$ git clone -n https://gitee.com/wenjie2025/python-tornado_1770676587.git /var/lib/mock/dist-an23-build-512870-75099/root/chroot_tmpdir/scmroot/python-tornado_1770676587
Cloning into '/var/lib/mock/dist-an23-build-512870-75099/root/chroot_tmpdir/scmroot/python-tornado_1770676587'...
$ git fetch origin 3a709616c6b006c06e4fa53b818590cbb648783e:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/python-tornado_1770676587
 * [new ref]         3a709616c6b006c06e4fa53b818590cbb648783e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a70961 Update code from upstream