$ git clone -n http://git.inferitos.ru/rpms/iperf3 /var/lib/mock/inferit-9_6-bootstrap-build-93841-179216/root/chroot_tmpdir/scmroot/iperf3
Cloning into '/var/lib/mock/inferit-9_6-bootstrap-build-93841-179216/root/chroot_tmpdir/scmroot/iperf3'...
$ git fetch origin changed/i9c-beta/iperf3-3.9-14.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/iperf3
 * [new tag]         changed/i9c-beta/iperf3-3.9-14.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41707ba import iperf3-3.9-14.el9