attempting again

bin/compile

@@ -12,15 +12,13 @@ topic() {
 APP_PREFIX=/app/.heroku
 mkdir -p $APP_PREFIX
 
-BP_CACHE_DIR="$CACHE_DIR/heroku-openresty-buildpack"
-mkdir -p $BP_CACHE_DIR
-OPENRESTY_CACHE_DIR="$BP_CACHE_DIR/app"
+mkdir -p $CACHE_DIR
 
 
-if [ -d "$OPENRESTY_CACHE_DIR" ]
+if [ -d "$CACHE_DIR/$APP_PREFIX" ]
 then
 	topic "Restoring openresty build from cache..."
-	mv $OPENRESTY_CACHE_DIR $BUILD_DIR/
+	cp $CACHE_DIR/$APP_PREFIX $BUILD_DIR/
 else
 	PKG=http://openresty.org/download/openresty-1.13.6.1.tar.gz 
 
@@ -38,7 +36,7 @@ else
 	cd
 
 	topic "Caching directory..."
-	cp -R $APP_PREFIX $OPENRESTY_CACHE_DIR
+	cp -R $APP_PREFIX $CACHE_DIR
 
 	topic "Making Openresty available to running application...."
 	mv $APP_PREFIX $BUILD_DIR/