From 3dbff720f2b36e7db881ff1e6974ddf0334acba4 Mon Sep 17 00:00:00 2001
From: Jessica Lord <jlord@github.com>
Date: Tue, 12 May 2015 16:59:27 -0700
Subject: [PATCH] Check for url before replacing

---
 src/package.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/package.coffee b/src/package.coffee
index 7578ce66e..95f769e49 100644
--- a/src/package.coffee
+++ b/src/package.coffee
@@ -30,7 +30,7 @@ class Package
       normalizePackageData ?= require 'normalize-package-data'
       normalizePackageData(metadata)
       if metadata.repository?.type is 'git'
-        metadata.repository.url = metadata.repository.url.replace(/^git\+/, '')
+        metadata.repository.url = metadata.repository.url?.replace(/^git\+/, '')
       metadata
 
   @loadMetadata: (packagePath, ignoreErrors=false) ->