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#+property: header-args:emacs-lisp :lexical t :tangle yes :comments yes :results silent :shebang ";; -*- lexical-binding: t; -*-" :tangle-mode (identity #o644)
#+title: notmuch configuration

* minibuffer
  #+begin_src emacs-lisp
    (defvar jao-notmuch-minibuffer-string "")

    (defvar jao-notmuch-minibuffer-queries
      '((:name "" :query "tag:new and not tag:draft" :face jao-themes-f00)
        (:name "B" :query "tag:new and tag:bigml and tag:inbox" :face default)
        (:name "b" :query "tag:new and tag:bigml and tag:bugs"
               :face jao-themes-error)
        (:name "S" :query "tag:new and tag:bigml and tag:support" :face default)
        (:name "W"
               :query "tag:new and tag:bigml and not tag:\"/support|bugs|inbox/\""
               :face default)
        (:name "I"
               :query "tag:new and tag:jao and tag:inbox"
               :face jao-themes-warning)
        (:name "J"
               :query "tag:new and tag:jao and not tag:\"/local|hacking|draft|inbox/\""
               :face default)
        (:name "H" :query "tag:new and tag:hacking and not tag:\"/emacs/\"")
        (:name "E" :query "tag:new and tag:\"/emacs/\"")
        (:name "l" :query "tag:new and tag:local")
        (:name "F" :query "tag:new and tag:feeds and not tag:\"/emacs/\"")))

    (defun jao-notmuch-notify ()
      (let ((cnts (notmuch-hello-query-counts jao-notmuch-minibuffer-queries)))
        (setq jao-notmuch-minibuffer-string
              (mapconcat (lambda (c)
                           (propertize (format "%s%s"
                                               (plist-get c :name)
                                               (plist-get c :count))
                                       'face (or (plist-get c :face)
                                                 'jao-themes-dimm)))
                         cnts
                         " "))
        (jao-minibuffer-refresh)))

    (when jao-notmuch-enabled
      (jao-minibuffer-add-variable 'jao-notmuch-minibuffer-string -20))
  #+end_src
* saved searches
  #+begin_src emacs-lisp
    (defvar jao-notmuch--new "tag:\"/^(unread|new)$/\"")
    (defvar jao-notmuch--newa (concat jao-notmuch--new " AND "))

    (defun jao-notmuch--q (d0 d1 &optional k qs st)
      (let ((q (or (when qs (mapconcat #'identity qs " AND "))
                   (concat jao-notmuch--newa
                           (mapconcat (lambda (d) (when d (concat "tag:" d)))
                                      (list d0 d1) " AND ")))))
        (list :name (concat d0 (when (and d1 (not (string= "" d1))) "/") d1)
              :key k :query q :search-type (or st 'tree)
              :sort-order 'oldest-first)))

    (defun jao-notmuch--qn (d0 d1 k qs &optional st)
      (jao-notmuch--q d0 d1 k (cons jao-notmuch--new qs) st))

    (defun jao-notmuch--sq (tag &optional k d0 d1)
      (jao-notmuch--qn (or d0 "feeds") (or d1 tag) k (list (concat "tag:" tag))))

    (defvar jao-notmuch--shared-tags
      '("new" "unread" "flagged" "signed" "sent" "attachment" "forwarded"
        "encrypted" "gmane" "feeds" "rss" "mce" "trove" "prog" "emacs"))

    (defun jao-notmuch--subtags (tag &rest excl)
      (let* ((cmd (concat "notmuch search --output=tags tag:" tag))
             (ts (split-string (shell-command-to-string cmd))))
        (seq-difference ts (append jao-notmuch--shared-tags (cons tag excl)))))

    (defvar jao-notmuch-feed-searches
      (append (mapcar #'jao-notmuch--sq '("news"
                                          "fun"
                                          "words"
                                          "computers"
                                          "mailutils"
                                          "notmuch"
                                          "lobsters"
                                          "clojure"
                                          "haskell"
                                          "idris"
                                          "pharo"
                                          "lisp"
                                          "scheme"
                                          "xmobar"
                                          "geiser"
                                          "philosophy"
                                          "math"
                                          "physics"
                                          "sci"
                                          "gr-qc"
                                          "quant-ph"))
              `(,(jao-notmuch--qn "feeds" "prog" "fp"
                                  '("tag:prog" "not tag:\"/emacs/\"")))))

