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Re: New build system: copy-build-system

From: zimoun
Subject: Re: New build system: copy-build-system
Date: Mon, 27 Jan 2020 16:36:34 +0100

On Mon, 27 Jan 2020 at 16:18, Pierre Neidhardt <address@hidden> wrote:
> zimoun <address@hidden> writes:

> Actually we could simplify the install plan with something like
> --8<---------------cut here---------------start------------->8---
> #:install-plan
> (("source1" "target1")
>  ("source-dir2/" "target-dir2" #:exclude ("foo")))
> --8<---------------cut here---------------end--------------->8---

Yes. For sure. :-)

> Regarding the data fetching, if I understand your point I think it
> should be handled in a separate issue.

Maybe. :-)
It is just the occasion to pop out again the issue.
And why not discuss how to deal with large data set. I mean, if I use
my typical french bad faith in grumpy fashion, then I do not see why
the "small" data set are included in the store and the "large" not.
What does fix the definition of "small" and "large"?

And for example, the 'copy-build-system' could:

 - fetch the data from an archive, such or
IPFS or Zenodo or <name-it>
 - fetch the resulting <hash> of /gnu/store/<hash>-name-version from susbtitutes

Other said design a build-system to manage large dataset as regular packages.
Yes, it is out of scope of your initial idea. :-)


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