anchor.diff:      praise_1.0.0.tar.gz \
       testthat_2.0.0.tar.gz \
       lintr_1.0.2.tar.gz \
  -    clisymbols_1.2.0.tar.gz \
  -    fs_1.2.6.tar.gz \
       ini_0.3.1.tar.gz \
  -    gh_1.0.1.tar.gz \
       profmem_0.5.0.tar.gz \
       microbenchmark_1.4-4.tar.gz \
       bench_1.0.1.tar.gz 
  
positive.code:     styler_1.0.2.tar.gz \
      lintr_1.0.2.tar.gz \
      testthat_2.0.0.tar.gz \
      fs_1.2.6.tar.gz \
      reprex_0.2.0.tar.gz \
      gh_1.0.1.tar.gz \
      microbenchmark_1.4-4.tar.gz \
      bench_1.0.1.tar.gz 
  
  
negative.code:     https://archive.linux.duke.edu/cran/src/contrib/rex_1.1.2.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/stringdist_0.9.5.1.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/praise_1.0.0.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/ini_0.3.1.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/profmem_0.5.0.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/bench_1.0.1.tar.gz 
  
  RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
      modelr_0.1.2.tar.gz \
   fs_1.2.7.tar.gzprex_0.2.0.tar.gz \
      tidyverse_1.2.1.tar.gz \
      promises_1.0.1.tar.gz \
      globals_0.12.2.tar.gz \
  