link-plblocks.sh

#!/bin/bash

usage(){
cat << EOF
usage: $0 options

This script create links for PLBlocks, which is useful
if you are installing the beta SDK into a separate folder.

OPTIONS:
   -s      source path of your primate SDK directory, where PLBlocks is installed
   -d      destination path of your beta SDK install
   -u      remove links
EOF
}

checkdir(){
	if [ ! -d $1 ]; then
    	echo "${1} is not a directory"
		exit 1
	fi	
}

createlink(){
	pushd ./$1 > /dev/null
	ln -s "$src/$1/$2" .
	popd > /dev/null
}

removelink(){
	pushd ./$1 > /dev/null
	if [[ -L "$2" ]]; then
		rm "$2"
	fi
	popd > /dev/null
}

src=
dest=
uninstall=

while getopts "s:d:u" OPTION; do
     case "$OPTION" in
         s)
             src=$OPTARG
             ;;
         d)
             dest=$OPTARG
             ;;
         u)
             uninstall=1
             ;;
     esac
done

# remove links
if [[ ! -z "$uninstall" ]]  && [[ ! -z $dest ]] ; then
	# ensure / is appended
	dest=$(echo "${dest}" | sed s:\/$::)"/"
	
	checkdir $dest
		
	echo "Removing links from '${dest}'..."
	
	pushd $dest > /dev/null
	
	# install library
	removelink "Library" "PLBlocks"
	removelink "Library/Xcode/Plug-ins" "GCC 4.2 (Plausible Blocks).xcplugin"
	removelink "Platforms/iPhoneOS.platform/Developer/Library/Xcode/Plug-ins" "GCC 4.2 (Plausible Blocks - iPhoneOS).xcplugin"
	
	popd > /dev/null
	
    exit 0
fi

# install links
if [[ ! -z $src ]] && [[ ! -z $dest ]] ; then
	if [[ "$src" == "$dest" ]]; then
		echo "src cannot equal dest"
		exit 1
	fi
	
	# ensure / is appended
	src=$(echo "${src}" | sed s:\/$::)"/"
	dest=$(echo "${dest}" | sed s:\/$::)"/"
	
	checkdir $src
	checkdir $dest
		
	echo "Installing links from '${src}' to '${dest}'..."
	
	pushd $dest > /dev/null
	
	# install library
	createlink "Library" "PLBlocks"
	createlink "Library/Xcode/Plug-ins" "GCC 4.2 (Plausible Blocks).xcplugin"
	createlink "Platforms/iPhoneOS.platform/Developer/Library/Xcode/Plug-ins" "GCC 4.2 (Plausible Blocks - iPhoneOS).xcplugin"
	
	popd > /dev/null
	
    exit 0
fi

usage
exit 1