From 23a6abef8c26704cce184477d2503b3f61148d68 Mon Sep 17 00:00:00 2001
From: Kyle Meyer <kyle@kyleam.com>
Date: Tue, 28 Mar 2017 23:51:51 -0400
Subject: Add notmuch-show-at-point command

---
 init.el         |  6 ++++--
 lisp/km-mail.el | 15 +++++++++++++++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/init.el b/init.el
index 4b4f8e3..7f9b101 100644
--- a/init.el
+++ b/init.el
@@ -2090,6 +2090,8 @@
 (use-package km-mail
   :defer t
   :after notmuch
+  :init
+  (define-key km/mail-map "." #'km/notmuch-show-at-point)
   :config
   (define-key notmuch-search-mode-map "R" #'km/notmuch-archive-all)
   (define-key notmuch-show-part-map "|"
@@ -2280,9 +2282,9 @@
   (let ((server (daemonp)))
     (cond
      ((string= server "default")
-      ;; Remove all mail map bindings except notmuch.
-      (global-set-key (kbd "C-x m") nil)
+      ;; Remove all mail map bindings except notmuch-related ones.
       (global-set-key (kbd "C-x m n") #'notmuch)
+      (global-set-key (kbd "C-x m .") #'km/notmuch-show-at-point)
       (after 'km-python
         (add-hook 'kill-emacs-hook #'km/pydoc-save-names-file))
       (setq save-abbrevs 'silently
diff --git a/lisp/km-mail.el b/lisp/km-mail.el
index 345d2bb..b25934c 100644
--- a/lisp/km-mail.el
+++ b/lisp/km-mail.el
@@ -57,6 +57,21 @@
   (mark-whole-buffer)
   (call-interactively #'notmuch-search-archive-thread))
 
+;;;###autoload
+(defun km/notmuch-show-at-point ()
+  "Call `notmuch-show' with message or thread ID at point."
+  (interactive)
+  (let ((id (save-excursion
+              (skip-syntax-backward "^\\s-")
+              (and (looking-at
+                    (rx (group (zero-or-one (or "id:" "thread:")))
+                        (one-or-more (any "-" "_" "." "@" "/" alnum))))
+                   (concat (and (string= (match-string 1) "") "id:")
+                           (match-string-no-properties 0))))))
+    (if id
+        (notmuch-show id)
+      (call-interactively #'notmuch-show))))
+
 
 ;;; Mail sync
 
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