$ git clone -n https://src.fedoraproject.org/rpms/ddclient.git /var/lib/mock/f39-build-2331942-59124/root/chroot_tmpdir/scmroot/ddclient
Cloning into '/var/lib/mock/f39-build-2331942-59124/root/chroot_tmpdir/scmroot/ddclient'...
$ git fetch origin 62a8823bfb85df9dabadbb6ea0b20c498ebffec1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ddclient
 * [new ref]         62a8823bfb85df9dabadbb6ea0b20c498ebffec1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62a8823 Update to new upstream release 3.11.2 (#2251294)