From e6fd4bea35d311f9d2a3569fb0165bbaaf9c593b Mon Sep 17 00:00:00 2001
From: Yamagishi Kazutoshi <ykzts@desire.sh>
Date: Tue, 16 Jan 2018 14:15:28 +0900
Subject: [PATCH] Stop duplicate CI with Pull Request (#6265)

see also https://blog.travis-ci.com/2012-08-13-build-workflow-around-pull-requests
---
 .travis.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 777ca581cb..59d495c433 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,9 @@ cache:
   - tmp/cache/babel-loader
 dist: trusty
 sudo: required
+branches:
+  only:
+  - master
 
 notifications:
   email: false