unofficial mirror of notmuch@notmuchmail.org
 help / color / mirror / code / Atom feed
blob 2ef67c0e798dbc65c144cef77cd8642c506f98c0 43948 bytes (raw)
name: emacs/notmuch.el 	 # note: path name is non-authoritative(*)

   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
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
 
;;; notmuch.el --- run notmuch within emacs  -*- lexical-binding: t -*-
;;
;; Copyright © Carl Worth
;;
;; This file is part of Notmuch.
;;
;; Notmuch is free software: you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Notmuch is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Notmuch.  If not, see <https://www.gnu.org/licenses/>.
;;
;; Authors: Carl Worth <cworth@cworth.org>
;; Homepage: https://notmuchmail.org

;;; Commentary:

;; This is an emacs-based interface to the notmuch mail system.
;;
;; You will first need to have the notmuch program installed and have a
;; notmuch database built in order to use this. See
;; https://notmuchmail.org for details.
;;
;; To install this software, copy it to a directory that is on the
;; `load-path' variable within emacs (a good candidate is
;; /usr/local/share/emacs/site-lisp). If you are viewing this from the
;; notmuch source distribution then you can simply run:
;;
;;	sudo make install-emacs
;;
;; to install it.
;;
;; Then, to actually run it, add:
;;
;;	(autoload 'notmuch "notmuch" "Notmuch mail" t)
;;
;; to your ~/.emacs file, and then run "M-x notmuch" from within emacs,
;; or run:
;;
;;	emacs -f notmuch
;;
;; Have fun, and let us know if you have any comment, questions, or
;; kudos: Notmuch list <notmuch@notmuchmail.org> (subscription is not
;; required, but is available from https://notmuchmail.org).
;;
;; Note for MELPA users (and others tracking the development version
;; of notmuch-emacs):
;;
;; This emacs package needs a fairly closely matched version of the
;; notmuch program. If you use the MELPA version of notmuch.el (as
;; opposed to MELPA stable), you should be prepared to track the
;; master development branch (i.e. build from git) for the notmuch
;; program as well. Upgrading notmuch-emacs too far beyond the notmuch
;; program can CAUSE YOUR EMAIL TO STOP WORKING.
;;
;; TL;DR: notmuch-emacs from MELPA and notmuch from distro packages is
;; NOT SUPPORTED.

;;; Code:

(require 'mm-view)
(require 'message)

(require 'hl-line)

(require 'notmuch-lib)
(require 'notmuch-tag)
(require 'notmuch-show)
(require 'notmuch-tree)
(require 'notmuch-mua)
(require 'notmuch-hello)
(require 'notmuch-maildir-fcc)
(require 'notmuch-message)
(require 'notmuch-parser)

;;; Options

(defcustom notmuch-search-result-format
  `(("date" . "%12s ")
    ("count" . "%-7s ")
    ("authors" . "%-20s ")
    ("subject" . "%s ")
    ("tags" . "(%s)"))
  "Search result formatting.

Supported fields are: date, count, authors, subject, tags.
For example:
    (setq notmuch-search-result-format
          '((\"authors\" . \"%-40s\")
            (\"subject\" . \"%s\")))

Line breaks are permitted in format strings (though this is
currently experimental).  Note that a line break at the end of an
\"authors\" field will get elided if the authors list is long;
place it instead at the beginning of the following field.  To
enter a line break when setting this variable with setq, use \\n.
To enter a line break in customize, press \\[quoted-insert] C-j."
  :type '(alist :key-type string :value-type string)
  :group 'notmuch-search)

;; The name of this variable `notmuch-init-file' is consistent with the
;; convention used in e.g. emacs and gnus. The value, `notmuch-config[.el[c]]'
;; is consistent with notmuch cli configuration file `~/.notmuch-config'.
(defcustom notmuch-init-file (locate-user-emacs-file "notmuch-config")
  "Your Notmuch Emacs-Lisp configuration file name.
If a file with one of the suffixes defined by `get-load-suffixes' exists,
it will be read instead.
This file is read once when notmuch is loaded; the notmuch hooks added
there will be called at other points of notmuch execution."
  :type 'file
  :group 'notmuch)

(defcustom notmuch-search-hook '(notmuch-hl-line-mode)
  "List of functions to call when notmuch displays the search results."
  :type 'hook
  :options '(notmuch-hl-line-mode)
  :group 'notmuch-search
  :group 'notmuch-hooks)

;;; Mime Utilities

(defun notmuch-foreach-mime-part (function mm-handle)
  (cond ((stringp (car mm-handle))
	 (dolist (part (cdr mm-handle))
	   (notmuch-foreach-mime-part function part)))
	((bufferp (car mm-handle))
	 (funcall function mm-handle))
	(t (dolist (part mm-handle)
	     (notmuch-foreach-mime-part function part)))))

(defun notmuch-count-attachments (mm-handle)
  (let ((count 0))
    (notmuch-foreach-mime-part
     (lambda (p)
       (let ((disposition (mm-handle-disposition p)))
	 (and (listp disposition)
	      (or (equal (car disposition) "attachment")
		  (and (equal (car disposition) "inline")
		       (assq 'filename disposition)))
	      (cl-incf count))))
     mm-handle)
    count))

(defun notmuch-save-attachments (mm-handle &optional queryp)
  (notmuch-foreach-mime-part
   (lambda (p)
     (let ((disposition (mm-handle-disposition p)))
       (and (listp disposition)
	    (or (equal (car disposition) "attachment")
		(and (equal (car disposition) "inline")
		     (assq 'filename disposition)))
	    (or (not queryp)
		(y-or-n-p
		 (concat "Save '" (cdr (assq 'filename disposition)) "' ")))
	    (mm-save-part p))))
   mm-handle))

