Make moving IMAP articles faster in large groups

[gnus] / lisp / gnus-group.el

diff --git a/lisp/gnus-group.el b/lisp/gnus-group.el
index dc11442..e22138b 100644 (file)
--- a/lisp/gnus-group.el
+++ b/lisp/gnus-group.el
@@ -4075,7 +4075,9 @@ If DONT-SCAN is non-nil, scan non-activated groups as well."
       (gnus-group-remove-mark group)
       ;; Bypass any previous denials from the server.
       (gnus-remove-denial (setq method (gnus-find-method-for-group group)))
-      (if (gnus-activate-group group (if dont-scan nil 'scan) nil method)
+      (if (or (and (not dont-scan)
+                  (gnus-request-group-scan group (gnus-get-info group)))
+             (gnus-activate-group group (if dont-scan nil 'scan) nil method))
          (let ((info (gnus-get-info group))
                (active (gnus-active group)))
            (when info