[bug#39430] Use CRAN’s canonical URL as home-page

[Christopher Baines]

Lars-Dominik Braun <ldb@leibniz-psychology.org> writes:

> I noticed for packages not specifying any URL the CRAN importer emits 
> home-page
> URLs like https://cran.r-project.org/web/packages/<package> (without trailing
> slash). These are permanent redirects, thus the linter complains about them.
> One option would be adding a trailing slash or use the canonical URL, as
> provided by CRAN (on the bottom of the description page). The attached patch
> does the latter.

Hi,

Sorry for the delay in following up on this.

I gave this patch a try, testing using gProfileR as just a random
package I picked.

So, my take on this is that the canonical URLs still redirect, but using
a 303 redirect, which the linter doesn't complain about. Given I see [1]
on the page, I guess it makes sense to use these URLs.

1: Please use the canonical form https://CRAN.R-project.org/package=gProfileR 
to link to this page.

I'll leave it a day or two for others to comment, as I'm not
particularly familiar with CRAN, but I'm happy to merge this.

Thanks,

Chris

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