$ git clone -n https://src.fedoraproject.org/rpms/openvdb.git /var/lib/mock/f41-build-1022718-18093/root/chroot_tmpdir/scmroot/openvdb
Cloning into '/var/lib/mock/f41-build-1022718-18093/root/chroot_tmpdir/scmroot/openvdb'...
$ git fetch origin 75c28b0207938e0b1f16dd1f7caa047a4866c787:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openvdb
 * [new ref]         75c28b0207938e0b1f16dd1f7caa047a4866c787 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75c28b0 Rebuilt for Python 3.13