$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/iperf3.git /var/lib/mock/dist-an8.4-build-20174-8872/root/chroot_tmpdir/scmroot/iperf3
Cloning into '/var/lib/mock/dist-an8.4-build-20174-8872/root/chroot_tmpdir/scmroot/iperf3'...
$ git reset --hard origin/a8
HEAD is now at 83f564d update to iperf3-3.5-6.el8.src.rpm