From 68886d70953cf40640ceb2a1494d36e3ffbe0e7c Mon Sep 17 00:00:00 2001
From: Iuri Matias <iuri.matias@gmail.com>
Date: Fri, 15 Dec 2017 16:39:13 -0500
Subject: [PATCH] add error for reference issues

---
 lib/contracts/deploy.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/contracts/deploy.js b/lib/contracts/deploy.js
index dfb6bf24..bb001314 100644
--- a/lib/contracts/deploy.js
+++ b/lib/contracts/deploy.js
@@ -115,6 +115,9 @@ class Deploy {
           deployedAddress = deployedAddress.substr(2);
         }
         let linkReference = '__' + filename + ":" + contractObj.className;
+        if (linkReference.length > 40) {
+          return callback(new Error(linkReference + " is too long, try reducing the path of the contract (" + filename + ") and/or its name " + contractObj.className));
+        }
         let toReplace = linkReference + "_".repeat(40 - linkReference.length);
         if (contractCode.indexOf(linkReference) >= 0 && deployedAddress === undefined) {
           let libraryName = contractObj.className;