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#
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#
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# requiring sudo forces Travis to build in an environment with more RAM
sudo: required
language: java
# speed up builds; don't use cache with default install step
cache:
  directories:
    - $HOME/.m2
install: echo NOOP Skipping pre-fetch of Maven dependencies
jdk:
  - openjdk11
before_script:
  - unset _JAVA_OPTIONS
env:
  - BUILD_CMD="mvn clean verify javadoc:jar"  # main build of unit tests and javadoc
script:
  - $BUILD_CMD -B -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn