Recognize P3M packages as CRAN packages, on macOS as well

[gaborcsardi]

getOption("repos")
#>                           P3M                          CRAN 
#> "https://p3m.dev/cran/latest" "https://cloud.r-project.org/"

Packages installed from P3M are constantly reinstalled, because they are not considered to be CRAN packages.

There is a slight chance that the package to be installed need to be loaded (e.g. from .Rprofile).

[jennybc]

Can you remind me ... is this your diagnosis of why I seem to see certain packages needing reinstallation every time I use pak?

[jennybc]

And what's happening is the P3M-derived packages are not being perceived as "installed from CRAN", so they come up as needing installation. But then it turns out I've already got them in the cache, so ultimately they are not redownloaded. But then they are reinstalled over and over again?

[gaborcsardi]

Yes, exactly.