$ git clone -n https://gitee.com/opencloudos-stream/edk2.git /var/lib/mock/dist-ocs23-riscv-rva23-build-363526-44254/root/chroot_tmpdir/scmroot/edk2
Cloning into '/var/lib/mock/dist-ocs23-riscv-rva23-build-363526-44254/root/chroot_tmpdir/scmroot/edk2'...
$ git fetch origin rva23:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/edk2
 * [new branch]      rva23      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08674ae Add edk2-riscv64 firmware subpackage for RISC-V virt