feat: add nixpkgs variant to switch to Lix #28

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raito wants to merge 1 commit from nixpkgs-variant into main
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@ -0,0 +1,180 @@
---
title: "Switching Fully To Lix"
description: "or: how to make your existing configuration Delicious"
date: "2024-04-27"
author: "Lix Team"
---
If you have an existing configuration on **NixOS** or **nix-darwin**
## Flake-based Configurations
Adding Lix to a flake-based configuration is relatively simple. First, add the Lix module to your _flake inputs_:
```nix
{
inputs = {
# Add this section to your flake inputs!
#
# Note that this assumes you have a flake-input called nixpkgs,
# which is often the case. If you've named it something else,
# you'll need to change the `nixpkgs` below.
lix = {
url = "git+https://git.lix.systems/lix-project/lix?ref=refs/tags/2.90-beta.1";
flake = false;
};
lix-module = {
url = "git+https://git.lix.systems/lix-project/nixos-module";
inputs.lix.follows = "lix";
inputs.nixpkgs.follows = "nixpkgs";
};
}
# <rest of configuration omitted>
}
```
Next, add the `lix-module` as one of the arguments to your output function:
```nix
{
# <configuration above omitted>
# Add the `lix-module` argument to your output function, as below:
outputs = {nixpkgs, lix-module, ...}: {
# <rest of configuration omitted>
}
}
```
Add the Lix _NixOS Module_ to your configuration:
```nix
{
# <configuration above omitted>
# Add the `lix-module` argument to your output function, as below:
outputs = {nixpkgs, lix-module, ...}: {
# The configuration here is an example; it will look slightly different
# based on your platform (NixOS, nix-darwin) and architecture.
nixosConfigurations.your-box = nixpkgs.lib.nixosSystem {
system = "x86_64-linux"
modules = [
# This is the important part -- add this line to your module list!
lix-module.nixosModules.default
];
};
}
# <configuration below omitted>
}
```
Finally, if you'd prefer not to build Lix yourself, you can add our binary cache.
Add the following to any NixOS module in your configuration (e.g. `configuration.nix`):
```nix
{
nix.settings.substituters = [
"https://cache.lix.systems"
];
nix.settings.trusted-public-keys = [
"cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
];
}
```
Rebuild and switch into your new system (either using `nixos-rebuild` or `darwin-rebuild`).
You should now be using Lix! You can verify this by asking the `nix` command to report its version:
```sh
$ nix --version
nix (Lix, like Nix) 2.90.0-beta.1
```
As long as you see `Lix` in the output, you're good! If you're not sure what to do now, it's a
great time to check out some of the [community's resources on Nix](/resources).
## Non-Flake Configurations
If you're not using flakes, you can set up your configuration to automatically pull down a
Lix release tarball, and then add it to your `configuration.nix`.
Open your `/etc/nixos/configuration.nix` in the editor of your choice. Find the `imports`
section, and add the line provided in the configuration
<mark>
<b>This section is currently pending on a quick update.</b>
</mark>
<br/>
<br/>
```nix
{ config, lib, pkgs, ... }:
{
imports =
[ # Include the results of the hardware scan.
./hardware-configuration.nix
# This is the core line -- it pulls down the Lix module and
# includes it in your configuration. It looks much nicer with a let
# binding -- but for clarity, we'll leave that as an exercise for the
# reader. :)
#
# Note that the tag (e.g. v2.90) in the URL here is what determines
# which version of Lix you'll wind up with.
(import
(
(fetchTarball { url = "https://git.lix.systems/lix-project/nixos-module/archive/main.tar.gz"; }) + "/module.nix"
)
{
lix = fetchTarball { url = "https://git.lix.systems/lix-project/lix/archive/2.90-beta.1.tar.gz"; };
}
)
];
# <configuration below omitted>
}
```
Finally, if you'd prefer not to build Lix yourself, you can add our binary cache.
Add the following to any NixOS module in your configuration (e.g. `configuration.nix`):
```nix
{
nix.settings.substituters = [
"https://cache.lix.systems"
];
nix.settings.trusted-public-keys = [
"cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
];
}
```
Rebuild and switch into your new system (either using `nixos-rebuild` or `darwin-rebuild`).
You should now be using Lix! You can verify this by asking the `nix` command to report its version:
```sh
$ nix --version
nix (Lix, like Nix) 2.90.0-beta.1
```
As long as you see `Lix` in the output, you're good! If you're not sure what to do now, it's a
great time to check out some of the [community's resources on Nix](/resources).
## Having Trouble?
**One quick thing to check:** have you set `nix.package` anywhere in your configuration?
If so, your configuration option will override the Lix module. You'll want to remove it, first --
or, if you're feeling savvy, point it to the provided Lix package.
**Otherwise:** If you're having difficulty installing Lix, don't panic! Hop on over to our
[community page](/community), and check out the various ways to find help.

