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))
55 (require 'notmuch-lib)
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 :type '(alist :key-type (string) :value-type (string))
74 :group 'notmuch-search)
76 (defvar notmuch-query-history nil
77 "Variable to store minibuffer history for notmuch queries")
79 (defvar notmuch-select-tag-history nil
80 "Variable to store minibuffer history for
81 `notmuch-select-tag-with-completion' function.")
83 (defvar notmuch-read-tag-changes-history nil
84 "Variable to store minibuffer history for
85 `notmuch-read-tag-changes' function.")
87 (defun notmuch-tag-completions (&optional search-terms)
89 (with-output-to-string
90 (with-current-buffer standard-output
91 (apply 'call-process notmuch-command nil t
92 nil "search-tags" search-terms)))
95 (defun notmuch-select-tag-with-completion (prompt &rest search-terms)
96 (let ((tag-list (notmuch-tag-completions search-terms)))
97 (completing-read prompt tag-list nil nil nil 'notmuch-select-tag-history)))
99 (defun notmuch-read-tag-changes (&optional initial-input &rest search-terms)
100 (let* ((all-tag-list (notmuch-tag-completions))
101 (add-tag-list (mapcar (apply-partially 'concat "+") all-tag-list))
102 (remove-tag-list (mapcar (apply-partially 'concat "-")
103 (if (null search-terms)
105 (notmuch-tag-completions search-terms))))
106 (tag-list (append add-tag-list remove-tag-list))
108 ;; By default, space is bound to "complete word" function.
109 ;; Re-bind it to insert a space instead. Note that <tab>
110 ;; still does the completion.
111 (crm-local-completion-map
112 (let ((map (make-sparse-keymap)))
113 (set-keymap-parent map crm-local-completion-map)
114 (define-key map " " 'self-insert-command)
116 (delete "" (completing-read-multiple "Tags (+add -drop): "
117 tag-list nil nil initial-input
118 'notmuch-read-tag-changes-history))))
120 (defun notmuch-update-tags (tags tag-changes)
121 "Return a copy of TAGS with additions and removals from TAG-CHANGES.
123 TAG-CHANGES must be a list of tags names, each prefixed with
124 either a \"+\" to indicate the tag should be added to TAGS if not
125 present or a \"-\" to indicate that the tag should be removed
126 from TAGS if present."
127 (let ((result-tags (copy-sequence tags)))
128 (dolist (tag-change tag-changes)
129 (let ((op (string-to-char tag-change))
130 (tag (unless (string= tag-change "") (substring tag-change 1))))
132 (?+ (unless (member tag result-tags)
133 (push tag result-tags)))
134 (?- (setq result-tags (delete tag result-tags)))
136 (error "Changed tag must be of the form `+this_tag' or `-that_tag'")))))
137 (sort result-tags 'string<)))
139 (defun notmuch-foreach-mime-part (function mm-handle)
140 (cond ((stringp (car mm-handle))
141 (dolist (part (cdr mm-handle))
142 (notmuch-foreach-mime-part function part)))
143 ((bufferp (car mm-handle))
144 (funcall function mm-handle))
145 (t (dolist (part mm-handle)
146 (notmuch-foreach-mime-part function part)))))
148 (defun notmuch-count-attachments (mm-handle)
150 (notmuch-foreach-mime-part
152 (let ((disposition (mm-handle-disposition p)))
153 (and (listp disposition)
154 (or (equal (car disposition) "attachment")
155 (and (equal (car disposition) "inline")
156 (assq 'filename disposition)))
161 (defun notmuch-save-attachments (mm-handle &optional queryp)
162 (notmuch-foreach-mime-part
164 (let ((disposition (mm-handle-disposition p)))
165 (and (listp disposition)
166 (or (equal (car disposition) "attachment")
167 (and (equal (car disposition) "inline")
168 (assq 'filename disposition)))
171 (concat "Save '" (cdr (assq 'filename disposition)) "' ")))
175 (defun notmuch-documentation-first-line (symbol)
176 "Return the first line of the documentation string for SYMBOL."
177 (let ((doc (documentation symbol)))
180 (insert (documentation symbol t))
181 (goto-char (point-min))
184 (buffer-substring beg (point))))
187 (defun notmuch-prefix-key-description (key)
188 "Given a prefix key code, return a human-readable string representation.
190 This is basically just `format-kbd-macro' but we also convert ESC to M-."
191 (let ((desc (format-kbd-macro (vector key))))
192 (if (string= desc "ESC")
196 ;; I would think that emacs would have code handy for walking a keymap
197 ;; and generating strings for each key, and I would prefer to just call
198 ;; that. But I couldn't find any (could be all implemented in C I
199 ;; suppose), so I wrote my own here.
200 (defun notmuch-substitute-one-command-key-with-prefix (prefix binding)
201 "For a key binding, return a string showing a human-readable
202 representation of the prefixed key as well as the first line of
203 documentation from the bound function.
