[PATCH] contrib: pick: bugfix when trying to show a non-message

[Mark Walters]

If the user pressed return on the end result status line it gave a
blank message. Modify the function notmuch-pick-get-message-id to
return nil rather than an empty message-id in this case to fix this.
---
 contrib/notmuch-pick/notmuch-pick.el |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/contrib/notmuch-pick/notmuch-pick.el b/contrib/notmuch-pick/notmuch-pick.el
index 15ac5e8..1886469 100644
--- a/contrib/notmuch-pick/notmuch-pick.el
+++ b/contrib/notmuch-pick/notmuch-pick.el
@@ -241,7 +241,9 @@ Some useful entries are:
 
 (defun notmuch-pick-get-message-id ()
   "Return the message id of the current message."
-  (concat "id:\"" (notmuch-pick-get-prop :id) "\""))
+  (let ((id (notmuch-pick-get-prop :id)))
+    (when id
+      (concat "id:\"" id "\""))))
 
 (defun notmuch-pick-get-match ()
   "Return whether the current message is a match."
-- 
1.7.9.1