my $new_dir = shift(@ARGV) or die $usage;
die "$new_dir exists\n" if -d $new_dir;
die "$old_dir not a directory\n" unless -d $old_dir;
-my $config = eval { PublicInbox::Config->new };
+my $config = PublicInbox::Config->new;
$old_dir = abs_path($old_dir);
my $old;
if ($config) {