chore(emacs): Move emacs config to tools/emacs

1 files changed, 98 insertions, 0 deletions

diff --git a/tools/emacs/init/mail-setup.el b/tools/emacs/init/mail-setup.el
new file mode 100644
index 000000000000..1700ccddd37d
--- /dev/null
+++ b/tools/emacs/init/mail-setup.el
@@ -0,0 +1,98 @@
+(require 'notmuch)
+(require 'counsel-notmuch)
+
+(global-set-key (kbd "C-c m") 'notmuch-hello)
+(global-set-key (kbd "C-c C-m") 'counsel-notmuch)
+(global-set-key (kbd "C-c C-e n") 'notmuch-mua-new-mail)
+
+(setq notmuch-cache-dir (format "%s/.cache/notmuch" (getenv "HOME")))
+(make-directory notmuch-cache-dir t)
+
+;; Cache addresses for completion:
+(setq notmuch-address-save-filename (concat notmuch-cache-dir "/addresses"))
+
+;; Don't spam my home folder with drafts:
+(setq notmuch-draft-folder "drafts") ;; relative to notmuch database
+
+;; Mark things as read when archiving them:
+(setq notmuch-archive-tags '("-inbox" "-unread" "+archive"))
+
+;; Show me saved searches that I care about:
+(setq notmuch-saved-searches
+      '((:name "inbox" :query "tag:inbox" :count-query "tag:inbox AND tag:unread" :key "i")
+        (:name "aprila-dev" :query "tag:aprila-dev" :count-query "tag:aprila-dev AND tag:unread" :key "d")
+        (:name "gitlab" :query "tag:gitlab" :key "g")
+        (:name "sent" :query "tag:sent" :key "t")
+        (:name "drafts" :query "tag:draft")))
+(setq notmuch-show-empty-saved-searches t)
+
+;; Mail sending configuration
+(setq send-mail-function 'sendmail-send-it) ;; sendmail provided by MSMTP
+(setq notmuch-always-prompt-for-sender t)
+(setq notmuch-mua-user-agent-function
+      (lambda () (format "Emacs %s; notmuch.el %s" emacs-version notmuch-emacs-version)))
+(setq mail-host-address (system-name))
+(setq notmuch-mua-cite-function #'message-cite-original-without-signature)
+
+;; Close mail buffers after sending mail
+(setq message-kill-buffer-on-exit t)
+
+;; Ensure sender is correctly passed to msmtp
+(setq mail-specify-envelope-from t
+      message-sendmail-envelope-from 'header
+      mail-envelope-from 'header)
+
+;; Store sent mail in the correct folder per account
+(setq notmuch-maildir-use-notmuch-insert nil)
+(setq notmuch-fcc-dirs '(("mail@tazj.in" . "tazjin/Sent")
+                         ;; Not a mistake, Office365 apparently
+                         ;; renames IMAP folders (!) to your local
+                         ;; language instead of providing translations
+                         ;; in the UI m(
+                         ("vincent@aprila.no" . "aprila/Sende element")))
+
+;; I don't use drafts but I instinctively hit C-x C-s constantly, lets
+;; handle that gracefully.
+(define-key notmuch-message-mode-map (kbd "C-x C-s") #'ignore)
+
+;; MSMTP decrypts passwords using pass, but pinentry doesn't work
+;; correctly in that setup. This forces a warmup of the GPG agent
+;; before sending the message.
+;;
+;; Note that the sending function is advised because the provided hook
+;; for this seems to run at the wrong time.
+(advice-add 'notmuch-mua-send-common :before 'warmup-gpg-agent)
+
+;; Define a telephone-line segment for displaying the count of unread,
+;; important mails in the last window's mode-line:
+(defvar *last-notmuch-count-redraw* 0)
+(defvar *current-notmuch-count* nil)
+
+(defun update-display-notmuch-counts ()
+  "Update and render the current state of the notmuch unread
+  count for display in the mode-line.
+
+  The offlineimap-timer runs every 2 minutes, so it does not make
+  sense to refresh this much more often than that."
+
+  (when (> (- (float-time) *last-notmuch-count-redraw*) 30)
+    (setq *last-notmuch-count-redraw* (float-time))
+    (let* ((inbox-unread (notmuch-saved-search-count "tag:inbox and tag:unread"))
+           (devel-unread (notmuch-saved-search-count "tag:aprila-dev and tag:unread"))
+           (notmuch-count (format "I: %s; D: %s" inbox-unread devel-unread)))
+      (setq *current-notmuch-count* notmuch-count)))
+
+  (when (and (bottom-right-window-p)
+             ;; Only render if the initial update is done and there
+             ;; are unread mails:
+             *current-notmuch-count*
+             (not (equal *current-notmuch-count* "I: 0; D: 0")))
+    *current-notmuch-count*))
+
+(telephone-line-defsegment telephone-line-notmuch-counts ()
+  "This segment displays the count of unread notmuch messages in
+  the last window's mode-line (if unread messages are present)."
+
+  (update-display-notmuch-counts))
+
+(provide 'mail-setup)