    (defvar jao-notmuch-inbox-searches
      `(,(jao-notmuch--q "bigml" "inbox" "bi")
        ,(jao-notmuch--q "bigml" "support" "bs")
        ,(jao-notmuch--q "bigml" "bugs" "bb")
        ,(jao-notmuch--q "bigml" "drivel" "bd")
        ,(jao-notmuch--q "bigml" "lists" "bl")
        ,(jao-notmuch--q "jao" "inbox" "ji")
        ,(jao-notmuch--q "jao" "bills" "jb")
        ,(jao-notmuch--q "jao" "drivel" "jd")
        ,(jao-notmuch--q "jao" "mdk" "jm")
        ,(jao-notmuch--qn "jao" "hacking" "jh"
                          '("tag:hacking" "not tag:\"/emacs/\""))
        ,(jao-notmuch--qn "jao" "local" "jl" '("tag:local"))))

    (defvar jao-notmuch-emacs-searches
      `(,(jao-notmuch--sq "emacs" "ee" "emacs" "feeds")
        ,(jao-notmuch--sq "emacs-github" "eg" "emacs" "github")
        ,(jao-notmuch--sq "emacs-devel" "ed" "emacs" "devel")
        ,(jao-notmuch--sq "emacs-bugs" "eb" "emacs" "bugs")
        ,(jao-notmuch--sq "emacs-diffs" "ec" "emacs" "diffs")
        ,(jao-notmuch--sq "emacs-orgmode" "eo" "emacs" "org")))

    (setq notmuch-saved-searches
          (append jao-notmuch-inbox-searches
                  jao-notmuch-feed-searches
                  jao-notmuch-emacs-searches))

    (defvar jao-notmuch-dynamic-searches
      `(,(jao-notmuch--q "bml" "today" "tb" '("tag:bigml" "date:24h.."))
        ,(jao-notmuch--q "bml" "flagged" "rb" '("tag:flagged" "tag:bigml"))
        ,(jao-notmuch--q "jao" "today" "tj"
                         '("tag:jao" "date:24h.."
                           "not tag:\"/(feeds|spam|local)/\""))
        ,(jao-notmuch--q "jao" "flagged" "rj" '("tag:flagged" "tag:jao"))
        ,(jao-notmuch--q "jao" "drafts" "d" '("tag:draft"))
        ,(jao-notmuch--q "feeds" "flagged" "rf" '("tag:flagged" "tag:feeds"))))

    (defvar jao-notmuch-new-searches
      `(,(jao-notmuch--q "new" nil "nn" '("tag:new" "not tag:draft"))
        ,(jao-notmuch--q "unread" nil "nu" '("tag:unread"))
        (:query "*" :name "messages")))

    (defun jao-notmuch-tree-widen-search ()
      (interactive)
      (when-let ((query (notmuch-tree-get-query)))
        (let ((notmuch-show-process-crypto (notmuch-tree--message-process-crypto)))
          (notmuch-tree-close-message-window)
          (notmuch-tree (string-replace jao-notmuch--newa "" query)))))

    (defun jao-notmuch-widen-searches (searches)
      (mapcar (lambda (s)
                (let ((q (plist-get s :query)))
                  (plist-put (copy-sequence s)
                             :query (string-replace jao-notmuch--newa "" q))))
              searches))

    (defvar jao-notmuch-widened-searches
      (jao-notmuch-widen-searches notmuch-saved-searches))

    (defun jao-notmuch-jump-search (&optional widen)
      (interactive "P")
      (let ((notmuch-saved-searches
             (if widen jao-notmuch-widened-searches notmuch-saved-searches)))
        (notmuch-jump-search)))

  #+end_src
* tags
  #+begin_src emacs-lisp
    (setq notmuch-archive-tags '("+trove" "-new" "-inbox")
          notmuch-show-mark-read-tags '("-new" "-unread")
          notmuch-tag-formats
          (let ((d `(:foreground ,(face-attribute 'jao-themes-dimm :foreground)))
                (e `(:foreground ,(face-attribute 'jao-themes-error :foreground)
                     :weight bold)))
            `(("unread")
              ("signed")
              ("new" "N")
              ("replied" "↩" (propertize tag 'face '(:family "Fira Code")))
              ("sent" "S")
              ("attachment" "📎")
              ("deleted" "🗙" (propertize tag 'face '(:underline nil ,@e)))
              ("flagged" "!" (propertize tag 'face ',e))
              ("jao" "j")
              ("bigml" "b")
              ("feeds" "f")
              ("gmane" "g")))
          notmuch-tag-deleted-formats
          '(("unread")
            ("new")
            (".*" (notmuch-apply-face tag 'notmuch-tag-deleted))))

