.travis.yaml: only build the master branch

ericchiang · ericchiang · commit 0512bfc129a2 · 2018-07-26T00:52:03.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -30,3 +30,7 @@ script:
 
 notifications:
   email: false
+
+branches:
+  only:
+  - master
