update travis to test old versions (R 3.6.3 and R 4.0.1)

TomKellyGenetics · Jun 15, 2020 · 9b66516 · 9b66516
1 parent 842c7a3
commit 9b66516
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,27 @@
 language: R
 cache: packages
+
+matrix:
+  include:
+    - os: linux
+      r: oldrel
+    - os: linux
+      r: release
+    - os: linux
+      r: devel
+    - os: osx
+      r: oldrel
+    - os: osx
+      r: release
+    - os: osx
+      r: devel
+
+matrix:
+  include:
+    - r: oldrel
+    - r: release
+    - r: devel
+
 before_install:
   - sudo apt-get install tk
 r_packages: