1 ;; notmuch.el --- run notmuch within emacs
3 ;; Copyright © Carl Worth
5 ;; This file is part of Notmuch.
7 ;; Notmuch is free software: you can redistribute it and/or modify it
8 ;; under the terms of the GNU General Public License as published by
9 ;; the Free Software Foundation, either version 3 of the License, or
10 ;; (at your option) any later version.
12 ;; Notmuch is distributed in the hope that it will be useful, but
13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 ;; General Public License for more details.
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
20 ;; Authors: Carl Worth <cworth@cworth.org>
22 ;; This is an emacs-based interface to the notmuch mail system.
24 ;; You will first need to have the notmuch program installed and have a
25 ;; notmuch database built in order to use this. See
26 ;; http://notmuchmail.org for details.
28 ;; To install this software, copy it to a directory that is on the
29 ;; `load-path' variable within emacs (a good candidate is
30 ;; /usr/local/share/emacs/site-lisp). If you are viewing this from the
31 ;; notmuch source distribution then you can simply run:
33 ;; sudo make install-emacs
37 ;; Then, to actually run it, add:
41 ;; to your ~/.emacs file, and then run "M-x notmuch" from within emacs,
46 ;; Have fun, and let us know if you have any comment, questions, or
47 ;; kudos: Notmuch list <notmuch@notmuchmail.org> (subscription is not
48 ;; required, but is available from http://notmuchmail.org).
50 (eval-when-compile (require 'cl))
54 (require 'notmuch-lib)
55 (require 'notmuch-tag)
56 (require 'notmuch-show)
57 (require 'notmuch-mua)
58 (require 'notmuch-hello)
59 (require 'notmuch-maildir-fcc)
60 (require 'notmuch-message)
62 (defcustom notmuch-search-result-format
65 ("authors" . "%-20s ")
68 "Search result formatting. Supported fields are:
69 date, count, authors, subject, tags
71 (setq notmuch-search-result-format \(\(\"authors\" . \"%-40s\"\)
72 \(\"subject\" . \"%s\"\)\)\)
73 Line breaks are permitted in format strings (though this is
74 currently experimental). Note that a line break at the end of an
75 \"authors\" field will get elided if the authors list is long;
76 place it instead at the beginning of the following field. To
77 enter a line break when setting this variable with setq, use \\n.
78 To enter a line break in customize, press \\[quoted-insert] C-j."
79 :type '(alist :key-type (string) :value-type (string))
80 :group 'notmuch-search)
82 (defvar notmuch-query-history nil
83 "Variable to store minibuffer history for notmuch queries")
85 (defun notmuch-foreach-mime-part (function mm-handle)
86 (cond ((stringp (car mm-handle))
87 (dolist (part (cdr mm-handle))
88 (notmuch-foreach-mime-part function part)))
89 ((bufferp (car mm-handle))
90 (funcall function mm-handle))
91 (t (dolist (part mm-handle)
92 (notmuch-foreach-mime-part function part)))))
94 (defun notmuch-count-attachments (mm-handle)
96 (notmuch-foreach-mime-part
98 (let ((disposition (mm-handle-disposition p)))
99 (and (listp disposition)
100 (or (equal (car disposition) "attachment")
101 (and (equal (car disposition) "inline")
102 (assq 'filename disposition)))
107 (defun notmuch-save-attachments (mm-handle &optional queryp)
108 (notmuch-foreach-mime-part
110 (let ((disposition (mm-handle-disposition p)))
111 (and (listp disposition)
112 (or (equal (car disposition) "attachment")
113 (and (equal (car disposition) "inline")
114 (assq 'filename disposition)))
117 (concat "Save '" (cdr (assq 'filename disposition)) "' ")))
121 (defun notmuch-documentation-first-line (symbol)
122 "Return the first line of the documentation string for SYMBOL."
123 (let ((doc (documentation symbol)))
126 (insert (documentation symbol t))
127 (goto-char (point-min))
130 (buffer-substring beg (point))))
133 (defun notmuch-prefix-key-description (key)
134 "Given a prefix key code, return a human-readable string representation.
136 This is basically just `format-kbd-macro' but we also convert ESC to M-."
137 (let ((desc (format-kbd-macro (vector key))))
138 (if (string= desc "ESC")
142 ;; I would think that emacs would have code handy for walking a keymap
143 ;; and generating strings for each key, and I would prefer to just call
144 ;; that. But I couldn't find any (could be all implemented in C I
145 ;; suppose), so I wrote my own here.
146 (defun notmuch-substitute-one-command-key-with-prefix (prefix binding)
147 "For a key binding, return a string showing a human-readable
148 representation of the prefixed key as well as the first line of
149 documentation from the bound function.
151 For a mouse binding, return nil."
152 (let ((key (car binding))
153 (action (cdr binding)))
154 (if (mouse-event-p key)
157 (let ((substitute (apply-partially 'notmuch-substitute-one-command-key-with-prefix (notmuch-prefix-key-description key)))
159 (map-keymap (lambda (a b)
160 (push (cons a b) as-list))
162 (mapconcat substitute as-list "\n"))
163 (concat prefix (format-kbd-macro (vector key))
165 (notmuch-documentation-first-line action))))))
167 (defun notmuch-substitute-command-keys-one (key)
168 ;; A `keymap' key indicates inheritance from a parent keymap - the
169 ;; inherited mappings follow, so there is nothing to print for
171 (when (not (eq key 'keymap))
172 (notmuch-substitute-one-command-key-with-prefix nil key)))
174 (defun notmuch-substitute-command-keys (doc)
175 "Like `substitute-command-keys' but with documentation, not function names."
