From 1bc7b66208970210d0407c5340341ed86e371d02 Mon Sep 17 00:00:00 2001
From: AJ ONeal <aj@daplie.com>
Date: Mon, 15 May 2017 21:54:35 -0600
Subject: [PATCH] Update setup-node-ubuntu.bash

---
 setup-node-ubuntu.bash | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/setup-node-ubuntu.bash b/setup-node-ubuntu.bash
index 9e3f3a3..45b84b6 100644
--- a/setup-node-ubuntu.bash
+++ b/setup-node-ubuntu.bash
@@ -1,6 +1,14 @@
 #!/bin/bash
 
-if [ -z "$NODE_PATH" ]; then
+set -e
+set -u
+set -o pipefail
+
+if [ -z "${PREFIX-}" ]; then
+  PREFIX=""
+fi
+
+if [ -n "$NODE_PATH" ]; then
   node_install_path=$(dirname $(dirname $NODE_PATH))
 else
   node_install_path=$PREFIX/usr/local