$ git clone -n https://gitee.com/wency_cn/python-blivet.git /var/lib/mock/dist-an23-build-491140-74530/root/chroot_tmpdir/scmroot/python-blivet
Cloning into '/var/lib/mock/dist-an23-build-491140-74530/root/chroot_tmpdir/scmroot/python-blivet'...
$ git fetch origin ff746c30abd5bb5f28d23f2aaceb5f73cd9d59ff:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-blivet
 * [new ref]         ff746c30abd5bb5f28d23f2aaceb5f73cd9d59ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff746c3 Update code from upstream