From 781b46dede0e320027d1a5317e32d121fd59725f Mon Sep 17 00:00:00 2001
From: Luke Childs <lukechilds123@gmail.com>
Date: Mon, 25 Jul 2016 19:20:29 +0100
Subject: [PATCH] Use default upgrade if it's built in

---
 zsh-nvm.plugin.zsh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/zsh-nvm.plugin.zsh b/zsh-nvm.plugin.zsh
index 515377e..5600d76 100644
--- a/zsh-nvm.plugin.zsh
+++ b/zsh-nvm.plugin.zsh
@@ -57,6 +57,14 @@ nvm_update() {
   echo 'Deprecated, please use `nvm upgrade`'
 }
 _zsh_nvm_upgrade() {
+
+  # Use default upgrade if it's built in
+  if _zsh_nvm_nvm --help | grep -q 'nvm upgrade'; then
+    _zsh_nvm_nvm upgrade
+    return
+  fi
+
+  # Otherwise use our own
   local installed_version=$(cd "$NVM_DIR" && git describe --tags)
   echo "Installed version is $installed_version"
   echo "Checking latest version of nvm..."