.travis.yml

services:
  - docker

env:
  - CI=travis

before_install:
  # Update GNU Make to a version that supports output grouping of parallel executed targets
  - |
    ( \
      test -d ~/.make/make-4.1 || \
      ( \
        mkdir -p ~/.make && \
        pushd ~/.make && wget http://ftp.gnu.org/gnu/make/make-4.1.tar.gz && \
        tar xvf make-4.1.tar.gz && cd make-4.1 && \
        ./configure && make && popd \
      ) \
    ) && pushd ~/.make/make-4.1 && sudo make install && sudo ln -sf /usr/local/bin/make /usr/bin/make && popd

before_script:
  - docker login -u $DOCKER_USERNAME -p $DOCKER_PASSWORD
 # Export travis interal functions for folding and timing based on: http://www.garbers.co.za/2017/11/01/code-folding-and-timing-in-travis-ci/
  - export -f travis_nanoseconds
  - export -f travis_fold
  - export -f travis_time_start
  - export -f travis_time_finish

script:
    - make --keep-going -j --output-sync=recurse publish

branches:
  only:
    - master

cache:
  directories:
    ~/.make