$ git clone -n https://src.fedoraproject.org/rpms/kf6-kservice.git /var/lib/mock/f40-build-774906-127918/root/chroot_tmpdir/scmroot/kf6-kservice
Cloning into '/var/lib/mock/f40-build-774906-127918/root/chroot_tmpdir/scmroot/kf6-kservice'...
$ git fetch origin 0fa75836e0a8beb13bac582f4692de2744b953e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kservice
 * [new ref]         0fa75836e0a8beb13bac582f4692de2744b953e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0fa7583 5.248.0