    (with-eval-after-load "notmuch-tag"
      (advice-add #'notmuch-read-tag-changes
                  :filter-return (lambda (x) (mapcar #'string-trim x))))
  #+end_src
* package
  #+begin_src emacs-lisp
    (add-to-list 'load-path "/usr/local/share/emacs/site-lisp/")

    (use-package notmuch
      :init
      (setq notmuch-address-use-company nil
            notmuch-address-command (if jao-notmuch-enabled 'internal 'as-is)
            notmuch-always-prompt-for-sender t
            notmuch-draft-folder "local"
            notmuch-draft-quoted-tags '("part")
            notmuch-address-internal-completion '(received nil)
            notmuch-fcc-dirs
            '(("\\(support\\|education\\)@bigml.com" . nil)
              (".*@bigml.com" . "bigml +bigml +sent -new -unread")
              (".*" . "jao +jao +sent +trove -new -unread"))
            notmuch-maildir-use-notmuch-insert t)

      :config

      (add-hook 'message-send-hook #'notmuch-mua-attachment-check)

      (when jao-notmuch-enabled
        (define-key message-mode-map (kbd "C-c C-d") #'notmuch-draft-postpone)
        (setq message-directory "~/var/mail/"
              message-auto-save-directory "/tmp"
              mail-user-agent 'message-user-agent))

      :bind (:map notmuch-common-keymap
             (("E" . jao-notmuch-open-enclosure)
              ("B" . notmuch-show-resend-message)
              ("b" . jao-notmuch-browse-urls))))

    (use-package jao-notmuch :demand t)

  #+end_src
* hello
  #+begin_src emacs-lisp
    (defun jao-notmuch-hello--insert-searches (searches title)
      (when-let (searches (notmuch-hello-query-counts searches))
        (let* ((cnt (when title
                      (seq-reduce (lambda (c q)
                                    (+ c (or (plist-get q :count) 0)))
                                  searches
                                  0)))
               (title (if title (format "[ %d %s ]\n\n" cnt title) "\n")))
          (widget-insert (propertize title 'face 'jao-themes-f00))
          (let ((notmuch-column-control 1.0)
                (start (point)))
            (notmuch-hello-insert-buttons searches)
            (indent-rigidly start (point) notmuch-hello-indent)))))

    (defun jao-notmuch-hello-insert-inbox-searches ()
      (jao-notmuch-hello--insert-searches jao-notmuch-inbox-searches "inbox"))

    (defun jao-notmuch-hello-insert-feeds-searches ()
      (jao-notmuch-hello--insert-searches jao-notmuch-feed-searches "feeds"))

    (defun jao-notmuch-hello-insert-emacs-searches ()
      (jao-notmuch-hello--insert-searches jao-notmuch-emacs-searches "emacs"))

    (defun jao-notmuch-hello-insert-dynamic-searches ()
      (jao-notmuch-hello--insert-searches jao-notmuch-dynamic-searches "dynamic")
      (jao-notmuch-hello--insert-searches jao-notmuch-new-searches nil))

    (defun jao-notmuch-refresh-agenda ()
      (interactive)
      (save-window-excursion (org-agenda-list))
      (let ((b (current-buffer)))
        (pop-to-buffer "*Calendar*")
        (goto-char (point-min))
        (calendar-goto-today)
        (pop-to-buffer b)))

    (defun jao-notmuch-hello-first ()
      (interactive)
      (let ((inhibit-message t))
        (beginning-of-buffer)
        (widget-forward 1)))

    (defun jao-notmuch-refresh-hello ()
      (interactive)
      (ignore-errors
        (when (and (string= "Mail" (jao-afio-current-frame))
                   (derived-mode-p 'notmuch-hello-mode))
          (when (not (string-blank-p jao-notmuch-minibuffer-string))
            (let ((notmuch-hello-auto-refresh nil)) (notmuch-hello)))
          (jao-notmuch-hello-first))))

    (defvar jao-notmuch-hello--sec-rx "^\\(\\[ [0-9]+\\|All tags:.+\\)")

    (defun jao-notmuch-hello-next-section ()
      (interactive)
      (when (re-search-forward jao-notmuch-hello--sec-rx  nil t)
        (widget-forward 1)))

    (defun jao-notmuch-hello-prev-section ()
      (interactive)
      (beginning-of-line)
      (unless (looking-at-p jao-notmuch-hello--sec-rx)
        (re-search-backward jao-notmuch-hello--sec-rx nil t))
      (when (re-search-backward jao-notmuch-hello--sec-rx  nil t)
        (end-of-line)
        (widget-forward 1)))

    (defun jao-notmuch-hello-next ()
      (interactive)
      (if (widget-at)
          (widget-button-press (point))
        (jao-notmuch-hello-next-section)))

    (use-package notmuch-hello
      :init
      (setq notmuch-column-control t
            notmuch-hello-sections '(jao-notmuch-hello-insert-inbox-searches
                                     jao-notmuch-hello-insert-feeds-searches
                                     jao-notmuch-hello-insert-emacs-searches
                                     jao-notmuch-hello-insert-dynamic-searches
                                     notmuch-hello-insert-alltags)
            notmuch-hello-hide-tags nil
            notmuch-hello-thousands-separator ","
            notmuch-hello-auto-refresh t
            notmuch-show-all-tags-list nil
            notmuch-show-logo nil
            notmuch-show-empty-saved-searches nil)

      :hook ((notmuch-hello-refresh . jao-notmuch-notify)
             (jao-afio-switch . jao-notmuch-refresh-hello))

      :bind (:map notmuch-hello-mode-map
             (("a" . jao-notmuch-refresh-agenda)
              ("j" . jao-notmuch-jump-search)
              ("n" . jao-notmuch-hello-next)
              ("p" . widget-backward)
              ("S" . consult-notmuch)
              ("g" . jao-notmuch-refresh-hello)
              ("." . jao-notmuch-hello-first)
              ("SPC" . widget-button-press)
              ("[" . jao-notmuch-hello-prev-section)
              ("]" . jao-notmuch-hello-next-section))))

  #+end_src
* show
  #+begin_src emacs-lisp
    (defun jao-notmuch-open-enclosure (add)
      (interactive "P")
      (with-current-notmuch-show-message
       (goto-char (point-min))
       (if (not (search-forward "Enclosure:" nil t))
           (user-error "No enclosure in message body")
         (re-search-forward "https?://" nil t)
         (if-let (url (thing-at-point-url-at-point))
             (progn
               (message "%s %s ..." (if add "Adding" "Playing") url)
               (unless add (jao-mpc-clear))
               (jao-mpc-add-url url)
               (unless add (jao-mpc-play)))
           (error "Found an enclosure, but not a link!")))))

    (defconst jao-mail-clean-rx
      (regexp-opt '("ElDiario.es - ElDiario.es: " "The Guardian: "
                    "The Conversation – Articles (UK): ")))

    (defun jao-mail-clean-address (args)
      (when-let ((address (car args)))
        (list (if (string-match ".+ updates on arXiv.org: \\(.+\\)" address)
                  (with-temp-buffer
                    (insert (match-string 1 address))
                    (let ((shr-width 1000))
                      (shr-render-region (point-min) (point-max)))
                    (replace-regexp-in-string "\"" "" (buffer-string)))
                (replace-regexp-in-string jao-mail-clean-rx "" address)))))

    (use-package notmuch-show
      :init
      (setq gnus-blocked-images "."
            notmuch-message-headers
            '("To" "Cc" "Date" "Reply-To" "List-Id" "X-RSS-Feed")
            notmuch-show-only-matching-messages t
            notmuch-show-part-button-default-action 'notmuch-show-view-part
            notmuch-wash-signature-lines-max 0
            notmuch-wash-wrap-lines-length 80
            notmuch-wash-citation-lines-prefix 10
            notmuch-wash-citation-lines-suffix 20
            notmuch-show-text/html-blocked-images "."
            notmuch-show-header-line t)

      :config

      (advice-add 'notmuch-clean-address :filter-args #'jao-mail-clean-address)

      :bind
      (:map notmuch-show-mode-map
       (("h" . jao-notmuch-goto-tree-buffer)
        ("TAB" . jao-notmuch-show-next-button)
        ([backtab] . jao-notmuch-show-previous-button)
        ("RET" . jao-notmuch-show-ret))))
  #+end_src
* search
  #+begin_src emacs-lisp
    (use-package notmuch-search
      :init (setq notmuch-search-result-format
                  '(("date" . "%12s ")
                    ("count" . "%-7s ")
                    ("authors" . "%-35s")
                    ("subject" . " %-100s")
                    (jao-notmuch-format-tags . "  (%s)"))
                  notmuch-search-buffer-name-format "*%s*"
                  notmuch-saved-search-buffer-name-format "*%s*")
      :bind (:map notmuch-search-mode-map
             (("RET" . notmuch-tree-from-search-thread)
              ("M-RET" . notmuch-search-show-thread))))

