WIP: Add placeholder R check commented out

tests/dev_container.sh

@@ -7,6 +7,13 @@ set -euxo pipefail
 # Check the OpenSAFELY research-template example runs.
 opensafely run run_all
 
+# Check the R packages.
+#opensafely_r_packages=$(curl -s https://raw.githubusercontent.com/opensafely-core/r-docker/main/renv.lock |
+#    jq  '.Packages | keys')
+#r_installed=$(Rscript -e 'installed_packages <- as.data.frame(installed.packages()[,c(1,3:4)])' \
+#    -e 'package_names<-unique(installed_packages[installed_packages$Priority!="base"|is.na(installed_packages$Priority),,drop=FALSE][["Package"]])'
+#    -e 'cat(package_names[! package_names %in% c("docopt","spatial","littler")],sep="\n")')
+
 # Check the Python packages are as the Python image from which they are taken.
 python_image_version="v2"
 opensafely pull "python:$python_image_version"