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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
;;; piem-notmuch.el --- Notmuch integration for piem -*- lexical-binding: t; -*-
;; Copyright (C) 2020-2021 all contributors <piem@inbox.kyleam.com>
;; Copyright (C) 2019 Sean Whitton <spwhitton@spwhitton.name>
;; 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)
(defcustom piem-notmuch-extract-patch-executable "notmuch-extract-patch"
"Which notmuch-extract-patch executable to use."
:package-version '(piem . "0.4.0")
:type 'string)
(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))
;;;###autoload
(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
(call-process notmuch-command
nil (list standard-output 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-extract-patch-am-ready-mbox ()
"Return a function that inserts an am-ready mbox.
Use the message itself if it looks like a patch using
notmuch-extract-patch to get the latest patch series from the
notmuch thread."
(when (and (derived-mode-p 'notmuch-show-mode)
(string-match-p piem-patch-subject-re
(notmuch-show-get-subject))
(= (notmuch-count-attachments
(piem-notmuch--with-current-message
(mm-dissect-buffer)))
0))
(let* ((thread-id
(or notmuch-show-thread-id
(error "bug: notmuch-show-thread-id unexpectedly nil")))
(tid
;; Copied from mailscripts.el
;;
;; If `notmuch-show' was called with a notmuch query rather
;; than a thread ID, as `org-notmuch-follow-link' in
;; org-notmuch.el does, then `notmuch-show-thread-id' might
;; be an arbitrary notmuch query instead of a thread ID. We
;; need to wrap such a query in thread:{} before passing it
;; to notmuch-extract-patch(1), or we might not get a whole
;; thread extracted (e.g. if the query is just id:foo)
(if (string= (substring thread-id 0 7) "thread:")
thread-id
(concat "thread:{" thread-id "}"))))
(lambda ()
(call-process piem-notmuch-extract-patch-executable nil t nil
tid)))))
(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 inboxes returned by
`piem-merged-inboxes'."
(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 searching the inboxes returned by
`piem-merged-inboxes'. 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)
|