version: 2
jobs:
 build:
   machine: true
   steps:
     - checkout
     - run: |
            make r-ver 
            make rstudio 
            make tidyverse 
            make verse 
            docker run -ti -v $(pwd):/tmp -w /tmp rocker/verse ./tests.sh 
            docker build -t r-ver:3.2.0 r-ver/3.2.0 
            docker run -ti r-ver:3.2.0 R -e 'stopifnot(R.version$major == "3"); stopifnot(R.version$minor == "2.0")'