From cf5272e1a024400de0539c5d0d89d56b4963642c Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Tue, 8 Aug 2017 20:53:51 -0700
Subject: [PATCH] [Fix] `set -u`: `nvm install`: fix unbound vars

Fixes #1587.
---
 nvm.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nvm.sh b/nvm.sh
index 11e774f..ccd6bc1 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -2535,7 +2535,7 @@ nvm() {
         shift
       done
 
-      if [ -z "$SKIP_DEFAULT_PACKAGES" ] && [ -f "${NVM_DIR}/default-packages" ]; then
+      if [ -z "${SKIP_DEFAULT_PACKAGES-}" ] && [ -f "${NVM_DIR}/default-packages" ]; then
         DEFAULT_PACKAGES=""
 
         # Read lines from $NVM_DIR/default-packages