$ git clone -n https://src.fedoraproject.org/rpms/dnsx.git /var/lib/mock/f38-build-side-42-init-devel-954636-28786/root/chroot_tmpdir/scmroot/dnsx
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-954636-28786/root/chroot_tmpdir/scmroot/dnsx'...
$ git fetch origin 539edc6eaaa4ee932ef2edec59ff86b83922c969:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dnsx
 * [new ref]         539edc6eaaa4ee932ef2edec59ff86b83922c969 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 539edc6 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild