mirror of
https://git.notmuchmail.org/git/notmuch
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33fae33d82
The approach here is to move the optimization from mark-read to the more general remove-tag. Namely, don't call out to a "notmuch tag" command to remove a tag that's not there already.
601 lines
22 KiB
EmacsLisp
601 lines
22 KiB
EmacsLisp
; notmuch.el --- run notmuch within emacs
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;
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; Copyright © Carl Worth
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;
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; This file is part of Notmuch.
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;
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; Notmuch is free software: you can redistribute it and/or modify it
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; under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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;
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; Notmuch is distributed in the hope that it will be useful, but
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; WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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; General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
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;
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; Authors: Carl Worth <cworth@cworth.org>
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(defvar notmuch-show-mode-map
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(let ((map (make-sparse-keymap)))
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; I don't actually want all of these toggle commands occupying
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; keybindings. They steal valuable key-binding space, are hard
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; to remember, and act globally rather than locally.
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;
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; Will be much preferable to switch to direct manipulation for
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; toggling visibility of these components. Probably using
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; overlays-at to query and manipulate the current overlay.
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(define-key map "a" 'notmuch-show-archive-thread)
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(define-key map "b" 'notmuch-show-toggle-body-read-visible)
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(define-key map "c" 'notmuch-show-toggle-citations-visible)
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(define-key map "h" 'notmuch-show-toggle-headers-visible)
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(define-key map "n" 'notmuch-show-mark-read-then-next-message)
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(define-key map "p" 'notmuch-show-previous-message)
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(define-key map "q" 'kill-this-buffer)
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(define-key map "s" 'notmuch-show-toggle-signatures-visible)
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(define-key map "x" 'kill-this-buffer)
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(define-key map "+" 'notmuch-show-add-tag)
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(define-key map "-" 'notmuch-show-remove-tag)
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(define-key map " " 'notmuch-show-advance-marking-read-and-archiving)
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map)
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"Keymap for \"notmuch show\" buffers.")
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(fset 'notmuch-show-mode-map notmuch-show-mode-map)
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(defvar notmuch-show-message-begin-regexp " message{")
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(defvar notmuch-show-message-end-regexp " message}")
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(defvar notmuch-show-header-begin-regexp " header{")
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(defvar notmuch-show-header-end-regexp " header}")
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(defvar notmuch-show-body-begin-regexp " body{")
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(defvar notmuch-show-body-end-regexp " body}")
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(defvar notmuch-show-attachment-begin-regexp " attachment{")
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(defvar notmuch-show-attachment-end-regexp " attachment}")
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(defvar notmuch-show-part-begin-regexp " part{")
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(defvar notmuch-show-part-end-regexp " part}")
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(defvar notmuch-show-marker-regexp " \\(message\\|header\\|body\\|attachment\\|part\\)[{}].*$")
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(defvar notmuch-show-id-regexp "ID: \\(.*\\)$")
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(defvar notmuch-show-tags-regexp "(\\([^)]*\\))$")
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(defun notmuch-show-get-message-id ()
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(save-excursion
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(beginning-of-line)
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(if (not (looking-at notmuch-show-message-begin-regexp))
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(re-search-backward notmuch-show-message-begin-regexp))
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(re-search-forward notmuch-show-id-regexp)
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(buffer-substring (match-beginning 1) (match-end 1))))
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(defun notmuch-show-set-tags (tags)
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(save-excursion
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(beginning-of-line)
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(if (not (looking-at notmuch-show-message-begin-regexp))
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(re-search-backward notmuch-show-message-begin-regexp))
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(re-search-forward notmuch-show-tags-regexp)
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(let ((inhibit-read-only t)
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(beg (match-beginning 1))
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(end (match-end 1)))
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(delete-region beg end)
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(goto-char beg)
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(insert (mapconcat 'identity tags " ")))))
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(defun notmuch-show-get-tags ()
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(save-excursion
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(beginning-of-line)
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(if (not (looking-at notmuch-show-message-begin-regexp))
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(re-search-backward notmuch-show-message-begin-regexp))
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(re-search-forward notmuch-show-tags-regexp)
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(split-string (buffer-substring (match-beginning 1) (match-end 1)))))
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(defun notmuch-show-add-tag (tag)
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(interactive "sTag to add: ")
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(notmuch-call-notmuch-process "tag" (concat "+" tag) (concat "id:" (notmuch-show-get-message-id)))
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(notmuch-show-set-tags (delete-dups (sort (cons tag (notmuch-show-get-tags)) 'string<))))
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(defun notmuch-show-remove-tag (tag)
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(interactive "sTag to remove: ")
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(let ((tags (notmuch-show-get-tags)))
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(if (member tag tags)
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(progn
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(notmuch-call-notmuch-process "tag" (concat "-" tag) (concat "id:" (notmuch-show-get-message-id)))
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(notmuch-show-set-tags (delete tag tags))))))
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(defun notmuch-show-archive-thread ()
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"Archive each message currrently shown by removing the \"inbox\" tag from each.
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This command is safe from any race condition of new messages
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being delivered to the same thread. It does not archive the
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entire thread, but only the messages shown in the current
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buffer."
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(interactive)
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(save-excursion
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(goto-char (point-min))
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(while (not (eobp))
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(notmuch-show-remove-tag "inbox")
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(if (not (eobp))
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(forward-char))
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(if (not (re-search-forward notmuch-show-message-begin-regexp nil t))
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(goto-char (point-max))))))
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(defun notmuch-show-move-to-current-message-summary-line ()
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"Move to the beginning of the one-line summary of the current message.
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This gives us a stable place to move to and work from since the
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summary line is always visible. This is important since moving to
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an invisible location is unreliable, (the main command loop moves
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point either forward or backward to the next visible character
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when a command ends with point on an invisible character).
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Emits an error if point is not within a valid message, (that is
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not pattern of `notmuch-show-message-begin-regexp' could be found
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by searching backward)."
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(beginning-of-line)
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(if (not (looking-at notmuch-show-message-begin-regexp))
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(if (re-search-backward notmuch-show-message-begin-regexp nil t)
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(forward-line 2)
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(error "Not within a valid message."))
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(forward-line 2)))
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(defun notmuch-show-next-message ()
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"Advance to the beginning of the next message in the buffer.
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Moves to the beginning of the current message if already on the
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last message in the buffer."
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(interactive)
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(notmuch-show-move-to-current-message-summary-line)
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(re-search-forward notmuch-show-message-begin-regexp nil t)
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(notmuch-show-move-to-current-message-summary-line)
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(recenter 0))
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(defun notmuch-show-find-next-message ()
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"Returns the position of the next message in the buffer.
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Or the beginning of the current message if already within the last
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message in the buffer."
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; save-excursion doesn't save our window position
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; save-window-excursion doesn't save point
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; Looks like we have to use both.
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(save-excursion
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(save-window-excursion
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(notmuch-show-next-message)
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(point))))
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(defun notmuch-show-previous-message ()
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"Backup to the beginning of the previous message in the buffer.
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If within a message rather than at the beginning of it, then
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simply move to the beginning of the current message."
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(interactive)
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(let ((start (point)))
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(notmuch-show-move-to-current-message-summary-line)
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(if (not (< (point) start))
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; Go backward twice to skip the current message's marker
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(progn
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(re-search-backward notmuch-show-message-begin-regexp nil t)
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(re-search-backward notmuch-show-message-begin-regexp nil t)
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(notmuch-show-move-to-current-message-summary-line)
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))
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(recenter 0)))
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(defun notmuch-show-mark-read-then-next-message ()
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"Remove unread tag from current message, then advance to next message."
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(interactive)
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(notmuch-show-remove-tag "unread")
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(notmuch-show-next-message))
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(defun notmuch-show-advance-marking-read-and-archiving ()
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"Advance through buffer, marking read and archiving.
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This command is intended to be one of the simplest ways to
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process a thread of email. It does the following:
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If the current message in the thread is not yet fully visible,
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scroll by a near screenful to read more of the message.
