From 751ac28b7f13bfeff2a0e920ca2926a005dcb6f0 Mon Sep 17 00:00:00 2001
From: Tobias Bieniek <Tobias.Bieniek@gmx.de>
Date: Tue, 15 Oct 2013 10:47:20 +0200
Subject: [PATCH] dependencies: Set `tunnel-agent` as optional dependency

---
 package.json | 2 +-
 request.js   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/package.json b/package.json
index 3ef653f2b..9c9202f4a 100755
--- a/package.json
+++ b/package.json
@@ -24,13 +24,13 @@
     "qs": "~0.6.0",
     "json-stringify-safe": "~5.0.0",
     "forever-agent": "~0.5.0",
-    "tunnel-agent": "~0.3.0",
     "tough-cookie": "~0.9.15",
     "node-uuid": "~1.4.0",
     "mime": "~1.2.9",
     "form-data": "~0.1.0"
   },
   "optionalDependencies": {
+    "tunnel-agent": "~0.3.0",
     "http-signature": "~0.10.0",
     "oauth-sign": "~0.3.0",
     "hawk": "~1.0.0",
diff --git a/request.js b/request.js
index 763a9d240..ab5e46caf 100644
--- a/request.js
+++ b/request.js
@@ -15,7 +15,7 @@ var optional = require('./lib/optional')
   , httpSignature = optional('http-signature')
   , uuid = require('node-uuid')
   , mime = require('mime')
-  , tunnel = require('tunnel-agent')
+  , tunnel = optional('tunnel-agent')
   , _safeStringify = require('json-stringify-safe')
 
   , ForeverAgent = require('forever-agent')
@@ -94,7 +94,7 @@ function Request (options) {
     this.explicitMethod = true
   }
 
-  this.canTunnel = options.tunnel !== false;
+  this.canTunnel = options.tunnel !== false && tunnel;
 
   this.init(options)
 }