$ git clone -n https://src.fedoraproject.org/rpms/ddnet.git /var/lib/mock/f41-build-side-1-2817223-32985/root/chroot_tmpdir/scmroot/ddnet
Cloning into '/var/lib/mock/f41-build-side-1-2817223-32985/root/chroot_tmpdir/scmroot/ddnet'...
$ git fetch origin 433a906723932326256914fbd6644eb57877be2e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ddnet
 * [new ref]         433a906723932326256914fbd6644eb57877be2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 433a906 Update to 18.5.1 upstream release