live-bootstrap/steps/improve/get_network.sh

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#!/bin/sh
dhcpcd --waitip=4
# Ensure network accessible
timeout=120
while ! curl example.com >/dev/null 2>&1; do
sleep 1
# shellcheck disable=SC2219
let timeout--
if [ "${timeout}" -le 0 ]; then
echo "Timeout reached for internet to become accessible"
false
fi
done