$ git clone -n https://src.fedoraproject.org/rpms/kf6-kservice.git /var/lib/mock/f42-build-863308-171605/root/chroot_tmpdir/scmroot/kf6-kservice
Cloning into '/var/lib/mock/f42-build-863308-171605/root/chroot_tmpdir/scmroot/kf6-kservice'...
$ git fetch origin dd3685e9da2c8a017d08470982b9112547b5d22b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kservice
 * [new ref]         dd3685e9da2c8a017d08470982b9112547b5d22b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd3685e Frameworks 6.9