singularity modules: add r.3.5.3

src/singularity_modules/r/3.5.3/build.sh

+#/bin/sh
+sudo singularity build --force bin/r:3.5.3.img src/singularity_modules/r/3.5.3/r.def && \
+singularity sign bin/r:3.5.3.img

src/singularity_modules/r/3.5.3/r

+#/bin/bash
+singularity exec /sps/lbmc/common/singularity/r:3.5.3.img R $@

src/singularity_modules/r/3.5.3/r.def

+Bootstrap: docker
+From: rocker/r-ver:3.5.3
+
+%labels
+MAINTAINER Laurent Modolo
+
+%post
+mkdir -p /sps /pbs /scratch
+PACKAGES="libssl-dev \
+libcurl4-openssl-dev \
+libxml2-dev \
+zlib1g-dev \
+git"
+
+apt-get update && \
+apt-get install -y --no-install-recommends ${PACKAGES} && \
+apt-get clean
+
+R -e "install.packages('tidyverse', dependencies=TRUE, repos='https://cran.rstudio.com/')"
+
+%environment
+export R_VERSION=3.5.3
+
+%runscript
+exec /bin/bash "$@"