$ git clone -n https://src.fedoraproject.org/rpms/dnsdist.git /var/lib/mock/f40-build-763411-122479/root/chroot_tmpdir/scmroot/dnsdist
Cloning into '/var/lib/mock/f40-build-763411-122479/root/chroot_tmpdir/scmroot/dnsdist'...
$ git fetch origin c07a49edcc2eef6b54e78d56503e467676dc391c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dnsdist
 * [new ref]         c07a49edcc2eef6b54e78d56503e467676dc391c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c07a49e Update to 1.8.3