From 03048fbb730ba6fee6094000ace446c4f78fa064 Mon Sep 17 00:00:00 2001
From: Tom Benner <tombenner@gmail.com>
Date: Sun, 13 Dec 2015 22:11:52 -0800
Subject: [PATCH] Prevent 'Invalid Version' when Go patch number is missing

---
 build/gocommand.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/build/gocommand.js b/build/gocommand.js
index d6127a586..e5c694f4b 100644
--- a/build/gocommand.js
+++ b/build/gocommand.js
@@ -98,10 +98,15 @@ function checkGoVersion() {
           deferred.reject(new Error('Go version not found.'));
           return;
         }
-        if (semver.lt(match[0], minGoVersion)) {
+        let currentGoVersion = match[0];
+        // semver requires a patch number, so we'll append '.0' if it isn't present.
+        if (currentGoVersion.split('.').length === 2) {
+          currentGoVersion = `${currentGoVersion}.0`;
+        }
+        if (semver.lt(currentGoVersion, minGoVersion)) {
           deferred.reject(
               new Error(
-                  `The current go version "${match[0]}" is older than ` +
+                  `The current go version "${currentGoVersion}" is older than ` +
                   `the minimum required version "${minGoVersion}". ` +
                   `Please upgrade your go version!`));
           return;
-- 
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