$ git clone -n https://gitee.com/wency_cn/python-pbr_1764808538.git /var/lib/mock/dist-an23-build-491660-74530/root/chroot_tmpdir/scmroot/python-pbr_1764808538
Cloning into '/var/lib/mock/dist-an23-build-491660-74530/root/chroot_tmpdir/scmroot/python-pbr_1764808538'...
$ git fetch origin f71475329f0f070fffe3f72e1aa1b37950d8aab9:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-pbr_1764808538
 * [new ref]         f71475329f0f070fffe3f72e1aa1b37950d8aab9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f714753 Update code from upstream