$ git clone -n https://src.fedoraproject.org/rpms/net-snmp.git /var/lib/mock/f41-build-816906-150476/root/chroot_tmpdir/scmroot/net-snmp
Cloning into '/var/lib/mock/f41-build-816906-150476/root/chroot_tmpdir/scmroot/net-snmp'...
$ git fetch origin ad9d539156bcc06d55345e67822944ce09b52cbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/net-snmp
 * [new ref]         ad9d539156bcc06d55345e67822944ce09b52cbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad9d539 Perl 5.40 rebuild