#!/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