$ git clone -n https://gitee.com/wency_cn/edk2.git /var/lib/mock/dist-an23-build-503596-74854/root/chroot_tmpdir/scmroot/edk2
Cloning into '/var/lib/mock/dist-an23-build-503596-74854/root/chroot_tmpdir/scmroot/edk2'...
$ git fetch origin fbe8df8d67c6173dd9060e6388825c4bdf429540:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/edk2
 * [new ref]         fbe8df8d67c6173dd9060e6388825c4bdf429540 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbe8df8 Update code from upstream