From a09b747f30284b058b78ae71cf04380abc8d2a93 Mon Sep 17 00:00:00 2001
From: koichik <koichik@improvement.jp>
Date: Fri, 14 Oct 2011 17:04:04 +0900
Subject: [PATCH] child_process.fork: don't modify args

Fixes #1888.
---
 lib/child_process.js                   | 2 +-
 test/simple/test-child-process-fork.js | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/child_process.js b/lib/child_process.js
index 8f26318939..fd23b5b571 100644
--- a/lib/child_process.js
+++ b/lib/child_process.js
@@ -124,7 +124,7 @@ function nop() { }
 exports.fork = function(modulePath, args, options) {
   if (!options) options = {};
 
-  if (!args) args = [];
+  args = args ? args.slice(0) : [];
   args.unshift(modulePath);
 
   if (options.stdinStream) {
diff --git a/test/simple/test-child-process-fork.js b/test/simple/test-child-process-fork.js
index 1079d953d4..aebabc6c9d 100644
--- a/test/simple/test-child-process-fork.js
+++ b/test/simple/test-child-process-fork.js
@@ -1,8 +1,10 @@
 var assert = require('assert');
 var common = require('../common');
 var fork = require('child_process').fork;
+var args = ['foo', 'bar'];
 
-var n = fork(common.fixturesDir + '/child-process-spawn-node.js');
+var n = fork(common.fixturesDir + '/child-process-spawn-node.js', args);
+assert.deepEqual(args, ['foo', 'bar']);
 
 var messageCount = 0;