- && R --quiet --vanilla <<EOF
-options(repos=structure(c(CRAN="http://cran.wustl.edu/")))
-if (!requireNamespace("devtools")) {
- install.packages("devtools")
-}
-if (!requireNamespace("roxygen2")) {
- install.packages("roxygen2")
-}
-devtools::install_dev_deps()
-EOF