177 (while (string-match "\\\\{\\([^}[:space:]]*\\)}" doc beg)
178 (let* ((keymap-name (substring doc (match-beginning 1) (match-end 1)))
179 (keymap (symbol-value (intern keymap-name))))
180 (setq doc (replace-match
181 (mapconcat #'notmuch-substitute-command-keys-one
184 (setq beg (match-end 0)))
187 (defun notmuch-help ()
188 "Display help for the current notmuch mode."
190 (let* ((mode major-mode)
191 (doc (substitute-command-keys (notmuch-substitute-command-keys (documentation mode t)))))
192 (with-current-buffer (generate-new-buffer "*notmuch-help*")
194 (goto-char (point-min))
195 (set-buffer-modified-p nil)
196 (view-buffer (current-buffer) 'kill-buffer-if-not-modified))))
200 (defun notmuch-hl-line-mode ()
201 (prog1 (hl-line-mode)
202 (when hl-line-overlay
203 (overlay-put hl-line-overlay 'priority 1))))
205 (defcustom notmuch-search-hook '(notmuch-hl-line-mode)
206 "List of functions to call when notmuch displays the search results."
208 :options '(notmuch-hl-line-mode)
209 :group 'notmuch-search
210 :group 'notmuch-hooks)
212 (defvar notmuch-search-mode-map
213 (let ((map (make-sparse-keymap)))
214 (define-key map "?" 'notmuch-help)
215 (define-key map "q" 'notmuch-search-quit)
216 (define-key map "x" 'notmuch-search-quit)
217 (define-key map (kbd "<DEL>") 'notmuch-search-scroll-down)
218 (define-key map "b" 'notmuch-search-scroll-down)
219 (define-key map " " 'notmuch-search-scroll-up)
220 (define-key map "<" 'notmuch-search-first-thread)
221 (define-key map ">" 'notmuch-search-last-thread)
222 (define-key map "p" 'notmuch-search-previous-thread)
223 (define-key map "n" 'notmuch-search-next-thread)
224 (define-key map "r" 'notmuch-search-reply-to-thread-sender)
225 (define-key map "R" 'notmuch-search-reply-to-thread)
226 (define-key map "m" 'notmuch-mua-new-mail)
227 (define-key map "s" 'notmuch-search)
228 (define-key map "o" 'notmuch-search-toggle-order)
229 (define-key map "c" 'notmuch-search-stash-map)
230 (define-key map "=" 'notmuch-search-refresh-view)
231 (define-key map "G" 'notmuch-search-poll-and-refresh-view)
232 (define-key map "t" 'notmuch-search-filter-by-tag)
233 (define-key map "f" 'notmuch-search-filter)
234 (define-key map [mouse-1] 'notmuch-search-show-thread)
235 (define-key map "*" 'notmuch-search-tag-all)
236 (define-key map "a" 'notmuch-search-archive-thread)
237 (define-key map "-" 'notmuch-search-remove-tag)
238 (define-key map "+" 'notmuch-search-add-tag)
239 (define-key map (kbd "RET") 'notmuch-search-show-thread)
241 "Keymap for \"notmuch search\" buffers.")
242 (fset 'notmuch-search-mode-map notmuch-search-mode-map)
244 (defvar notmuch-search-stash-map
245 (let ((map (make-sparse-keymap)))
246 (define-key map "i" 'notmuch-search-stash-thread-id)
248 "Submap for stash commands")
249 (fset 'notmuch-search-stash-map notmuch-search-stash-map)
251 (defun notmuch-search-stash-thread-id ()
252 "Copy thread ID of current thread to kill-ring."
254 (notmuch-common-do-stash (notmuch-search-find-thread-id)))
256 (defvar notmuch-search-query-string)
257 (defvar notmuch-search-target-thread)
258 (defvar notmuch-search-target-line)
259 (defvar notmuch-search-continuation)
261 (defvar notmuch-search-disjunctive-regexp "\\<[oO][rR]\\>")
263 (defun notmuch-search-quit ()
264 "Exit the search buffer, calling any defined continuation function."
266 (let ((continuation notmuch-search-continuation))
267 (notmuch-kill-this-buffer)
269 (funcall continuation))))
271 (defun notmuch-search-scroll-up ()
272 "Move forward through search results by one window's worth."
276 ((end-of-buffer) (notmuch-search-last-thread))))
278 (defun notmuch-search-scroll-down ()
279 "Move backward through the search results by one window's worth."
281 ;; I don't know why scroll-down doesn't signal beginning-of-buffer
282 ;; the way that scroll-up signals end-of-buffer, but c'est la vie.
284 ;; So instead of trapping a signal we instead check whether the
285 ;; window begins on the first line of the buffer and if so, move
286 ;; directly to that position. (We have to count lines since the
287 ;; window-start position is not the same as point-min due to the
288 ;; invisible thread-ID characters on the first line.