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Otherwise, (the end of the current message is already within the
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current window), remove the \"unread\" tag from the current
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message and advance to the next message.
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Finally, if there is no further message to advance to, and this
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last message is already read, then archive the entire current
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thread, (remove the \"inbox\" tag from each message)."
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(interactive)
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(let ((next (notmuch-show-find-next-message))
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(unread (member "unread" (notmuch-show-get-tags))))
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(if (and (not unread)
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(equal next (point)))
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(notmuch-show-archive-thread)
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(if (< (notmuch-show-find-next-message) (window-end))
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(notmuch-show-mark-read-then-next-message)
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(scroll-up nil)))))
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(defun notmuch-show-markup-citations-region (beg end)
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(goto-char beg)
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(beginning-of-line)
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(while (< (point) end)
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(let ((beg-sub (point)))
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(if (looking-at ">")
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(progn
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(while (looking-at ">")
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(next-line))
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(let ((overlay (make-overlay beg-sub (point))))
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(overlay-put overlay 'invisible 'notmuch-show-citation)
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(overlay-put overlay 'before-string
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(concat "[" (number-to-string (count-lines beg-sub (point)))
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" quoted lines.]")))))
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(if (looking-at "--[ ]?$")
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(let ((overlay (make-overlay beg-sub end)))
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(overlay-put overlay 'invisible 'notmuch-show-signature)
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(overlay-put overlay 'before-string
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(concat "[" (number-to-string (count-lines beg-sub (point)))
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"-line signature.]"))
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(goto-char end)))
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(next-line))))
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(defun notmuch-show-markup-body ()
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(re-search-forward notmuch-show-body-begin-regexp)
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(next-line 1)
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(beginning-of-line)
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(let ((beg (point)))
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(re-search-forward notmuch-show-body-end-regexp)
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(let ((end (match-beginning 0)))
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(notmuch-show-markup-citations-region beg end)
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(if (not (member "unread" (notmuch-show-get-tags)))
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(overlay-put (make-overlay beg end)
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'invisible 'notmuch-show-body-read)))))
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(defun notmuch-show-markup-header ()
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(re-search-forward notmuch-show-header-begin-regexp)
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(next-line 2)
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(beginning-of-line)
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(let ((beg (point)))
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(re-search-forward notmuch-show-header-end-regexp)
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(overlay-put (make-overlay beg (match-beginning 0))
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'invisible 'notmuch-show-header)))
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(defun notmuch-show-markup-message ()
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(if (re-search-forward notmuch-show-message-begin-regexp nil t)
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(progn
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(notmuch-show-markup-header)
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(notmuch-show-markup-body))
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(goto-char (point-max))))
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(defun notmuch-show-hide-markers ()
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(save-excursion
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(goto-char (point-min))
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(while (not (eobp))
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(if (re-search-forward notmuch-show-marker-regexp nil t)
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(progn
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(overlay-put (make-overlay (match-beginning 0) (+ (match-end 0) 1))
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'invisible 'notmuch-show-marker))
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(goto-char (point-max))))))
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(defun notmuch-show-markup-messages ()
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(save-excursion
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(goto-char (point-min))
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(while (not (eobp))
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(notmuch-show-markup-message)))
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(notmuch-show-hide-markers))
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(defun notmuch-show-toggle-citations-visible ()
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"Toggle visibility of citations"
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(interactive)
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(if notmuch-show-citations-visible
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(add-to-invisibility-spec 'notmuch-show-citation)
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(remove-from-invisibility-spec 'notmuch-show-citation))
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(set 'notmuch-show-citations-visible (not notmuch-show-citations-visible))
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; Need to force the redisplay for some reason
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(force-window-update)
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(redisplay t))
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(defun notmuch-show-toggle-signatures-visible ()
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"Toggle visibility of signatures"
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(interactive)
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(if notmuch-show-signatures-visible
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(add-to-invisibility-spec 'notmuch-show-signature)
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(remove-from-invisibility-spec 'notmuch-show-signature))
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(set 'notmuch-show-signatures-visible (not notmuch-show-signatures-visible))
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; Need to force the redisplay for some reason
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(force-window-update)
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(redisplay t))
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(defun notmuch-show-toggle-headers-visible ()
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"Toggle visibility of header fields"
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(interactive)
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(if notmuch-show-headers-visible
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(add-to-invisibility-spec 'notmuch-show-header)
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(remove-from-invisibility-spec 'notmuch-show-header))
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(set 'notmuch-show-headers-visible (not notmuch-show-headers-visible))
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; Need to force the redisplay for some reason
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(force-window-update)
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(redisplay t))
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(defun notmuch-show-toggle-body-read-visible ()
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"Toggle visibility of message bodies of read messages"
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(interactive)
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(if notmuch-show-body-read-visible
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(add-to-invisibility-spec 'notmuch-show-body-read)
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(remove-from-invisibility-spec 'notmuch-show-body-read))
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(set 'notmuch-show-body-read-visible (not notmuch-show-body-read-visible))
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; Need to force the redisplay for some reason
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(force-window-update)
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(redisplay t))
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;;;###autoload
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(defun notmuch-show-mode ()
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"Major mode for viewing a thread with notmuch.
