language: r
cache:
  packages: true
  directories:
    - $HOME/.TinyTeX
latex: false

env:
  global:
    - _R_CHECK_TESTS_NLINES_=0 PATH=$HOME/bin:$PATH

addons:
  apt:
    packages:
    - ghostscript

before_install:
  - wget -qO- https://github.com/yihui/tinytex/raw/master/tools/download-travis-linux.sh | sh