node-gyp@0.10.2

1 files changed, 15 insertions, 5 deletions

diff --git a/node_modules/node-gyp/lib/node-gyp.js b/node_modules/node-gyp/lib/node-gyp.js
index 37d2e5061..590263248 100644
--- a/node_modules/node-gyp/lib/node-gyp.js
+++ b/node_modules/node-gyp/lib/node-gyp.js
@@ -1,4 +1,8 @@
 
+/**
+ * Module exports.
+ */
+
 module.exports = exports = gyp
 
 /**
@@ -36,7 +40,7 @@ log.heading = 'gyp'
  */
 
 function gyp () {
-  return new Gyp
+  return new Gyp()
 }
 
 function Gyp () {
@@ -46,6 +50,12 @@ function Gyp () {
   // TODO: make this *more* configurable?
   //       see: https://github.com/TooTallNate/node-gyp/issues/21
   var homeDir = process.env.HOME || process.env.USERPROFILE
+  if (!homeDir) {
+    throw new Error(
+      "node-gyp requires that the user's home directory is specified " +
+      "in either of the environmental variables HOME or USERPROFILE"
+    );
+  }
   this.devDir = path.resolve(homeDir, '.node-gyp')
 
   this.commands = {}
@@ -120,7 +130,7 @@ proto.parseArgv = function parseOpts (argv) {
   var commands = this.todo = []
 
   // create a copy of the argv array with aliases mapped
-  var argv = this.argv.map(function (arg) {
+  argv = this.argv.map(function (arg) {
     // is this an alias?
     if (arg in this.aliases) {
       arg = this.aliases[arg]
@@ -168,7 +178,7 @@ proto.parseArgv = function parseOpts (argv) {
  */
 
 proto.spawn = function spawn (command, args, opts) {
-  opts || (opts = {})
+  if (!opts) opts = {}
   if (!opts.silent && !opts.customFds) {
     opts.customFds = [ 0, 1, 2 ]
   }
@@ -183,7 +193,7 @@ proto.spawn = function spawn (command, args, opts) {
  */
 
 proto.usage = function usage () {
-  var usage = [
+  var str = [
       ''
     , '  Usage: node-gyp <command> [options]'
     , ''
@@ -198,7 +208,7 @@ proto.usage = function usage () {
     , 'node-gyp@' + this.version + '  ' + path.resolve(__dirname, '..')
     , 'node@' + process.versions.node
   ].join('\n')
-  return usage
+  return str
 }
 
 /**