289 (if (equal (count-lines (point-min) (window-start)) 0)
290 (goto-char (point-min))
293 (defun notmuch-search-next-thread ()
294 "Select the next thread in the search results."
298 (defun notmuch-search-previous-thread ()
299 "Select the previous thread in the search results."
303 (defun notmuch-search-last-thread ()
304 "Select the last thread in the search results."
306 (goto-char (point-max))
309 (defun notmuch-search-first-thread ()
310 "Select the first thread in the search results."
312 (goto-char (point-min)))
314 (defface notmuch-message-summary-face
315 '((((class color) (background light)) (:background "#f0f0f0"))
316 (((class color) (background dark)) (:background "#303030")))
317 "Face for the single-line message summary in notmuch-show-mode."
319 :group 'notmuch-faces)
321 (defface notmuch-search-date
322 '((t :inherit default))
323 "Face used in search mode for dates."
324 :group 'notmuch-search
325 :group 'notmuch-faces)
327 (defface notmuch-search-count
328 '((t :inherit default))
329 "Face used in search mode for the count matching the query."
330 :group 'notmuch-search
331 :group 'notmuch-faces)
333 (defface notmuch-search-subject
334 '((t :inherit default))
335 "Face used in search mode for subjects."
336 :group 'notmuch-search
337 :group 'notmuch-faces)
339 (defface notmuch-search-matching-authors
340 '((t :inherit default))
341 "Face used in search mode for authors matching the query."
342 :group 'notmuch-search
343 :group 'notmuch-faces)
345 (defface notmuch-search-non-matching-authors
348 (:foreground "grey30"))
351 (:foreground "grey60"))
354 "Face used in search mode for authors not matching the query."
355 :group 'notmuch-search
356 :group 'notmuch-faces)
358 (defface notmuch-tag-face
361 (:foreground "OliveDrab1"))
364 (:foreground "navy blue" :bold t))
367 "Face used in search mode face for tags."
368 :group 'notmuch-search
369 :group 'notmuch-faces)
371 (defun notmuch-search-mode ()
372 "Major mode displaying results of a notmuch search.
374 This buffer contains the results of a \"notmuch search\" of your
375 email archives. Each line in the buffer represents a single
376 thread giving a summary of the thread (a relative date, the
377 number of matched messages and total messages in the thread,
378 participants in the thread, a representative subject line, and
381 Pressing \\[notmuch-search-show-thread] on any line displays that thread. The '\\[notmuch-search-add-tag]' and '\\[notmuch-search-remove-tag]'
382 keys can be used to add or remove tags from a thread. The '\\[notmuch-search-archive-thread]' key
383 is a convenience for archiving a thread (removing the \"inbox\"
384 tag). The '\\[notmuch-search-tag-all]' key can be used to add or remove a tag from all
385 threads in the current buffer.
387 Other useful commands are '\\[notmuch-search-filter]' for filtering the current search
388 based on an additional query string, '\\[notmuch-search-filter-by-tag]' for filtering to include
389 only messages with a given tag, and '\\[notmuch-search]' to execute a new, global
392 Complete list of currently available key bindings:
394 \\{notmuch-search-mode-map}"
396 (kill-all-local-variables)
397 (make-local-variable 'notmuch-search-query-string)
398 (make-local-variable 'notmuch-search-oldest-first)
399 (make-local-variable 'notmuch-search-target-thread)
400 (make-local-variable 'notmuch-search-target-line)
401 (set (make-local-variable 'notmuch-search-continuation) nil)
402 (set (make-local-variable 'scroll-preserve-screen-position) t)
403 (add-to-invisibility-spec (cons 'ellipsis t))
404 (use-local-map notmuch-search-mode-map)
405 (setq truncate-lines t)
406 (setq major-mode 'notmuch-search-mode
407 mode-name "notmuch-search")
408 (setq buffer-read-only t))
410 (defun notmuch-search-get-result (&optional pos)
411 "Return the result object for the thread at POS (or point).
413 If there is no thread at POS (or point), returns nil."
414 (get-text-property (or pos (point)) 'notmuch-search-result))
416 (defun notmuch-search-result-beginning (&optional pos)
417 "Return the point at the beginning of the thread at POS (or point).
419 If there is no thread at POS (or point), returns nil."
420 (when (notmuch-search-get-result pos)
421 ;; We pass 1+point because previous-single-property-change starts
422 ;; searching one before the position we give it.
423 (previous-single-property-change (1+ (or pos (point)))
424 'notmuch-search-result nil (point-min))))
426 (defun notmuch-search-result-end (&optional pos)
427 "Return the point at the end of the thread at POS (or point).
429 The returned point will be just after the newline character that
430 ends the result line. If there is no thread at POS (or point),
432 (when (notmuch-search-get-result pos)
433 (next-single-property-change (or pos (point)) 'notmuch-search-result
436 (defun notmuch-search-foreach-result (beg end function)
437 "Invoke FUNCTION for each result between BEG and END.
