fetch-geoip.sh

#!/bin/sh
# Download the IP2Location country database for use by the game server

####
# This file must stay /bin/sh and POSIX compliant for macOS and BSD portability.
# Copy-paste the entire script into https://shellcheck.net to check.
####

set -o errexit || exit $?

# Set the working directory to the location of this script
HERE=$(dirname "$0")
cd "${HERE}"

# Database does not exist or is older than 30 days.
if [ -z "$(find . -path ./IP2LOCATION-LITE-DB1.IPV6.BIN.ZIP -mtime -30 -print)" ]; then
	rm -f IP2LOCATION-LITE-DB1.IPV6.BIN.ZIP || :
	echo "Downloading IP2Location GeoIP database."
	if command -v curl >/dev/null 2>&1; then
		curl -s -L -O https://github.com/OpenRA/GeoIP-Database/releases/download/monthly/IP2LOCATION-LITE-DB1.IPV6.BIN.ZIP || echo "Warning: Download failed"
	else
		wget -cq https://github.com/OpenRA/GeoIP-Database/releases/download/monthly/IP2LOCATION-LITE-DB1.IPV6.BIN.ZIP || echo "Warning: Download failed"
	fi
fi