file.
(when (and (eq (car source) 'directory)
+ (null nnmail-scan-directory-mail-source-once)
group)
(mail-source-bind (directory source)
(setq source (append source