$ git clone -n https://src.fedoraproject.org/rpms/iptables.git /var/lib/mock/f39-build-1489411-34501/root/chroot_tmpdir/scmroot/iptables
Cloning into '/var/lib/mock/f39-build-1489411-34501/root/chroot_tmpdir/scmroot/iptables'...
$ git fetch origin 21624d30276597c18535a0ea0fb582d95dbbf062:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iptables
 * [new ref]         21624d30276597c18535a0ea0fb582d95dbbf062 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21624d3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild