Merge pull request #473 from gogainda/patch-1

Add TruffleRuby to CI builds

Author: RobinDaugherty

Diff for: .travis.yml

@@ -14,6 +14,7 @@ rvm:
   - 2.6.5
   - 2.7.0
   - ruby-head
+  - truffleruby-head
 gemfile:
   - gemfiles/rails42.gemfile
   - gemfiles/rails50.gemfile
@@ -96,3 +97,15 @@ matrix:
       gemfile: gemfiles/rails42_boc.gemfile
     - rvm: ruby-head
       gemfile: gemfiles/rails42_haml.gemfile
+    - rvm: truffleruby-head
+      gemfile: gemfiles/rails42_boc.gemfile
+    - rvm: truffleruby-head
+      gemfile: gemfiles/rails50_boc.gemfile
+    - rvm: truffleruby-head
+      gemfile: gemfiles/rails51_boc.gemfile
+    - rvm: truffleruby-head
+      gemfile: gemfiles/rails52_boc.gemfile
+    - rvm: truffleruby-head
+      gemfile: gemfiles/rails60_boc.gemfile
+    - rvm: truffleruby-head
+      gemfile: gemfiles/rack_boc.gemfile