Merge pull request #14 from lackac/patch-1

Move CACHE_STORE_DIR assignment after setting NPM_VERSION

bin/compile

@@ -18,8 +18,6 @@ S3_BUCKET="heroku-buildpack-nodejs"
 BUILD_DIR=$1
 CACHE_DIR=$2
 LP_DIR=`cd $(dirname $0); cd ..; pwd`
-CACHE_STORE_DIR="$CACHE_DIR/node_modules/$NPM_VERSION"
-CACHE_TARGET_DIR="$BUILD_DIR/node_modules"
 
 function error() {
   echo " !     $*"
@@ -124,6 +122,10 @@ echo "Using Node.js version: ${NODE_VERSION}" | indent
 NPM_VERSION=$(package_resolve_version "npm")
 echo "Using npm version: ${NPM_VERSION}" | indent
 
+# cache directories
+CACHE_STORE_DIR="$CACHE_DIR/node_modules/$NPM_VERSION"
+CACHE_TARGET_DIR="$BUILD_DIR/node_modules"
+
 # s3 packages
 NODE_PACKAGE="http://${S3_BUCKET}.s3.amazonaws.com/nodejs-${NODE_VERSION}.tgz"
 NPM_PACKAGE="http://${S3_BUCKET}.s3.amazonaws.com/npm-${NPM_VERSION}.tgz"