[R-pkg-devel] Suggests with non-CRAN packages

[Duncan Murdoch]

On 03/01/2024 11:33 a.m., Josiah Parry wrote:
> I have a scenario where I have an exported function that requires the
> installation a package that *is not* available on CRAN. The body of the
> function is generally:
> 
> fx <- function() {
>    rlang::check_installed("noncranpkg")
>    noncranpkg::gx()
> }
> 
> As required, this package is in the Suggests field. But this results in a
> note:
> 
> checking package dependencies ... NOTE
> Package suggested but not available for checking: ‘noncranpkg’
> 
> Can this be safely ignored?

Uwe said yes, and he's an authority.  But for your users, it might be 
nice to include an Additional_repositories field so they can find the 
package.  This needs to be organized as an actual repository; the drat 
package is a very convenient way to set one up.

Duncan Murdoch