$ git clone -n https://src.fedoraproject.org/rpms/kitinerary.git /var/lib/mock/f41-build-858716-168470/root/chroot_tmpdir/scmroot/kitinerary
Cloning into '/var/lib/mock/f41-build-858716-168470/root/chroot_tmpdir/scmroot/kitinerary'...
$ git fetch origin 7bd4885490c1844380c75c404299b9d7c21cc188:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kitinerary
 * [new ref]         7bd4885490c1844380c75c404299b9d7c21cc188 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7bd4885 Merge branch 'rawhide' into f41