+ (let ((buf (get-buffer-create (concat "*notmuch-pipe*"))))
+ (with-current-buffer buf
+ (setq buffer-read-only nil)
+ (erase-buffer)
+ (let ((exit-code (call-process-shell-command shell-command nil buf)))
+ (goto-char (point-max))
+ (set-buffer-modified-p nil)
+ (setq buffer-read-only t)
+ (unless (zerop exit-code)
+ (switch-to-buffer-other-window buf)
+ (message (format "Command '%s' exited abnormally with code %d"
+ shell-command exit-code))))))))