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;; This file 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.
;; This program 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
;; 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., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;; Commentary:
;;
;; This is the beginning of a solution for storing sent mail in a
;; maildir in emacs message mode, presented because some people might
;; find it useful. It is *not* fully tested, it *may* overwrite files,
;; and any directories you point this at may no longer be there
;; afterwards. Use at your own risk.
;;
;; To use this as the fcc handler for message-mode, put
;; one of the following in your init file:
;;
;; if you want Fcc'd messages to be marked as read:
;;
;; (setq message-fcc-handler-function
;; '(lambda (destdir)
;; (notmuch-maildir-fcc-write-buffer-to-maildir destdir t)))
;;
;; if you want Fcc'd messages to be marked as new:
;;
;; (setq message-fcc-handler-function
;; '(lambda (destdir)
;; (notmuch-maildir-fcc-write-buffer-to-maildir destdir nil)))
(defvar notmuch-maildir-fcc-count 0)
(defun notmuch-maildir-fcc-host-fixer (hostname)
(replace-regexp-in-string "/\\|:"
'(lambda (s)
(cond ((string-equal s "/") "\\057")
((string-equal s ":") "\\072")
(t s)))
hostname
t
t))
(defun notmuch-maildir-fcc-make-uniq-maildir-id ()
(let* ((ct (current-time))
(timeid (+ (* (car ct) 65536) (cadr ct)))
(microseconds (caddr ct))
(hostname (notmuch-maildir-fcc-host-fixer system-name)))
(setq notmuch-maildir-fcc-count (+ notmuch-maildir-fcc-count 1))
(format "%d.%d_%d_%d.%s"
timeid
(emacs-pid)
microseconds
notmuch-maildir-fcc-count
hostname)))
(defun notmuch-maildir-fcc-dir-is-maildir-p (dir)
(and (file-exists-p (concat dir "/cur/"))
(file-exists-p (concat dir "/new/"))
(file-exists-p (concat dir "/tmp/"))))
(defun notmuch-maildir-fcc-save-buffer-to-tmp (destdir)
"Returns the msg id of the message written to the temp directory
if successful, nil if not."
(let ((msg-id (notmuch-maildir-fcc-make-uniq-maildir-id)))
(while (file-exists-p (concat destdir "/tmp/" msg-id))
(setq msg-id (notmuch-maildir-fcc-make-uniq-maildir-id)))
(cond ((notmuch-maildir-fcc-dir-is-maildir-p destdir)
(write-file (concat destdir "/tmp/" msg-id))
msg-id)
(t
(message (format "Can't write to %s. Not a maildir."
destdir))
nil))))
(defun notmuch-maildir-fcc-move-tmp-to-new (destdir msg-id)
(add-name-to-file
(concat destdir "/tmp/" msg-id)
(concat destdir "/new/" msg-id ":2,")))
(defun notmuch-maildir-fcc-move-tmp-to-cur (destdir msg-id &optional mark-seen)
(add-name-to-file
(concat destdir "/tmp/" msg-id)
(concat destdir "/cur/" msg-id ":2," (when mark-seen "S"))))
(defun notmuch-maildir-fcc-write-buffer-to-maildir (destdir &optional mark-seen)
"Writes the current buffer to maildir destdir. If mark-seen is
non-nil, it will write it to cur/, and mark it as read. It should
return t if successful, and nil otherwise."
(let ((orig-buffer (buffer-name)))
(with-temp-buffer
(insert-buffer orig-buffer)
(catch 'link-error
(let ((msg-id (notmuch-maildir-fcc-save-buffer-to-tmp destdir)))
(when msg-id
(cond (mark-seen
(condition-case err
(notmuch-maildir-fcc-move-tmp-to-cur destdir msg-id t)
(file-already-exists
(throw 'link-error nil))))
(t
(condition-case err
(notmuch-maildir-fcc-move-tmp-to-new destdir msg-id)
(file-already-exists
(throw 'link-error nil))))))
(delete-file (concat destdir "/tmp/" msg-id))))
t)))
(provide 'notmuch-maildir-fcc)
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