.travis.yml

# using suggestions from:
#   github.com/jtilly/R-travis-container-example/blob/master/.travis.yml
#   kieranhealy.org/blog/archives/2015/10/16/using-containerized-travis-ci-to-check-r-in-rmarkdown-files/
#   gist.github.com/willprice/e07efd73fb7f13f917ea

language: r
#r:
#  - release
#  - devel

cache:
  directories:
    - ${HOME}/R-bin/lib/R/library
    - ${HOME}/R/Library

# use containers (so no sudo)
sudo: false

# trigger on pushes to master branch
branches:
  only:
   - master

# really would prefer r lang pre-installed with all packages here
# install R: use r-packages-precise (https://cran.r-project.org/bin/linux/ubuntu/precise/) 
# as source which is white listed (https://github.com/travis-ci/apt-source-whitelist/)
#addons:
#  apt:
#    sources:
#    - r-packages-precise
#    packages:
#    - r-base-dev	
#    - r-recommended

# - install package with dependencies
install:
  - echo R_LIBS is ${R_LIBS} # empty and not set in R startup
  - echo R_LIBS_SITE is ${R_LIBS_SITE}#/usr/local/lib/R/site-library:/usr/lib/R/site-library
  - echo R_LIB_USER is ${R_LIB_USER} # empty but set to /home/travis/R/Library in R startup
  - echo R_HOME is ${R_HOME} 
  - which R   #/home/travis/R-bin/bin/R
  - echo 'options(repos = "http://cran.r-project.org")' > .Rprofile
  - Rscript -e 'update.packages( ask=FALSE)'
  - Rscript -e 'library() ; .libPaths() '
  - Rscript -e 'Sys.getenv(c("R_HOME","R_LIBS" ,"R_LIBS_USER","R_LIBS_SITE"))'
#  - ls ${HOME}/R/Library
#  - ls ${HOME}/R-bin/
#  - ls ${HOME}/R-bin/library
#  - ls ${HOME}/R-bin/site-library
#  - ls ${HOME}/R-bin/lib

# run checks
script:
  - OS_TAG=`uname -i`_`uname -o`
  - OS_TAG=${OS_TAG////-}  # rm / from name for file

  - cd ${HOME}/build/pdgilbert/

#  - git clone --depth=10 --branch=${OS_TAG} https://${GITHUB_TOKEN}@github.com/pdgilbert
#  only need ${OS_TAG} and master but ...
  - git clone https://${GITHUB_TOKEN}@github.com/pdgilbert/2piQA.git  ${OS_TAG}
  - cd ${OS_TAG}
  - git checkout  ${OS_TAG}

  - CHANGE=`git diff-tree --no-commit-id --name-only -r ${TRAVIS_COMMIT}`
  - echo CHANGE would be  ${CHANGE}
  - CHANGE='R/PkgSnippets/dse/1stSnippetTest/fail1.R R/PkgSnippets/dse/2ndSnippetTest/SnippetDescription.txt'

  - uname -rio               >KERNEL_VERSION
  - echo ${TRAVIS_COMMIT}    >TRAVIS_COMMIT
  - echo ${TRAVIS_OS_NAME}   >TRAVIS_OS_NAME
  - echo ${TRAVIS_R_VERSION} >TRAVIS_R_VERSION

  - git config --global user.email "travis@travis-ci.org"
  - git config --global user.name "Travis CI"
  - git config --global push.default simple #to squelch warning message

  - git add KERNEL_VERSION TRAVIS_COMMIT TRAVIS_OS_NAME TRAVIS_R_VERSION
  - git commit -m "add records of system info."

#  pull with rebase might be preferred here?
  - git merge -s recursive -X theirs master -m "updated snippet files (from master into branch)." 

#  loop is for case of changes in multiple snippet dirs
  - (cd R/ ; for f in $CHANGE ; do ./SnippetTestFile ${f} ; done )


after_success:
  - git push # origin HEAD:${OS_TAG}
#  - git push --quiet --set-upstream

# send e-mails on changes
#notifications:
#  email:
#    on_success: change
#    on_failure: change