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This buffer contains the results of the \"notmuch show\" command
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for displaying a single thread of email from your email archives.
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By default, various components of email messages, (citations,
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signatures, already-read messages), are invisible to help you
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focus on the most important things, (new text from unread
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messages). See the various commands below for toggling the
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visibility of hidden components.
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The `notmuch-show-next-message' and
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`notmuch-show-previous-message' commands, (bound to 'n' and 'p by
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default), allow you to navigate to the next and previous
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messages. Each time you navigate away from a message with
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`notmuch-show-next-message' the current message will have its
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\"unread\" tag removed.
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You can add or remove tags from the current message with '+' and
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'-'. You can also archive all messages in the current
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view, (remove the \"inbox\" tag from each), with
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`notmuch-show-archive-thread' (bound to 'a' by default).
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\\{notmuch-show-mode-map}"
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(interactive)
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(kill-all-local-variables)
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(set (make-local-variable 'notmuch-show-headers-visible) t)
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(notmuch-show-toggle-headers-visible)
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(set (make-local-variable 'notmuch-show-body-read-visible) t)
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(notmuch-show-toggle-body-read-visible)
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(set (make-local-variable 'notmuch-show-citations-visible) t)
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(notmuch-show-toggle-citations-visible)
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(set (make-local-variable 'notmuch-show-signatures-visible) t)
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(notmuch-show-toggle-signatures-visible)
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(add-to-invisibility-spec 'notmuch-show-marker)
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(use-local-map notmuch-show-mode-map)
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(setq major-mode 'notmuch-show-mode
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mode-name "notmuch-show")
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(setq buffer-read-only t))
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(defun notmuch-show (thread-id)
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"Run \"notmuch show\" with the given thread ID and display results."
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(interactive "sNotmuch show: ")
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(let ((buffer (get-buffer-create (concat "*notmuch-show-" thread-id "*"))))
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(switch-to-buffer buffer)
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(notmuch-show-mode)
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(let ((proc (get-buffer-process (current-buffer)))
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(inhibit-read-only t))
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(if proc
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(error "notmuch search process already running for query `%s'" query)
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)
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(erase-buffer)
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(goto-char (point-min))
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(save-excursion
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(call-process "notmuch" nil t nil "show" thread-id)
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(notmuch-show-markup-messages)
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)
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)))
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(defvar notmuch-search-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map "a" 'notmuch-search-archive-thread)
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(define-key map "b" 'scroll-down)
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(define-key map "f" 'notmuch-search-filter)
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(define-key map "n" 'next-line)
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(define-key map "p" 'previous-line)
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(define-key map "q" 'kill-this-buffer)
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(define-key map "s" 'notmuch-search)
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(define-key map "t" 'notmuch-search-filter-by-tag)
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(define-key map "x" 'kill-this-buffer)
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(define-key map "\r" 'notmuch-search-show-thread)
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(define-key map "+" 'notmuch-search-add-tag)
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(define-key map "-" 'notmuch-search-remove-tag)
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(define-key map "<" 'beginning-of-buffer)
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(define-key map ">" 'notmuch-search-goto-last-thread)
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(define-key map "=" 'notmuch-search-refresh-view)
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(define-key map "\M->" 'notmuch-search-goto-last-thread)
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(define-key map " " 'scroll-up)
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(define-key map (kbd "<DEL>") 'scroll-down)
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map)
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"Keymap for \"notmuch search\" buffers.")
