$ git clone -n https://src.fedoraproject.org/rpms/kf6-kpeople.git /var/lib/mock/f42-build-863274-171569/root/chroot_tmpdir/scmroot/kf6-kpeople
Cloning into '/var/lib/mock/f42-build-863274-171569/root/chroot_tmpdir/scmroot/kf6-kpeople'...
$ git fetch origin b739d9dfa6605e54bea19228e491fc9df9bac92e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kpeople
 * [new ref]         b739d9dfa6605e54bea19228e491fc9df9bac92e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b739d9d Frameworks 6.9