;;; Keymap

(defvar notmuch-search-mode-map
  (let ((map (make-sparse-keymap)))
    (set-keymap-parent map notmuch-common-keymap)
    (define-key map "x" 'notmuch-bury-or-kill-this-buffer)
    (define-key map (kbd "DEL") 'notmuch-search-scroll-down)
    (define-key map "b" 'notmuch-search-scroll-down)
    (define-key map " " 'notmuch-search-scroll-up)
    (define-key map "<" 'notmuch-search-first-thread)
    (define-key map ">" 'notmuch-search-last-thread)
    (define-key map "p" 'notmuch-search-previous-thread)
    (define-key map "n" 'notmuch-search-next-thread)
    (define-key map "r" 'notmuch-search-reply-to-thread-sender)
    (define-key map "R" 'notmuch-search-reply-to-thread)
    (define-key map "o" 'notmuch-search-toggle-order)
    (define-key map "c" 'notmuch-search-stash-map)
    (define-key map "t" 'notmuch-search-filter-by-tag)
    (define-key map "l" 'notmuch-search-filter)
    (define-key map [mouse-1] 'notmuch-search-show-thread)
    (define-key map "k" 'notmuch-tag-jump)
    (define-key map "*" 'notmuch-search-tag-all)
    (define-key map "a" 'notmuch-search-archive-thread)
    (define-key map "-" 'notmuch-search-remove-tag)
    (define-key map "+" 'notmuch-search-add-tag)
    (define-key map (kbd "RET") 'notmuch-search-show-thread)
    (define-key map (kbd "M-RET") 'notmuch-tree-from-search-thread)
    (define-key map "Z" 'notmuch-tree-from-search-current-query)
    (define-key map "U" 'notmuch-unthreaded-from-search-current-query)
    map)
  "Keymap for \"notmuch search\" buffers.")

;;; Internal Variables

(defvar notmuch-query-history nil
  "Variable to store minibuffer history for notmuch queries.")

(defvar-local notmuch-search-query-string nil)
(defvar-local notmuch-search-target-thread nil)
(defvar-local notmuch-search-target-line nil)

;;; Stashing

(defvar notmuch-search-stash-map
  (let ((map (make-sparse-keymap)))
    (define-key map "i" 'notmuch-search-stash-thread-id)
    (define-key map "q" 'notmuch-stash-query)
    (define-key map "?" 'notmuch-subkeymap-help)
    map)
  "Submap for stash commands.")
(fset 'notmuch-search-stash-map notmuch-search-stash-map)

(defun notmuch-search-stash-thread-id ()
  "Copy thread ID of current thread to kill-ring."
  (interactive)
  (notmuch-common-do-stash (notmuch-search-find-thread-id)))

(defun notmuch-stash-query ()
  "Copy current query to kill-ring."
  (interactive)
  (notmuch-common-do-stash notmuch-search-query-string))

;;; Movement

(defun notmuch-search-scroll-up ()
  "Move forward through search results by one window's worth."
  (interactive)
  (condition-case nil
      (scroll-up nil)
    ((end-of-buffer) (notmuch-search-last-thread))))

(defun notmuch-search-scroll-down ()
  "Move backward through the search results by one window's worth."
  (interactive)
  ;; I don't know why scroll-down doesn't signal beginning-of-buffer
  ;; the way that scroll-up signals end-of-buffer, but c'est la vie.
  ;;
  ;; So instead of trapping a signal we instead check whether the
  ;; window begins on the first line of the buffer and if so, move
  ;; directly to that position. (We have to count lines since the
  ;; window-start position is not the same as point-min due to the
  ;; invisible thread-ID characters on the first line.
  (if (equal (count-lines (point-min) (window-start)) 0)
      (goto-char (point-min))
    (scroll-down nil)))

(defun notmuch-search-next-thread ()
  "Select the next thread in the search results."
  (interactive)
  (when (notmuch-search-get-result)
    (goto-char (notmuch-search-result-end))))

(defun notmuch-search-previous-thread ()
  "Select the previous thread in the search results."
  (interactive)
  (if (notmuch-search-get-result)
      (unless (bobp)
	(goto-char (notmuch-search-result-beginning (- (point) 1))))
    ;; We must be past the end; jump to the last result
    (notmuch-search-last-thread)))

(defun notmuch-search-last-thread ()
  "Select the last thread in the search results."
  (interactive)
  (goto-char (point-max))
  (forward-line -2)
  (let ((beg (notmuch-search-result-beginning)))
    (when beg
      (goto-char beg))))

(defun notmuch-search-first-thread ()
  "Select the first thread in the search results."
  (interactive)
  (goto-char (point-min)))

;;; Faces

(defface notmuch-message-summary-face
  `((((class color) (background light))
     ,@(and (>= emacs-major-version 27) '(:extend t))
     :background "#f0f0f0")
    (((class color) (background dark))
     ,@(and (>= emacs-major-version 27) '(:extend t))
     :background "#303030"))
  "Face for the single-line message summary in notmuch-show-mode."
  :group 'notmuch-show
  :group 'notmuch-faces)

(defface notmuch-search-date
  '((t :inherit default))
  "Face used in search mode for dates."
  :group 'notmuch-search
  :group 'notmuch-faces)

(defface notmuch-search-count
  '((t :inherit default))
  "Face used in search mode for the count matching the query."
  :group 'notmuch-search
  :group 'notmuch-faces)

(defface notmuch-search-subject
  '((t :inherit default))
  "Face used in search mode for subjects."
  :group 'notmuch-search
  :group 'notmuch-faces)