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(fset 'notmuch-search-mode-map notmuch-search-mode-map)
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(defun notmuch-search-goto-last-thread (&optional arg)
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"Move point to the last thread in the buffer."
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(interactive "^P")
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(end-of-buffer arg)
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(beginning-of-line))
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;;;###autoload
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(defun notmuch-search-mode ()
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"Major mode for searching mail with notmuch.
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This buffer contains the results of a \"notmuch search\" of your
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email archives. Each line in the buffer represents a single
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thread giving a relative date for the thread and a subject.
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Pressing RET on any line displays that thread. The '+' and '-'
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keys can be used to add or remove tags from a thread. The 'a' key
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is a convenience key for archiving a thread (removing the
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\"inbox\" tag).
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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.
|
||
|
||
\\{notmuch-search-mode-map}"
|
||
(interactive)
|
||
(kill-all-local-variables)
|
||
(make-local-variable 'notmuch-search-query-string)
|
||
(set (make-local-variable 'scroll-preserve-screen-position) t)
|
||
(add-to-invisibility-spec 'notmuch-search)
|
||
(use-local-map notmuch-search-mode-map)
|
||
(setq major-mode 'notmuch-search-mode
|
||
mode-name "notmuch-search")
|
||
(setq buffer-read-only t))
|
||
|
||
(defun notmuch-search-find-thread-id ()
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(let ((beg (point)))
|
||
(re-search-forward "[a-fA-F0-9]*")
|
||
(filter-buffer-substring beg (point)))))
|
||
|
||
(defun notmuch-search-markup-this-thread-id ()
|
||
(beginning-of-line)
|
||
(let ((beg (point)))
|
||
(re-search-forward "[a-fA-F0-9]*")
|
||
(forward-char)
|
||
(overlay-put (make-overlay beg (point)) 'invisible 'notmuch-search)))
|
||
|
||
(defun notmuch-search-markup-thread-ids ()
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(while (not (eobp))
|
||
(notmuch-search-markup-this-thread-id)
|
||
(next-line))))
|
||
|
||
(defun notmuch-search-hide-thread-ids ()
|
||
(interactive)
|
||
(add-to-invisibility-spec 'notmuch-search)
|
||
(force-window-update)
|
||
(redisplay t))
|
||
|
||
(defun notmuch-search-show-thread-ids ()
|
||
(interactive)
|
||
(remove-from-invisibility-spec 'notmuch-search)
|
||
(force-window-update)
|
||
(redisplay t))
|
||
|
||
(defun notmuch-search-show-thread ()
|
||
(interactive)
|
||
(notmuch-show (notmuch-search-find-thread-id)))
|
||
|
||
(defun notmuch-call-notmuch-process (&rest args)
|
||
(let ((error-buffer (get-buffer-create "*Notmuch errors*")))
|
||
(with-current-buffer error-buffer
|
||
(erase-buffer))
|
||
(if (eq (apply 'call-process "notmuch" nil error-buffer nil args) 0)
|
||
(point)
|
||
(progn
|
||
(with-current-buffer error-buffer
|
||
(let ((beg (point-min))
|
||
(end (- (point-max) 1)))
|
||
(error (buffer-substring beg end))
