.travis.yml

dist: trusty
sudo: required
language: ruby # for Jekyll
rvm:
  - 2.2
gemfile: gh-pages/Gemfile
cache: bundler
branches:
  only:
    - master
    # tags
    - /^v\d+\.\d+(\.\d+)?(-\S*)?$/
before_install:
  # LaTeX stuff
  - |
    sudo apt-get install -qq --no-install-recommends texlive \
      texlive-latex-extra texlive-xetex \
      latex-beamer ghostscript \
      fonts-lmodern fonts-droid fonts-noto
  - xelatex --version
  # Test toolkits
  - python --version # need ~2.7.12 for adequate TLS; does not work with trusty's default 2.7.6
  # Dirty hack for what seems like a bug in linkchecker
  - |
    pip install --user linkchecker && \
      find ~/.local/lib -regex '.*/linkcheck/__init__.py' -print0 | \
      xargs -0 sed -i -e "s/requests.__version__ <= '2.2.0'/map(int, requests.__version__.split('.')) <= [2, 2, 0]/"
  - ~/.local/bin/linkchecker --version
  - pip install --user html5validator
  - ~/.local/bin/html5validator --version
  # Markdown linter
  - gem install mdl --bindir ~/.local/bin
  - ~/.local/bin/mdl --version

script:
  - make LECTURE_FONTS=noto+droid -j 2 all-beamer
  # On this step, we want to test a Jekyll build only, hence the NOFILES flag.
  # We shouldn't care if the previous step fails
  - make GH_PAGES_NOFILES=1 test
  # Kill Jekyll if the previous command exited prematurely
  - make gh-kill

before_deploy:
  - make clean-gh
deploy:
  provider: pages
  skip_cleanup: true
  local_dir: gh-pages
  github_token: $GITHUB_TOKEN
  fqdn: lectures.ostrov.ski
  on:
    tags: true