$ git clone -n https://src.fedoraproject.org/rpms/kf5-kxmlrpcclient.git /var/lib/mock/f40-build-2118815-50729/root/chroot_tmpdir/scmroot/kf5-kxmlrpcclient
Cloning into '/var/lib/mock/f40-build-2118815-50729/root/chroot_tmpdir/scmroot/kf5-kxmlrpcclient'...
$ git fetch origin 5981be20311caf116a10fdc7436fa2d5cbc417f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kxmlrpcclient
 * [new ref]         5981be20311caf116a10fdc7436fa2d5cbc417f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5981be2 5.113.0