From 01610706878b1bdc0509b81d357acc9c64368fe2 Mon Sep 17 00:00:00 2001
From: Tj Holowaychuk <tj@vision-media.ca>
Date: Wed, 5 Jan 2011 07:25:55 -0800
Subject: [PATCH] return when active

---
 bin/n | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bin/n b/bin/n
index a99bdbf..298687a 100755
--- a/bin/n
+++ b/bin/n
@@ -105,12 +105,16 @@ display_versions() {
 
 install_node() {
   local version=$1
+  check_current_version
 
   # remove "v"
   if test "${version:0:1}" = "v"; then
     version=${version:1:${#version}}
   fi 
 
+  # already active
+  test "$version" = "$installed" && return
+
   # install
   local dir="node-v$version"
   cd $PREFIX/n \