$ git clone -n https://gitee.com/fundawang/python-tornado.git /var/lib/mock/dist-an23-build-273293-64184/root/chroot_tmpdir/scmroot/python-tornado
Cloning into '/var/lib/mock/dist-an23-build-273293-64184/root/chroot_tmpdir/scmroot/python-tornado'...
$ git fetch origin 3fc4a5fc9486703dd9bc8c4339906d0416069581:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/python-tornado
 * [new ref]         3fc4a5fc9486703dd9bc8c4339906d0416069581 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fc4a5f 6.3.2