#22459 - Guix tools should not honor NIX_* environment variables

Package	Source(s)		Maintainer(s)
guix		PTS Buildd Popcon

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From: ludo@gnu.org (Ludovic Courtès)
To: Jeff Mickey <j@codemac.net>
Subject: Re: bug#22459: guix daemon writes acl to /etc/nix/acl not /etc/guix
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Jeff Mickey <j@codemac.net> skribis:

> On NixOS when I follow the binary installation instructions as of 0.9.0,
> it places the acl in the wrong place.
>
> guix archive --authorize < hydra.gnu.org.pub
>
> This puts the file in /etc/nix/acl, not /etc/guix acl. This means the
> guix daemon can't find the acl, and you build everything from scratch.

(guix pki) has:

--8<---------------cut here---------------start------------->8---
(define %acl-file
  (string-append %config-directory "/acl"))
--8<---------------cut here---------------end--------------->8---

where (guix config) does:

--8<---------------cut here---------------start------------->8---
(define %config-directory
  ;; This must match `NIX_CONF_DIR' as defined in `daemon.am'.
  (or (getenv "NIX_CONF_DIR") "@guix_sysconfdir@/guix"))
--8<---------------cut here---------------end--------------->8---

So most likely the ‘NIX_CONF_DIR’ environment variable is defined on
your system, and ‘guix archive’ simply honors that.

Can you confirm?

Now, we’ve honored those ‘NIX_’ variables mostly because the daemon
code, which comes from Nix, uses them, and I initially didn’t want to
diverge.  Nowadays it would probably make sense to rename them.

> Also, /gnu/store is set to only have 1770 permissions instead of 1774,

That’s not what I see:

--8<---------------cut here---------------start------------->8---
$ tar tvf guix-binary-0.9.0.x86_64-linux.tar.xz |grep /gnu/store/$
drwxrwxr-t root/root         0 1970-01-01 01:00 ./gnu/store/
--8<---------------cut here---------------end--------------->8---

Which installation method did you use?

> which means you can't use any of your guix symlinks with 0.9.0 :/

What do you mean by “your guix symlinks”?

Thanks,
Ludo’.

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#22459 Guix tools should not honor NIX_* environment variables