$ git clone -n https://gitee.com/src-opencloudos-rpms/python-tornado.git /var/lib/mock/dist-oc9-build-240597-82722/root/chroot_tmpdir/scmroot/python-tornado
Cloning into '/var/lib/mock/dist-oc9-build-240597-82722/root/chroot_tmpdir/scmroot/python-tornado'...
$ git fetch origin a7eb9acfb1d7ed733ae6795d18d836b6f485c811:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-tornado
 * [new ref]         a7eb9acfb1d7ed733ae6795d18d836b6f485c811 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7eb9ac import python-tornado-6.3.3-9.tl4