$ git clone -n https://gitee.com/opencloudos-stream/gdb.git /var/lib/mock/dist-ocs23-riscv-rva23-build-351990-39103/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/dist-ocs23-riscv-rva23-build-351990-39103/root/chroot_tmpdir/scmroot/gdb'...
$ git fetch origin rva23:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/gdb
 * [new branch]      rva23      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6703dd4 Update to 14.1 match riscv toolchain baseline