$ git clone -n https://src.fedoraproject.org/rpms/kf6-kservice.git /var/lib/mock/f42-build-862020-170551/root/chroot_tmpdir/scmroot/kf6-kservice
Cloning into '/var/lib/mock/f42-build-862020-170551/root/chroot_tmpdir/scmroot/kf6-kservice'...
$ git fetch origin fdae583b469134a49de431999e9f120786c00eda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kservice
 * [new ref]         fdae583b469134a49de431999e9f120786c00eda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdae583 6.8.0