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:
    - os: linux
      arch: amd64
      sudo: required
      env:
        - NPROC=2
      before_install:
        - export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
    #- os: linux
      #arch: arm64
      #sudo: required
      #env:
        #- NPROC=6 # Worth trying more than 2 parallel jobs: https://travis-ci.community/t/no-cache-support-on-arm64/5416/8
        ## (also used to get a different cache key than the amd64 one)
      #before_install:
        #- export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
        #- sudo apt-get -q update
        #- sudo apt-get install -y libpcre3-dev
    - os: osx
      before_install:
        - HOMEBREW_NO_AUTO_UPDATE=1 HOMEBREW_NO_INSTALL_CLEANUP=1 brew install ccache
      env:
        - NPROC=2
  #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:
  # official test fixtures
  - scripts/setup_official_tests.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${NPROC} NIMFLAGS="--parallelBuild:2 -d:testnet_servers_image" LOG_LEVEL=TRACE nimbus_beacon_node
  - make -j${NPROC} NIMFLAGS="--parallelBuild:2" DISABLE_TEST_FIXTURES_SCRIPT=1 test