From f174386672b4462c512cc1846f4b0d4a0f226e0f Mon Sep 17 00:00:00 2001
From: Adrian Zankich <adrian@hybridgroup.com>
Date: Tue, 21 Jan 2014 00:57:56 -0800
Subject: [PATCH] Fix cylon command issue if no node_modules directory is
 present

---
 bin/cylon | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

diff --git a/bin/cylon b/bin/cylon
index d50a4c3..15a5553 100755
--- a/bin/cylon
+++ b/bin/cylon
@@ -1,7 +1,8 @@
 #!/usr/bin/env node
 
 var program = require('commander'),
-    pkg = require('../package.json');
+    pkg = require('../package.json'),
+    fs = require('fs');
 
 program
   .version(pkg.version)
@@ -14,25 +15,28 @@ program
 
 argv = program.parse(process.argv);
 
-// require all cylon-* modules
-require('fs').readdirSync(process.cwd() + '/node_modules/').forEach(function(dir) {
-  if (dir.match(/^cylon-.*/) !== null) {
-    if (typeof require(dir).registerCommands === 'function') {
-      var commands = require(dir).registerCommands();
-      for (name in commands) {
-        var command = commands[name];
+var modules_path = process.cwd() + '/node_modules/';
+if (fs.existsSync(modules_path)) {
+  // require all cylon-* modules
+  fs.readdirSync(modules_path).forEach(function(dir) {
+    if (dir.match(/^cylon-.*/) !== null) {
+      if (typeof require(dir).registerCommands === 'function') {
+        var commands = require(dir).registerCommands();
+        for (name in commands) {
+          var command = commands[name];
 
-        // get subcommand arguments
-        args = argv.args.slice(1)
+          // get subcommand arguments
+          args = argv.args.slice(1)
 
-        program
-          .command(name)
-          .description(command.description)
-          .action(command.command(args));
+          program
+            .command(name)
+            .description(command.description)
+            .action(command.command(args));
+        }
       }
     }
-  }
-});
+  });
+}
 
 // print help if no arguments were provided
 if(!program.args.length) { program.help(); }