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Re: emacs export to PDF impossible due to missing pdflatex

From: zimoun
Subject: Re: emacs export to PDF impossible due to missing pdflatex
Date: Thu, 7 Feb 2019 15:20:54 +0100

On Thu, 7 Feb 2019 at 14:12, Pierre Neidhardt <address@hidden> wrote:
> > > I think this is a more general question:  Guix currently lacks a way to 
> > > search
> > > files in substitutes.  It would be nice to have this feature :D
> It's actually more than just a /gnu/store cache: it should be able to find 
> files
> in non-installed packages.

I agree that it is not always easy to know that pdflatex is provided
by texlive or recsel is provided by recutils, etc.
And it should be nice to search files in substitutes, e.g., to know
which package to install.
However, for this purpose I am not sure that the substitutes are the
right layer.
And a field "provide" should be added to the package record. I do not
know if it makes sense.
Or maybe something with "properties". I mean, there is less package
providing multiple binaries (as texlive) than package providing the
binary of its name.

Do you have another usage in mind?
When writing packages? Especially about the TeX package?

All the best,

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