Update travis.

And test on all 3 R versions
r-lib · Jun 14, 2016 · 1647b0a · 1647b0a
1 parent 67f6d00
commit 1647b0a
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,13 @@
-language: r
+# R for travis: see documentation at https://docs.travis-ci.com/user/languages/r
 
-after_success:
-  - Rscript -e 'covr::codecov()'
+language: R
+sudo: false
+cache: packages
+
+r:
+  - oldrel
+  - release
+  - devel
 
 env:
   global: