$ git clone -n https://src.fedoraproject.org/rpms/vultr.git /var/lib/mock/f38-build-side-42-init-devel-662867-26637/root/chroot_tmpdir/scmroot/vultr
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-662867-26637/root/chroot_tmpdir/scmroot/vultr'...
$ git fetch origin f8bf0a503984a0500c54a28ddeb23abf6cfb2adf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vultr
 * [new ref]         f8bf0a503984a0500c54a28ddeb23abf6cfb2adf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8bf0a5 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild