$ git clone -n https://src.fedoraproject.org/rpms/iptables.git /var/lib/mock/f40-build-2600282-63103/root/chroot_tmpdir/scmroot/iptables
Cloning into '/var/lib/mock/f40-build-2600282-63103/root/chroot_tmpdir/scmroot/iptables'...
$ git fetch origin 4f6c4554627cf2633bc8944cb1240ab0c8074515:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iptables
 * [new ref]         4f6c4554627cf2633bc8944cb1240ab0c8074515 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f6c455 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild