/usr/share/emacs/site-lisp/notmuch/notmuch-message.el is in notmuch-emacs 0.12-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | ;; notmuch-message.el --- message-mode functions specific to notmuch
;;
;; Copyright © Jesse Rosenthal
;;
;; This file is part of Notmuch.
;;
;; Notmuch 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 3 of the License, or
;; (at your option) any later version.
;;
;; Notmuch 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 Notmuch. If not, see <http://www.gnu.org/licenses/>.
;;
;; Authors: Jesse Rosenthal <jrosenthal@jhu.edu>
(require 'message)
(require 'notmuch-mua)
(defcustom notmuch-message-replied-tags '("replied")
"Tags to be automatically added to or removed from a message when it is replied to.
Any tag in the list will be added to a replied message or,
if it is prefaced with a \"-\", removed.
For example, if you wanted to add a \"replied\" tag and remove
the \"inbox\" and \"todo\", you would set
(\"replied\" \"-inbox\" \"-todo\"\)"
:type 'list
:group 'notmuch-send)
(defun notmuch-message-mark-replied ()
;; get the in-reply-to header and parse it for the message id.
(let ((rep (mail-header-parse-addresses (message-field-value "In-Reply-To"))))
(when (and notmuch-message-replied-tags rep)
;; add a "+" to any tag that is doesn't already begin with a "+"
;; or "-"
(let ((tags (mapcar (lambda (str)
(if (not (string-match "^[+-]" str))
(concat "+" str)
str))
notmuch-message-replied-tags)))
(apply 'notmuch-tag (concat "id:" (car (car rep))) tags)))))
(add-hook 'message-send-hook 'notmuch-message-mark-replied)
(provide 'notmuch-message)
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