.travis.yml

# trusty beta image has jdk8, gcc4.8.4
dist: xenial
sudo: required
# xcode8 has jdk8
osx_image: xcode10.1
# Not technically required but suppresses 'Ruby' in Job status message.
language: java

os:
  - linux
  - osx

env:
  - V=0.22.0

before_install:
  - |
    if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then
      OS=darwin
    else
      sysctl kernel.unprivileged_userns_clone=1
      OS=linux
      # C++17
      sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
      sudo apt-get update -qq
    fi
    URL="https://github.com/bazelbuild/bazel/releases/download/${V}/bazel-${V}-installer-${OS}-x86_64.sh"
    wget -O install.sh "${URL}"
    chmod +x install.sh
    ./install.sh --user
    rm -f install.sh

install: 
  # C++17
  - |
    if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then 
      sudo apt-get install -qq g++-7
      sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 90
    fi

script:
  - bazel build ...

notifications:
  email: false