$ git clone -n https://gitee.com/wency_cn/edk2_1770974971.git /var/lib/mock/dist-an23-build-514553-75110/root/chroot_tmpdir/scmroot/edk2_1770974971
Cloning into '/var/lib/mock/dist-an23-build-514553-75110/root/chroot_tmpdir/scmroot/edk2_1770974971'...
$ git fetch origin 7b02d286a54ae89d0bc7d791e42129ac2273b179:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/edk2_1770974971
 * [new ref]         7b02d286a54ae89d0bc7d791e42129ac2273b179 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b02d28 Update code from upstream