$ git clone -n https://gitee.com/wency_cn/edk2_1770759839.git /var/lib/mock/dist-an23-build-513320-75099/root/chroot_tmpdir/scmroot/edk2_1770759839
Cloning into '/var/lib/mock/dist-an23-build-513320-75099/root/chroot_tmpdir/scmroot/edk2_1770759839'...
$ git fetch origin 4204c6f6eaf1e8caedf700f87659f7080c433f0a:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/edk2_1770759839
 * [new ref]         4204c6f6eaf1e8caedf700f87659f7080c433f0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4204c6f Update code from upstream