(defface notmuch-search-matching-authors
  '((t :inherit default))
  "Face used in search mode for authors matching the query."
  :group 'notmuch-search
  :group 'notmuch-faces)

(defface notmuch-search-non-matching-authors
  '((((class color)
      (background dark))
     (:foreground "grey30"))
    (((class color)
      (background light))
     (:foreground "grey60"))
    (t
     (:italic t)))
  "Face used in search mode for authors not matching the query."
  :group 'notmuch-search
  :group 'notmuch-faces)

(defface notmuch-tag-face
  '((((class color)
      (background dark))
     (:foreground "OliveDrab1"))
    (((class color)
      (background light))
     (:foreground "navy blue" :bold t))
    (t
     (:bold t)))
  "Face used in search mode face for tags."
  :group 'notmuch-search
  :group 'notmuch-faces)

(defface notmuch-search-flagged-face
  '((((class color)
      (background dark))
     (:foreground "LightBlue1"))
    (((class color)
      (background light))
     (:foreground "blue")))
  "Face used in search mode face for flagged threads.

This face is the default value for the \"flagged\" tag in
`notmuch-search-line-faces'."
  :group 'notmuch-search
  :group 'notmuch-faces)

(defface notmuch-search-unread-face
  '((t
     (:weight bold)))
  "Face used in search mode for unread threads.

This face is the default value for the \"unread\" tag in
`notmuch-search-line-faces'."
  :group 'notmuch-search
  :group 'notmuch-faces)

;;; Mode

(define-derived-mode notmuch-search-mode fundamental-mode "notmuch-search"
  "Major mode displaying results of a notmuch search.

This buffer contains the results of a \"notmuch search\" of your
email archives. Each line in the buffer represents a single
thread giving a summary of the thread (a relative date, the
number of matched messages and total messages in the thread,
participants in the thread, a representative subject line, and
any tags).

Pressing \\[notmuch-search-show-thread] on any line displays that
thread. The '\\[notmuch-search-add-tag]' and
'\\[notmuch-search-remove-tag]' keys can be used to add or remove
tags from a thread. The '\\[notmuch-search-archive-thread]' key
is a convenience for archiving a thread (applying changes in
`notmuch-archive-tags'). The '\\[notmuch-search-tag-all]' key can
be used to add and/or remove tags from all messages (as opposed
to threads) that match the current query.  Use with caution, as
this will also tag matching messages that arrived *after*
constructing the buffer.

Other useful commands are '\\[notmuch-search-filter]' for
filtering the current search based on an additional query string,
'\\[notmuch-search-filter-by-tag]' for filtering to include only
messages with a given tag, and '\\[notmuch-search]' to execute a
new, global search.

Complete list of currently available key bindings:

\\{notmuch-search-mode-map}"
  (setq notmuch-buffer-refresh-function #'notmuch-search-refresh-view)
  (setq-local scroll-preserve-screen-position t)
  (add-to-invisibility-spec (cons 'ellipsis t))
  (setq truncate-lines t)
  (setq buffer-read-only t)
  (setq imenu-prev-index-position-function
	#'notmuch-search-imenu-prev-index-position-function)
  (setq imenu-extract-index-name-function
	#'notmuch-search-imenu-extract-index-name-function))

;;; Search Results

(defun notmuch-search-get-result (&optional pos)
  "Return the result object for the thread at POS (or point).

If there is no thread at POS (or point), returns nil."
  (get-text-property (or pos (point)) 'notmuch-search-result))

(defun notmuch-search-result-beginning (&optional pos)
  "Return the point at the beginning of the thread at POS (or point).

If there is no thread at POS (or point), returns nil."
  (and (notmuch-search-get-result pos)
       ;; We pass 1+point because previous-single-property-change starts
       ;; searching one before the position we give it.
       (previous-single-property-change (1+ (or pos (point)))
					'notmuch-search-result nil
					(point-min))))

(defun notmuch-search-result-end (&optional pos)
  "Return the point at the end of the thread at POS (or point).

The returned point will be just after the newline character that
ends the result line.  If there is no thread at POS (or point),
returns nil."
  (and (notmuch-search-get-result pos)
       (next-single-property-change (or pos (point))
				    'notmuch-search-result nil
				    (point-max))))

(defun notmuch-search-foreach-result (beg end fn)
  "Invoke FN for each result between BEG and END.

FN should take one argument.  It will be applied to the character
position of the beginning of each result that overlaps the region
between points BEG and END.  As a special case, if (= BEG END),
FN will be applied to the result containing point BEG."
  (let ((pos (notmuch-search-result-beginning beg))
	;; End must be a marker in case fn changes the
	;; text.
	(end (copy-marker end))
	;; Make sure we examine at least one result, even if
	;; (= beg end).
	(first t))
    ;; We have to be careful if the region extends beyond the results.
    ;; In this case, pos could be null or there could be no result at
    ;; pos.
    (while (and pos (or (< pos end) first))
      (when (notmuch-search-get-result pos)
	(funcall fn pos))
      (setq pos (notmuch-search-result-end pos))
      (setq first nil))))
;; Unindent the function argument of notmuch-search-foreach-result so
;; the indentation of callers doesn't get out of hand.
(put 'notmuch-search-foreach-result 'lisp-indent-function 2)

(defun notmuch-search-properties-in-region (property beg end)
  (let (output)
    (notmuch-search-foreach-result beg end
      (lambda (pos)
	(push (plist-get (notmuch-search-get-result pos) property) output)))
    output))

(defun notmuch-search-find-thread-id (&optional bare)
  "Return the thread for the current thread.

