From 389a53cca9a4d1fdbc88199e8e9e130c11162c36 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Tue, 8 Aug 2017 00:05:38 -0700
Subject: [PATCH] =?UTF-8?q?[Fix]=20`set=20-u`:=20`nvm=20use`:=20ensure=20t?=
 =?UTF-8?q?hese=20two=20vars=20don=E2=80=99t=20error=20out.?=
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Fixes #1587.
---
 nvm.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nvm.sh b/nvm.sh
index 5500da3..11e774f 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -2807,9 +2807,9 @@ nvm() {
 
       if [ -n "${NVM_LTS-}" ]; then
         VERSION="$(nvm_match_version "lts/${NVM_LTS:-*}")"
-      elif [ -z "$PROVIDED_VERSION" ]; then
+      elif [ -z "${PROVIDED_VERSION-}" ]; then
         nvm_rc_version
-        if [ -n "$NVM_RC_VERSION" ]; then
+        if [ -n "${NVM_RC_VERSION-}" ]; then
           PROVIDED_VERSION="$NVM_RC_VERSION"
           VERSION="$(nvm_version "$PROVIDED_VERSION")"
         fi