$ git clone -n https://gitee.com/jiangxin00/edk2.git /var/lib/mock/dist-an23-build-300469-65953/root/chroot_tmpdir/scmroot/edk2
Cloning into '/var/lib/mock/dist-an23-build-300469-65953/root/chroot_tmpdir/scmroot/edk2'...
$ git fetch origin 83f3dd6cba0400b2b0421c1ed1224dea3874b08f:KOJI_FETCH_HEAD
From https://gitee.com/jiangxin00/edk2
 * [new ref]         83f3dd6cba0400b2b0421c1ed1224dea3874b08f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83f3dd6 OvmfPkg/UefiCpuPkg: Support Hygon CSV3 feature