Re: guix pack: support for something similar to Nix's buildLayeredImage

[Hilton Chain]

Hi Simon,

On Wed, 09 Aug 2023 20:59:02 +0800,
Simon Pugnet wrote:
>
> I'm not a Guix or Nix expert but as far as I understand Nix solves
> this problem by using "pkgs.dockerTools.buildLayeredImage" (see
> http://ryantm.github.io/nixpkgs/builders/images/dockertools/#ssec-pkgs-dockerTools-buildLayeredImage)
> and "streamLayeredImage". In this example, this could in theory be
> used to build a coreutils-python image where coreutils exists in its
> own layer. That would mean that the coreutils-rust image could share
> the coreutils layer, saving space.
>
> Is there any way to achieve something similar in Guix? If not then are
> there any plans to support this functionality?

It's currently not available in Guix, but there's a patch series
<https://issues.guix.gnu.org/62153> for it.

Thanks