#! /usr/bin/env bash
set -e

# We need 1 argument
if [ $# -ne 1 ]; then
    echo "Usage: wg-get-client-ip <pubkey>"
    exit 1
fi

# NOTE: The final `grep` call is needed to make this fail if the pubkey is not found
sudo wg show all dump | grep $1 | cut -f 4 | cut -d: -f1 | grep ""