From 9d5a1cc37f4531cec3c12a3eaed6632eb93d1ba4 Mon Sep 17 00:00:00 2001
From: Joseph Frazier <1212jtraceur@gmail.com>
Date: Thu, 28 Dec 2017 05:43:15 -0500
Subject: [PATCH] Travis: Ensure that yarn.lock is up to date (#487)

See https://github.com/istarkov/google-map-react/pull/483#issuecomment-353480981
---
 .travis.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index b3b5250..d1b5224 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,8 @@ node_js:
 cache:
   directories:
   - node_modules
+before_script:
+  - git diff --exit-code # make sure that yarn.lock didn't change
 script:
   - yarn run lint
   - yarn test