#!/bin/sh

if [ -d "${0%/*}" ]; then
	cd "${0%/*}"
fi

if ! which rsync >/dev/null; then
	echo >&2 "FATAL: rsync not found, please install the rsync package"
	exit 1
fi

case "${0##*/}" in
	update-to-autobuild.sh)
		buildtype=autobuild
		;;
	*)
		buildtype=release
		;;
esac

options="-Prtzil --executability --delete-after --delete-excluded --stats"

if [ -d "Xonotic-low" ]; then
	url="rsync://beta.xonotic.org/$buildtype-Xonotic-low/"
	target="Xonotic-low/"
elif [ -d "Xonotic-high" ]; then
	url="rsync://beta.xonotic.org/$buildtype-Xonotic-high/"
	target="Xonotic-high/"
elif [ -d "../../../.git" ]; then
	echo >&2 "NOTE: this is a git repository download. Using the regular update method."
	exec ../../../all update
elif [ -d "../../../data" ]; then
	if [ -f ../../../data/xonotic-rsync-data-low.pk3 ]; then
		url="rsync://beta.xonotic.org/$buildtype-Xonotic-low/"
	elif [ -f ../../../data/xonotic-*-data-low.pk3 ]; then
		url="rsync://beta.xonotic.org/$buildtype-Xonotic-low/"
		options="$options -y" # use fuzzy matching because file names differ
	elif [ -f ../../../data/xonotic-rsync-data-high.pk3 ]; then
		url="rsync://beta.xonotic.org/$buildtype-Xonotic-high/"
	elif [ -f ../../../data/xonotic-*-data-high.pk3 ]; then
		url="rsync://beta.xonotic.org/$buildtype-Xonotic-high/"
		options="$options -y" # use fuzzy matching because file names differ
	elif [ -f ../../../data/xonotic-rsync-data.pk3 ]; then
		url="rsync://beta.xonotic.org/$buildtype-Xonotic/"
	elif [ -f ../../../data/xonotic-*-data.pk3 ]; then
		url="rsync://beta.xonotic.org/$buildtype-Xonotic/"
		options="$options -y" # use fuzzy matching because file names differ
	else
		echo >&2 "FATAL: unrecognized Xonotic build. This update script cannot be used."
		exit 1
	fi
	target="../../.."
else
	url="rsync://beta.xonotic.org/$buildtype-Xonotic/"
	target="Xonotic/"
fi

excludes=
if [ -z "$XONOTIC_INCLUDE_ALL" ]; then
	excludes="$excludes --exclude=/*.exe"
	excludes="$excludes --exclude=/gmqcc/*.exe"
	excludes="$excludes --exclude=/bin32"
	excludes="$excludes --exclude=/*.dll"
	excludes="$excludes --exclude=/bin64"

	case `uname`:`uname -m` in
		Darwin:*)
			excludes="$excludes --exclude=/xonotic-linux*"
			excludes="$excludes --exclude=/gmqcc/gmqcc.linux*"
			;;
		Linux:x86_64)
			excludes="$excludes --exclude=/Xonotic*.app"
			excludes="$excludes --exclude=/xonotic-osx-*"
			excludes="$excludes --exclude=/gmqcc/gmqcc.osx"
			if [ -z "$XONOTIC_INCLUDE_32BIT" ]; then
				excludes="$excludes --exclude=/xonotic-linux32-*"
				excludes="$excludes --exclude=/gmqcc/gmqcc.linux32"
			fi
			;;
		Linux:i?86)
			excludes="$excludes --exclude=/Xonotic*.app"
			excludes="$excludes --exclude=/xonotic-osx-*"
			excludes="$excludes --exclude=/gmqcc/gmqcc.osx"
			excludes="$excludes --exclude=/xonotic-linux64-*"
			excludes="$excludes --exclude=/gmqcc/gmqcc.linux64"
			;;
		*)
			echo >&2 "WARNING: Could not detect architecture - downloading all architectures"
			;;
	esac
fi

rsync $options $excludes "$url" "$target"
