Small bash script for downloading and installing latest openttd with opensfx and opengfx

get_lastest_openttd.sh

#!/bin/bash

set -e

# Simple script for getting and installing latest openttd with opengfx and opensfx
# Downloads latest trunk version by default, but if you supply the revision you want
# as the first argument, it downloads that version.
#
# Examples:
#
#  # Get the latest version
# ./get_latest_openttd.sh
#
#  # Get a specific revision
# ./get_latest_openttd.sh r18641


# Configuration

# i686 or amd64
ARCHITECTURE=amd64

OPENTTD_INSTALL_BASE=/home/klette/openttd_installs

OPENSFX_VERSION=0.2.1
OPENGFX_VERSION=0.2.1




######################### Do not edit below this line. You will be shot.

OPENSFX_URL=http://bundles.openttdcoop.org/opensfx/releases/opensfx-$OPENSFX_VERSION.zip
OPENGFX_URL=http://bundles.openttdcoop.org/opengfx/releases/opengfx-$OPENGFX_VERSION.zip

function latest_openttd_trunk_version {
	wget -q http://www.openttd.org/en/download-trunk -O - | grep -o -P 'release in trunk is r(\d+)' | cut -d" " -f5
}

function download_trunk_openttd {
	wget -c http://binaries.openttd.org/nightlies/trunk/$1/openttd-trunk-$1-linux-generic-$ARCHITECTURE.tar.bz2 -O /tmp/$1.tar.bz2
}

function extract_trunk_openttd {
	cd $OPENTTD_INSTALL_BASE ; tar xjpf /tmp/$1.tar.bz2
}

function clean_trunk_openttd_dl {
	rm /tmp/$1.tar.bz2
}

function get_and_install_trunk {
	download_trunk_openttd $1
	extract_trunk_openttd $1
	clean_trunk_openttd_dl $1
}

function get_and_install_opensfx {
	cd $OPENTTD_INSTALL_BASE/openttd-trunk-$1-linux-generic-$ARCHITECTURE/data
	wget -c -q $OPENSFX_URL -O /tmp/opensfx-$OPENSFX_VERSION.zip
	unzip -jo /tmp/opensfx-$OPENSFX_VERSION.zip
}

function get_and_install_opengfx {
	cd $OPENTTD_INSTALL_BASE/openttd-trunk-$1-linux-generic-$ARCHITECTURE/data
	wget -c -q $OPENGFX_URL -O /tmp/opengfx-$OPENGFX_VERSION.zip
	unzip -jo /tmp/opengfx-$OPENGFX_VERSION.zip
}

if echo $1 | grep -P 'r(\d+)';
then
	LATEST_REV=$1
	echo "Forcing rev $1"
else
	LATEST_REV=$(latest_openttd_trunk_version)
fi

get_and_install_trunk $LATEST_REV
get_and_install_opensfx $LATEST_REV
get_and_install_opengfx $LATEST_REV

echo "Install of openttd rev $LATEST_REV complete."