If BARE is set then do not prefix with \"thread:\"."
  (let ((thread (plist-get (notmuch-search-get-result) :thread)))
    (when thread
      (concat (and (not bare) "thread:") thread))))

(defun notmuch-search-find-stable-query ()
  "Return the stable queries for the current thread.

Return a list (MATCHED-QUERY UNMATCHED-QUERY) for the
matched and unmatched messages in the current thread."
  (plist-get (notmuch-search-get-result) :query))

(defun notmuch-search-find-stable-query-region (beg end &optional only-matched)
  "Return the stable query for the current region.

If ONLY-MATCHED is non-nil, include only matched messages.  If it
is nil, include both matched and unmatched messages. If there are
no messages in the region then return nil."
  (let ((query-list nil) (all (not only-matched)))
    (dolist (queries (notmuch-search-properties-in-region :query beg end))
      (when (car queries)
	(push (car queries) query-list))
      (when (and all (cadr queries))
	(push (cadr queries) query-list)))
    (and query-list
	 (concat "(" (mapconcat 'identity query-list ") or (") ")"))))

(defun notmuch-search-find-authors ()
  "Return the authors for the current thread."
  (plist-get (notmuch-search-get-result) :authors))

(defun notmuch-search-find-authors-region (beg end)
  "Return a list of authors for the current region."
  (notmuch-search-properties-in-region :authors beg end))

(defun notmuch-search-find-subject ()
  "Return the subject for the current thread."
  (plist-get (notmuch-search-get-result) :subject))

(defun notmuch-search-find-subject-region (beg end)
  "Return a list of authors for the current region."
  (notmuch-search-properties-in-region :subject beg end))

(defun notmuch-search-show-thread (&optional elide-toggle)
  "Display the currently selected thread.

With a prefix argument, invert the default value of
`notmuch-show-only-matching-messages' when displaying the
thread."
  (interactive "P")
  (let ((thread-id (notmuch-search-find-thread-id)))
    (if thread-id
	(notmuch-show thread-id
		      elide-toggle
		      (current-buffer)
		      notmuch-search-query-string
		      ;; Name the buffer based on the subject.
		      (format "*%s*" (truncate-string-to-width
				      (notmuch-search-find-subject)
				      30 nil nil t)))
      (message "End of search results."))))

(defun notmuch-tree-from-search-current-query ()
  "Call notmuch tree with the current query."
  (interactive)
  (notmuch-tree notmuch-search-query-string))

(defun notmuch-unthreaded-from-search-current-query ()
  "Call notmuch tree with the current query."
  (interactive)
  (notmuch-unthreaded notmuch-search-query-string))

(defun notmuch-tree-from-search-thread ()
  "Show the selected thread with notmuch-tree."
  (interactive)
  (notmuch-tree (notmuch-search-find-thread-id)
		notmuch-search-query-string
		nil
		(notmuch-prettify-subject (notmuch-search-find-subject))
		t nil (current-buffer)))

(defun notmuch-search-reply-to-thread (&optional prompt-for-sender)
  "Begin composing a reply-all to the entire current thread in a new buffer."
  (interactive "P")
  (notmuch-mua-new-reply (notmuch-search-find-thread-id)
			 prompt-for-sender t))

(defun notmuch-search-reply-to-thread-sender (&optional prompt-for-sender)
  "Begin composing a reply to the entire current thread in a new buffer."
  (interactive "P")
  (notmuch-mua-new-reply (notmuch-search-find-thread-id)
			 prompt-for-sender nil))

;;; Tags

(defun notmuch-search-set-tags (tags &optional pos)
  (notmuch-search-update-result
   (plist-put (notmuch-search-get-result pos) :tags tags)
   pos))

(defun notmuch-search-get-tags (&optional pos)
  (plist-get (notmuch-search-get-result pos) :tags))

(defun notmuch-search-get-tags-region (beg end)
  (let (output)
    (notmuch-search-foreach-result beg end
      (lambda (pos)
	(setq output (append output (notmuch-search-get-tags pos)))))
    (delete-dups output)))

(defun notmuch-search-interactive-tag-changes (&optional initial-input)
  "Prompt for tag changes for the current thread or region.

Return (TAG-CHANGES REGION-BEGIN REGION-END)."
  (pcase-let ((`(,beg ,end) (notmuch-interactive-region)))
    (list (notmuch-read-tag-changes (notmuch-search-get-tags-region beg end)
				    (if (= beg end) "Tag thread" "Tag region")
				    initial-input)
	  beg end)))

(defun notmuch-search-tag (tag-changes &optional beg end only-matched)
  "Change tags for the currently selected thread or region.

See `notmuch-tag' for information on the format of TAG-CHANGES.
When called interactively, this uses the region if the region is
active.  When called directly, BEG and END provide the region.
If these are nil or not provided, then, if the region is active
this applied to all threads meeting the region, and if the region
is inactive this applies to the thread at point.

If ONLY-MATCHED is non-nil, only tag matched messages."
  (interactive (notmuch-search-interactive-tag-changes))
  (unless (and beg end)
    (setq beg (car (notmuch-interactive-region)))
    (setq end (cadr (notmuch-interactive-region))))
  (let ((search-string (notmuch-search-find-stable-query-region
			beg end only-matched)))
    (notmuch-tag search-string tag-changes)
    (notmuch-search-foreach-result beg end
      (lambda (pos)
	(notmuch-search-set-tags
	 (notmuch-update-tags (notmuch-search-get-tags pos) tag-changes)
	 pos)))))

(defun notmuch-search-add-tag (tag-changes &optional beg end)
  "Change tags for the current thread or region (defaulting to add).

