Path to a directory containing an R package, or path to
source R package tarball built with R CMD build or
devtools::build().
email
Email address to send notification to about the build.
It must be a validated email address, see validate_email(). If
NULL, then the email address of the maintainer is used, as defined
in the DESCRIPTION file of the package.
check_args
Arguments for R CMD check. By default --as-cran
is used.
env_vars
Environment variables to set on the builder. By default
_R_CHECK_FORCE_SUGGESTS_=true is set, to require all packages used.
platforms
Character vector of platform ids to use
(see platforms()), or NULL. If NULL, then a set of default
platforms will be selected, see below.