From 8c374e2136294d3357ecc8a13d6563e5341e09bd Mon Sep 17 00:00:00 2001
From: Austin Pray <austin@austinpray.com>
Date: Wed, 4 Feb 2015 19:35:41 -0600
Subject: [PATCH] Require the latest version of npm

The npm that ships with 0.10 is 1.2.x and it is riddled with
race conditions.
---
 .travis.yml  | 8 ++------
 README.md    | 3 ++-
 package.json | 3 ++-
 3 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 1b5dea7..9d20eb3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,18 +1,14 @@
 sudo: false
 language: php
-cache:
-  directories:
-  - node_modules
 php:
 - '5.6'
 - '5.5'
 - '5.4'
 
 before_install:
-  - npm cache clean
-  - npm prune
+  - npm install -g npm@latest
   - npm install -g bower gulp jscs
-  - npm update
+  - npm install
   - pyrus install pear/PHP_CodeSniffer
   - phpenv rehash
 
diff --git a/README.md b/README.md
index bbcaac8..c3c9437 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ Sage is a WordPress starter theme based on [HTML5 Boilerplate](http://html5boile
 
 * PHP >= 5.4
 * Node.js >= 0.10
+* npm >= 2.1.5
 * gulp (`npm install -g gulp`)
 * Bower (`npm install -g bower`)
 
@@ -71,7 +72,7 @@ Sage uses [gulp](http://gulpjs.com/) as its build system and [Bower](http://bowe
 
 ### Install gulp and Bower
 
-**Unfamiliar with npm? Don't have node installed?** [Download and install node.js](http://nodejs.org/download/) before proceeding.
+Building the theme requires [node.js](http://nodejs.org/download/). We recommend you update to the latest version of npm: `npm install -g npm@latest`.
 
 From the command line:
 
diff --git a/package.json b/package.json
index 5c914ae..95a580e 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,8 @@
     "jscs": "jscs gulpfile.js assets/scripts/*.js"
   },
   "engines": {
-    "node": ">= 0.10.0"
+    "node": ">= 0.10.0",
+    "npm": ">=2.1.5"
   },
   "devDependencies": {
     "asset-builder": "^0.3.5",