$ git clone -n https://src.fedoraproject.org/rpms/ddnet.git /var/lib/mock/f41-build-side-1-2646047-27211/root/chroot_tmpdir/scmroot/ddnet
Cloning into '/var/lib/mock/f41-build-side-1-2646047-27211/root/chroot_tmpdir/scmroot/ddnet'...
$ git fetch origin f67c3e382026401d27e9c522d327b891ee68d9af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ddnet
 * [new ref]         f67c3e382026401d27e9c522d327b891ee68d9af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f67c3e3 Update to 18.5 upstream release