-if ($version >= 2) {
- require PublicInbox::V2Writable;
- PublicInbox::V2Writable->new($ibx, 1)->init_inbox(0, $skip);
-} elsif ($version == 1) {
- require PublicInbox::V1Writable;
- PublicInbox::V1Writable->new($ibx, 1)->init_inbox(0, $skip);
-} else {
- die "Unsupported -V/--version: $version\n";
-}
+my $creat_opt = {};
+PublicInbox::InboxWritable->new($ibx, $creat_opt)->init_inbox(0, $skip);
+
+# needed for git prior to v2.1.0
+umask(0077) if defined $perm;