$ git clone -n https://gitee.com/opencloudos-stream/compiler-rt.git /var/lib/mock/dist-ocs23-riscv-rva23-build-362240-43486/root/chroot_tmpdir/scmroot/compiler-rt
Cloning into '/var/lib/mock/dist-ocs23-riscv-rva23-build-362240-43486/root/chroot_tmpdir/scmroot/compiler-rt'...
$ git fetch origin rva23:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/compiler-rt
 * [new branch]      rva23      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a26e8e Update to 20.1.8