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@ -1,63 +1,20 @@
--- ---
title: "Switching To Lix" title: "Switching To Lix with Nixpkgs"
description: "or: how to make your existing configuration Delicious" description: "or: how to make your existing configuration Delicious"
date: "2024-04-27" date: "2024-06-09"
author: "Lix Team" author: "Lix Team"
--- ---
If you have an existing configuration on **NixOS** or **nix-darwin**, the easiest way If you have an existing configuration on **NixOS** or **nix-darwin** with version 24.05 or older, you can use Lix from Nixpkgs.
Review

In the matrix chat, it was mentioned that this is supposed to be read as 24.05 or older is meant as ≥ 24.05.
Afaict this should be changed to "24.05 or newer".

In the matrix chat, it was mentioned that this is supposed to be read as `24.05 or older is meant as ≥ 24.05`. Afaict this should be changed to "24.05 or newer".
Review

yes, I agree with that caveat. also, we should still mention the existence of the module, right?

yes, I agree with that caveat. also, we should still mention the existence of the module, right?
Review

Module?
I thought the module stuff is already there, and the new part is just explaining that nix.package=pkgs.lix; is enough

Module? I thought the module stuff is already there, and the new part is just explaining that `nix.package=pkgs.lix;` is enough
Review

yeah I think you're right, on closer read (I find it hard to see the context of changes on forgejo, but oh well)

yeah I think you're right, on closer read (I find it hard to see the context of changes on forgejo, but oh well)
to switch to Lix is currently by using our provided _NixOS module_. Fortunately, this
usually means adding only a couple of lines to your configuration.
## Flake-based Configurations ## Flake-based Configurations
Adding Lix to a flake-based configuration is relatively simple. First, add the Lix module to your _flake inputs_: Set Lix as your Nix package:
```nix
{
inputs = {
# Add this section to your flake inputs!
#
# Note that this assumes you have a flake-input called nixpkgs,
# which is often the case. If you've named it something else,
# you'll need to change the `nixpkgs` below.
lix = {
url = "git+https://git.lix.systems/lix-project/lix?ref=refs/tags/2.90-beta.1";
flake = false;
};
lix-module = {
url = "git+https://git.lix.systems/lix-project/nixos-module";
inputs.lix.follows = "lix";
inputs.nixpkgs.follows = "nixpkgs";
};
}
# <rest of configuration omitted>
}
```
Next, add the `lix-module` as one of the arguments to your output function:
```nix ```nix
{ {
# <configuration above omitted> # <configuration above omitted>
# Add the `lix-module` argument to your output function, as below:
outputs = {nixpkgs, lix-module, ...}: {
# <rest of configuration omitted>
}
}
```
Add the Lix _NixOS Module_ to your configuration:
```nix
{
# <configuration above omitted>
# Add the `lix-module` argument to your output function, as below:
outputs = {nixpkgs, lix-module, ...}: { outputs = {nixpkgs, lix-module, ...}: {
# The configuration here is an example; it will look slightly different # The configuration here is an example; it will look slightly different
@ -66,11 +23,10 @@ Add the Lix _NixOS Module_ to your configuration:
system = "x86_64-linux" system = "x86_64-linux"
modules = [ modules = [
{
# This is the important part -- add this line to your module list! nix.package = pkgs.lix;
lix-module.nixosModules.default }
]; ];
}; };
} }
@ -78,21 +34,6 @@ Add the Lix _NixOS Module_ to your configuration:
} }
``` ```
Finally, if you'd prefer not to build Lix yourself, you can add our binary cache.
Add the following to any NixOS module in your configuration (e.g. `configuration.nix`):
```nix
{
nix.settings.substituters = [
"https://cache.lix.systems"
];
nix.settings.trusted-public-keys = [
"cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
];
}
```
Rebuild and switch into your new system (either using `nixos-rebuild` or `darwin-rebuild`). Rebuild and switch into your new system (either using `nixos-rebuild` or `darwin-rebuild`).
You should now be using Lix! You can verify this by asking the `nix` command to report its version: You should now be using Lix! You can verify this by asking the `nix` command to report its version:
@ -110,14 +51,7 @@ great time to check out some of the [community's resources on Nix](/resources).
If you're not using flakes, you can set up your configuration to automatically pull down a If you're not using flakes, you can set up your configuration to automatically pull down a
Lix release tarball, and then add it to your `configuration.nix`. Lix release tarball, and then add it to your `configuration.nix`.
Open your `/etc/nixos/configuration.nix` in the editor of your choice. Find the `imports` Open your `/etc/nixos/configuration.nix` in the editor of your choice.
section, and add the line provided in the configuration
<mark>
<b>This section is currently pending on a quick update.</b>
</mark>
<br/>
<br/>
```nix ```nix
{ config, lib, pkgs, ... }: { config, lib, pkgs, ... }:
@ -126,42 +60,14 @@ section, and add the line provided in the configuration
[ # Include the results of the hardware scan. [ # Include the results of the hardware scan.
./hardware-configuration.nix ./hardware-configuration.nix
# This is the core line -- it pulls down the Lix module and
# includes it in your configuration. It looks much nicer with a let
# binding -- but for clarity, we'll leave that as an exercise for the
# reader. :)
#
# Note that the tag (e.g. v2.90) in the URL here is what determines
# which version of Lix you'll wind up with.
(import
(
(fetchTarball { url = "https://git.lix.systems/lix-project/nixos-module/archive/main.tar.gz"; }) + "/module.nix"
)
{
lix = fetchTarball { url = "https://git.lix.systems/lix-project/lix/archive/2.90-beta.1.tar.gz"; };
}
)
]; ];
nix.package = pkgs.lix;
# <configuration below omitted> # <configuration below omitted>
} }
``` ```
Finally, if you'd prefer not to build Lix yourself, you can add our binary cache.
Add the following to any NixOS module in your configuration (e.g. `configuration.nix`):
```nix
{
nix.settings.substituters = [
"https://cache.lix.systems"
];
nix.settings.trusted-public-keys = [
"cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
];
}
```
Rebuild and switch into your new system (either using `nixos-rebuild` or `darwin-rebuild`). Rebuild and switch into your new system (either using `nixos-rebuild` or `darwin-rebuild`).
You should now be using Lix! You can verify this by asking the `nix` command to report its version: You should now be using Lix! You can verify this by asking the `nix` command to report its version:
@ -176,8 +82,14 @@ great time to check out some of the [community's resources on Nix](/resources).
## Having Trouble? ## Having Trouble?
**One quick thing to check:** have you set `nix.package` anywhere in your configuration? **One quick thing to check:** have you set `nix.package` anywhere in your configuration?
If so, your configuration option will override the Lix module. You'll want to remove it, first -- If so, your configuration option will collide or override with the line just added. You'll want to remove it, first --
or, if you're feeling savvy, point it to the provided Lix package. or, if you're feeling savvy, point it to the provided Lix package.
**Otherwise:** If you're having difficulty installing Lix, don't panic! Hop on over to our **Otherwise:** If you're having difficulty installing Lix, don't panic! Hop on over to our
[community page](/community), and check out the various ways to find help. [community page](/community), and check out the various ways to find help.
## Need something more advanced?
Do you need to set `lix` on another part that depends on the original Nix implementation, e.g. nix-eval-jobs, nixos-option?
Consider following [the original instructions to add the Lix module](/add-fully-to-config).