From ea4264645b07484dc071f4027f003804cd6e2893 Mon Sep 17 00:00:00 2001
From: elliottcable <me@ell.io>
Date: Sat, 7 Feb 2015 21:12:46 -0600
Subject: [PATCH] install: support `npm`s lower than v2

---
 install.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/install.sh b/install.sh
index b3ca449..63a7af4 100755
--- a/install.sh
+++ b/install.sh
@@ -150,9 +150,9 @@ nvm_check_global_modules() {
 
   local NPM_VERSION
   NPM_VERSION="$(npm --version)"
-  NPM_VERSION="${NPM_VERSION:-0}"
+  NPM_VERSION="${NPM_VERSION:--1}"
   [ "$NVM_DEBUG" = 0 ] && debug "NPM detected (at version ${NPM_VERSION}.)"
-  [ "${NPM_VERSION%%[!0-9]*}" -gt 1 ] || return 0
+  [ "${NPM_VERSION%%[!0-9]*}" -gt 0 ] || return 0
 
   local NPM_GLOBAL_MODULES
   NPM_GLOBAL_MODULES="$(npm list -g --depth=0 | sed '/ npm@/d')"