$ git clone -n https://gitee.com/src-anolis-os/iperf3.git /var/lib/mock/dist-an8.7-build-133084-47462/root/chroot_tmpdir/scmroot/iperf3
Cloning into '/var/lib/mock/dist-an8.7-build-133084-47462/root/chroot_tmpdir/scmroot/iperf3'...
$ git reset --hard origin/a8
HEAD is now at 83d9856 Add doc sub package