$ git clone -n https://src.fedoraproject.org/rpms/kbackup.git /var/lib/mock/f40-build-802837-144115/root/chroot_tmpdir/scmroot/kbackup
Cloning into '/var/lib/mock/f40-build-802837-144115/root/chroot_tmpdir/scmroot/kbackup'...
$ git fetch origin d1527b7afd02bebd77626f76e4675225288b16a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kbackup
 * [new ref]         d1527b7afd02bebd77626f76e4675225288b16a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1527b7 24.02.1