Same as `notmuch-search-tag' but sets initial input to '+'."
  (interactive (notmuch-search-interactive-tag-changes "+"))
  (notmuch-search-tag tag-changes beg end))

(defun notmuch-search-remove-tag (tag-changes &optional beg end)
  "Change tags for the current thread or region (defaulting to remove).

Same as `notmuch-search-tag' but sets initial input to '-'."
  (interactive (notmuch-search-interactive-tag-changes "-"))
  (notmuch-search-tag tag-changes beg end))

(put 'notmuch-search-archive-thread 'notmuch-prefix-doc
     "Un-archive the currently selected thread.")
(defun notmuch-search-archive-thread (&optional unarchive beg end)
  "Archive the currently selected thread or region.

Archive each message in the currently selected thread by applying
the tag changes in `notmuch-archive-tags' to each (remove the
\"inbox\" tag by default). If a prefix argument is given, the
messages will be \"unarchived\" (i.e. the tag changes in
`notmuch-archive-tags' will be reversed).

This function advances the next thread when finished."
  (interactive (cons current-prefix-arg (notmuch-interactive-region)))
  (when notmuch-archive-tags
    (notmuch-search-tag
     (notmuch-tag-change-list notmuch-archive-tags unarchive) beg end))
  (when (eq beg end)
    (notmuch-search-next-thread)))

;;; Search Results

(defun notmuch-search-update-result (result &optional pos)
  "Replace the result object of the thread at POS (or point) by
RESULT and redraw it.

This will keep point in a reasonable location.  However, if there
are enclosing save-excursions and the saved point is in the
result being updated, the point will be restored to the beginning
of the result."
  (let ((start (notmuch-search-result-beginning pos))
	(end (notmuch-search-result-end pos))
	(init-point (point))
	(inhibit-read-only t))
    ;; Delete the current thread
    (delete-region start end)
    ;; Insert the updated thread
    (notmuch-search-show-result result start)
    ;; If point was inside the old result, make an educated guess
    ;; about where to place it now.  Unfortunately, this won't work
    ;; with save-excursion (or any other markers that would be nice to
    ;; preserve, such as the window start), but there's nothing we can
    ;; do about that without a way to retrieve markers in a region.
    (when (and (>= init-point start) (<= init-point end))
      (let* ((new-end (notmuch-search-result-end start))
	     (new-point (if (= init-point end)
			    new-end
			  (min init-point (- new-end 1)))))
	(goto-char new-point)))))

(defun notmuch-search-process-sentinel (proc _msg)
  "Add a message to let user know when \"notmuch search\" exits."
  (let ((buffer (process-buffer proc))
	(status (process-status proc))
	(exit-status (process-exit-status proc))
	(never-found-target-thread nil))
    (when (memq status '(exit signal))
      (catch 'return
	(kill-buffer (process-get proc 'parse-buf))
	(when (buffer-live-p buffer)
	  (with-current-buffer buffer
	    (save-excursion
	      (let ((inhibit-read-only t)
		    (atbob (bobp)))
		(goto-char (point-max))
		(when (eq status 'signal)
		  (insert "Incomplete search results (search process was killed).\n"))
		(when (eq status 'exit)
		  (insert "End of search results.\n")
		  ;; For version mismatch, there's no point in
		  ;; showing the search buffer
		  (when (or (= exit-status 20) (= exit-status 21))
		    (kill-buffer)
		    (throw 'return nil))
		  (when (and atbob
			     (not (string= notmuch-search-target-thread "found")))
		    (setq never-found-target-thread t)))))
	    (when (and never-found-target-thread
		       notmuch-search-target-line)
	      (goto-char (point-min))
	      (forward-line (1- notmuch-search-target-line)))))))))

(define-widget 'notmuch--custom-face-edit 'lazy
  "Custom face edit with a tag Edit Face"
  ;; I could not persuage custom-face-edit to respect the :tag
  ;; property so create a widget specially
  :tag "Manually specify face"
  :type 'custom-face-edit)

(defcustom notmuch-search-line-faces
  '(("unread" . notmuch-search-unread-face)
    ("flagged" . notmuch-search-flagged-face))
  "Alist of tags to faces for line highlighting in notmuch-search.
Each element looks like (TAG . FACE).
A thread with TAG will have FACE applied.

Here is an example of how to color search results based on tags.
 (the following text would be placed in your ~/.emacs file):

 (setq notmuch-search-line-faces \\='((\"unread\" . (:foreground \"green\"))
				   (\"deleted\" . (:foreground \"red\"
						  :background \"blue\"))))

The FACE must be a face name (a symbol or string), a property
list of face attributes, or a list of these.  The faces for
matching tags are merged, with earlier attributes overriding
later. A message having both \"deleted\" and \"unread\" tags with
the above settings would have a green foreground and blue
background."
  :type '(alist :key-type (string)
		:value-type (radio (face :tag "Face name")
				   (notmuch--custom-face-edit)))
  :group 'notmuch-search
  :group 'notmuch-faces)

(defun notmuch-search-color-line (start end line-tag-list)
  "Colorize lines in `notmuch-show' based on tags."
  ;; Reverse the list so earlier entries take precedence
  (dolist (elem (reverse notmuch-search-line-faces))
    (let ((tag (car elem))
	  (face (cdr elem)))
      (when (member tag line-tag-list)
	(notmuch-apply-face nil face nil start end)))))