|
||
))))))
|
||
|
||
(defun notmuch-search-set-tags (tags)
|
||
(save-excursion
|
||
(end-of-line)
|
||
(re-search-backward "(")
|
||
(forward-char)
|
||
(let ((beg (point))
|
||
(inhibit-read-only t))
|
||
(re-search-forward ")")
|
||
(backward-char)
|
||
(let ((end (point)))
|
||
(delete-region beg end)
|
||
(insert (mapconcat 'identity tags " "))))))
|
||
|
||
(defun notmuch-search-get-tags ()
|
||
(save-excursion
|
||
(end-of-line)
|
||
(re-search-backward "(")
|
||
(let ((beg (+ (point) 1)))
|
||
(re-search-forward ")")
|
||
(let ((end (- (point) 1)))
|
||
(split-string (buffer-substring beg end))))))
|
||
|
||
(defun notmuch-search-add-tag (tag)
|
||
(interactive "sTag to add: ")
|
||
(notmuch-call-notmuch-process "tag" (concat "+" tag) (concat "thread:" (notmuch-search-find-thread-id)))
|
||
(notmuch-search-set-tags (delete-dups (sort (cons tag (notmuch-search-get-tags)) 'string<))))
|
||
|
||
(defun notmuch-search-remove-tag (tag)
|
||
(interactive "sTag to remove: ")
|
||
(notmuch-call-notmuch-process "tag" (concat "-" tag) (concat "thread:" (notmuch-search-find-thread-id)))
|
||
(notmuch-search-set-tags (delete tag (notmuch-search-get-tags))))
|
||
|
||
(defun notmuch-search-archive-thread ()
|
||
"Archive the current thread (remove its \"inbox\" tag).
|
||
|
||
This function advances point to the next line when finished."
|
||
(interactive)
|
||
(notmuch-search-remove-tag "inbox")
|
||
(next-line))
|
||
|
||
(defun notmuch-search (query)
|
||
"Run \"notmuch search\" with the given query string and display results."
|
||
(interactive "sNotmuch search: ")
|
||
(let ((buffer (get-buffer-create (concat "*notmuch-search-" query "*"))))
|
||
(switch-to-buffer buffer)
|
||
(notmuch-search-mode)
|
||
(set 'notmuch-search-query-string query)
|
||
(let ((proc (get-buffer-process (current-buffer)))
|
||
(inhibit-read-only t))
|
||
(if proc
|
||
(error "notmuch search process already running for query `%s'" query)
|
||
)
|
||
(erase-buffer)
|
||
(goto-char (point-min))
|
||
(save-excursion
|
||
(call-process "notmuch" nil t nil "search" query)
|
||
(notmuch-search-markup-thread-ids)
|
||
; A well-behaved program ends its output with a newline, but we
|
||
; don't actually want the blank line at the end of the file.
|
||
(goto-char (point-max))
|
||
(if (looking-at "^$")
|
||
(delete-backward-char 1)
|
||
)
|
||
))))
|
||
|
||
(defun notmuch-search-refresh-view ()
|
||
"Refresh the current view.
|
||
|
||
Kills 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)
|
||
(let ((here (point))
|
||
(thread (notmuch-search-find-thread-id))
|
||
(query notmuch-search-query-string))
|
||
(kill-this-buffer)
|
||
(notmuch-search query)
|
||
(goto-char (point-min))
|
||
(if (re-search-forward (concat "^" thread) nil t)
|
||
(beginning-of-line)
|
||
(goto-char here))))
|
||
|
||
(defun notmuch-search-filter (query)
|
||
"Filter 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 "sFilter search: ")
|
||
(notmuch-search (concat notmuch-search-query-string " and " query)))
|
||
|
||
(defun notmuch-search-filter-by-tag (tag)
|
||
"Filter the current search results based on a single tag.
|
||
|
||
Runs a new search matching only messages that match both the
|
||
current search results AND that are tagged with the given tag."
|
||
(interactive "sFilter by tag: ")
|
||
(notmuch-search (concat notmuch-search-query-string " and tag:" tag)))
|
||
|
||
(defun notmuch ()
|
||
"Run notmuch to display all mail with tag of 'inbox'"
|
||
(interactive)
|
||
(notmuch-search "tag:inbox"))
|
||
|
||
(provide 'notmuch)
|