language: c

dist: bionic

# https://docs.travis-ci.com/user/caching/
cache:
  ccache: true
  directories:
    - vendor/nimbus-build-system/vendor/Nim/bin
    - jsonTestsCache

git:
  # when multiple CI builds are queued, the tested commit needs to be in the last X commits cloned with "--depth X"
  depth: 10

matrix:
  include:
    # Due to Travis new pricing we want to dedicate the resources we have
    # for ARM64 testing, hence Linux/Mac on AMD are commented out
    # https://blog.travis-ci.com/2020-11-02-travis-ci-new-billing
    #
    # - os: linux
    #   arch: amd64
    #   sudo: required
    #   env:
    #     - NPROC=2
    #   before_install:
    #     - export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
    # - os: osx
    #   before_install:
    #     - HOMEBREW_NO_AUTO_UPDATE=1 HOMEBREW_NO_INSTALL_CLEANUP=1 brew install ccache
    #   env:
    #     - NPROC=2
    - dist: bionic
      arch: arm64
      sudo: required
      env:
        - NPROC=6 # Worth trying more than 2 parallel jobs: https://travis-ci.community/t/no-cache-support-on-arm64/5416/8
        # (also used to get a different cache key than the amd64 one)
      before_install:
        - export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
        - sudo apt-get -q update
        - sudo apt-get install -y libpcre3-dev

  #allow_failures:
    ## ARM64 is a bit buggy: https://travis-ci.community/t/no-output-has-been-received-and-then-build-terminated-on-arm64/8834
    #- arch: arm64


install:
  # spec test fixtures
  - scripts/setup_scenarios.sh jsonTestsCache

script:
  - set -e # fail fast
  # Building Nim-1.0.4 takes up to 10 minutes on Travis - the time limit after which jobs are cancelled for having no output
  - make -j${NPROC} NIMFLAGS="--parallelBuild:2" V=1 update # to allow a newer Nim version to be detected
  - make -j${NPROC} NIMFLAGS="--parallelBuild:2" LOG_LEVEL=TRACE
  - make -j${NPROC} NIMFLAGS="--parallelBuild:2" DISABLE_TEST_FIXTURES_SCRIPT=1 test