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

[Uwe Ligges]

On 03.01.2024 17:58, Duncan Murdoch wrote:
> 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.

Thanks for elaborating, yes of course, people have to declare where to 
get the package from. The note from above is still unavoidable in that case.

Best,
Uwe

> 
> Duncan Murdoch
> 
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