$ git clone -n https://src.fedoraproject.org/rpms/plasma-discover.git /var/lib/mock/f40-build-2682113-67963/root/chroot_tmpdir/scmroot/plasma-discover
Cloning into '/var/lib/mock/f40-build-2682113-67963/root/chroot_tmpdir/scmroot/plasma-discover'...
$ git fetch origin 22f15753b461f843932e2ed6907618d2069ec3e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-discover
 * [new ref]         22f15753b461f843932e2ed6907618d2069ec3e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22f1575 6.0.3