439 FUNCTION should take one argument. It will be applied to the
440 character position of the beginning of each result that overlaps
441 the region between points BEG and END. As a special case, if (=
442 BEG END), FUNCTION will be applied to the result containing point
445 (lexical-let ((pos (notmuch-search-result-beginning beg))
446 ;; End must be a marker in case function changes the
448 (end (copy-marker end))
449 ;; Make sure we examine at least one result, even if
452 ;; We have to be careful if the region extends beyond the results.
453 ;; In this case, pos could be null or there could be no result at
455 (while (and pos (or (< pos end) first))
456 (when (notmuch-search-get-result pos)
457 (funcall function pos))
458 (setq pos (notmuch-search-result-end pos)
460 ;; Unindent the function argument of notmuch-search-foreach-result so
461 ;; the indentation of callers doesn't get out of hand.
462 (put 'notmuch-search-foreach-result 'lisp-indent-function 2)
464 (defun notmuch-search-properties-in-region (property beg end)
466 (notmuch-search-foreach-result beg end
468 (push (get-text-property pos property) output)))
471 (defun notmuch-search-find-thread-id ()
472 "Return the thread for the current thread"
473 (get-text-property (point) 'notmuch-search-thread-id))
475 (defun notmuch-search-find-thread-id-region (beg end)
476 "Return a list of threads for the current region"
477 (notmuch-search-properties-in-region 'notmuch-search-thread-id beg end))
479 (defun notmuch-search-find-thread-id-region-search (beg end)
480 "Return a search string for threads for the current region"
481 (mapconcat 'identity (notmuch-search-find-thread-id-region beg end) " or "))
483 (defun notmuch-search-find-authors ()
484 "Return the authors for the current thread"
485 (get-text-property (point) 'notmuch-search-authors))
487 (defun notmuch-search-find-authors-region (beg end)
488 "Return a list of authors for the current region"
489 (notmuch-search-properties-in-region 'notmuch-search-authors beg end))
491 (defun notmuch-search-find-subject ()
492 "Return the subject for the current thread"
493 (get-text-property (point) 'notmuch-search-subject))
495 (defun notmuch-search-find-subject-region (beg end)
496 "Return a list of authors for the current region"
497 (notmuch-search-properties-in-region 'notmuch-search-subject beg end))
499 (defun notmuch-search-show-thread ()
500 "Display the currently selected thread."
502 (let ((thread-id (notmuch-search-find-thread-id))
503 (subject (notmuch-search-find-subject)))
504 (if (> (length thread-id) 0)
505 (notmuch-show thread-id
507 notmuch-search-query-string
508 ;; Name the buffer based on the subject.
509 (concat "*" (truncate-string-to-width subject 30 nil nil t) "*"))
510 (message "End of search results."))))
512 (defun notmuch-search-reply-to-thread (&optional prompt-for-sender)
513 "Begin composing a reply-all to the entire current thread in a new buffer."
515 (let ((message-id (notmuch-search-find-thread-id)))
516 (notmuch-mua-new-reply message-id prompt-for-sender t)))
518 (defun notmuch-search-reply-to-thread-sender (&optional prompt-for-sender)
519 "Begin composing a reply to the entire current thread in a new buffer."
521 (let ((message-id (notmuch-search-find-thread-id)))
522 (notmuch-mua-new-reply message-id prompt-for-sender nil)))
524 (defun notmuch-call-notmuch-process (&rest args)
525 "Synchronously invoke \"notmuch\" with the given list of arguments.
527 Output from the process will be presented to the user as an error
528 and will also appear in a buffer named \"*Notmuch errors*\"."
529 (let ((error-buffer (get-buffer-create "*Notmuch errors*")))
530 (with-current-buffer error-buffer
532 (if (eq (apply 'call-process notmuch-command nil error-buffer nil args) 0)
535 (with-current-buffer error-buffer
536 (let ((beg (point-min))
537 (end (- (point-max) 1)))
538 (error (buffer-substring beg end))
541 (defun notmuch-search-set-tags (tags &optional pos)
542 (let ((new-result (plist-put (notmuch-search-get-result pos) :tags tags)))
543 (notmuch-search-update-result new-result pos)))
545 (defun notmuch-search-get-tags (&optional pos)
546 (plist-get (notmuch-search-get-result pos) :tags))
548 (defun notmuch-search-get-tags-region (beg end)
550 (notmuch-search-foreach-result beg end
552 (setq output (append output (notmuch-search-get-tags pos)))))
555 (defun notmuch-search-tag-region (beg end &optional tag-changes)
556 "Change tags for threads in the given region."
557 (let ((search-string (notmuch-search-find-thread-id-region-search beg end)))
558 (setq tag-changes (funcall 'notmuch-tag search-string tag-changes))
559 (notmuch-search-foreach-result beg end
561 (notmuch-search-set-tags
562 (notmuch-update-tags (notmuch-search-get-tags pos) tag-changes)
565 (defun notmuch-search-tag (&optional tag-changes)
566 "Change tags for the currently selected thread or region.
568 See `notmuch-tag' for information on the format of TAG-CHANGES."
570 (let* ((beg (if (region-active-p) (region-beginning) (point)))
571 (end (if (region-active-p) (region-end) (point))))
572 (funcall 'notmuch-search-tag-region beg end tag-changes)))
574 (defun notmuch-search-add-tag ()
575 "Same as `notmuch-search-tag' but sets initial input to '+'."
