watchmaildir: show $@ in warning message

It should be helpful to know what error happened.

diff --git a/lib/PublicInbox/WatchMaildir.pm b/lib/PublicInbox/WatchMaildir.pm
index 985f9192078f3497de62e6da5691f706579ef90a..c436742cfa6244a191ea62503ac6771cb2a57edb 100644 (file)
--- a/lib/PublicInbox/WatchMaildir.pm
+++ b/lib/PublicInbox/WatchMaildir.pm
@@ -111,7 +111,10 @@ sub _remove_spam {
                                $im->remove($scrubbed);
                        }
                };
                                $im->remove($scrubbed);
                        }
                };

-               warn "error removing spam at $path from $ibx->{name}\n" if $@;
+               if ($@) {
+                       warn "error removing spam at: ", $path,
+                               " from ", $ibx->{name}, ': ', $@, "\n";
+               }

        })
 }
 
        })
 }