$ git clone -n https://gitee.com/fundawang/python-tornado.git /var/lib/mock/dist-an23-build-273287-64184/root/chroot_tmpdir/scmroot/python-tornado
Cloning into '/var/lib/mock/dist-an23-build-273287-64184/root/chroot_tmpdir/scmroot/python-tornado'...
$ git fetch origin 2019944a03059e45aac356ad946e60fb263a2ec9:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/python-tornado
 * [new ref]         2019944a03059e45aac356ad946e60fb263a2ec9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2019944 6.3.2