[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Why is the <derivation> scheme record needed?
From: |
jgart |
Subject: |
Re: Why is the <derivation> scheme record needed? |
Date: |
Sun, 18 Sep 2022 09:58:36 -0500 |
On Sat, 17 Sep 2022 20:41:43 +0200 Ricardo Wurmus <rekado@elephly.net> wrote:
Hi rekado,
Thanks for the explanations! Much appreciated. Here are some more questions:
> It is a Scheme representation of a derivation, which also has an on-disk
> representation.
Why was the scheme representation of a derivation needed?
Was it primarily so that we can inspect it at the REPL like a scheme
object before it gets sent to disk or is there some additional reason?
> Everything that the daemon is asked to build must be compiled to a
> derivation on disk first. From the perspective of the daemon there are
> no first-class packages, only derivations. Much of what Guix as a
> library does is to turn package values into derivation files and
> builders to feed them into the daemon.
Why are the bags needed? What do the bags solve in the system?
all best,
jgart