.travis.yml

dist: trusty
sudo: false

language: node_js
node_js:
  - "12"

before_script:
  - export BOOK_BUILD_DIR="${TRAVIS_BUILD_DIR}"/_book
  - env | sort

script:
  - npm run build
  # Make sure the book built.
  - |
      book_check_file="${BOOK_BUILD_DIR}/index.html"
      if [[ ! -f  "${book_check_file}" ]]; then
          echo "${book_check_file} not found"
          exit 1
      fi

after_success:
    - |
        if [[ "${TRAVIS_BRANCH}" == master && "${TRAVIS_PULL_REQUEST}" == false ]]; then
            # Commits to master that are not pull requests, that is, only
            # actual addition of code to master, should deploy the book to
            # the site.
            bash "${TRAVIS_BUILD_DIR}"/tools/deploy/update_site_travis.bash
        fi