$ git clone -n https://gitee.com/wency_cn/python-blivet_1770961692.git /var/lib/mock/dist-an23-build-514441-75110/root/chroot_tmpdir/scmroot/python-blivet_1770961692
Cloning into '/var/lib/mock/dist-an23-build-514441-75110/root/chroot_tmpdir/scmroot/python-blivet_1770961692'...
$ git fetch origin 315262dc99b29bb130670e4d697911374323da9a:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-blivet_1770961692
 * [new ref]         315262dc99b29bb130670e4d697911374323da9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 315262d Update code from upstream