#!/bin/bash

#### Configuration:

# The name of the executable. It is assumed

# that it is in the current working directory.

EXE_NAME=hidapi-testgui

# Path to the executable directory inside the bundle.

# This must be an absolute path, so use $PWD.

EXEPATH=$PWD/TestGUI.app/Contents/MacOS

# Libraries to explicitly bundle, even though they

# may not be in /opt/local. One per line. These

# are used with grep, so only a portion of the name

# is required. eg: libFOX, libz, etc.

LIBS_TO_BUNDLE=libFOX

function copydeps {

	local file=$1

	# echo "Copying deps for $file...."

	local BASE_OF_EXE=`basename $file`

	# A will contain the dependencies of this library

	local A=`otool -LX $file |cut -f 1 -d " "`

	local i

	for i in $A; do

		local BASE=`basename $i`

		# See if it's a lib we specifically want to bundle

		local bundle_this_lib=0

		local j

		for j in $LIBS_TO_BUNDLE; do

			echo $i |grep -q $j

			if [ $? -eq 0 ]; then

				bundle_this_lib=1

				echo "bundling $i because it's in the list."

				break;

			fi

		done

		# See if it's in /opt/local. Bundle all in /opt/local

		local isOptLocal=0

		echo $i |grep -q /opt/local

		if [ $? -eq 0 ]; then

			isOptLocal=1

			echo "bundling $i because it's in /opt/local."

		fi

		# Bundle the library

		if [ $isOptLocal -ne 0 ] || [ $bundle_this_lib -ne 0 ]; then

			# Copy the file into the bundle if it exists.

			if [ -f $EXEPATH/$BASE ]; then

				z=0

			else

				cp $i $EXEPATH

				chmod 755 $EXEPATH/$BASE

			fi

			# echo "$BASE_OF_EXE depends on $BASE"

			# Fix the paths using install_name_tool and then

			# call this function recursively for each dependency

			# of this library. 

			if [ $BASE_OF_EXE != $BASE ]; then

				# Fix the paths

				install_name_tool -id @executable_path/$BASE $EXEPATH/$BASE

				install_name_tool -change $i @executable_path/$BASE $EXEPATH/$BASE_OF_EXE

				# Call this function (recursive) on

				# on each dependency of this library.

				copydeps $EXEPATH/$BASE

			fi

		fi

	done

}

rm -f $EXEPATH/*

# Copy the binary into the bundle. Use ../libtool to do this if it's

# available beacuse if $EXE_NAME was built with autotools, it will be

# necessary.  If ../libtool not available, just use cp to do the copy, but

# only if $EXE_NAME is a binary.

if [ -x ../libtool ]; then

	../libtool --mode=install cp $EXE_NAME $EXEPATH

else

	file -bI $EXE_NAME |grep binary

	if [ $? -ne 0 ]; then

		echo "There is no ../libtool and $EXE_NAME is not a binary."

		echo "I'm not sure what to do."

		exit 1

	else

		cp $EXE_NAME $EXEPATH

	fi

fi

copydeps $EXEPATH/$EXE_NAME