577 (notmuch-search-tag "+"))
579 (defun notmuch-search-remove-tag ()
580 "Same as `notmuch-search-tag' but sets initial input to '-'."
582 (notmuch-search-tag "-"))
584 (defun notmuch-search-archive-thread ()
585 "Archive the currently selected thread (remove its \"inbox\" tag).
587 This function advances the next thread when finished."
589 (notmuch-search-tag '("-inbox"))
590 (notmuch-search-next-thread))
592 (defun notmuch-search-update-result (result &optional pos)
593 "Replace the result object of the thread at POS (or point) by
594 RESULT and redraw it.
596 This will keep point in a reasonable location. However, if there
597 are enclosing save-excursions and the saved point is in the
598 result being updated, the point will be restored to the beginning
600 (let ((start (notmuch-search-result-beginning pos))
601 (end (notmuch-search-result-end pos))
603 (inhibit-read-only t))
604 ;; Delete the current thread
605 (delete-region start end)
606 ;; Insert the updated thread
607 (notmuch-search-show-result result start)
608 ;; If point was inside the old result, make an educated guess
609 ;; about where to place it now. Unfortunately, this won't work
610 ;; with save-excursion (or any other markers that would be nice to
611 ;; preserve, such as the window start), but there's nothing we can
612 ;; do about that without a way to retrieve markers in a region.
613 (when (and (>= init-point start) (<= init-point end))
614 (let* ((new-end (notmuch-search-result-end start))
615 (new-point (if (= init-point end)
617 (min init-point (- new-end 1)))))
618 (goto-char new-point)))))
620 (defun notmuch-search-process-sentinel (proc msg)
621 "Add a message to let user know when \"notmuch search\" exits"
622 (let ((buffer (process-buffer proc))
623 (status (process-status proc))
624 (exit-status (process-exit-status proc))
625 (never-found-target-thread nil))
626 (when (memq status '(exit signal))
627 (kill-buffer (process-get proc 'parse-buf))
628 (if (buffer-live-p buffer)
629 (with-current-buffer buffer
631 (let ((inhibit-read-only t)
633 (goto-char (point-max))
634 (if (eq status 'signal)
635 (insert "Incomplete search results (search process was killed).\n"))
636 (when (eq status 'exit)
637 (insert "End of search results.")
638 (unless (= exit-status 0)
639 (insert (format " (process returned %d)" exit-status)))
642 (not (string= notmuch-search-target-thread "found")))
643 (set 'never-found-target-thread t)))))
644 (when (and never-found-target-thread
645 notmuch-search-target-line)
646 (goto-char (point-min))
647 (forward-line (1- notmuch-search-target-line))))))))
649 (defcustom notmuch-search-line-faces '(("unread" :weight bold)
650 ("flagged" :foreground "blue"))
651 "Tag/face mapping for line highlighting in notmuch-search.
653 Here is an example of how to color search results based on tags.
654 (the following text would be placed in your ~/.emacs file):
656 (setq notmuch-search-line-faces '((\"deleted\" . (:foreground \"red\"
657 :background \"blue\"))
658 (\"unread\" . (:foreground \"green\"))))
660 The attributes defined for matching tags are merged, with later
661 attributes overriding earlier. A message having both \"deleted\"
662 and \"unread\" tags with the above settings would have a green
663 foreground and blue background."
664 :type '(alist :key-type (string) :value-type (custom-face-edit))
665 :group 'notmuch-search
666 :group 'notmuch-faces)
668 (defun notmuch-search-color-line (start end line-tag-list)
669 "Colorize lines in `notmuch-show' based on tags."
671 (let ((tag (car elem))
672 (attributes (cdr elem)))
673 (when (member tag line-tag-list)
674 (notmuch-combine-face-text-property start end attributes))))
675 ;; Reverse the list so earlier entries take precedence
676 (reverse notmuch-search-line-faces)))
678 (defun notmuch-search-author-propertize (authors)
679 "Split `authors' into matching and non-matching authors and
680 propertize appropriately. If no boundary between authors and
681 non-authors is found, assume that all of the authors match."
682 (if (string-match "\\(.*\\)|\\(.*\\)" authors)
683 (concat (propertize (concat (match-string 1 authors) ",")
684 'face 'notmuch-search-matching-authors)
685 (propertize (match-string 2 authors)
686 'face 'notmuch-search-non-matching-authors))
687 (propertize authors 'face 'notmuch-search-matching-authors)))
689 (defun notmuch-search-insert-authors (format-string authors)
690 ;; Save the match data to avoid interfering with
691 ;; `notmuch-search-process-filter'.
693 (let* ((formatted-authors (format format-string authors))
694 (formatted-sample (format format-string ""))
695 (visible-string formatted-authors)
696 (invisible-string "")
699 ;; Truncate the author string to fit the specification.
700 (if (> (length formatted-authors)
701 (length formatted-sample))
702 (let ((visible-length (- (length formatted-sample)
704 ;; Truncate the visible string according to the width of
705 ;; the display string.
