emacs: sanitize function that displays version

[notmuch] / emacs / notmuch-lib.el

diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index edb40533fa6ae9214b8a3723122f4315e9e31b6f..8ee3f17f61bf6115b9663b2a2f26385a2242858c 100644 (file)
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -147,6 +147,7 @@ For example, if you wanted to remove an \"inbox\" tag and add an
 (defvar notmuch-common-keymap
   (let ((map (make-sparse-keymap)))
     (define-key map "?" 'notmuch-help)
+    (define-key map "v" 'notmuch-version)
     (define-key map "q" 'notmuch-bury-or-kill-this-buffer)
     (define-key map "s" 'notmuch-search)
     (define-key map "t" 'notmuch-search-by-tag)
@@ -218,6 +219,21 @@ on the command line, and then retry your notmuch command")))
        (match-string 2 long-string)
       "unknown")))
 
+(defvar notmuch-emacs-version)
+
+(defun notmuch-version ()
+  "Display the notmuch version.
+The versions of the Emacs package and the `notmuch' executable
+should match, but if and only if they don't, then this command
+displays both values separately."
+  (interactive)
+  (let ((cli-version (notmuch-cli-version)))
+    (message "notmuch version %s"
+            (if (string= notmuch-emacs-version cli-version)
+                cli-version
+              (concat cli-version
+                      " (emacs mua version " notmuch-emacs-version ")")))))
+
 (defun notmuch-config-get (item)
   "Return a value from the notmuch configuration."
   (let* ((val (notmuch-command-to-string "config" "get" item))