From 2c151151511a08cc2a76bcb79b74636f7ed51f4d Mon Sep 17 00:00:00 2001
From: Richard Lau <riclau@uk.ibm.com>
Date: Thu, 18 Apr 2019 12:49:32 -0400
Subject: [PATCH] fixup! build: add Travis job to check for dead URL links

---
 .travis.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index e7abc39c16c4a6..802950a39ec79c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -78,6 +78,7 @@ jobs:
         - NODE=$(which node) make lint lint-py
 
     - name: "Docs"
+      if: type = pull_request
       language: node_js
       node_js: "node"
       install:
@@ -85,7 +86,12 @@ jobs:
         - make doc-only
         - npm install -g linkinator
       script:
-        - linkinator out/doc/api -r
+        - if [ "${TRAVIS_PULL_REQUEST}" != "false" ]; then
+            DOC_FILES=`curl -sL https://github.com/nodejs/node/pull/${TRAVIS_PULL_REQUEST}.patch | grep -o '\bdoc/api/.*\.md\b'`
+            if [ -n "${DOC_FILES}" ]; then
+              linkinator out/doc/api -r;
+            fi
+          fi
 
     - name: "First commit message adheres to guidelines at <a href=\"https://goo.gl/p2fr5Q\">https://goo.gl/p2fr5Q</a>"
       if: type = pull_request