Nix command: Difference between revisions

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This article is about the new <code>nix</code> command and all of its subcommands. The new <code>nix</code> command is intended to unify many different nix utilities that exist currently as many separate commands, eg. <code>nix-build</code>, <code>nix-shell</code>, etc.  
This article is about the new <code>nix</code> command and all of its subcommands. The new <code>nix</code> command is intended to unify many different Nix package manager utilities that exist currently as many separate commands, eg. <code>nix-build</code>, <code>nix-shell</code>, etc.  


See the [https://nixos.org/manual/nix/stable/command-ref/experimental-commands.html Nix manual] for a complete reference.
See the [https://nixos.org/manual/nix/stable/command-ref/experimental-commands.html Nix manual] for a complete reference.

Revision as of 08:12, 4 August 2022

This article is about the new nix command and all of its subcommands. The new nix command is intended to unify many different Nix package manager utilities that exist currently as many separate commands, eg. nix-build, nix-shell, etc.

See the Nix manual for a complete reference.

Enabling the nix command

In nix 2.4 the nix command must be enabled explicitly set. You can do this in a few different ways.

For an individual invocation, eg.

nix --experimental-features nix-command build ...

Or by setting a user-specific configuration,

# ~/.config/nix/nix.conf
experimental-features = nix-command

in ~/.config/nix/nix.conf.

Or system-wide with

# /etc/nix/nix.conf
{ pkgs, ... }: {
   nix.extraOptions = ''
      experimental-features = nix-command
   '';
}

in /etc/nix/nix.conf on NixOS.