.travis.yml

# it is not really python, but there is no R support on Travis CI yet
language: python

# environment variables
env:
  global:
    - R_LIBS_USER=~/R
  matrix:
    - TARGET=travis
    - TARGET=integration DISPLAY=:99.0

# capturing state, early exit if no integration test is needed
before_install:
  - env | sort
  - if [ ${TARGET} = integration ]; then
      if ! make integration-need; then
        echo "NOTE:"" Integration test skipped. To enable, create a branch named ${TRAVIS_BRANCH} in ${TRAVIS_REPO_SLUG}-examples.";
        exit 0;
      fi;
    fi

# install dependencies
install:
  - sudo apt-add-repository -y "deb http://cran.rstudio.com/bin/linux/ubuntu `lsb_release -cs`/"
  - sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E084DAB9
  - sudo apt-add-repository -y ppa:marutter/c2d4u
  - sudo apt-get update
  - sudo apt-get install r-base-dev r-cran-xml r-cran-rcurl r-cran-rgl r-recommended
  - "[ ! -d ${R_LIBS_USER} ] && mkdir ${R_LIBS_USER}"
  - R --version
  - R -e '.libPaths(); sessionInfo()'
  - Rscript -e 'install.packages("knitr", dep = TRUE, repos = c("http://rforge.net", "http://cran.rstudio.org"))'

# run tests
script:
  - make ${TARGET}