$ git clone -n https://src.fedoraproject.org/rpms/krdp.git /var/lib/mock/f41-build-857084-167881/root/chroot_tmpdir/scmroot/krdp
Cloning into '/var/lib/mock/f41-build-857084-167881/root/chroot_tmpdir/scmroot/krdp'...
$ git fetch origin eec3e115ffeaaff75ed1bf41427a89eabeb9fb58:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/krdp
 * [new ref]         eec3e115ffeaaff75ed1bf41427a89eabeb9fb58 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eec3e11 6.2.1