$ git clone -n https://gitee.com/wenjie2025/python-tornado.git /var/lib/mock/dist-an23-build-506771-74878/root/chroot_tmpdir/scmroot/python-tornado
Cloning into '/var/lib/mock/dist-an23-build-506771-74878/root/chroot_tmpdir/scmroot/python-tornado'...
$ git fetch origin f0e95106baf7307281e51e64cf28cd4ab2c50cad:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/python-tornado
 * [new ref]         f0e95106baf7307281e51e64cf28cd4ab2c50cad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0e9510 Update code from upstream