$ git clone -n https://src.fedoraproject.org/rpms/arptables.git /var/lib/mock/f40-build-796290-140592/root/chroot_tmpdir/scmroot/arptables
Cloning into '/var/lib/mock/f40-build-796290-140592/root/chroot_tmpdir/scmroot/arptables'...
$ git fetch origin c0e4d135831ecf8debe067721ed5e350c910ed30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arptables
 * [new ref]         c0e4d135831ecf8debe067721ed5e350c910ed30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0e4d13 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild