$ git clone -n https://gitee.com/opencloudos-stream/boost.git /var/lib/mock/dist-ocs23-riscv-rva23-build-359179-41969/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/dist-ocs23-riscv-rva23-build-359179-41969/root/chroot_tmpdir/scmroot/boost'...
$ git fetch origin rva23:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/boost
 * [new branch]      rva23      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6eb39e9 riscv Update to 1.83.0