$ git clone -n https://src.fedoraproject.org/rpms/openni-primesense.git /var/lib/mock/f40-build-790706-136817/root/chroot_tmpdir/scmroot/openni-primesense
Cloning into '/var/lib/mock/f40-build-790706-136817/root/chroot_tmpdir/scmroot/openni-primesense'...
$ git fetch origin a494a461470498854cb0a3d974e877b9c0992642:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openni-primesense
 * [new ref]         a494a461470498854cb0a3d974e877b9c0992642 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a494a46 Disable i686 build due to missing upstream openni-devel