GetOptions($opt, qw(verbose|v+ reindex compact|c+ jobs|j=i prune
indexlevel|L=s maxsize|max-size=s batchsize|batch-size=s))
or die "bad command-line args\n$usage";
-die "--jobs must be positive\n" if defined $opt->{jobs} && $opt->{jobs} <= 0;
+die "--jobs must be >= 0\n" if defined $opt->{jobs} && $opt->{jobs} < 0;
if ($opt->{compact}) {
require PublicInbox::Xapcmd;