Tibia 11 client updater for Linux

update-tibia.sh

#!/usr/bin/env bash

set -u

for i in "$@"; do
	case $i in
		-r|--resume)
			RESUME=1
			shift
		;;
		-p=*|--path=*)
			CLIENT_PATH="${i#*=}"
			shift
		;;
	esac
done

if [[ -z ${CLIENT_PATH+DUMMY} ]]; then
	echo "Usage: update-tibia.sh [--resume] --path=/current/install/path"
	exit 1
fi

REMOTE_PATH="http://download.tibia.com/tibia.x64.tar.gz"
LOCAL_PATH="/tmp/tibia.x64.tar.gz"

COLOR_RED="\033[0;31m"
COLOR_DEF="\033[0m"

print_error() {
	if [[ ! -z "$1" ]]; then
		echo -e "${COLOR_RED}$1${COLOR_DEF}"
	fi
}

if [[ -z ${RESUME+DUMMY} ]]; then
	echo "* Downloading the archive..."
		RESULT=`/usr/bin/curl --write-out %{http_code} --progress-bar -o $LOCAL_PATH $REMOTE_PATH`
		if [[ "$RESULT" != "200" ]]; then
			print_error "    * Failed to download the archive."
			exit 1
		fi
	echo "* Done."

	echo "* Extracting the archive..."
		tar -zxf "$LOCAL_PATH" -C /tmp 2> /dev/null
		if [[ "$?" != "0" ]]; then
			print_error "    * Failed to extract the archive."
			exit 1
		fi
	echo "* Done."
fi

cd /tmp/tibia-11*
echo "* Checking default OpenSSL version..."
	OPENSSL_VER=`openssl version | grep --color=never -o "^OpenSSL [0-9]\+\.[0-9]\+" | cut -d' ' -f2`
	if [[ "$OPENSSL_VER" == "1.0" ]]; then
		echo "    * Compatible, nothing to do"
	else
		echo "    * Incompatible, searching for compatible version..."
		if [[ ! -x "/usr/bin/openssl-1.0" ]]; then
			print_error "    * Not found, please install OpenSSL 1.0 (e.g. pacman -S openssl-1.0 on Arch Linux)"
			print_error "    * You can resume the script afterwards without downloading the client again using $0 --path=$CLIENT_PATH --resume"
			exit 1
		else
			echo "    * Compatible version found, fixing the LD_LIBRARY_PATH string..."
			sed -i "s/LD_LIBRARY_PATH=\"\$BIN_PATH\"/LD_LIBRARY_PATH=\"\$BIN_PATH:\/usr\/lib\/openssl-1.0\"/g" start-tibia.sh
			echo "    * Done."
		fi
	fi
echo "* Done."

echo "* Copying the config and minimap..."
	cp -r "$CLIENT_PATH/minimap" "$PWD"
	cp -r "$CLIENT_PATH/conf" "$PWD"
echo "* Done."

echo "* Finalizing..."
	rm -rf "$CLIENT_PATH"
	cd /tmp
	mv /tmp/tibia-11* "$CLIENT_PATH"
	cd "$CLIENT_PATH"
echo "* Done."
echo "* You can use $CLIENT_PATH/start-tibia.sh now :)."