This uses the new CRAN web-form submission process. After submission, you will receive an email asking you to confirm submission - this is used to check that the package is submitted by the maintainer.
submit_cran(pkg = ".", args = NULL)package description, can be path or package name. See
as.package() for more information
An optional character vector of additional command
line arguments to be passed to R CMD build.
It's recommended that you use release() rather than this
function as it performs more checks prior to submission.