$ git clone -n https://gitee.com/opencloudos-stream/rootfiles.git /var/lib/mock/dist-ocs23-loongarch64-build-134162-9587/root/chroot_tmpdir/scmroot/rootfiles
Cloning into '/var/lib/mock/dist-ocs23-loongarch64-build-134162-9587/root/chroot_tmpdir/scmroot/rootfiles'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rootfiles
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7488b9 Rebuilt for OpenCloudOS Stream 23.09