.travis.yml

addons:
  apt:
    packages:
      - fonts-sil-doulos
      - lmodern
      - pgf
      - texlive-base
      - texlive-science
      - texlive-fonts-extra
      - texlive-fonts-recommended
      - texlive-font-utils
      - texlive-lang-greek
      - texlive-lang-czechslovak
      - texlive-latex-base
      - texlive-latex-extra
      - texlive-latex-recommended
      - texlive-math-extra
      - texlive-xetex 
# for tests
      - latex-beamer
      - python-matplotlib
      - python-numpy


before_install:
      # - sudo sed 's/deb /deb [trusted=yes] /' -i /etc/apt/sources.list /etc/apt/sources.list.d/*
  # we need poppler-utils >= 0.25
  - sudo add-apt-repository -y ppa:alexis-via/poppler-utils-backport
  - sudo apt-get update -qy --allow-unauthenticated || true
  - sudo apt-get install --allow-unauthenticated -y poppler-utils

install:

before_script:

script:
  - make test

after_failure:
  # set to true only if you need all PNGs, not only diffs
  - SHOW_ALL_PNG=false
  # to reduce output size
  - ${SHOW_ALL_PNG} || cat ./tests/out/*.log
  - echo "MARK"
  - ${SHOW_ALL_PNG} || tar cj ./tests/out/*-diff.png | base64
  - ${SHOW_ALL_PNG} && tar cj ./tests/out/*.png | base64
  - echo "MARK"
  - echo "Test failed, `cat MARK/MARK | base64 -d | tar xj` to see respective diff PNGs"