(defun notmuch-search-author-propertize (authors)
  "Split `authors' into matching and non-matching authors and
propertize appropriately. If no boundary between authors and
non-authors is found, assume that all of the authors match."
  (if (string-match "\\(.*\\)|\\(.*\\)" authors)
      (concat (propertize (concat (match-string 1 authors) ",")
			  'face 'notmuch-search-matching-authors)
	      (propertize (match-string 2 authors)
			  'face 'notmuch-search-non-matching-authors))
    (propertize authors 'face 'notmuch-search-matching-authors)))

(defun notmuch-search-insert-authors (format-string authors)
  ;; Save the match data to avoid interfering with
  ;; `notmuch-search-process-filter'.
  (save-match-data
    (let* ((formatted-authors (format format-string authors))
	   (formatted-sample (format format-string ""))
	   (visible-string formatted-authors)
	   (invisible-string "")
	   (padding ""))
      ;; Truncate the author string to fit the specification.
      (when (> (length formatted-authors)
	       (length formatted-sample))
	(let ((visible-length (- (length formatted-sample)
				 (length "... "))))
	  ;; Truncate the visible string according to the width of
	  ;; the display string.
	  (setq visible-string (substring formatted-authors 0 visible-length))
	  (setq invisible-string (substring formatted-authors visible-length))
	  ;; If possible, truncate the visible string at a natural
	  ;; break (comma or pipe), as incremental search doesn't
	  ;; match across the visible/invisible border.
	  (when (string-match "\\(.*\\)\\([,|] \\)\\([^,|]*\\)" visible-string)
	    ;; Second clause is destructive on `visible-string', so
	    ;; order is important.
	    (setq invisible-string (concat (match-string 3 visible-string)
					   invisible-string))
	    (setq visible-string (concat (match-string 1 visible-string)
					 (match-string 2 visible-string))))
	  ;; `visible-string' may be shorter than the space allowed
	  ;; by `format-string'. If so we must insert some padding
	  ;; after `invisible-string'.
	  (setq padding (make-string (- (length formatted-sample)
					(length visible-string)
					(length "..."))
				     ? ))))
      ;; Use different faces to show matching and non-matching authors.
      (if (string-match "\\(.*\\)|\\(.*\\)" visible-string)
	  ;; The visible string contains both matching and
	  ;; non-matching authors.
	  (progn
	    (setq visible-string (notmuch-search-author-propertize visible-string))
	    ;; The invisible string must contain only non-matching
	    ;; authors, as the visible-string contains both.
	    (setq invisible-string (propertize invisible-string
					       'face 'notmuch-search-non-matching-authors)))
	;; The visible string contains only matching authors.
	(setq visible-string (propertize visible-string
					 'face 'notmuch-search-matching-authors))
	;; The invisible string may contain both matching and
	;; non-matching authors.
	(setq invisible-string (notmuch-search-author-propertize invisible-string)))
      ;; If there is any invisible text, add it as a tooltip to the
      ;; visible text.
      (unless (string-empty-p invisible-string)
	(setq visible-string
	      (propertize visible-string
			  'help-echo (concat "..." invisible-string))))
      ;; Insert the visible and, if present, invisible author strings.
      (insert visible-string)
      (unless (string-empty-p invisible-string)
	(let ((start (point))
	      overlay)
	  (insert invisible-string)
	  (setq overlay (make-overlay start (point)))
	  (overlay-put overlay 'invisible 'ellipsis)
	  (overlay-put overlay 'isearch-open-invisible #'delete-overlay)))
      (insert padding))))

(defun notmuch-search-insert-field (field format-string result)
  (pcase field
    ((pred functionp)
     (insert (funcall field format-string result)))
    ("date"
     (insert (propertize (format format-string (plist-get result :date_relative))
			 'face 'notmuch-search-date)))
    ("count"
     (insert (propertize (format format-string
				 (format "[%s/%s]" (plist-get result :matched)
					 (plist-get result :total)))
			 'face 'notmuch-search-count)))
    ("subject"
     (insert (propertize (format format-string
				 (notmuch-sanitize (plist-get result :subject)))
			 'face 'notmuch-search-subject)))
    ("authors"
     (notmuch-search-insert-authors format-string
				    (notmuch-sanitize (plist-get result :authors))))
    ("tags"
     (let ((tags (plist-get result :tags))
	   (orig-tags (plist-get result :orig-tags)))
       (insert (format format-string (notmuch-tag-format-tags tags orig-tags)))))))

(defun notmuch-search-show-result (result pos)
  "Insert RESULT at POS."
  ;; Ignore excluded matches
  (unless (= (plist-get result :matched) 0)
    (save-excursion
      (goto-char pos)
      (dolist (spec notmuch-search-result-format)
	(notmuch-search-insert-field (car spec) (cdr spec) result))
      (insert "\n")
      (notmuch-search-color-line pos (point) (plist-get result :tags))
      (put-text-property pos (point) 'notmuch-search-result result))))

(defun notmuch-search-append-result (result)
  "Insert RESULT at the end of the buffer.

This is only called when a result is first inserted so it also
sets the :orig-tag property."
  (let ((new-result (plist-put result :orig-tags (plist-get result :tags)))
	(pos (point-max)))
    (notmuch-search-show-result new-result pos)
    (when (string= (plist-get result :thread) notmuch-search-target-thread)
      (setq notmuch-search-target-thread "found")
      (goto-char pos))))

(defun notmuch-search-process-filter (proc string)
  "Process and filter the output of \"notmuch search\"."
  (let ((results-buf (process-buffer proc))
	(parse-buf (process-get proc 'parse-buf))
	(inhibit-read-only t))
    (when (buffer-live-p results-buf)
      (with-current-buffer parse-buf
	;; Insert new data
	(save-excursion
	  (goto-char (point-max))
	  (insert string))
	(notmuch-sexp-parse-partial-list 'notmuch-search-append-result
					 results-buf)))))

;;; Commands (and some helper functions used by them)

(defun notmuch-search-tag-all (tag-changes)
  "Add/remove tags from all messages in current search buffer.