205 For a mouse binding, return nil."
206 (let ((key (car binding))
207 (action (cdr binding)))
208 (if (mouse-event-p key)
211 (let ((substitute (apply-partially 'notmuch-substitute-one-command-key-with-prefix (notmuch-prefix-key-description key)))
213 (map-keymap (lambda (a b)
214 (push (cons a b) as-list))
216 (mapconcat substitute as-list "\n"))
217 (concat prefix (format-kbd-macro (vector key))
219 (notmuch-documentation-first-line action))))))
221 (defun notmuch-substitute-command-keys-one (key)
222 ;; A `keymap' key indicates inheritance from a parent keymap - the
223 ;; inherited mappings follow, so there is nothing to print for
225 (when (not (eq key 'keymap))
226 (notmuch-substitute-one-command-key-with-prefix nil key)))
228 (defun notmuch-substitute-command-keys (doc)
229 "Like `substitute-command-keys' but with documentation, not function names."
231 (while (string-match "\\\\{\\([^}[:space:]]*\\)}" doc beg)
232 (let* ((keymap-name (substring doc (match-beginning 1) (match-end 1)))
233 (keymap (symbol-value (intern keymap-name))))
234 (setq doc (replace-match
235 (mapconcat #'notmuch-substitute-command-keys-one
238 (setq beg (match-end 0)))
241 (defun notmuch-help ()
242 "Display help for the current notmuch mode."
244 (let* ((mode major-mode)
245 (doc (substitute-command-keys (notmuch-substitute-command-keys (documentation mode t)))))
246 (with-current-buffer (generate-new-buffer "*notmuch-help*")
248 (goto-char (point-min))
249 (set-buffer-modified-p nil)
250 (view-buffer (current-buffer) 'kill-buffer-if-not-modified))))
254 (defun notmuch-hl-line-mode ()
255 (prog1 (hl-line-mode)
256 (when hl-line-overlay
257 (overlay-put hl-line-overlay 'priority 1))))
259 (defcustom notmuch-search-hook '(notmuch-hl-line-mode)
260 "List of functions to call when notmuch displays the search results."
262 :options '(notmuch-hl-line-mode)
263 :group 'notmuch-search
264 :group 'notmuch-hooks)
266 (defvar notmuch-search-mode-map
267 (let ((map (make-sparse-keymap)))
268 (define-key map "?" 'notmuch-help)
269 (define-key map "q" 'notmuch-search-quit)
270 (define-key map "x" 'notmuch-search-quit)
271 (define-key map (kbd "<DEL>") 'notmuch-search-scroll-down)
272 (define-key map "b" 'notmuch-search-scroll-down)
273 (define-key map " " 'notmuch-search-scroll-up)
274 (define-key map "<" 'notmuch-search-first-thread)
275 (define-key map ">" 'notmuch-search-last-thread)
276 (define-key map "p" 'notmuch-search-previous-thread)
277 (define-key map "n" 'notmuch-search-next-thread)
278 (define-key map "r" 'notmuch-search-reply-to-thread-sender)
279 (define-key map "R" 'notmuch-search-reply-to-thread)
280 (define-key map "m" 'notmuch-mua-new-mail)
281 (define-key map "s" 'notmuch-search)
282 (define-key map "o" 'notmuch-search-toggle-order)
283 (define-key map "c" 'notmuch-search-stash-map)
284 (define-key map "=" 'notmuch-search-refresh-view)
285 (define-key map "G" 'notmuch-search-poll-and-refresh-view)
286 (define-key map "t" 'notmuch-search-filter-by-tag)
287 (define-key map "f" 'notmuch-search-filter)
288 (define-key map [mouse-1] 'notmuch-search-show-thread)
289 (define-key map "*" 'notmuch-search-tag-all)
290 (define-key map "a" 'notmuch-search-archive-thread)
291 (define-key map "-" 'notmuch-search-remove-tag)
292 (define-key map "+" 'notmuch-search-add-tag)
293 (define-key map (kbd "RET") 'notmuch-search-show-thread)
295 "Keymap for \"notmuch search\" buffers.")
296 (fset 'notmuch-search-mode-map notmuch-search-mode-map)
298 (defvar notmuch-search-stash-map
299 (let ((map (make-sparse-keymap)))
300 (define-key map "i" 'notmuch-search-stash-thread-id)
302 "Submap for stash commands")
303 (fset 'notmuch-search-stash-map notmuch-search-stash-map)
305 (defun notmuch-search-stash-thread-id ()
306 "Copy thread ID of current thread to kill-ring."
308 (notmuch-common-do-stash (notmuch-search-find-thread-id)))
310 (defvar notmuch-search-query-string)
311 (defvar notmuch-search-target-thread)
312 (defvar notmuch-search-target-line)
313 (defvar notmuch-search-continuation)
315 (defvar notmuch-search-disjunctive-regexp "\\<[oO][rR]\\>")
317 (defun notmuch-search-quit ()
318 "Exit the search buffer, calling any defined continuation function."
320 (let ((continuation notmuch-search-continuation))
321 (notmuch-kill-this-buffer)
323 (funcall continuation))))
325 (defun notmuch-search-scroll-up ()
326 "Move forward through search results by one window's worth."
330 ((end-of-buffer) (notmuch-search-last-thread))))
332 (defun notmuch-search-scroll-down ()
333 "Move backward through the search results by one window's worth."
335 ;; I don't know why scroll-down doesn't signal beginning-of-buffer
336 ;; the way that scroll-up signals end-of-buffer, but c'est la vie.
338 ;; So instead of trapping a signal we instead check whether the
339 ;; window begins on the first line of the buffer and if so, move
340 ;; directly to that position. (We have to count lines since the
341 ;; window-start position is not the same as point-min due to the
342 ;; invisible thread-ID characters on the first line.
343 (if (equal (count-lines (point-min) (window-start)) 0)
344 (goto-char (point-min))
347 (defun notmuch-search-next-thread ()
348 "Select the next thread in the search results."
352 (defun notmuch-search-previous-thread ()
353 "Select the previous thread in the search results."
357 (defun notmuch-search-last-thread ()
358 "Select the last thread in the search results."
360 (goto-char (point-max))
363 (defun notmuch-search-first-thread ()
364 "Select the first thread in the search results."
366 (goto-char (point-min)))
368 (defface notmuch-message-summary-face
369 '((((class color) (background light)) (:background "#f0f0f0"))
370 (((class color) (background dark)) (:background "#303030")))
371 "Face for the single-line message summary in notmuch-show-mode."
373 :group 'notmuch-faces)
375 (defface notmuch-search-date
376 '((t :inherit default))
377 "Face used in search mode for dates."
378 :group 'notmuch-search
379 :group 'notmuch-faces)
381 (defface notmuch-search-count
382 '((t :inherit default))
383 "Face used in search mode for the count matching the query."
384 :group 'notmuch-search
385 :group 'notmuch-faces)
387 (defface notmuch-search-subject
388 '((t :inherit default))
389 "Face used in search mode for subjects."
390 :group 'notmuch-search
391 :group 'notmuch-faces)
393 (defface notmuch-search-matching-authors
394 '((t :inherit default))
395 "Face used in search mode for authors matching the query."
396 :group 'notmuch-search
397 :group 'notmuch-faces)
399 (defface notmuch-search-non-matching-authors
402 (:foreground "grey30"))
405 (:foreground "grey60"))
408 "Face used in search mode for authors not matching the query."
409 :group 'notmuch-search
410 :group 'notmuch-faces)
412 (defface notmuch-tag-face
415 (:foreground "OliveDrab1"))
418 (:foreground "navy blue" :bold t))
421 "Face used in search mode face for tags."
422 :group 'notmuch-search
423 :group 'notmuch-faces)
425 (defun notmuch-search-mode ()
426 "Major mode displaying results of a notmuch search.
428 This buffer contains the results of a \"notmuch search\" of your
429 email archives. Each line in the buffer represents a single
430 thread giving a summary of the thread (a relative date, the
431 number of matched messages and total messages in the thread,
432 participants in the thread, a representative subject line, and
435 Pressing \\[notmuch-search-show-thread] on any line displays that thread. The '\\[notmuch-search-add-tag]' and '\\[notmuch-search-remove-tag]'
436 keys can be used to add or remove tags from a thread. The '\\[notmuch-search-archive-thread]' key
437 is a convenience for archiving a thread (removing the \"inbox\"
438 tag). The '\\[notmuch-search-tag-all]' key can be used to add or remove a tag from all
439 threads in the current buffer.
441 Other useful commands are '\\[notmuch-search-filter]' for filtering the current search
442 based on an additional query string, '\\[notmuch-search-filter-by-tag]' for filtering to include
443 only messages with a given tag, and '\\[notmuch-search]' to execute a new, global
446 Complete list of currently available key bindings:
448 \\{notmuch-search-mode-map}"
450 (kill-all-local-variables)
451 (make-local-variable 'notmuch-search-query-string)
452 (make-local-variable 'notmuch-search-oldest-first)
453 (make-local-variable 'notmuch-search-target-thread)
454 (make-local-variable 'notmuch-search-target-line)
455 (set (make-local-variable 'notmuch-search-continuation) nil)
456 (set (make-local-variable 'scroll-preserve-screen-position) t)
457 (add-to-invisibility-spec (cons 'ellipsis t))
458 (use-local-map notmuch-search-mode-map)
459 (setq truncate-lines t)
460 (setq major-mode 'notmuch-search-mode
461 mode-name "notmuch-search")
462 (setq buffer-read-only t))
464 (defun notmuch-search-properties-in-region (property beg end)
467 (last-line (line-number-at-pos end))
468 (max-line (- (line-number-at-pos (point-max)) 2)))
471 (while (<= (line-number-at-pos) (min last-line max-line))
472 (setq output (cons (get-text-property (point) property) output))
476 (defun notmuch-search-find-thread-id ()
477 "Return the thread for the current thread"
478 (get-text-property (point) 'notmuch-search-thread-id))
480 (defun notmuch-search-find-thread-id-region (beg end)
481 "Return a list of threads for the current region"
482 (notmuch-search-properties-in-region 'notmuch-search-thread-id beg end))
484 (defun notmuch-search-find-thread-id-region-search (beg end)
485 "Return a search string for threads for the current region"
486 (mapconcat 'identity (notmuch-search-find-thread-id-region beg end) " or "))
488 (defun notmuch-search-find-authors ()
489 "Return the authors for the current thread"
490 (get-text-property (point) 'notmuch-search-authors))
492 (defun notmuch-search-find-authors-region (beg end)
493 "Return a list of authors for the current region"
494 (notmuch-search-properties-in-region 'notmuch-search-authors beg end))
496 (defun notmuch-search-find-subject ()
497 "Return the subject for the current thread"
498 (get-text-property (point) 'notmuch-search-subject))
500 (defun notmuch-search-find-subject-region (beg end)
501 "Return a list of authors for the current region"
502 (notmuch-search-properties-in-region 'notmuch-search-subject beg end))
504 (defun notmuch-search-show-thread ()
505 "Display the currently selected thread."
