$ git clone -n https://src.fedoraproject.org/rpms/biniax.git /var/lib/mock/f41-build-762802-13458/root/chroot_tmpdir/scmroot/biniax
Cloning into '/var/lib/mock/f41-build-762802-13458/root/chroot_tmpdir/scmroot/biniax'...
$ git fetch origin c8919f7f7a0eb8c6ba48e072d900af6f155988cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/biniax
 * [new ref]         c8919f7f7a0eb8c6ba48e072d900af6f155988cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8919f7 Eliminate use of obsolete %patchN syntax (#2283636)