$ git clone -n https://src.fedoraproject.org/rpms/net-snmp.git /var/lib/mock/f39-build-1491585-34522/root/chroot_tmpdir/scmroot/net-snmp
Cloning into '/var/lib/mock/f39-build-1491585-34522/root/chroot_tmpdir/scmroot/net-snmp'...
$ git fetch origin a1af22f2061d9dff4c1c667c51f6aecd6fec0450:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/net-snmp
 * [new ref]         a1af22f2061d9dff4c1c667c51f6aecd6fec0450 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1af22f New upstream release 5.9.4 (#2184202)