507 (let ((thread-id (notmuch-search-find-thread-id))
508 (subject (notmuch-prettify-subject (notmuch-search-find-subject))))
509 (if (> (length thread-id) 0)
510 (notmuch-show thread-id
512 notmuch-search-query-string
513 ;; Name the buffer based on the subject.
514 (concat "*" (truncate-string-to-width subject 30 nil nil t) "*"))
515 (message "End of search results."))))
517 (defun notmuch-search-reply-to-thread (&optional prompt-for-sender)
518 "Begin composing a reply-all to the entire current thread in a new buffer."
520 (let ((message-id (notmuch-search-find-thread-id)))
521 (notmuch-mua-new-reply message-id prompt-for-sender t)))
523 (defun notmuch-search-reply-to-thread-sender (&optional prompt-for-sender)
524 "Begin composing a reply to the entire current thread in a new buffer."
526 (let ((message-id (notmuch-search-find-thread-id)))
527 (notmuch-mua-new-reply message-id prompt-for-sender nil)))
529 (defun notmuch-call-notmuch-process (&rest args)
530 "Synchronously invoke \"notmuch\" with the given list of arguments.
532 Output from the process will be presented to the user as an error
533 and will also appear in a buffer named \"*Notmuch errors*\"."
534 (let ((error-buffer (get-buffer-create "*Notmuch errors*")))
535 (with-current-buffer error-buffer
537 (if (eq (apply 'call-process notmuch-command nil error-buffer nil args) 0)
540 (with-current-buffer error-buffer
541 (let ((beg (point-min))
542 (end (- (point-max) 1)))
543 (error (buffer-substring beg end))
546 (defun notmuch-tag (query &rest tag-changes)
547 "Add/remove tags in TAG-CHANGES to messages matching QUERY.
549 TAG-CHANGES should be a list of strings of the form \"+tag\" or
550 \"-tag\" and QUERY should be a string containing the
553 Note: Other code should always use this function alter tags of
554 messages instead of running (notmuch-call-notmuch-process \"tag\" ..)
555 directly, so that hooks specified in notmuch-before-tag-hook and
556 notmuch-after-tag-hook will be run."
557 ;; Perform some validation
558 (mapc (lambda (tag-change)
559 (unless (string-match-p "^[-+]\\S-+$" tag-change)
560 (error "Tag must be of the form `+this_tag' or `-that_tag'")))
562 (unless (null tag-changes)
563 (run-hooks 'notmuch-before-tag-hook)
564 (apply 'notmuch-call-notmuch-process "tag"
565 (append tag-changes (list "--" query)))
566 (run-hooks 'notmuch-after-tag-hook)))
568 (defcustom notmuch-before-tag-hook nil
569 "Hooks that are run before tags of a message are modified.
571 'tags' will contain the tags that are about to be added or removed as
572 a list of strings of the form \"+TAG\" or \"-TAG\".
573 'query' will be a string containing the search query that determines
574 the messages that are about to be tagged"
577 :options '(notmuch-hl-line-mode)
578 :group 'notmuch-hooks)
580 (defcustom notmuch-after-tag-hook nil
581 "Hooks that are run after tags of a message are modified.
583 'tags' will contain the tags that were added or removed as
584 a list of strings of the form \"+TAG\" or \"-TAG\".
585 'query' will be a string containing the search query that determines
586 the messages that were tagged"
588 :options '(notmuch-hl-line-mode)
589 :group 'notmuch-hooks)
591 (defun notmuch-search-set-tags (tags)
594 (re-search-backward "(")
597 (inhibit-read-only t))
598 (re-search-forward ")")
601 (delete-region beg end)
602 (insert (propertize (mapconcat 'identity tags " ")
603 'face 'notmuch-tag-face))))))
605 (defun notmuch-search-get-tags ()
608 (re-search-backward "(")
609 (let ((beg (+ (point) 1)))
610 (re-search-forward ")")
611 (let ((end (- (point) 1)))
612 (split-string (buffer-substring-no-properties beg end))))))
614 (defun notmuch-search-get-tags-region (beg end)
617 (last-line (line-number-at-pos end))
618 (max-line (- (line-number-at-pos (point-max)) 2)))
620 (while (<= (line-number-at-pos) (min last-line max-line))
621 (setq output (append output (notmuch-search-get-tags)))
625 (defun notmuch-search-tag-thread (&rest tag-changes)
626 "Change tags for the currently selected thread.
