$ git clone -n https://gitee.com/wenjie2025/python-tornado.git /var/lib/mock/dist-an23-build-508645-75015/root/chroot_tmpdir/scmroot/python-tornado
Cloning into '/var/lib/mock/dist-an23-build-508645-75015/root/chroot_tmpdir/scmroot/python-tornado'...
$ git fetch origin 3a9501b61743c946dde9fe222955b49fc5a59faf:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/python-tornado
 * [new ref]         3a9501b61743c946dde9fe222955b49fc5a59faf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a9501b Update code from upstream