$ git clone -n https://src.fedoraproject.org/rpms/iperf.git /var/lib/mock/f38-build-722961-98951/root/chroot_tmpdir/scmroot/iperf
Cloning into '/var/lib/mock/f38-build-722961-98951/root/chroot_tmpdir/scmroot/iperf'...
$ git reset --hard 3eb1aa17fba82d916b48f3059a7b3fee11b02c57
HEAD is now at 3eb1aa1 update to 2.1.9