628 See `notmuch-search-tag-region' for details."
629 (apply 'notmuch-search-tag-region (point) (point) tag-changes))
631 (defun notmuch-search-tag-region (beg end &rest tag-changes)
632 "Change tags for threads in the given region.
634 TAGS is a list of tag operations for `notmuch-tag'. The tags are
635 added or removed for all threads in the region from BEG to END."
636 (let ((search-string (notmuch-search-find-thread-id-region-search beg end)))
637 (apply 'notmuch-tag search-string tag-changes)
639 (let ((last-line (line-number-at-pos end))
640 (max-line (- (line-number-at-pos (point-max)) 2)))
642 (while (<= (line-number-at-pos) (min last-line max-line))
643 (notmuch-search-set-tags
644 (notmuch-update-tags (notmuch-search-get-tags) tag-changes))
647 (defun notmuch-search-tag (&optional initial-input)
648 "Change tags for the currently selected thread or region."
650 (let* ((beg (if (region-active-p) (region-beginning) (point)))
651 (end (if (region-active-p) (region-end) (point)))
652 (search-string (notmuch-search-find-thread-id-region-search beg end))
653 (tags (notmuch-read-tag-changes initial-input search-string)))
654 (apply 'notmuch-search-tag-region beg end tags)))
656 (defun notmuch-search-add-tag ()
657 "Same as `notmuch-search-tag' but sets initial input to '+'."
659 (notmuch-search-tag "+"))
661 (defun notmuch-search-remove-tag ()
662 "Same as `notmuch-search-tag' but sets initial input to '-'."
664 (notmuch-search-tag "-"))
666 (defun notmuch-search-archive-thread ()
667 "Archive the currently selected thread (remove its \"inbox\" tag).
669 This function advances the next thread when finished."
671 (notmuch-search-tag-thread "-inbox")
672 (notmuch-search-next-thread))
674 (defvar notmuch-search-process-filter-data nil
675 "Data that has not yet been processed.")
676 (make-variable-buffer-local 'notmuch-search-process-filter-data)
678 (defun notmuch-search-process-sentinel (proc msg)
679 "Add a message to let user know when \"notmuch search\" exits"
680 (let ((buffer (process-buffer proc))
681 (status (process-status proc))
682 (exit-status (process-exit-status proc))
683 (never-found-target-thread nil))
684 (if (memq status '(exit signal))
685 (if (buffer-live-p buffer)
686 (with-current-buffer buffer
688 (let ((inhibit-read-only t)
690 (goto-char (point-max))
691 (if (eq status 'signal)
692 (insert "Incomplete search results (search process was killed).\n"))
693 (when (eq status 'exit)
694 (if notmuch-search-process-filter-data
695 (insert (concat "Error: Unexpected output from notmuch search:\n" notmuch-search-process-filter-data)))
696 (insert "End of search results.")
697 (unless (= exit-status 0)
698 (insert (format " (process returned %d)" exit-status)))
701 (not (string= notmuch-search-target-thread "found")))
702 (set 'never-found-target-thread t)))))
703 (when (and never-found-target-thread
704 notmuch-search-target-line)
705 (goto-char (point-min))
706 (forward-line (1- notmuch-search-target-line))))))))
708 (defcustom notmuch-search-line-faces '(("unread" :weight bold)
709 ("flagged" :foreground "blue"))
710 "Tag/face mapping for line highlighting in notmuch-search.
712 Here is an example of how to color search results based on tags.
713 (the following text would be placed in your ~/.emacs file):
715 (setq notmuch-search-line-faces '((\"delete\" . (:foreground \"red\"
716 :background \"blue\"))
717 (\"unread\" . (:foreground \"green\"))))
719 The attributes defined for matching tags are merged, with later
720 attributes overriding earlier. A message having both \"delete\"
721 and \"unread\" tags with the above settings would have a green
722 foreground and blue background."
723 :type '(alist :key-type (string) :value-type (custom-face-edit))
724 :group 'notmuch-search
725 :group 'notmuch-faces)
727 (defun notmuch-search-color-line (start end line-tag-list)
728 "Colorize lines in `notmuch-show' based on tags."
729 ;; Create the overlay only if the message has tags which match one
730 ;; of those specified in `notmuch-search-line-faces'.
733 (let ((tag (car elem))
734 (attributes (cdr elem)))
735 (when (member tag line-tag-list)
737 (setq overlay (make-overlay start end)))
738 ;; Merge the specified properties with any already
739 ;; applied from an earlier match.
740 (overlay-put overlay 'face
741 (append (overlay-get overlay 'face) attributes)))))
742 notmuch-search-line-faces)))
744 (defun notmuch-search-author-propertize (authors)
745 "Split `authors' into matching and non-matching authors and
746 propertize appropriately. If no boundary between authors and
747 non-authors is found, assume that all of the authors match."
748 (if (string-match "\\(.*\\)|\\(.*\\)" authors)
749 (concat (propertize (concat (match-string 1 authors) ",")
750 'face 'notmuch-search-matching-authors)
751 (propertize (match-string 2 authors)
752 'face 'notmuch-search-non-matching-authors))
753 (propertize authors 'face 'notmuch-search-matching-authors)))
755 (defun notmuch-search-insert-authors (format-string authors)
756 ;; Save the match data to avoid interfering with
757 ;; `notmuch-search-process-filter'.
