Cache bundle between builds.

woodhull · woodhull · commit 47d0e788b660 · 2020-05-05T15:34:14.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,7 @@
 language: ruby
 rvm:
   - "2.6.6"
+cache: bundler
 before_install:
   - gem install bundler
 script: ./ci_build.sh
