$ git clone -n https://src.fedoraproject.org/rpms/python-lunr.git /var/lib/mock/f40-build-2227188-53005/root/chroot_tmpdir/scmroot/python-lunr
Cloning into '/var/lib/mock/f40-build-2227188-53005/root/chroot_tmpdir/scmroot/python-lunr'...
$ git fetch origin 2d09e36b5d3a2dd4fef8fcc7e2dc53d6f21b3f80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-lunr
 * [new ref]         2d09e36b5d3a2dd4fef8fcc7e2dc53d6f21b3f80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d09e36 Update to 0.7.0.post1