Re: [PATCH] Add recursive CRAN importer

[Ricardo Wurmus]

Hi Guix,

I’m sorry for the confusion.  I accidentally resent this cover letter
along with the patch for r-knitrbootstrap.

Please note that the patch for r-knitrbootstrap has nothing to do with
the recursive CRAN importer patches.

~~ Ricardo


Ricardo Wurmus <address@hidden> writes:

> attached is a patch series that gives us a recursive CRAN importer.  I still
> haven't documented it in the manual, because I'm not sure if the
> implementation is acceptable.
>
> Simply put, the procedure that produces a package expression now returns
> multiple values.  The first is the package expression, the second is a list of
> dependencies (with their upstream names).  This allows us to go through that
> list and check if any unpackaged inputs are among them.
>
> The recursive importer stops when a package cannot be imported (e.g. when a
> bioconductor package has unpackaged CRAN dependencies), or when all packages
> either already existed at runtime or have been packaged.
>
> To make this work well I had to create a list of packages that should not be
> imported (because they are part of the default R installation), and I had to
> make sure that R packages always get a predictable Guix package name.
>
> Comments are very welcome!
>
> ~~ Ricardo