From 702259d48365125435f4bc2622fe2f37c6290f84 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Mon, 26 Sep 2016 05:29:13 +0200
Subject: [PATCH] Only exit if the TRAVIS_COMMIT_RANGE  is not empty (#4565)

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index ce5ce6aa8433..a87482cfdfa3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ cache:
   - node_modules
 before_install:
 - |
-    git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qvE '(\.md$)|(^(doc))/' || {
+    [ "$TRAVIS_COMMIT_RANGE" = "" ] || git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qvE '(\.md$)|(^(doc))/' || {
       echo "Only docs were updated, stopping build process."
       exit
     }