759 (let* ((formatted-authors (format format-string authors))
760 (formatted-sample (format format-string ""))
761 (visible-string formatted-authors)
762 (invisible-string "")
765 ;; Truncate the author string to fit the specification.
766 (if (> (length formatted-authors)
767 (length formatted-sample))
768 (let ((visible-length (- (length formatted-sample)
770 ;; Truncate the visible string according to the width of
771 ;; the display string.
772 (setq visible-string (substring formatted-authors 0 visible-length)
773 invisible-string (substring formatted-authors visible-length))
774 ;; If possible, truncate the visible string at a natural
775 ;; break (comma or pipe), as incremental search doesn't
776 ;; match across the visible/invisible border.
777 (when (string-match "\\(.*\\)\\([,|] \\)\\([^,|]*\\)" visible-string)
778 ;; Second clause is destructive on `visible-string', so
779 ;; order is important.
780 (setq invisible-string (concat (match-string 3 visible-string)
782 visible-string (concat (match-string 1 visible-string)
783 (match-string 2 visible-string))))
784 ;; `visible-string' may be shorter than the space allowed
785 ;; by `format-string'. If so we must insert some padding
786 ;; after `invisible-string'.
787 (setq padding (make-string (- (length formatted-sample)
788 (length visible-string)
792 ;; Use different faces to show matching and non-matching authors.
793 (if (string-match "\\(.*\\)|\\(.*\\)" visible-string)
794 ;; The visible string contains both matching and
795 ;; non-matching authors.
796 (setq visible-string (notmuch-search-author-propertize visible-string)
797 ;; The invisible string must contain only non-matching
798 ;; authors, as the visible-string contains both.
799 invisible-string (propertize invisible-string
800 'face 'notmuch-search-non-matching-authors))
801 ;; The visible string contains only matching authors.
802 (setq visible-string (propertize visible-string
803 'face 'notmuch-search-matching-authors)
804 ;; The invisible string may contain both matching and
805 ;; non-matching authors.
806 invisible-string (notmuch-search-author-propertize invisible-string)))
808 ;; If there is any invisible text, add it as a tooltip to the
810 (when (not (string= invisible-string ""))
811 (setq visible-string (propertize visible-string 'help-echo (concat "..." invisible-string))))
813 ;; Insert the visible and, if present, invisible author strings.
814 (insert visible-string)
815 (when (not (string= invisible-string ""))
816 (let ((start (point))
818 (insert invisible-string)
819 (setq overlay (make-overlay start (point)))
820 (overlay-put overlay 'invisible 'ellipsis)
821 (overlay-put overlay 'isearch-open-invisible #'delete-overlay)))
824 (defun notmuch-search-insert-field (field date count authors subject tags)
826 ((string-equal field "date")
827 (insert (propertize (format (cdr (assoc field notmuch-search-result-format)) date)
828 'face 'notmuch-search-date)))
829 ((string-equal field "count")
830 (insert (propertize (format (cdr (assoc field notmuch-search-result-format)) count)
831 'face 'notmuch-search-count)))
832 ((string-equal field "subject")
833 (insert (propertize (format (cdr (assoc field notmuch-search-result-format)) subject)
834 'face 'notmuch-search-subject)))
836 ((string-equal field "authors")
837 (notmuch-search-insert-authors (cdr (assoc field notmuch-search-result-format)) authors))
839 ((string-equal field "tags")
840 (insert (concat "(" (propertize tags 'font-lock-face 'notmuch-tag-face) ")")))))
842 (defun notmuch-search-show-result (date count authors subject tags)
843 (let ((fields) (field))
844 (setq fields (mapcar 'car notmuch-search-result-format))
845 (loop for field in fields
846 do (notmuch-search-insert-field field date count authors subject tags)))
849 (defun notmuch-search-process-filter (proc string)
850 "Process and filter the output of \"notmuch search\""
851 (let ((buffer (process-buffer proc))
853 (if (buffer-live-p buffer)
854 (with-current-buffer buffer
858 (inhibit-read-only t)
859 (string (concat notmuch-search-process-filter-data string)))
860 (setq notmuch-search-process-filter-data nil)
862 (while (and (< line (length string)) (= (elt string line) ?\n))
863 (setq line (1+ line)))
864 (if (string-match "^\\(thread:[0-9A-Fa-f]*\\) \\([^][]*\\) \\(\\[[0-9/]*\\]\\) \\([^;]*\\); \\(.*\\) (\\([^()]*\\))$" string line)
865 (let* ((thread-id (match-string 1 string))
866 (date (match-string 2 string))
867 (count (match-string 3 string))
868 (authors (match-string 4 string))
869 (subject (match-string 5 string))
870 (tags (match-string 6 string))
871 (tag-list (if tags (save-match-data (split-string tags)))))
872 (goto-char (point-max))
873 (if (/= (match-beginning 1) line)
874 (insert (concat "Error: Unexpected output from notmuch search:\n" (substring string line (match-beginning 1)) "\n")))
876 (notmuch-search-show-result date count authors
877 (notmuch-prettify-subject subject) tags)
878 (notmuch-search-color-line beg (point) tag-list)
879 (put-text-property beg (point) 'notmuch-search-thread-id thread-id)
880 (put-text-property beg (point) 'notmuch-search-authors authors)
881 (put-text-property beg (point) 'notmuch-search-subject subject)
882 (when (string= thread-id notmuch-search-target-thread)
883 (set 'found-target beg)
884 (set 'notmuch-search-target-thread "found")))
885 (set 'line (match-end 0)))
887 (while (and (< line (length string)) (= (elt string line) ?\n))
888 (setq line (1+ line)))
889 (if (< line (length string))
890 (setq notmuch-search-process-filter-data (substring string line)))
893 (goto-char found-target)))
894 (delete-process proc))))
896 (defun notmuch-search-tag-all (&rest tag-changes)
897 "Add/remove tags from all matching messages.
