$ git clone -n https://src.fedoraproject.org/rpms/kf6-baloo.git /var/lib/mock/f42-build-3340385-44984/root/chroot_tmpdir/scmroot/kf6-baloo
Cloning into '/var/lib/mock/f42-build-3340385-44984/root/chroot_tmpdir/scmroot/kf6-baloo'...
$ git fetch origin 8250fedb98fc3581c4063788869c388c0da3bab7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-baloo
 * [new ref]         8250fedb98fc3581c4063788869c388c0da3bab7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8250fed 6.12.0