.travis.yml in kaminari-1.1.1 vs .travis.yml in kaminari-1.2.0

@@ -1,15 +1,25 @@
 language: ruby
 
+dist: xenial
+
+services:
+  - postgresql
+  - mysql
+
 rvm:
-  - 2.4.2
-  - 2.3.5
-  - ruby-head
-  - jruby-9.1.13.0
+  - 2.7.0
+  - 2.6.3
+  - 2.5.5
+  - 2.4.5
+  - 2.3.8
+  - jruby-9.2.9.0
   # - rbx-3
 
 gemfile:
+  - gemfiles/active_record_60.gemfile
+  - gemfiles/active_record_52.gemfile
   - gemfiles/active_record_51.gemfile
   - gemfiles/active_record_50.gemfile
   - gemfiles/active_record_42.gemfile
   - gemfiles/active_record_41.gemfile
   - gemfiles/active_record_edge.gemfile
@@ -17,40 +27,72 @@
 env:
   - DB=sqlite3
   - DB=postgresql
   - DB=mysql
 
-sudo: false
-
 before_install:
-  - gem update --system
-  - gem update bundler --no-document
+  # install older versions of rubygems and bundler only on Ruby < 2.7
+  - if [ `echo "${TRAVIS_RUBY_VERSION:0:3} < 2.7" | bc` == 1 ]; then gem i rubygems-update -v '<3' && update_rubygems; fi;
+  - if [ `echo "${TRAVIS_RUBY_VERSION:0:3} < 2.7" | bc` == 1 ]; then gem i bundler -v '<2'; fi;
 script: 'bundle exec rake test'
 
 cache: bundler
 
 matrix:
   exclude:
-    - rvm: 2.4.2
+    - rvm: 2.7.0
+      gemfile: gemfiles/active_record_52.gemfile
+    - rvm: 2.7.0
+      gemfile: gemfiles/active_record_51.gemfile
+    - rvm: 2.7.0
+      gemfile: gemfiles/active_record_50.gemfile
+    - rvm: 2.7.0
       gemfile: gemfiles/active_record_42.gemfile
-    - rvm: 2.4.2
+    - rvm: 2.7.0
       gemfile: gemfiles/active_record_41.gemfile
+    - rvm: 2.6.3
+      gemfile: gemfiles/active_record_42.gemfile
+    - rvm: 2.6.3
+      gemfile: gemfiles/active_record_41.gemfile
+    - rvm: 2.5.5
+      gemfile: gemfiles/active_record_42.gemfile
+    - rvm: 2.5.5
+      gemfile: gemfiles/active_record_41.gemfile
+    - rvm: 2.4.5
+      gemfile: gemfiles/active_record_edge.gemfile
+    - rvm: 2.4.5
+      gemfile: gemfiles/active_record_60.gemfile
+    - rvm: 2.4.5
+      gemfile: gemfiles/active_record_42.gemfile
+    - rvm: 2.4.5
+      gemfile: gemfiles/active_record_41.gemfile
+    - rvm: 2.3.8
+      gemfile: gemfiles/active_record_edge.gemfile
+    - rvm: 2.3.8
+      gemfile: gemfiles/active_record_60.gemfile
     - rvm: ruby-head
       gemfile: gemfiles/active_record_42.gemfile
     - rvm: ruby-head
       gemfile: gemfiles/active_record_41.gemfile
+    - rvm: jruby-9.2.9.0
+      gemfile: gemfiles/active_record_42.gemfile
+    - rvm: jruby-9.2.9.0
+      gemfile: gemfiles/active_record_41.gemfile
   include:
-    - rvm: 2.2.8
+    - rvm: ruby-head
+      gemfile: gemfiles/active_record_edge.gemfile
+      env: DB=sqlite3
+    - rvm: 2.2.10
       gemfile: gemfiles/active_record_51.gemfile
       env: DB=sqlite3
     - rvm: 2.1.10
       gemfile: gemfiles/active_record_42.gemfile
       env: DB=sqlite3
     - rvm: 2.0.0
       gemfile: gemfiles/active_record_42.gemfile
       env: DB=sqlite3
   allow_failures:
     - rvm: ruby-head
-    - rvm: jruby-9.1.13.0
+    - rvm: jruby-9.2.9.0
     # - rvm: rbx-3
     - gemfile: gemfiles/active_record_edge.gemfile
   fast_finish: true