Nix (command) - Revision history

Malix at 16:02, 7 September 2025

2025-09-07T16:02:52Z

← Older revision		Revision as of 16:02, 7 September 2025
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	== Enabling the nix command ==		== 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.		In nix 2.4, the nix command must be explicitly enabled. You can do this in a few different ways.

	~~For~~ an individual invocation~~, eg.~~		=== As an individual invocation ===
	<~~syntaxHighlight~~ lang=~~text~~>		<syntaxhighlight lang="console">
	nix --experimental-features nix-command build ...		nix --experimental-features nix-command build ...
	</~~syntaxHighlight~~>		</syntaxhighlight>

	~~Or by~~ setting ~~a user-specific~~ configuration,		=== By setting it in the nix configuration ===
	~~<syntaxHighlight lang~~=~~toml>~~		{{File\|3=experimental-features = nix-command\|name=~/.config/nix/nix.conf\|lang=toml}}
	~~# ~/.config/nix/nix.conf~~
	experimental-features = nix-command
	~~</syntaxHighlight>~~
	~~in <code>~~~/.config/nix/nix.conf~~</code>.~~

	On NixOS you can't edit <code>/etc/nix/nix.conf</code> directly, ~~but~~ you ~~can enable this feature by editing <code>/etc/nixos/~~configuration~~.nix</code>:~~		=== On NixOS, by setting it in the NixOS configuration ===
	~~<syntaxHighlight lang~~=~~nix>~~		''On NixOS you can't edit <code>/etc/nix/nix.conf</code> directly, so you have to set it through the NixOS configuration instead''
	#		{{File\|3={ pkgs, ... }: {
	{ pkgs, ... }: {
	…
	nix.settings.experimental-features = [ "nix-command" ];		nix.settings.experimental-features = [ "nix-command" ];
	…		}\|name=/etc/nixos/configuration.nix\|lang=nix}}{{Evaluate}}
	}
	</~~syntaxHighlight>~~
	~~and then run <code>sudo~~ nixos~~-rebuild switch<~~/~~code> as always~~.

	== Switching ~~between~~ <code>nix~~-env~~</code> ~~and~~ <code>nix ~~profile~~</code> ==		== Switching from <code>nix profile</code> to <code>nix-env</code> ==
			{{Warning\|Using <code>nix-env</code> is not recommended.}}
	{{~~warning~~\|~~Be careful when testing.~~		Once you installed a package with <code>nix profile</code>, you get the following error message when using <code>nix-env</code>:
	~~Once you have used <code>nix profile</code> you can no longer use~~ <code>nix-env</code> ~~without first deleting <code>/nix/var/nix/profiles/per-user/$USER/profile</code>~~}}

	Once you installed a package with <code>nix profile</code>, you
	get the following error message when using <code>nix-env</code>:

	<syntaxHighlight lang=console>		<syntaxHighlight lang=console>
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	</syntaxHighlight>		</syntaxHighlight>

	To migrate ~~back~~ to <code>nix-env</code> you ~~can~~ delete your current profile:		To migrate from <code>nix profile</code> to <code>nix-env</code>, you need to delete your current profile:

	{{warning\|This will delete packages that have been installed before, so you may want to back this information before running the command.}}		{{warning\|This will delete packages that have been installed before, so you may want to back this information before running the command.}}
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	== New equivalents to old commands ==		== New equivalents to old commands ==
	<~~syntaxHighlight~~ lang=~~console~~>		<syntaxhighlight lang="shell">
	# create a store derivation for a package defined in the current directory's default.nix		# create a store derivation for a package defined in the current directory's default.nix
	old$ nix-instantiate -A somepackage		old$ nix-instantiate -A somepackage
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	# alternative option		# alternative option
	new$ nix derivation show .#somepackage \| jq '.[keys[0]]' \| nix derivation add		new$ nix derivation show .#somepackage \| jq '.[keys[0]]' \| nix derivation add
	</~~syntaxHighlight~~>		</syntaxhighlight>

	[[Category:Nix]]		[[Category:Nix]]

DoggoBit: add navbox

2025-06-19T13:29:34Z

add navbox

← Older revision		Revision as of 13:29, 19 June 2025
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			{{Navbox Nix}}
	{{Disambiguation\|message=This article is about the new nix command. Not to be confused with the [[Nix ecosystem]], the [[Nix (language)\|Nix language]] or the [[Nix (package manager)\|Nix package manager]].}}		{{Disambiguation\|message=This article is about the new nix command. Not to be confused with the [[Nix ecosystem]], the [[Nix (language)\|Nix language]] or the [[Nix (package manager)\|Nix package manager]].}}

DoggoBit: Link directly and fix title case

2025-06-14T21:06:59Z

Link directly and fix title case

← Older revision		Revision as of 21:06, 14 June 2025
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	{{Disambiguation\|message=This article is about the new nix command. Not to be confused with the [[Nix ecosystem]], the [[Nix (language)]] or the [[Nix ~~Package Manager~~]].}}		{{Disambiguation\|message=This article is about the new nix command. Not to be confused with the [[Nix ecosystem]], the [[Nix (language)\|Nix language]] or the [[Nix (package manager)\|Nix package manager]].}}

	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.		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.

DoggoBit: Better phrasing

2025-06-14T20:57:18Z

Better phrasing

← Older revision		Revision as of 20:57, 14 June 2025
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	{{Disambiguation\|message=This article is about the new nix command. Not to be confused with the [[Nix ecosystem]] or [[Nix]] ~~(the language and CLI suite)~~.}}		{{Disambiguation\|message=This article is about the new nix command. Not to be confused with the [[Nix ecosystem]], the [[Nix (language)]] or the [[Nix Package Manager]].}}

	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.		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.

DoggoBit: Add disambiguation notice

2025-06-14T20:56:09Z

Add disambiguation notice

← Older revision		Revision as of 20:56, 14 June 2025
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			{{Disambiguation\|message=This article is about the new nix command. Not to be confused with the [[Nix ecosystem]] or [[Nix]] (the language and CLI suite).}}

	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.		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.

DoggoBit: DoggoBit moved page Nix command to Nix (command): Use disambiguation-style naming

2025-06-14T20:53:32Z

DoggoBit moved page Nix command to Nix (command): Use disambiguation-style naming

← Older revision	Revision as of 20:53, 14 June 2025
(No difference)

Admin: import from old wiki

2024-04-01T18:06:24Z

import from old wiki

← Older revision		Revision as of 18:06, 1 April 2024
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	<syntaxHighlight lang=console>		<syntaxHighlight lang=console>
	$ rm -rf /nix/var/nix/profiles/per-user/$USER/profile		$ rm -rf /nix/var/nix/profiles/per-user/$USER/profile
			</syntaxHighlight>

			== New equivalents to old commands ==
			<syntaxHighlight lang=console>
			# create a store derivation for a package defined in the current directory's default.nix
			old$ nix-instantiate -A somepackage
			# assumes you are now using flakes
			new$ nix eval .#somepackage.drvPath
			# alternative option
			new$ nix derivation show .#somepackage \| jq '.[keys[0]]' \| nix derivation add
	</syntaxHighlight>		</syntaxHighlight>

	[[Category:Nix]]		[[Category:Nix]]

imported>IgorM: Fixed syntax highlighting

2023-09-26T08:45:02Z

Fixed syntax highlighting

← Older revision		Revision as of 08:45, 26 September 2023
Line 8:		Line 8:

	For an individual invocation, eg.		For an individual invocation, eg.
	<syntaxHighlight>		<syntaxHighlight lang=text>
	nix --experimental-features nix-command build ...		nix --experimental-features nix-command build ...
	</syntaxHighlight>		</syntaxHighlight>

imported>Fricklerhandwerk: add notes on switching between nix-env and nix-profile

2022-12-20T13:11:03Z

add notes on switching between nix-env and nix-profile

@@ Line 29: / Line 29: @@
 </syntaxHighlight>
 and then run <code>sudo nixos-rebuild switch</code> as always.
 [[Category:Nix]]

imported>Gdamjan at 23:02, 3 October 2022

2022-10-03T23:02:27Z

← Older revision		Revision as of 23:02, 3 October 2022
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	in <code>~/.config/nix/nix.conf</code>.		in <code>~/.config/nix/nix.conf</code>.

	~~Or system-wide with~~		On NixOS you can't edit <code>/etc/nix/nix.conf</code> directly, but you can enable this feature by editing <code>/etc/nixos/configuration.nix</code>:
	<syntaxHighlight lang=nix>		<syntaxHighlight lang=nix>
	# ~~/etc/nix/nix.conf~~		#
	{ pkgs, ... }: {		{ pkgs, ... }: {
	nix.~~extraOptions = ''~~		…
	experimental-features = nix-command		nix.settings.experimental-features = [ "nix-command" ];
	~~'';~~		…
	}		}
	</syntaxHighlight>		</syntaxHighlight>
	in <code>~~/etc/nix/nix.conf~~</code> ~~on NixOS~~.		and then run <code>sudo nixos-rebuild switch</code> as always.

	[[Category:Nix]]		[[Category:Nix]]