From c567a4b8f3d81c9e8f8fe6f9795e57d5b57bdcce Mon Sep 17 00:00:00 2001
From: Bruno Barbieri <bruno.barbieri@consensys.net>
Date: Fri, 6 Jul 2018 14:38:01 -0400
Subject: [PATCH] Check for changes on package-lock.json and exit with error

---
 .circleci/config.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index e7ce09371..401e3b309 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -108,6 +108,11 @@ jobs:
             if [ ! -d node_modules ]; then
               sudo npm install -g npm@6
               npm install
+              # If the package-lock.json has changed, die with an error
+              CHANGED_FILES="$(git diff --name-only package-lock.json)"
+              echo "$CHANGED_FILES" | grep --quiet "package-lock.json" && 
+              echo "Looks like package-lock.json has changed. Did you forget to include it on your PR?" && 
+              exit
             fi
       - save_cache:
           key: dependency-cache-{{ checksum "package-lock.json" }}