Limit travis-ci.com to master branch

fr00b0 · fr00b0 · commit 277ac344f234 · 2021-07-12T16:32:05.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,10 @@ sudo: required
 dist: trusty
 language: cpp
 
+branches:
+  only:
+    - master
+
 matrix:
   include:
     - compiler: gcc
