$ git clone -n https://gitee.com/opencloudos-stream/groff.git /var/lib/mock/dist-ocs23-riscv-rva23-build-360549-42512/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/dist-ocs23-riscv-rva23-build-360549-42512/root/chroot_tmpdir/scmroot/groff'...
$ git fetch origin rva23:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/groff
 * [new branch]      rva23      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3d0ac5 Add riscv64 support