$ git clone -n https://gitee.com/opencloudos-stream/qemu.git /var/lib/mock/dist-ocs23-base-build-345653-38224/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-ocs23-base-build-345653-38224/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 2922f0c !64 [Hygon][8.2][Bugfix]Fix P2P in CSV3 VM, fix dma mapping update for CSV3 VM Merge pull request !64 from hanliyang/master_csv3-dcu