This will get the current option in getOption('repos')
, and if that is not
set to a url, then it will prompt the user to select a mirror, unless
ind
is set, in which case, it will use that mirror (in
chooseCRANmirror()
)
Arguments
- repos
A CRAN-like repository
- ind
an integer of which mirror to use in
chooseCRANmirror()