[R-pkg-devel] Possibly invalid URL note about canonical form of link to cran package

[Joris Meys]

Dear all,


I link in a vignette to the CRAN page of another package using the following form:


https://cloud.r-project.org/package=kernlab<https://cloud.r-project.org/package=pkgname>


I believed this was the correct way to do it, but I get following note in R CMD check --as-cran :


Found the following (possibly) invalid URLs:
  URL: https://cloud.r-project.org/package=kernlab (moved to https://cloud.r-project.org/web/packages/kernlab/index.html)
    From: inst/doc/xnet_ShortIntroduction.html
    Status: 200
    Message: OK
    CRAN URL not in canonical form
  Canonical CRAN.R-project.org URLs use https.


So now I'm a bit confused. Aren't we supposed to use the canonical form as mentioned on every CRAN package page, or should I use cran.r-project.org specifically? I wanted to use cloud.r-project.org to limit traffic to the CRAN repo directly.


Advice is appreciated, I'd like to submit this package before the holidays.


Cheers

Joris


--
Joris Meys
Statistical consultant

Department of Data Analysis and Mathematical Modelling
Ghent University
Coupure Links 653, B-9000 Gent (Belgium)
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