Use language:R

.travis.yml

@@ -1,45 +1,17 @@
-language: c
+language: R
-sudo: false
+cache:
+  packages: []
+  directores: [vendor/bundle]
 
 addons:
   apt:
-    sources:
-      - r-packages-precise
     packages:
-      - r-base-dev
-      - r-recommended
       - libxml2-dev
 
-env:
-  global:
-    - R_LIBS_USER=$HOME/R/library
-
-cache:
-  directories:
-    - $R_LIBS_USER
-    - vendor/bundle
-    - $HOME/.ccache
-
-install:
-  # Install binary pandoc from Rstudio
-  - mkdir $HOME/pandoc
-  - curl -O https://s3.amazonaws.com/rstudio-buildtools/pandoc-1.12.3.zip
-  - unzip -j pandoc-1.12.3.zip pandoc-1.12.3/linux/debian/x86_64/pandoc
-      -d $HOME/pandoc
-  - chmod +x $HOME/pandoc/pandoc
-  - rm pandoc-1.12.3.zip
-  - export PATH="$HOME/pandoc:$PATH"
-  - pandoc --version
-
 # Install ruby gems
+before_script:
   - bundle install --jobs=3 --retry=3 --deployment
 
-  # Install R packages
-  - mkdir -p "$R_LIBS_USER"
-  - Rscript -e 'if (length(find.package("devtools", quiet = TRUE)) == 0L) { install.packages("devtools", repos = "http://cran.rstudio.com") }'
-  - Rscript -e 'devtools::install_github("hadley/devtools")'
-  - Rscript -e 'devtools::install_deps(repos = "http://cran.rstudio.com", dependencies = TRUE)'
-
 script: bundle exec jekyll build
 
 after_success: