$ git clone -n https://gitee.com/opencloudos-stream/qemu.git /home/lib/mock/dist-ocs23-loongarch64-build-198201-13711/root/chroot_tmpdir/scmroot/qemu
Cloning into '/home/lib/mock/dist-ocs23-loongarch64-build-198201-13711/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/qemu
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d129a8e !21 Add LoongArch features and bugfixes patches Merge pull request !21 from gaosong/loongarch-dev