See `notmuch-tag' for information on the format of TAG-CHANGES."
  (interactive
   (list (notmuch-read-tag-changes
	  (notmuch-search-get-tags-region (point-min) (point-max)) "Tag all")))
  (notmuch-search-tag tag-changes (point-min) (point-max) t))

(defun notmuch-search-buffer-title (query)
  "Returns the title for a buffer with notmuch search results."
  (let* ((saved-search
	  (let (longest
		(longest-length 0))
	    (cl-loop for tuple in notmuch-saved-searches
		     if (let ((quoted-query
			       (regexp-quote
				(notmuch-saved-search-get tuple :query))))
			  (and (string-match (concat "^" quoted-query) query)
			       (> (length (match-string 0 query))
				  longest-length)))
		     do (setq longest tuple))
	    longest))
	 (saved-search-name (notmuch-saved-search-get saved-search :name))
	 (saved-search-query (notmuch-saved-search-get saved-search :query)))
    (cond ((and saved-search (equal saved-search-query query))
	   ;; Query is the same as saved search (ignoring case)
	   (concat "*notmuch-saved-search-" saved-search-name "*"))
	  (saved-search
	   (concat "*notmuch-search-"
		   (replace-regexp-in-string
		    (concat "^" (regexp-quote saved-search-query))
		    (concat "[ " saved-search-name " ]")
		    query)
		   "*"))
	  (t
	   (concat "*notmuch-search-" query "*")))))

(defun notmuch-read-query (prompt)
  "Read a notmuch-query from the minibuffer with completion.

PROMPT is the string to prompt with."
  (let* ((all-tags
	  (mapcar (lambda (tag) (notmuch-escape-boolean-term tag))
		  (notmuch--process-lines notmuch-command "search" "--output=tags" "*")))
	 (completions
	  (append (list "folder:" "path:" "thread:" "id:" "date:" "from:" "to:"
			"subject:" "attachment:")
		  (mapcar (lambda (tag) (concat "tag:" tag)) all-tags)
		  (mapcar (lambda (tag) (concat "is:" tag)) all-tags)
		  (mapcar (lambda (mimetype) (concat "mimetype:" mimetype))
			  (mailcap-mime-types))))
	 (keymap (copy-keymap minibuffer-local-map))
	 (current-query (cl-case major-mode
			  (notmuch-search-mode (notmuch-search-get-query))
			  (notmuch-show-mode (notmuch-show-get-query))
			  (notmuch-tree-mode (notmuch-tree-get-query))))
	 (minibuffer-completion-table
	  (completion-table-dynamic
	   (lambda (string)
	     ;; Generate a list of possible completions for the current input.
	     (cond
	      ;; This ugly regexp is used to get the last word of the input
	      ;; possibly preceded by a '('.
	      ((string-match "\\(^\\|.* (?\\)\\([^ ]*\\)$" string)
	       (mapcar (lambda (compl)
			 (concat (match-string-no-properties 1 string) compl))
		       (all-completions (match-string-no-properties 2 string)
					completions)))
	      (t (list string)))))))
    ;; This was simpler than convincing completing-read to accept spaces:
    (define-key keymap (kbd "TAB") 'minibuffer-complete)
    (let ((history-delete-duplicates t))
      (read-from-minibuffer prompt nil keymap nil
			    'notmuch-search-history current-query nil))))

(defun notmuch-search-get-query ()
  "Return the current query in this search buffer."
  notmuch-search-query-string)

(put 'notmuch-search 'notmuch-doc "Search for messages.")
;;;###autoload
(defun notmuch-search (&optional query oldest-first target-thread target-line
				 no-display)
  "Display threads matching QUERY in a notmuch-search buffer.

If QUERY is nil, it is read interactively from the minibuffer.
Other optional parameters are used as follows:

  OLDEST-FIRST: A Boolean controlling the sort order of returned threads
  TARGET-THREAD: A thread ID (without the thread: prefix) that will be made
                 current if it appears in the search results.
  TARGET-LINE: The line number to move to if the target thread does not
               appear in the search results.
  NO-DISPLAY: Do not try to foreground the search results buffer. If it is
              already foregrounded i.e. displayed in a window, this has no
              effect, meaning the buffer will remain visible.

When called interactively, this will prompt for a query and use
the configured default sort order."
  (interactive
   (list
    ;; Prompt for a query
    nil
    ;; Use the default search order (if we're doing a search from a
    ;; search buffer, ignore any buffer-local overrides)
    (default-value 'notmuch-search-oldest-first)))

  (let* ((query (or query (notmuch-read-query "Notmuch search: ")))
	 (buffer (get-buffer-create (notmuch-search-buffer-title query))))
    (if no-display
	(set-buffer buffer)
      (pop-to-buffer-same-window buffer))
    (notmuch-search-mode)
    ;; Don't track undo information for this buffer
    (setq buffer-undo-list t)
    (setq notmuch-search-query-string query)
    (setq notmuch-search-oldest-first oldest-first)
    (setq notmuch-search-target-thread target-thread)
    (setq notmuch-search-target-line target-line)
    (notmuch-tag-clear-cache)
    (when (get-buffer-process buffer)
      (error "notmuch search process already running for query `%s'" query))
    (let ((inhibit-read-only t))
      (erase-buffer)
      (goto-char (point-min))
      (save-excursion
	(let ((proc (notmuch-start-notmuch
		     "notmuch-search" buffer #'notmuch-search-process-sentinel
		     "search" "--format=sexp" "--format-version=5"
		     (if oldest-first
			 "--sort=oldest-first"
		       "--sort=newest-first")
		     query)))
	  ;; Use a scratch buffer to accumulate partial output.
	  ;; This buffer will be killed by the sentinel, which
	  ;; should be called no matter how the process dies.
	  (process-put proc 'parse-buf
		       (generate-new-buffer " *notmuch search parse*"))
	  (set-process-filter proc 'notmuch-search-process-filter)
	  (set-process-query-on-exit-flag proc nil))))
    (run-hooks 'notmuch-search-hook)))

(defun notmuch-search-refresh-view ()
  "Refresh the current view.