706 (setq visible-string (substring formatted-authors 0 visible-length)
707 invisible-string (substring formatted-authors visible-length))
708 ;; If possible, truncate the visible string at a natural
709 ;; break (comma or pipe), as incremental search doesn't
710 ;; match across the visible/invisible border.
711 (when (string-match "\\(.*\\)\\([,|] \\)\\([^,|]*\\)" visible-string)
712 ;; Second clause is destructive on `visible-string', so
713 ;; order is important.
714 (setq invisible-string (concat (match-string 3 visible-string)
716 visible-string (concat (match-string 1 visible-string)
717 (match-string 2 visible-string))))
718 ;; `visible-string' may be shorter than the space allowed
719 ;; by `format-string'. If so we must insert some padding
720 ;; after `invisible-string'.
721 (setq padding (make-string (- (length formatted-sample)
722 (length visible-string)
726 ;; Use different faces to show matching and non-matching authors.
727 (if (string-match "\\(.*\\)|\\(.*\\)" visible-string)
728 ;; The visible string contains both matching and
729 ;; non-matching authors.
730 (setq visible-string (notmuch-search-author-propertize visible-string)
731 ;; The invisible string must contain only non-matching
732 ;; authors, as the visible-string contains both.
733 invisible-string (propertize invisible-string
734 'face 'notmuch-search-non-matching-authors))
735 ;; The visible string contains only matching authors.
736 (setq visible-string (propertize visible-string
737 'face 'notmuch-search-matching-authors)
738 ;; The invisible string may contain both matching and
739 ;; non-matching authors.
740 invisible-string (notmuch-search-author-propertize invisible-string)))
742 ;; If there is any invisible text, add it as a tooltip to the
744 (when (not (string= invisible-string ""))
745 (setq visible-string (propertize visible-string 'help-echo (concat "..." invisible-string))))
747 ;; Insert the visible and, if present, invisible author strings.
748 (insert visible-string)
749 (when (not (string= invisible-string ""))
750 (let ((start (point))
752 (insert invisible-string)
753 (setq overlay (make-overlay start (point)))
754 (overlay-put overlay 'invisible 'ellipsis)
755 (overlay-put overlay 'isearch-open-invisible #'delete-overlay)))
758 (defun notmuch-search-insert-field (field format-string result)
760 ((string-equal field "date")
761 (insert (propertize (format format-string (plist-get result :date_relative))
762 'face 'notmuch-search-date)))
763 ((string-equal field "count")
764 (insert (propertize (format format-string
765 (format "[%s/%s]" (plist-get result :matched)
766 (plist-get result :total)))
767 'face 'notmuch-search-count)))
768 ((string-equal field "subject")
769 (insert (propertize (format format-string (plist-get result :subject))
770 'face 'notmuch-search-subject)))
772 ((string-equal field "authors")
773 (notmuch-search-insert-authors format-string (plist-get result :authors)))
775 ((string-equal field "tags")
776 ;; Ignore format-string here because notmuch-search-set-tags
777 ;; depends on the format of this
778 (insert (concat "(" (propertize
779 (mapconcat 'identity (plist-get result :tags) " ")
780 'font-lock-face 'notmuch-tag-face) ")")))))
782 (defun notmuch-search-show-result (result &optional pos)
783 "Insert RESULT at POS or the end of the buffer if POS is null."
784 ;; Ignore excluded matches
785 (unless (= (plist-get result :matched) 0)
786 (let ((beg (or pos (point-max))))
789 (dolist (spec notmuch-search-result-format)
790 (notmuch-search-insert-field (car spec) (cdr spec) result))
792 (notmuch-search-color-line beg (point) (plist-get result :tags))
793 (put-text-property beg (point) 'notmuch-search-result result)
794 (put-text-property beg (point) 'notmuch-search-thread-id
795 (concat "thread:" (plist-get result :thread)))
796 (put-text-property beg (point) 'notmuch-search-authors
797 (plist-get result :authors))
798 (put-text-property beg (point) 'notmuch-search-subject
799 (plist-get result :subject)))
800 (when (string= (plist-get result :thread) notmuch-search-target-thread)
801 (setq notmuch-search-target-thread "found")
804 (defun notmuch-search-show-error (string &rest objects)
806 (goto-char (point-max))
807 (insert "Error: Unexpected output from notmuch search:\n")
808 (insert (apply #'format string objects))
811 (defvar notmuch-search-process-state nil
812 "Parsing state of the search process filter.")
814 (defvar notmuch-search-json-parser nil
815 "Incremental JSON parser for the search process filter.")
