From cdbd120589ccdf076a629f861764ec0c682a1f57 Mon Sep 17 00:00:00 2001
From: kyle <shockey@users.noreply.github.com>
Date: Tue, 22 May 2018 17:05:56 -0700
Subject: [PATCH] build: exit early if only documentation is being updated
 (#4583)

---
 .travis.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 36288736..86fbfb76 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,15 @@ branches:
   - master
   - /^v\d+\.\d+(\.\d+)?(-\S*)?$/
 install: "npm i && npm update"
+before_install:
+- | # quickly pass if only documentation is being updated
+    if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
+      TRAVIS_COMMIT_RANGE="FETCH_HEAD...$TRAVIS_BRANCH"
+    fi
+    git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qvE '(\.md$)|(^(docs|examples))/' || {
+      echo "Only docs were updated, stopping build process."
+      exit
+    }
 before_deploy:
   - npm run build
 env: