From 37bd36bd00c9d6be2a6c74437815b64c25b34152 Mon Sep 17 00:00:00 2001
From: Bryce Kahle <bkahle@gmail.com>
Date: Tue, 12 Dec 2017 14:18:01 -0800
Subject: [PATCH] Install npm modules if any of the npm lock files change

Fixes #113
---
 run-build-functions.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/run-build-functions.sh b/run-build-functions.sh
index 8223d0e8..111ff23a 100755
--- a/run-build-functions.sh
+++ b/run-build-functions.sh
@@ -106,7 +106,9 @@ run_npm() {
     fi
   fi
 
-  if install_deps package.json $NODE_VERSION $NETLIFY_CACHE_DIR/package-sha
+  if install_deps package.json $NODE_VERSION $NETLIFY_CACHE_DIR/package-sha || \
+     install_deps package-lock.json $NODE_VERSION $NETLIFY_CACHE_DIR/package-lock-sha || \
+     install_deps npm-shrinkwrap.json $NODE_VERSION $NETLIFY_CACHE_DIR/package-shrinkwrap-sha
   then
     echo "Installing NPM modules using NPM version $(npm --version)"
     run_npm_set_temp
@@ -118,6 +120,14 @@ run_npm() {
     fi
 
     echo "$(shasum package.json)-$NODE_VERSION" > $NETLIFY_CACHE_DIR/package-sha
+    if [ -f package-lock.json ]
+    then
+      echo "$(shasum package-lock.json)-$NODE_VERSION" > $NETLIFY_CACHE_DIR/package-lock-sha
+    fi
+    if [ -f npm-shrinkwrap.json ]
+    then
+      echo "$(shasum npm-shrinkwrap.json)-$NODE_VERSION" > $NETLIFY_CACHE_DIR/package-shrinkwrap-sha
+    fi
   fi
   export PATH=$(npm bin):$PATH
 }