-my $cfg = {
- "$cfgpfx.address" => $ibx->{-primary_address},
- "$cfgpfx.mainrepo" => $mainrepo,
-};
-my $config = PublicInbox::Config->new($cfg);
+my $cfg = <<EOF;
+$cfgpfx.address=$ibx->{-primary_address}
+$cfgpfx.inboxdir=$inboxdir
+EOF
+my $config = PublicInbox::Config->new(\$cfg);