os:
  - linux
  - osx

rvm:
  - rbx-3
  - 2.4
  - 2.5
  - 2.6
  - ruby-head

sudo: false

cache: bundler

before_install:
  - "echo 'gem: --no-document' > ~/.gemrc"
  - gem install bundler

before_script:
  - 'export JAVA_OPTS="${JAVA_OPTS_FOR_SPECS}"'

env:
  global:
  matrix:
    - CHILDPROCESS_POSIX_SPAWN=true CHILDPROCESS_UNSET=should-be-unset
    - CHILDPROCESS_POSIX_SPAWN=false CHILDPROCESS_UNSET=should-be-unset

matrix:
  allow_failures:
    - rvm: rbx-3
    - rvm: ruby-head
    - env: "CHILDPROCESS_POSIX_SPAWN=true"
  include:
  - rvm: jruby-9.2.5.0
    jdk: openjdk11
    env: "JAVA_OPTS_FOR_SPECS='--add-opens java.base/java.io=org.jruby.dist --add-opens java.base/sun.nio.ch=org.jruby.dist'"