[PATCH] watchmaildir: show $@ in warning message

[Eric Wong]

It should be helpful to know what error happened.
---
 lib/PublicInbox/WatchMaildir.pm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/PublicInbox/WatchMaildir.pm b/lib/PublicInbox/WatchMaildir.pm
index 1823c24..f6835a7 100644
--- a/lib/PublicInbox/WatchMaildir.pm
+++ b/lib/PublicInbox/WatchMaildir.pm
@@ -110,7 +110,10 @@ sub _remove_spam {
                                $im->remove($scrubbed);
                        }
                };
-               warn "error removing spam at $path from $ibx->{name}\n" if $@;
+               if ($@) {
+                       warn "error removing spam at: ", $path,
+                               " from ", $ibx->{name}, ': ', $@, "\n";
+               }
        })
 }
 
-- 
EW