$ git clone -n https://gitee.com/opencloudos-stream/binutils.git /var/lib/mock/dist-ocs23-riscv-rva23-build-334439-36997/root/chroot_tmpdir/scmroot/binutils
Cloning into '/var/lib/mock/dist-ocs23-riscv-rva23-build-334439-36997/root/chroot_tmpdir/scmroot/binutils'...
$ git fetch origin rva23:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/binutils
 * [new branch]      rva23      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d169f52 add riscv rva23 extension support