$ git clone -n https://gitee.com/mgb01105731/iperf3.git /var/lib/mock/dist-an23-build-python3.11-386029-71833/root/chroot_tmpdir/scmroot/iperf3
Cloning into '/var/lib/mock/dist-an23-build-python3.11-386029-71833/root/chroot_tmpdir/scmroot/iperf3'...
$ git fetch origin a23.1:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/iperf3
 * [new branch]      a23.1      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1fcc91 update to 3.17