$ git clone -n https://gitee.com/zhonglingh/python-oss2.git /var/lib/mock/dist-an23-epao-build-302193-65983/root/chroot_tmpdir/scmroot/python-oss2
Cloning into '/var/lib/mock/dist-an23-epao-build-302193-65983/root/chroot_tmpdir/scmroot/python-oss2'...
$ git fetch origin 451b8e3ecd063bec3dc18e75ede02624af701317:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/python-oss2
 * [new ref]         451b8e3ecd063bec3dc18e75ede02624af701317 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 451b8e3 init package from upstream