#!/usr/bin/env bash
set -euo pipefail

PR="470"
PROVIDER="10minutemail.com"
MX_RECORDS=("prd-smtp.10minutemail.com.")

while read -r line; do
    echo "Checking $line"
    mx="$(dig +short MX "$line" | cut -d' ' -f2-)"
    grep_args=()
    for search_record in "${MX_RECORDS[@]}"; do
        grep_args+=('-e' "^${search_record//./\.}$")
    done
    grep -q "${grep_args[@]}" <<< "$mx" || echo "$line is not part of $PROVIDER (MX: $(paste -s -d' ' - <<< "${mx:-missing}"))"
done < <(curl -fsSL -o- https://github.com/disposable-email-domains/disposable-email-domains/pull/$PR.diff | grep '^+[^+]' | cut -d'+' -f2-)