Raito Bezariusandeldritch horrors 9a59106c17 libstore: NIX_REMOTE=auto tries the daemon socket *then* direct access
In the past, it tried direct access if it *could* [1] perform direct
access.

This solves a bunch of errors people had when they tried the cgroup
feature and their scripts did not pass NIX_REMOTE=daemon manually
(nixos-rebuild-ng, home-manager activation from a root systemd unit,
etc.)

To avoid looping infinitely while receiving daemon connections, we
forcibly change the store URI when forking for a subdaemon to do direct
access automatically, this doesn't break forward usecases where you
point a daemon to another socket because we only change NIX_REMOTE="",
NIX_REMOTE=daemon, NIX_REMOTE=auto to a local and direct access.

All these usecases would end up infinitely looping no matter what
settings are set, because we are also responsible for creating the
daemon socket.

[1]: this happened all the time if you were `root`.

Related: https://github.com/NixOS/nixpkgs/pull/415701
Change-Id: I783fc795a9c2ee25b3d9f44f453f8f94b063371f
Signed-off-by: Raito Bezarius <raito@lix.systems>
2025-06-25 14:59:58 +00:00
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2024-11-04 13:46:10 +01:00
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2025-03-18 04:20:00 +00:00
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Lix

Lix is an implementation of Nix, a powerful package management system for Linux and other Unix systems that makes package management reliable and reproducible.

Read more about us at https://lix.systems.

Installation

On Linux and macOS the easiest way to install Lix is to run the following shell command (as a user other than root):

$ curl -sSf -L https://install.lix.systems/lix | sh -s -- install

For systems that already have a Nix implementation installed, such as NixOS systems, read our install page

Building And Developing

See our Hacking guide in our manual for instruction on how to set up a development environment and build Lix from source.

Additional Resources

License

Lix is released under LGPL-2.1-or-later.

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