Erases the current buffer and runs a new search with the same
query string as the current search. If the current thread is in
the new search results, then point will be placed on the same
thread. Otherwise, point will be moved to attempt to be in the
same relative position within the new buffer."
  (interactive)
  (notmuch-search notmuch-search-query-string
		  notmuch-search-oldest-first
		  (notmuch-search-find-thread-id 'bare)
		  (line-number-at-pos)
		  t)
  (goto-char (point-min)))

(defun notmuch-search-toggle-order ()
  "Toggle the current search order.

This command toggles the sort order for the current search. The
default sort order is defined by `notmuch-search-oldest-first'."
  (interactive)
  (setq notmuch-search-oldest-first (not notmuch-search-oldest-first))
  (notmuch-search-refresh-view))

(defun notmuch-group-disjunctive-query-string (query-string)
  "Group query if it contains a complex expression.
Enclose QUERY-STRING in parentheses if contains \"OR\" operators."
  (if (string-match-p "\\<[oO][rR]\\>" query-string)
      (concat "( " query-string " )")
    query-string))

(defun notmuch-search-filter (query)
  "Filter or LIMIT the current search results based on an additional query string.

Runs a new search matching only messages that match both the
current search results AND the additional query string provided."
  (interactive (list (notmuch-read-query "Filter search: ")))
  (let ((grouped-query (notmuch-group-disjunctive-query-string query))
	(grouped-original-query (notmuch-group-disjunctive-query-string
				 notmuch-search-query-string)))
    (notmuch-search (if (string= grouped-original-query "*")
			grouped-query
		      (concat grouped-original-query " and " grouped-query))
		    notmuch-search-oldest-first)))

(defun notmuch-search-filter-by-tag (tag)
  "Filter the current search results based on a single TAG.

Run a new search matching only messages that match the current
search results and that are also tagged with the given TAG."
  (interactive
   (list (notmuch-select-tag-with-completion "Filter by tag: "
					     notmuch-search-query-string)))
  (notmuch-search (concat notmuch-search-query-string " and tag:" tag)
		  notmuch-search-oldest-first))

(defun notmuch-search-by-tag (tag)
  "Display threads matching TAG in a notmuch-search buffer."
  (interactive
   (list (notmuch-select-tag-with-completion "Notmuch search tag: ")))
  (notmuch-search (concat "tag:" tag)))

;;;###autoload
(defun notmuch ()
  "Run notmuch and display saved searches, known tags, etc."
  (interactive)
  (notmuch-hello))

(defun notmuch-interesting-buffer (b)
  "Whether the current buffer's major-mode is a notmuch mode."
  (with-current-buffer b
    (memq major-mode '(notmuch-show-mode
		       notmuch-search-mode
		       notmuch-tree-mode
		       notmuch-hello-mode
		       notmuch-message-mode))))

;;;###autoload
(defun notmuch-cycle-notmuch-buffers ()
  "Cycle through any existing notmuch buffers (search, show or hello).

If the current buffer is the only notmuch buffer, bury it.
If no notmuch buffers exist, run `notmuch'."
  (interactive)
  (let (start first)
    ;; If the current buffer is a notmuch buffer, remember it and then
    ;; bury it.
    (when (notmuch-interesting-buffer (current-buffer))
      (setq start (current-buffer))
      (bury-buffer))

    ;; Find the first notmuch buffer.
    (setq first (cl-loop for buffer in (buffer-list)
			 if (notmuch-interesting-buffer buffer)
			 return buffer))

    (if first
	;; If the first one we found is any other than the starting
	;; buffer, switch to it.
	(unless (eq first start)
	  (pop-to-buffer-same-window first))
      (notmuch))))

;;; Integrations
;;;; Hl-line Support

(defun notmuch-hl-line-mode ()
  (prog1 (hl-line-mode)
    (when hl-line-overlay
      (overlay-put hl-line-overlay 'priority 1))))

;;;; Imenu Support

(defun notmuch-search-imenu-prev-index-position-function ()
  "Move point to previous message in notmuch-search buffer.
Used as`imenu-prev-index-position-function' in notmuch buffers."
  (notmuch-search-previous-thread))

(defun notmuch-search-imenu-extract-index-name-function ()
  "Return imenu name for line at point.
Used as `imenu-extract-index-name-function' in notmuch buffers.
Point should be at the beginning of the line."
  (format "%s (%s)"
	  (notmuch-search-find-subject)
	  (notmuch-search-find-authors)))

;;; _

(provide 'notmuch)

;; After provide to avoid loops if notmuch was require'd via notmuch-init-file.
(when init-file-user ; don't load init file if the -q option was used.
  (load notmuch-init-file t t nil t))

;;; notmuch.el ends here

debug log:

solving 2ef67c0e ...
found 2ef67c0e in https://yhetil.org/notmuch.git/

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://yhetil.org/notmuch.git/

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).