JRuby builds

Author: JonRowe

ci/.github/workflows/ci.yml

@@ -11,7 +11,7 @@ on:
 jobs:
   test:
     name: Ruby ${{ matrix.ruby }} ${{ matrix.name_extra || '' }}
-    runs-on: ubuntu-20.04
+    runs-on: ${{ matrix.os || 'ubuntu-20.04' }}
     strategy:
       matrix:
         ruby:
@@ -28,6 +28,14 @@ jobs:
           -
             DIFF_LCS_VERSION: "> 1.4.3"
         include:
+          - ruby: jruby-9.2.13.0
+            env:
+              JRUBY_OPTS: "--dev"
+          - ruby: jruby-9.1.17.0
+            bundler: 1
+            os: ubuntu-18.04
+            env:
+              JRUBY_OPTS: "--dev"
           - ruby: 2.7
             name_extra: "with diff-lcs 1.3"
             env:
@@ -37,12 +45,12 @@ jobs:
             env:
               DIFF_LCS_VERSION: "1.4.3"
       fail-fast: false
-    continue-on-error: ${{ matrix.ruby == 'jruby-9.2.13.0' || endsWith(matrix.ruby, 'head') }}
+    continue-on-error: ${{ matrix.allow_failure || endsWith(matrix.ruby, 'head') }}
     steps:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          bundler: ${{ (matrix.ruby == 'jruby-9.1.17.0' && 1) || 2 }}
+          bundler: ${{ matrix.bundler || 2 }}
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - run: script/update_rubygems_and_install_bundler

ci/.travis.yml

@@ -18,7 +18,6 @@ rvm:
   - 2.0.0
   - ree
   - rbx-3
-  - jruby-9.1.7.0 # pin JRuby to this until travis/rvm can install later versions
   - jruby-head
   - jruby-1.7
 env: