fix littler install2.r use

rstudio/Dockerfile

@@ -59,9 +59,6 @@ RUN apt-get update \
            \n exec /usr/lib/rstudio-server/bin/rserver --server-daemonize 0' \
            > /etc/services.d/rstudio/run
 
-## Temp measure for RStudio bug(?) https://support.rstudio.com/hc/en-us/community/posts/245035627-RStudio-erroneously-asks-to-install-build-tools-when-they-are-already-installed
-RUN rm -rf /etc/R/*.site && DEBIAN_FRONTEND=noninteractive && apt-get update && apt-get -y install --no-install-recommends r-base-core
-
 COPY userconf.sh /etc/cont-init.d/conf
 EXPOSE 8787
 

tidyverse/Dockerfile

@@ -7,17 +7,16 @@ RUN apt-get update -qq && apt-get -y --no-install-recommends install \
   libmariadbd-dev \
   libmariadb-client-lgpl-dev \
   libpq-dev \
+  liblzma-dev \
+  libpcre3-dev \
+  libbz2-dev \
   ## install these packages from date-locked MRAN snapshot of CRAN
   && [ -z "$BUILD_DATE" ] && BUILD_DATE=$(date -I --date='TZ="America/Los_Angeles"') || true \
-  ## use an install script so installation failures are errors, not warnings.
-  ## In this script, REPOS and DEPS arguments are set via env vars, package names given as arguments
-  && wget https://raw.githubusercontent.com/rocker-org/rocker-versioned/master/tidyverse/install.r -O /usr/local/bin/install.r \
-  && chmod +x /usr/local/bin/install.r \
-  ## grab a devtools dependency which is not on CRAN:
-  && export REPOS=http://www.bioconductor.org/packages/release/bioc \
-  && install.r BiocInstaller \
-  ## Keep track of the MRAN version, so downstream Dockerfiles can build from this snapshot too
-  && echo "REPOS=https://mran.microsoft.com/snapshot/$BUILD_DATE" >> /usr/local/lib/R/etc/Renviron \
-  && export INCLUDE_SUGGESTS="TRUE" \
-  && install.r tidyverse devtools profvis
+  && MRAN=https://mran.microsoft.com/snapshot/${BUILD_DATE} \
+  && echo MRAN=$MRAN >> /etc/environment \
+  && Rscript -e "install.packages(c('littler', 'docopt'), repo = '$MRAN')" \
+  && ln -s /usr/local/lib/R/site-library/littler/examples/install2.r /usr/local/bin/install2.r \
+  && ln -s /usr/local/lib/R/site-library/littler/bin/r /usr/local/bin/r \
+  && install2.r --error --repos $MRAN --deps "TRUE" \
+  && tidyverse devtools profvis
 

verse/Dockerfile

@@ -27,7 +27,8 @@ RUN apt-get update \
   && updmap-sys \
   ## And some nice R packages for publishing-related stuff 
   && export INCLUDE_SUGGESTS="TRUE" \
-  && install.r bookdown rticles rmdshower
+  && install2.r --error --repos $MRAN --deps "TRUE" \
+  && bookdown rticles rmdshower
 
 ## Consider: yihui/printr when released