message: switching r linux build to bionic again
diff: @@ -574,7 +574,7 @@ matrix:
  name: R Package
  if: (type = push AND branch = master) OR type = pull_request OR tag =~ /^v\d+\.\d+\.\d+$/
  - dist: xenial
  + dist: bionic
  language: r
  r: devel
  cache: packages
  