anchor.diff:     whisker_0.3-2.tar.gz \
      git2r_0.25.2.tar.gz \
      fs_1.2.7.tar.gz \
  +   ini_0.3.1.tar.gz \
  +   jsonlite_1.6.tar.gz \
  +   httr_1.4.0.tar.gz \
      gh_1.0.1.tar.gz \
      curl_3.3.tar.gz \
      clipr_0.5.0.tar.gz \
      clisymbols_1.2.0.tar.gz \   
      usethis_1.4.0.tar.gz \
  -   jsonlite_1.6.tar.gz \
      memoise_1.1.0.tar.gz \
      bitops_1.0-6.tar.gz \
      RCurl_1.95-4.12.tar.gz \
  
positive.code:    https://archive.linux.duke.edu/cran/src/contrib/xml2_1.2.0.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/curl_3.3.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/jsonlite_1.6.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/downloader_0.4.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/memoise_1.1.0.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/plyr_1.8.4.tar.gz \
  
negative.code:     praise_1.0.0.tar.gz \
      testthat_2.0.0.tar.gz \
      lintr_1.0.2.tar.gz \
      profmem_0.5.0.tar.gz \
      microbenchmark_1.4-4.tar.gz \
      bench_1.0.1.tar.gz 
  