899 This command adds or removes tags from all messages matching the
900 current search terms. When called interactively, this command
901 will prompt for tags to be added or removed. Tags prefixed with
902 '+' will be added and tags prefixed with '-' will be removed.
904 Each character of the tag name may consist of alphanumeric
905 characters as well as `_.+-'.
907 (interactive (notmuch-read-tag-changes))
908 (apply 'notmuch-tag notmuch-search-query-string tag-changes))
910 (defun notmuch-search-buffer-title (query)
911 "Returns the title for a buffer with notmuch search results."
915 (loop for tuple in notmuch-saved-searches
916 if (let ((quoted-query (regexp-quote (cdr tuple))))
917 (and (string-match (concat "^" quoted-query) query)
918 (> (length (match-string 0 query))
920 do (setq longest tuple))
922 (saved-search-name (car saved-search))
923 (saved-search-query (cdr saved-search)))
924 (cond ((and saved-search (equal saved-search-query query))
925 ;; Query is the same as saved search (ignoring case)
926 (concat "*notmuch-saved-search-" saved-search-name "*"))
928 (concat "*notmuch-search-"
929 (replace-regexp-in-string (concat "^" (regexp-quote saved-search-query))
930 (concat "[ " saved-search-name " ]")
934 (concat "*notmuch-search-" query "*"))
937 (defun notmuch-read-query (prompt)
938 "Read a notmuch-query from the minibuffer with completion.
940 PROMPT is the string to prompt with."
943 (append (list "folder:" "thread:" "id:" "date:" "from:" "to:"
944 "subject:" "attachment:")
945 (mapcar (lambda (tag)
947 (process-lines notmuch-command "search" "--output=tags" "*")))))
948 (let ((keymap (copy-keymap minibuffer-local-map))
949 (minibuffer-completion-table
950 (completion-table-dynamic
952 ;; generate a list of possible completions for the current input
954 ;; this ugly regexp is used to get the last word of the input
955 ;; possibly preceded by a '('
956 ((string-match "\\(^\\|.* (?\\)\\([^ ]*\\)$" string)
957 (mapcar (lambda (compl)
958 (concat (match-string-no-properties 1 string) compl))
959 (all-completions (match-string-no-properties 2 string)
961 (t (list string)))))))
962 ;; this was simpler than convincing completing-read to accept spaces:
963 (define-key keymap (kbd "<tab>") 'minibuffer-complete)
964 (let ((history-delete-duplicates t))
965 (read-from-minibuffer prompt nil keymap nil
966 'notmuch-search-history nil nil)))))
969 (defun notmuch-search (&optional query oldest-first target-thread target-line continuation)
970 "Run \"notmuch search\" with the given `query' and display results.
972 If `query' is nil, it is read interactively from the minibuffer.
973 Other optional parameters are used as follows:
975 oldest-first: A Boolean controlling the sort order of returned threads
976 target-thread: A thread ID (with the thread: prefix) that will be made
977 current if it appears in the search results.
978 target-line: The line number to move to if the target thread does not
979 appear in the search results."
982 (setq query (notmuch-read-query "Notmuch search: ")))
983 (let ((buffer (get-buffer-create (notmuch-search-buffer-title query))))
984 (switch-to-buffer buffer)
985 (notmuch-search-mode)
986 ;; Don't track undo information for this buffer
987 (set 'buffer-undo-list t)
988 (set 'notmuch-search-query-string query)
989 (set 'notmuch-search-oldest-first oldest-first)
990 (set 'notmuch-search-target-thread target-thread)
991 (set 'notmuch-search-target-line target-line)
992 (set 'notmuch-search-continuation continuation)
993 (let ((proc (get-buffer-process (current-buffer)))
994 (inhibit-read-only t))
996 (error "notmuch search process already running for query `%s'" query)
999 (goto-char (point-min))
1001 (let ((proc (start-process
1002 "notmuch-search" buffer
1003 notmuch-command "search"
1005 "--sort=oldest-first"
1006 "--sort=newest-first")
1008 (set-process-sentinel proc 'notmuch-search-process-sentinel)
1009 (set-process-filter proc 'notmuch-search-process-filter)
1010 (set-process-query-on-exit-flag proc nil))))
1011 (run-hooks 'notmuch-search-hook)))
1013 (defun notmuch-search-refresh-view ()
1014 "Refresh the current view.
1016 Kills the current buffer and runs a new search with the same
1017 query string as the current search. If the current thread is in
1018 the new search results, then point will be placed on the same
1019 thread. Otherwise, point will be moved to attempt to be in the
1020 same relative position within the new buffer."
1022 (let ((target-line (line-number-at-pos))
1023 (oldest-first notmuch-search-oldest-first)
1024 (target-thread (notmuch-search-find-thread-id))
1025 (query notmuch-search-query-string)
1026 (continuation notmuch-search-continuation))
1027 (notmuch-kill-this-buffer)
1028 (notmuch-search query oldest-first target-thread target-line continuation)
1029 (goto-char (point-min))))
1031 (defcustom notmuch-poll-script nil
1032 "An external script to incorporate new mail into the notmuch database.
1034 This variable controls the action invoked by
1035 `notmuch-search-poll-and-refresh-view' and
1036 `notmuch-hello-poll-and-update' (each have a default keybinding
1037 of 'G') to incorporate new mail into the notmuch database.
1039 If set to nil (the default), new mail is processed by invoking
1040 \"notmuch new\". Otherwise, this should be set to a string that
1041 gives the name of an external script that processes new mail. If
1042 set to the empty string, no command will be run.
1044 The external script could do any of the following depending on
1047 1. Invoke a program to transfer mail to the local mail store
1048 2. Invoke \"notmuch new\" to incorporate the new mail
1049 3. Invoke one or more \"notmuch tag\" commands to classify the mail
1051 Note that the recommended way of achieving the same is using
1052 \"notmuch new\" hooks."
1053 :type '(choice (const :tag "notmuch new" nil)
1054 (const :tag "Disabled" "")
1055 (string :tag "Custom script"))
1056 :group 'notmuch-external)
1058 (defun notmuch-poll ()
1059 "Run \"notmuch new\" or an external script to import mail.
1061 Invokes `notmuch-poll-script', \"notmuch new\", or does nothing
1062 depending on the value of `notmuch-poll-script'."
1064 (if (stringp notmuch-poll-script)
1065 (unless (string= notmuch-poll-script "")
1066 (call-process notmuch-poll-script nil nil))
1067 (call-process notmuch-command nil nil nil "new")))
1069 (defun notmuch-search-poll-and-refresh-view ()
1070 "Invoke `notmuch-poll' to import mail, then refresh the current view."
1073 (notmuch-search-refresh-view))
1075 (defun notmuch-search-toggle-order ()
1076 "Toggle the current search order.
1078 By default, the \"inbox\" view created by `notmuch' is displayed
1079 in chronological order (oldest thread at the beginning of the
1080 buffer), while any global searches created by `notmuch-search'
1081 are displayed in reverse-chronological order (newest thread at
1082 the beginning of the buffer).
1084 This command toggles the sort order for the current search.
1086 Note that any filtered searches created by
1087 `notmuch-search-filter' retain the search order of the parent
1090 (set 'notmuch-search-oldest-first (not notmuch-search-oldest-first))
1091 (notmuch-search-refresh-view))
1093 (defun notmuch-search-filter (query)
1094 "Filter the current search results based on an additional query string.
1096 Runs a new search matching only messages that match both the
1097 current search results AND the additional query string provided."
1098 (interactive (list (notmuch-read-query "Filter search: ")))
1099 (let ((grouped-query (if (string-match-p notmuch-search-disjunctive-regexp query)
1100 (concat "( " query " )")
1102 (notmuch-search (if (string= notmuch-search-query-string "*")
1104 (concat notmuch-search-query-string " and " grouped-query)) notmuch-search-oldest-first)))
1106 (defun notmuch-search-filter-by-tag (tag)
1107 "Filter the current search results based on a single tag.
1109 Runs a new search matching only messages that match both the
1110 current search results AND that are tagged with the given tag."
1112 (list (notmuch-select-tag-with-completion "Filter by tag: ")))
1113 (notmuch-search (concat notmuch-search-query-string " and tag:" tag) notmuch-search-oldest-first))
1117 "Run notmuch and display saved searches, known tags, etc."
1121 (defun notmuch-interesting-buffer (b)
1122 "Is the current buffer of interest to a notmuch user?"
1123 (with-current-buffer b
1124 (memq major-mode '(notmuch-show-mode
1130 (defun notmuch-cycle-notmuch-buffers ()
1131 "Cycle through any existing notmuch buffers (search, show or hello).
1133 If the current buffer is the only notmuch buffer, bury it. If no
1134 notmuch buffers exist, run `notmuch'."
1138 ;; If the current buffer is a notmuch buffer, remember it and then
1140 (when (notmuch-interesting-buffer (current-buffer))
1141 (setq start (current-buffer))
1144 ;; Find the first notmuch buffer.
1145 (setq first (loop for buffer in (buffer-list)
1146 if (notmuch-interesting-buffer buffer)
1150 ;; If the first one we found is any other than the starting
1151 ;; buffer, switch to it.
1152 (unless (eq first start)
1153 (switch-to-buffer first))
1156 (setq mail-user-agent 'notmuch-user-agent)