install.sh

#!/bin/sh
# OpenTaiko install script for Unix-like OSes.
# Change the environment variables to your desired values before executing this
# script, else the default values will apply.
# $OPENTAIKO_BINARY_INSTALLDIR - where binaries should be installed.
# $OPENTAIKO_RESOURCE_INSTALLDIR - where resources should be installed.

resource_install_dir=/usr/local/share/OpenTaiko
binary_install_dir=/usr/local/games
real_binary_name=OpenTaiko-real
launch_script_name=OpenTaiko

if [ "$real_binary_name" = "$launch_script_name" ]
then
	echo "\$real_binary_name and \$launch_script_name cannot be equal; "\
	     "refusing to make fork bomb."
	exit 1
fi
if [ -n "$OPENTAIKO_BINARY_INSTALLDIR" ]
then
	binary_install_dir="$OPENTAIKO_BINARY_INSTALLDIR"
fi
if [ -n "$OPENTAIKO_RESOURCE_INSTALLDIR" ]
then
	resource_install_dir="$OPENTAIKO_RESOURCE_INSTALLDIR"
fi

# If game binary can be found, copy it to $binary_install_dir as
# $real_binary_name, and create a start script based on the current environment
# in the same directory as $launch_script_name, and copy assets/ and locale/ to
# $resource_install_dir, creating it if necessary.
install_game () {
	if ! [ -f "OpenTaiko" ]
	then
		echo "You must compile the game before it can be installed. See"\
		     "README.md for instructions."
		exit 1
	fi
	if ! [ -d "$resource_install_dir" ]
	then
		mkdir "$resource_install_dir" || exit 1
	fi
	cp -r assets "$resource_install_dir" &&
	cp -r locale "$resource_install_dir" &&
	cp OpenTaiko "$binary_install_dir"/"$real_binary_name" &&
	echo "#!"$(which sh) > "$binary_install_dir"/"$launch_script_name" &&
	echo "export OPENTAIKO_INSTALLDIR=""$resource_install_dir" >> "$binary_install_dir"/"$launch_script_name" &&
	echo "$real_binary_name" \"\$\@\" >> "$binary_install_dir"/"$launch_script_name" &&
	chmod 755 "$binary_install_dir"/"$launch_script_name" &&
	echo "Installation complete."
	printf "If \"%s\" is on your PATH, you can run the game as \"%s\".\n"\
	       "$binary_install_dir" "$launch_script_name"
}

# Delete the start script and real binary from the binary install directory, and
# delete the asset and locale directories from the resource install directory.
# Deliberately does not delete the $resource_install_dir itself.
uninstall_game () {
	rm "$binary_install_dir"/"$real_binary_name" &&
	rm "$binary_install_dir"/"$launch_script_name" &&
	rm -r "$resource_install_dir"/assets &&
	rm -r "$resource_install_dir"/locale &&
	echo "Uninstallation complete."
}

case $1 in
	"--install")   install_game;;
	"--uninstall") uninstall_game;;
	"")            install_game;;
	*)             echo "Usage: "$0" [--install | --uninstall]" && exit 1;;
esac