openttd-compile.sh

#!/bin/bash
# Hi I am grepwood, this is OpenTTD, and this - is Jackass
# Before we begin proper, let's define ourselves some functions because we like to keep it simple
function compile {
	DESIRED_VERSION=$1																				      
	TARBALL_FILE="openttd-$DESIRED_VERSION-source.tar.xz"	# XZ, because we like our bandwidth
	TARBALL_LINK="http://binaries.openttd.org/releases/$DESIRED_VERSION/$TARBALL_FILE"
	COMPILE_OPTIONS="--prefix-dir=/usr/local --enable-profiling --enable-lto --enable-dedicated --with-liblzma --without-liblzo2 --with-threads"
	CFLAGS="-march=native -O2 -pipe"
	OBS=`cat /proc/cpuinfo | grep vendor_id | wc -l`
	STEVE="-j$OBS"
	wget $TARBALL_LINK
	tar -xf $TARBALL_FILE
	cd openttd-$DESIRED_VERSION
	$CFLAGS ./configure $COMPILE_OPTIONS
	make $STEVE install
}
# Now we're talking
ARGUMENT_COUNT=$#				# We need at least 1 argument
DESIRED_VERSION=$1				# This is the version we want to install
OPENTTD_PATH="/usr/local/games"	# This is where we EXPECT to find openttd.
OPENTTD_EXE="openttd"			# Do not EVER change this UNLESS you notify
								# SUCS staff about it

# If we don't say what version to install, we do nothing
if [ "$ARGUMENT_COUNT" -ne "1" ]; then
	echo "We need to know what version to install!"
	exit
fi

# Now we must check if we actually have OpenTTD
if [ ! -f "$OPENTTD_PATH/$OPENTTD_EXE" ]; then
	echo "We don't have OpenTTD installed!"
	compile $DESIRED_VERSION
	echo "Installed $DESIRED_VERSION!"
else
	CURRENT_VERSION=`openttd --help | head -n1 | awk '{print $2}'`  # This is the current version we have
	if [ "$CURRENT_VERSION" != "$DESIRED_VERSION" ]; then
		compile $DESIRED_VERSION
		echo "Replaced $CURRENT_VERSION with $DESIRED_VERSION!"
	else
		echo "We already have this version installed!"
	fi
fi