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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
;;; piem-notmuch.el --- Notmuch integration for piem -*- lexical-binding: t; -*-
;; Copyright (C) 2020-2021 all contributors <piem@inbox.kyleam.com>
;; Author: Kyle Meyer <kyle@kyleam.com>
;; Keywords: vc, tools
;; Package-Requires: ((emacs "26.3"))
;; This program 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.
;; 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This library provides a minor mode, `piem-notmuch-mode', that
;; modifies `piem' variables to teach functions like `piem-inbox' and
;; `piem-am-ready-mbox' how to extract information from Notmuch
;; buffers.
;;; Code:
(require 'mm-decode)
(require 'notmuch)
(require 'piem)
(require 'subr-x)
(defgroup piem-notmuch nil
"Notmuch integration for piem."
:group 'piem)
(defmacro piem-notmuch--with-current-message (&rest body)
(declare (indent 0) (debug (body)))
(let ((rv (make-symbol "rv")))
`(let (,rv)
(with-current-notmuch-show-message
(setq ,rv ,(macroexp-progn body)))
,rv)))
(defun piem-notmuch-get-inbox ()
"Return inbox name from a `notmuch-show-mode' buffer."
(when (derived-mode-p 'notmuch-show-mode)
(piem-notmuch--with-current-message
(piem-inbox-by-header-match))))
(defun piem-notmuch-get-mid ()
"Return the message ID of a `notmuch-show-mode' buffer."
(notmuch-show-get-message-id 'bare))
(defun piem-notmuch-known-mid-p (mid)
"Return non-nil if MID is known to Notmuch.
The message ID should not include Notmuch's \"id:\" prefix or
have surrounding brackets."
(let ((query (concat "id:" mid)))
(equal query
(string-trim-right
(with-output-to-string
(with-current-buffer standard-output
(call-process notmuch-command
nil '(t nil) nil
"search" "--output=messages" query)))))))
(defun piem-notmuch-mid-to-thread (mid)
"Return a function that inserts an mbox for MID's thread."
(when (piem-notmuch-known-mid-p mid)
(lambda ()
(call-process notmuch-command
nil '(t nil) nil
"show" "--format=mbox" "--entire-thread=true"
(concat "id:" mid)))))
(defun piem-notmuch-am-ready-mbox ()
"Return a function that inserts an am-ready mbox.
If the buffer has any MIME parts that look like a patch, use
those parts' contents (in order) as the mbox. Otherwise, use the
message itself if it looks like a patch."
(when (derived-mode-p 'notmuch-show-mode)
(let* ((handle (piem-notmuch--with-current-message
(mm-dissect-buffer)))
(n-attachments (notmuch-count-attachments handle))
patches)
(if (= n-attachments 0)
(when (string-match-p piem-patch-subject-re
(notmuch-show-get-subject))
(let ((id (notmuch-show-get-message-id)))
(lambda ()
(call-process notmuch-command nil t nil
"show" "--format=mbox" id))))
(notmuch-foreach-mime-part
(lambda (p)
(when-let ((patch (piem-am-extract-attached-patch p)))
(push patch patches)))
handle)
(when patches
(setq patches (nreverse patches))
(cons (lambda ()
(dolist (patch patches)
(insert patch)))
"mbox"))))))
(defun piem-notmuch-show-get-public-inbox-link (mid)
"Given the message-id MID, return the public-inbox url.
This will lookup the url in the `piem-inboxes' variable."
(piem-mid-url mid
(or (piem-notmuch-get-inbox)
(user-error "No inbox associated with current buffer"))))
;;;###autoload
(define-minor-mode piem-notmuch-mode
"Toggle Notmuch support for piem.
With a prefix argument ARG, enable piem-notmuch mode if ARG is
positive, and disable it otherwise. If called from Lisp, enable
the mode if ARG is omitted or nil.
This will add a new entry to
`notmuch-show-stash-mlarchive-link-alist' which will determine
the archive url by reading the `piem-inboxes' variable. You can
also set `notmuch-show-stash-mlarchive-link-default' to \"piem\"
to make this the default behavior when calling
`notmuch-show-stash-mlarchive-link'."
:global t
:init-value nil
(if piem-notmuch-mode
(progn
(add-hook 'piem-am-ready-mbox-functions #'piem-notmuch-am-ready-mbox)
(add-hook 'piem-get-inbox-functions #'piem-notmuch-get-inbox)
(add-hook 'piem-get-mid-functions #'piem-notmuch-get-mid)
(add-hook 'piem-mid-to-thread-functions #'piem-notmuch-mid-to-thread)
(add-to-list 'notmuch-show-stash-mlarchive-link-alist
'("piem" . piem-notmuch-show-get-public-inbox-link)))
(remove-hook 'piem-am-ready-mbox-functions #'piem-notmuch-am-ready-mbox)
(remove-hook 'piem-get-inbox-functions #'piem-notmuch-get-inbox)
(remove-hook 'piem-get-mid-functions #'piem-notmuch-get-mid)
(remove-hook 'piem-mid-to-thread-functions #'piem-notmuch-mid-to-thread)
(setq notmuch-show-stash-mlarchive-link-alist
(delete '("piem" . piem-notmuch-show-get-public-inbox-link)
notmuch-show-stash-mlarchive-link-alist))))
;;; piem-notmuch.el ends here
(provide 'piem-notmuch)
|