anchor.diff:  RUN apt-get update && \
     apt-get -y install --no-install-recommends \
     ccache \
  +  fonts-roboto \
     libgpgme11-dev \
     liblapack-dev \
     librdf0-dev \
  
positive.code: FROM rocker/geospatial:latest
  MAINTAINER Carl Boettiger cboettig@ropensci.org 
  
  ENV PATH=/usr/lib/ccache:$PATH
  
negative.code:     seewave \
      nimble \
      jsonld \
      jsonvalidate \
      extrafontdb \
      blogdown \
      pkgdown && \
    R -e "remotes::install_github(c('hrbrmstr/hrbrthemes'), upgrade = FALSE)" && \
    echo '\n options(blogdown.hugo.dir = "/usr/local/lib/")' >> /usr/local/lib/R/etc/Rprofile.site && \
    R -e "blogdown::install_hugo()" && \
    git config --system user.name 'Carl Boettiger' && \
  