$ git clone -n https://gitee.com/opencloudos-stream/openblas.git /var/lib/mock/dist-ocs23-loongarch64-build-143858-9765/root/chroot_tmpdir/scmroot/openblas
Cloning into '/var/lib/mock/dist-ocs23-loongarch64-build-143858-9765/root/chroot_tmpdir/scmroot/openblas'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/openblas
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0b92de !2 添加loongarch64支持 Merge pull request !2 from streamlet_hy/master