emacs: don't use deprecated "notmuch search-tags" command

A followup patch will finally remove this command, so we need to stop
using it.

diff --git a/emacs/notmuch-hello.el b/emacs/notmuch-hello.el
index 6db62a01c46b09e7851c9259552c13d7a7574c6b..00b78e1ed265a74d52aaf78d7479934f55a65cfb 100644 (file)
--- a/emacs/notmuch-hello.el
+++ b/emacs/notmuch-hello.el
@@ -504,7 +504,7 @@ Complete list of currently available key bindings:
          (notmuch-remove-if-not
           (lambda (tag)
             (not (member tag hide-tags)))
-          (process-lines notmuch-command "search-tags"))))
+          (process-lines notmuch-command "search" "--output=tags" "*"))))
 
 (defun notmuch-hello-insert-header ()
   "Insert the default notmuch-hello header."