  #+end_src
* tree
  #+begin_src emacs-lisp
    (defun jao-notmuch-tree--forward (&optional prev)
      (interactive)
      (forward-line (if prev -1 1))
      (when prev (forward-char 2))
      (jao-notmuch-tree-scroll-or-next))

    (defun jao-notmuch-tree--backward ()
      (interactive)
      (jao-notmuch-tree--forward t))

    (defun jao-notmuch--via-url ()
      (when (window-live-p notmuch-tree-message-window)
        (with-selected-window notmuch-tree-message-window
          (goto-char (point-min))
          (when (re-search-forward "^Via: http" nil t)
            (thing-at-point-url-at-point)))))

    (defun jao-notmuch-browse-url (ext)
      (interactive "P")
      (when-let (url (or (jao-notmuch--via-url)
                         (car (last (jao-notmuch-message-urls)))))
        (funcall (if ext browse-url-secondary-browser-function #'browse-url)
                 url)))

    (use-package notmuch-tree
      :init
      (setq notmuch-tree-result-format
            `(("date" . "%12s  ")
              ("authors" . "%-35s")
              (jao-notmuch-msg-ticks . ,jao-mails-regexp)
              (jao-notmuch-tree-and-subject . "%>-102s")
              (jao-notmuch-format-tags . "  (%s)"))
            notmuch-unthreaded-result-format notmuch-search-result-format
            consult-notmuch-result-format
            `((jao-notmuch-msg-ticks . ,jao-mails-regexp)
              ("date" . "%12s  ")
              ("authors" . "%-35s")
              ("subject" . " %-100s")
              (jao-notmuch-format-tags . "  (%s)"))
            notmuch-tree-thread-symbols
            '((prefix . "─") (top . "─") (top-tee . "┬")
              (vertical . "│") (vertical-tee . "├") (bottom . "╰")
              (arrow . "")))

      :config

      (let ((fg (face-attribute 'jao-themes-dimm :foreground)))
        (dolist (f '(notmuch-tree-match-tree-face
                     notmuch-tree-no-match-tree-face))
          (set-face-attribute f nil :family "Source Code Pro" :foreground fg)))

      (jao-notmuch-tree-setup "T")

      :bind (:map notmuch-tree-mode-map
                  (("b" . jao-notmuch-browse-urls)
                   ("d" . jao-notmuch-tree-toggle-delete)
                   ("D" . jao-notmuch-tree-toggle-delete-thread)
                   ("h" . jao-notmuch-goto-message-buffer)
                   ("H" . jao-notmuch-click-message-buffer)
                   ("i" . jao-notmuch-toggle-images)
                   ("K" . jao-notmuch-tag-jump-and-next)
                   ("k" . jao-notmuch-tree-read-thread)
                   ("n" . jao-notmuch-tree-next)
                   ("N" . jao-notmuch-tree--forward)
                   ("O" . notmuch-tree-toggle-order)
                   ("o" . jao-notmuch-tree-widen-search)
                   ("p" . jao-notmuch-tree-previous)
                   ("P" . jao-notmuch-tree--backward)
                   ("r" . notmuch-tree-reply)
                   ("R" . notmuch-tree-reply-sender)
                   ("s" . jao-notmuch-tree-toggle-spam)
                   ("u" . jao-notmuch-tree-toggle-flag)
                   ("v" . notmuch-tree-scroll-message-window)
                   ("V" . notmuch-tree-scroll-message-window-back)
                   ("x" . jao-notmuch-arXiv-capture)
                   ("<" . jao-notmuch-tree-beginning-of-buffer)
                   (">" . jao-notmuch-tree-end-of-buffer)
                   ("\\" . notmuch-tree-view-raw-message)
                   ("." . jao-notmuch-toggle-mime-parts)
                   ("=" . jao-notmuch-tree-toggle-message)
                   ("RET" . jao-notmuch-tree-show-or-scroll)
                   ("SPC" . jao-notmuch-tree-scroll-or-next)
                   ("M-g" . jao-notmuch-browse-url)
                   ("M-u" . jao-notmuch-tree-reset-tags))))
  #+end_src
* org mode
  Stolen and adapted from [[https://gist.github.com/fedxa/fac592424473f1b70ea489cc64e08911][Fedor Bezrukov]].
    #+begin_src emacs-lisp
      (defvar jao-org-notmuch-last-subject nil)
      (defun jao-org-notmuch-last-subject () jao-org-notmuch-last-subject)