817 (defun notmuch-search-process-filter (proc string)
818 "Process and filter the output of \"notmuch search\""
819 (let ((results-buf (process-buffer proc))
820 (parse-buf (process-get proc 'parse-buf))
821 (inhibit-read-only t)
823 (if (not (buffer-live-p results-buf))
824 (delete-process proc)
825 (with-current-buffer parse-buf
828 (goto-char (point-max))
830 (with-current-buffer results-buf
833 (case notmuch-search-process-state
835 ;; Enter the results list
836 (if (eq (notmuch-json-begin-compound
837 notmuch-search-json-parser) 'retry)
839 (setq notmuch-search-process-state 'result)))
842 (let ((result (notmuch-json-read notmuch-search-json-parser)))
844 ((retry) (setq done t))
845 ((end) (setq notmuch-search-process-state 'end))
846 (otherwise (notmuch-search-show-result result)))))
848 ;; Any trailing data is unexpected
849 (notmuch-json-eof notmuch-search-json-parser)
852 ;; Do our best to resynchronize and ensure forward
854 (notmuch-search-show-error
856 (with-current-buffer parse-buf
857 (let ((bad (buffer-substring (line-beginning-position)
858 (line-end-position))))
861 ;; Clear out what we've parsed
862 (with-current-buffer parse-buf
863 (delete-region (point-min) (point)))))))
865 (defun notmuch-search-tag-all (&optional tag-changes)
866 "Add/remove tags from all messages in current search buffer.
868 See `notmuch-tag' for information on the format of TAG-CHANGES."
870 (apply 'notmuch-tag notmuch-search-query-string tag-changes))
872 (defun notmuch-search-buffer-title (query)
873 "Returns the title for a buffer with notmuch search results."
877 (loop for tuple in notmuch-saved-searches
878 if (let ((quoted-query (regexp-quote (cdr tuple))))
879 (and (string-match (concat "^" quoted-query) query)
880 (> (length (match-string 0 query))
882 do (setq longest tuple))
884 (saved-search-name (car saved-search))
885 (saved-search-query (cdr saved-search)))
886 (cond ((and saved-search (equal saved-search-query query))
887 ;; Query is the same as saved search (ignoring case)
888 (concat "*notmuch-saved-search-" saved-search-name "*"))
890 (concat "*notmuch-search-"
891 (replace-regexp-in-string (concat "^" (regexp-quote saved-search-query))
892 (concat "[ " saved-search-name " ]")
896 (concat "*notmuch-search-" query "*"))
899 (defun notmuch-read-query (prompt)
900 "Read a notmuch-query from the minibuffer with completion.
902 PROMPT is the string to prompt with."
905 (append (list "folder:" "thread:" "id:" "date:" "from:" "to:"
906 "subject:" "attachment:")
907 (mapcar (lambda (tag)
909 (process-lines notmuch-command "search" "--output=tags" "*")))))
910 (let ((keymap (copy-keymap minibuffer-local-map))
911 (minibuffer-completion-table
912 (completion-table-dynamic
914 ;; generate a list of possible completions for the current input
916 ;; this ugly regexp is used to get the last word of the input
917 ;; possibly preceded by a '('
918 ((string-match "\\(^\\|.* (?\\)\\([^ ]*\\)$" string)
919 (mapcar (lambda (compl)
920 (concat (match-string-no-properties 1 string) compl))
921 (all-completions (match-string-no-properties 2 string)
923 (t (list string)))))))
924 ;; this was simpler than convincing completing-read to accept spaces:
925 (define-key keymap (kbd "TAB") 'minibuffer-complete)
926 (let ((history-delete-duplicates t))
927 (read-from-minibuffer prompt nil keymap nil
928 'notmuch-search-history nil nil)))))
931 (defun notmuch-search (&optional query oldest-first target-thread target-line continuation)
932 "Run \"notmuch search\" with the given `query' and display results.
934 If `query' is nil, it is read interactively from the minibuffer.
935 Other optional parameters are used as follows:
937 oldest-first: A Boolean controlling the sort order of returned threads
938 target-thread: A thread ID (with the thread: prefix) that will be made
939 current if it appears in the search results.
940 target-line: The line number to move to if the target thread does not
941 appear in the search results."
944 (setq query (notmuch-read-query "Notmuch search: ")))
945 (let ((buffer (get-buffer-create (notmuch-search-buffer-title query))))
946 (switch-to-buffer buffer)
947 (notmuch-search-mode)
948 ;; Don't track undo information for this buffer
949 (set 'buffer-undo-list t)
950 (set 'notmuch-search-query-string query)
951 (set 'notmuch-search-oldest-first oldest-first)
952 (set 'notmuch-search-target-thread target-thread)
953 (set 'notmuch-search-target-line target-line)
954 (set 'notmuch-search-continuation continuation)
955 (let ((proc (get-buffer-process (current-buffer)))
956 (inhibit-read-only t))
958 (error "notmuch search process already running for query `%s'" query)
961 (goto-char (point-min))
963 (let ((proc (start-process
964 "notmuch-search" buffer
965 notmuch-command "search"
968 "--sort=oldest-first"
969 "--sort=newest-first")
971 ;; Use a scratch buffer to accumulate partial output.
972 ;; This buffer will be killed by the sentinel, which
973 ;; should be called no matter how the process dies.
974 (parse-buf (generate-new-buffer " *notmuch search parse*")))
975 (set (make-local-variable 'notmuch-search-process-state) 'begin)
976 (set (make-local-variable 'notmuch-search-json-parser)
977 (notmuch-json-create-parser parse-buf))
978 (process-put proc 'parse-buf parse-buf)
979 (set-process-sentinel proc 'notmuch-search-process-sentinel)
980 (set-process-filter proc 'notmuch-search-process-filter)
981 (set-process-query-on-exit-flag proc nil))))
982 (run-hooks 'notmuch-search-hook)))
984 (defun notmuch-search-refresh-view ()
985 "Refresh the current view.
