$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/iperf3.git /var/lib/mock/dist-an7-build-31486-15745/root/chroot_tmpdir/scmroot/iperf3
Cloning into '/var/lib/mock/dist-an7-build-31486-15745/root/chroot_tmpdir/scmroot/iperf3'...
$ git reset --hard origin/a7
HEAD is now at 19314c7 import iperf3-3.1.7-2.el7.src.rpm