      (defun jao-notmuch--add-tags (tags)
        (if (derived-mode-p 'notmuch-show-mode)
            (notmuch-show-add-tag tags)
          (notmuch-tree-add-tag tags)))

      (defun org-notmuch-store-link ()
        "Store a link to a notmuch mail message."
        (cl-case major-mode
          ((notmuch-show-mode notmuch-tree-mode)
           ;; Store link to the current message
           (let* ((id (notmuch-show-get-message-id))
                  (link (concat "notmuch:" id))
                  (subj (notmuch-show-get-subject))
                  (description (format "Mail: %s" subj)))
             (setq jao-org-notmuch-last-subject subj)
             (when (y-or-n-p "Archive message? ")
               (jao-notmuch--add-tags '("+trove")))
             (when (y-or-n-p "Flag message as todo? ")
               (jao-notmuch--add-tags '("+flagged")))
             (org-store-link-props
	      :type "notmuch"
	      :link link
	      :description description)))
          (notmuch-search-mode
           ;; Store link to the thread on the current line
           (let* ((id (notmuch-search-find-thread-id))
                  (link (concat "notmuch:" id))
                  (subj (notmuch-search-find-subject))
                  (description (format "Mail: %s" subj)))
             (setq jao-org-notmuch-last-subject subj)
             (org-store-link-props
              :type "notmuch"
              :link link
              :description description)))))

      (with-eval-after-load "org"
        (org-link-set-parameters "notmuch"
                                 :follow 'notmuch-show
                                 :store 'org-notmuch-store-link))
    #+end_src
* arXiv
    #+begin_src emacs-lisp
      (use-package org-capture
        :config
        (add-to-list 'org-capture-templates
                     '("X" "arXiv" entry (file "notes/physics/arxiv.org")
                       "* %(jao-org-notmuch-last-subject)\n %i"
                       :immediate-finish t)
                     t)
        (org-capture-upgrade-templates org-capture-templates))

      (defun jao-notmuch-arXiv-capture ()
        (interactive)
        (save-window-excursion
          (jao-notmuch-goto-message-buffer)
          (save-excursion
            (goto-char (point-min))
            (re-search-forward "\\[ text/html \\]")
            (forward-paragraph)
            (setq-local transient-mark-mode 'lambda)
            (set-mark (point))
            (goto-char (point-max))
            (org-capture nil "X"))))

    #+end_src
* html render
  #+begin_src emacs-lisp
    (when jao-notmuch-enabled (setq mm-text-html-renderer 'shr))
  #+end_src
* consult
  #+begin_src emacs-lisp
    (jao-load-path "consult-notmuch")
    (require 'consult-notmuch)
    (consult-customize consult-notmuch :preview-key 'any)

    (defvar jao-consult-notmuch-history nil)

    (defvar jao-mailbox-folders '("bigml" "jao"))

    (defun jao-consult-notmuch-folder (&optional tree folder)
      (interactive "P")
      (let ((folder (if folder
                        (file-name-as-directory folder)
                      (completing-read "Group: "
                                       jao-mailbox-folders
                                       nil nil nil
                                       jao-consult-notmuch-history
                                       ".")))
             (folder (replace-regexp-in-string "/\\(.\\)" ".\\1" folder))
             (init (read-string "Initial query: "))
             (init (format "folder:/%s/ %s" folder init)))
        (if tree (consult-notmuch-tree init) (consult-notmuch init))))

    (with-eval-after-load "notmuch-hello"
      (define-key notmuch-hello-mode-map "f" #'jao-consult-notmuch-folder))
  #+end_src
* link hint
  #+begin_src emacs-lisp
    (with-eval-after-load "link-hint"
      (defun jao-link-hint--notmuch-next-part (&optional bound)
        (when-let (p (next-single-property-change (point) :notmuch-part nil bound))
          (and (< p (or bound (point-max))) p)))

      (defun jao-link-hint--notmuch-part-p ()
        (and (get-text-property (point) :notmuch-part)
             (when-let (b (button-at (point))) (button-label b))))

      (link-hint-define-type 'notmuch-part
        :next #'jao-link-hint--notmuch-next-part
        :at-point-p #'jao-link-hint--notmuch-part-p
        :vars '(notmuch-show-mode)
        :open #'push-button
        :open-message "Toggled"
        :open-multiple t)

      (push 'link-hint-notmuch-part link-hint-types))

  #+end_src