From 9e17b5059cc81ae2c2eda542c1608f291f01f6db Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Fri, 19 Dec 2014 16:12:13 -0800
Subject: [PATCH] Return the proper exit code of `which` directly.

---
 nvm.sh | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/nvm.sh b/nvm.sh
index d5bd9e6..64cdd33 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -965,8 +965,14 @@ nvm() {
 
       if [ "_$VERSION" = '_system' ]; then
         if nvm_has_system_node >/dev/null 2>&1; then
-          echo $(nvm use system > /dev/null 2>&1 && echo $(which node))
-          return
+          local NVM_BIN
+          NVM_BIN="$(nvm use system >/dev/null 2>&1 && which node)"
+          if [ -n "$NVM_BIN" ]; then
+            echo "$NVM_BIN"
+            return
+          else
+            return 1
+          fi
         else
           echo "System version of node not found." >&2
           return 127