987 Kills the current buffer and runs a new search with the same
988 query string as the current search. If the current thread is in
989 the new search results, then point will be placed on the same
990 thread. Otherwise, point will be moved to attempt to be in the
991 same relative position within the new buffer."
993 (let ((target-line (line-number-at-pos))
994 (oldest-first notmuch-search-oldest-first)
995 (target-thread (notmuch-search-find-thread-id))
996 (query notmuch-search-query-string)
997 (continuation notmuch-search-continuation))
998 (notmuch-kill-this-buffer)
999 (notmuch-search query oldest-first target-thread target-line continuation)
1000 (goto-char (point-min))))
1002 (defcustom notmuch-poll-script nil
1003 "An external script to incorporate new mail into the notmuch database.
1005 This variable controls the action invoked by
1006 `notmuch-search-poll-and-refresh-view' and
1007 `notmuch-hello-poll-and-update' (each have a default keybinding
1008 of 'G') to incorporate new mail into the notmuch database.
1010 If set to nil (the default), new mail is processed by invoking
1011 \"notmuch new\". Otherwise, this should be set to a string that
1012 gives the name of an external script that processes new mail. If
1013 set to the empty string, no command will be run.
1015 The external script could do any of the following depending on
1018 1. Invoke a program to transfer mail to the local mail store
1019 2. Invoke \"notmuch new\" to incorporate the new mail
1020 3. Invoke one or more \"notmuch tag\" commands to classify the mail
1022 Note that the recommended way of achieving the same is using
1023 \"notmuch new\" hooks."
1024 :type '(choice (const :tag "notmuch new" nil)
1025 (const :tag "Disabled" "")
1026 (string :tag "Custom script"))
1027 :group 'notmuch-external)
1029 (defun notmuch-poll ()
1030 "Run \"notmuch new\" or an external script to import mail.
1032 Invokes `notmuch-poll-script', \"notmuch new\", or does nothing
1033 depending on the value of `notmuch-poll-script'."
1035 (if (stringp notmuch-poll-script)
1036 (unless (string= notmuch-poll-script "")
1037 (call-process notmuch-poll-script nil nil))
1038 (call-process notmuch-command nil nil nil "new")))
1040 (defun notmuch-search-poll-and-refresh-view ()
1041 "Invoke `notmuch-poll' to import mail, then refresh the current view."
1044 (notmuch-search-refresh-view))
1046 (defun notmuch-search-toggle-order ()
1047 "Toggle the current search order.
1049 By default, the \"inbox\" view created by `notmuch' is displayed
1050 in chronological order (oldest thread at the beginning of the
1051 buffer), while any global searches created by `notmuch-search'
1052 are displayed in reverse-chronological order (newest thread at
1053 the beginning of the buffer).
1055 This command toggles the sort order for the current search.
1057 Note that any filtered searches created by
1058 `notmuch-search-filter' retain the search order of the parent
1061 (set 'notmuch-search-oldest-first (not notmuch-search-oldest-first))
1062 (notmuch-search-refresh-view))
1064 (defun notmuch-search-filter (query)
1065 "Filter the current search results based on an additional query string.
1067 Runs a new search matching only messages that match both the
1068 current search results AND the additional query string provided."
1069 (interactive (list (notmuch-read-query "Filter search: ")))
1070 (let ((grouped-query (if (string-match-p notmuch-search-disjunctive-regexp query)
1071 (concat "( " query " )")
1073 (notmuch-search (if (string= notmuch-search-query-string "*")
1075 (concat notmuch-search-query-string " and " grouped-query)) notmuch-search-oldest-first)))
1077 (defun notmuch-search-filter-by-tag (tag)
1078 "Filter the current search results based on a single tag.
1080 Runs a new search matching only messages that match both the
1081 current search results AND that are tagged with the given tag."
1083 (list (notmuch-select-tag-with-completion "Filter by tag: ")))
1084 (notmuch-search (concat notmuch-search-query-string " and tag:" tag) notmuch-search-oldest-first))
1088 "Run notmuch and display saved searches, known tags, etc."
1092 (defun notmuch-interesting-buffer (b)
1093 "Is the current buffer of interest to a notmuch user?"
1094 (with-current-buffer b
1095 (memq major-mode '(notmuch-show-mode
1101 (defun notmuch-cycle-notmuch-buffers ()
1102 "Cycle through any existing notmuch buffers (search, show or hello).
1104 If the current buffer is the only notmuch buffer, bury it. If no
1105 notmuch buffers exist, run `notmuch'."
1109 ;; If the current buffer is a notmuch buffer, remember it and then
1111 (when (notmuch-interesting-buffer (current-buffer))
1112 (setq start (current-buffer))
1115 ;; Find the first notmuch buffer.
1116 (setq first (loop for buffer in (buffer-list)
1117 if (notmuch-interesting-buffer buffer)
1121 ;; If the first one we found is any other than the starting
1122 ;; buffer, switch to it.
1123 (unless (eq first start)
1124 (switch-to-buffer first))
1127 (setq mail-user-agent 'notmuch-user-agent)