nnimap.el (nnimap-find-expired-articles): nnimap `never' expiration fix

[gnus] / lisp / nnimap.el

diff --git a/lisp/nnimap.el b/lisp/nnimap.el
index 205f92c..e619c0f 100644 (file)
--- a/lisp/nnimap.el
+++ b/lisp/nnimap.el
@@ -1021,20 +1021,20 @@ textual parts.")
 
 (defun nnimap-find-expired-articles (group)
   (let ((cutoff (nnmail-expired-article-p group nil nil)))
-    (with-current-buffer (nnimap-buffer)
-      (let ((result
-            (nnimap-command
-             "UID SEARCH SENTBEFORE %s"
-             (format-time-string
-              (format "%%d-%s-%%Y"
-                      (upcase
-                       (car (rassoc (nth 4 (decode-time cutoff))
-                                    parse-time-months))))
-              cutoff))))
-       (and (car result)
-            (delete 0 (mapcar #'string-to-number
-                              (cdr (assoc "SEARCH" (cdr result))))))))))
-
+    (when cutoff
+      (with-current-buffer (nnimap-buffer)
+       (let ((result
+              (nnimap-command
+               "UID SEARCH SENTBEFORE %s"
+               (format-time-string
+                (format "%%d-%s-%%Y"
+                        (upcase
+                         (car (rassoc (nth 4 (decode-time cutoff))
+                                      parse-time-months))))
+                cutoff))))
+         (and (car result)
+              (delete 0 (mapcar #'string-to-number
+                                (cdr (assoc "SEARCH" (cdr result)))))))))))
 
 (defun nnimap-find-article-by-message-id (group server message-id
                                                &optional limit)