$ git clone -n https://gitee.com/src-anolis-os/qemu.git /var/lib/mock/dist-an23.4-build-508404-74973/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23.4-build-508404-74973/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin a23.4:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/qemu
 * [new branch]      a23.4      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd2685b Support fine-grained shared memory management for CSV3 VM