https://nobwak.github.io/posts/2014-08-09-freebsdpkgng%E3%83%A1%E3%83%A2_pkg%E3%82%921.2%E3%81%8B%E3%82%891.3%E3%81%AB%E4%B8%8A%E3%81%92%E3%81%9F%E3%82%89need_to_re-create_repo_freebsd_to_upgrade_schema_version/