#!/bin/sh -xeu
# This script will detect the OS, and try to grab the libraries. And then
# creates a tarball for distribution.

# Check if another config is being sourced.
set +u
if [ -z "$TUP_CONFIG" ];
then
	. ./tup.config
else
	. ./"$TUP_CONFIG"
fi
set -u

WINDOWS="false" # Windows needs special treatment
mkdir -p "$CONFIG_INSTALL_PREFIX/libs"
case "$(uname -s)" in
	MINGW*)
		for i in $(ldd "$CONFIG_BUILD_DIR"/bin/Pong* | awk '/mingw*/ {print $3}');
		do
			cp "$i" "$CONFIG_INSTALL_PREFIX/"
		done
		WINDOWS="true"
		;;
	Linux)
		for i in $(ldd "$CONFIG_BUILD_DIR"/bin/Pong* | awk '/usr/ {print $3}');
		do
			cp "$i" "$CONFIG_INSTALL_PREFIX/libs/"
		done
		;;
	NetBSD)
		# NetBSD, unlike the other BSDs keep their packages in /usr/pkg
		for i in $(ldd "$CONFIG_BUILD_DIR"/bin/Pong* | awk '/usr\/pkg/ {print $3}');
		do
			cp "$i" "$CONFIG_INSTALL_PREFIX/libs/"
		done
		;;
	OpenBSD)
		for i in $(ldd "$CONFIG_BUILD_DIR"/bin/Pong* | awk '/usr\/local/ {print $7}');
		do
			cp "$i" "$CONFIG_INSTALL_PREFIX/libs/"
		done
		;;
	SunOS)
		for i in $(ldd "$CONFIG_BUILD_DIR"/bin/Pong* | awk '/usr\/lib/ {print $3}');
		do
			cp "$i" "$CONFIG_INSTALL_PREFIX/libs/"
		done
		;;
	*BSD)
		# BSDs keep installed packages in /usr/local
		for i in $(ldd "$CONFIG_BUILD_DIR"/bin/Pong* | awk '/usr\/local/ {print $3}');
		do
			cp "$i" "$CONFIG_INSTALL_PREFIX/libs/"
		done
		;;
	Darwin)
		# Try to see if my otool-tree program is there, if not, just use otool.
		# (WARNING: otool on it's own, only shows directly linked libraries, but
		# doesn't show the libraries needed by those said libraries.
		if which otool-tree > /dev/null;
		then
			for i in $(otool-tree "$CONFIG_BUILD_DIR"/bin/Pong* | awk '/usr\/local/');
			do
				cp "$i" "$CONFIG_INSTALL_PREFIX/libs/"
			done
		else
			for i in $(otool -L "$CONFIG_BUILD_DIR"/bin/Pong* | awk '/usr\/local/{print $1}');
			do
				cp "$i" "$CONFIG_INSTALL_PREFIX/libs/"
			done
		fi
		;;
	*)
		echo "Unsupported System for distribute.sh, you'll have to package it yourself. =("
		exit 1
		;;
esac

cd "$CONFIG_INSTALL_PREFIX"

# Tarball the finish result!
if [ "$WINDOWS" = "true" ];
then
	ARCHIVE_NAME="Pong_$(uname -s)-$(uname -r)"
	SEVENZIP="$(which 7z)" || SEVENZIP="/c/Program Files/7-Zip/7z.exe"
	if [ -f "$SEVENZIP" ];
	then # Try to use 7z's self extracting feature if possible.
		"$SEVENZIP" a -sfx7z.sfx ../"$ARCHIVE_NAME".exe -- *
	else # If not, just create a standard zip file.
		zip -9 -r ../"$ARCHIVE_NAME".zip -- *
	fi
	exit 0
else
	set +e
	# Remove GL drivers, as they almost always conflict with system driver.
	rm -f libs/libGL*
	rm -f libs/libdrm*
	rm -f libs/lib*xcb*.so*
	# Remove libstdc++
	rm -f libs/libstdc++*
	set -e
	bsdtar --options gzip:compression-level=9 -caf ../Pong_"$(uname -s)-$(uname -r)-$(uname -m)".tgz -- *
fi