Re: getting started with guix import nix

[Paul Garlick <pgarlick@tourbillion-technology.com>]

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Thank you, Ludo.
I have:
$ git describe
v0.11.0-3373-g2df3d14
My Nixpkgs directory is not managed by git.  It was installed by the Nix install script.  It seems to have the same structure as the Github repository:
$ ls /home/paul/.nix-defexpr/channels/nixpkgs
doc  maintainers  pkgs     README.md    svn-revision
lib  nixos        COPYING  default.nix
> It may be that we’re not getting the same XML output from
> ‘nix-instantiate’ and that somehow confuses the XML parser in your
> case.
> 
> To investigate, you’d need to run the same ‘nix-instantiate’ command
> that snix.scm invokes, same its XML output, and then try parsing it
> with
> ‘xml->sxml’ from (sxml simple).
> 
Following the snix.scm code, I have tried:
$ nix-instantiate --strict --eval --xml -A opencascade_oce
/home/paul/.nix-defexpr/channels/nixpkgs
This command sends xml to standard output for a few minutes, before I
kill the process.  Is it common for this process to need a long time?
 I have noticed in the Nix manual this comment on the --strict option:
Warning: This option can cause non-termination, because lazy
    data structures can be infinitely large.
Maybe this is a Nix problem?
Paul.

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