arch-pkgs/bind-adblock/bind-adblock.install

post_install() {
    cat<<EOF
    Add BIND options entry:
    options {
        response-policy {
            zone "adblock.rpz"
        };
    };

    Add BIND zone entry:
    zone "adblock.rpz" {
        type master;
        file "/var/named/adblock.rpz";
        masterfile-format text;
        allow-query { none; };
    };
EOF
}