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docs: add install steps for nix flake

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Krzysztof Saczuk 2024-04-15 03:21:19 +02:00
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docs/Installation.mdx
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@ -84,6 +84,81 @@ sudo eopkg install grub-customizer
To revert back to the orignal KDE Neon theme, open GRUB Customizer, and in the Appearance settings tab, change the theme dropdown back to breeze.
</Callout>
## Installation via Nix Flakes
### Prerequisites
- Nix 2.4 or later
- Experimental features `nix-command` and `flakes` enabled.
- You can achive that by adding the following to your `configuration.nix` and rebuilding your system.
```nix
nix = {
package = pkgs.nixFlakes;
extraOptions = ''
experimental-features = nix-command flakes
'';
};
```
### NixOS module
To use this theme as a NixOS module, a bare-minimum configuration would be as follows:
`flake.nix`:
```nix
{
inputs = {
nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
distro-grub-themes.url = "github:AdisonCavani/distro-grub-themes";
};
outputs = { self, nixpkgs, ... }@inputs: {
nixosConfigurations."default" = nixpkgs.lib.nixosSystem rec {
system = "x86_64-linux";
modules = [
./configuration.nix
inputs.distro-grub-themes.nixosModules.${system}.default
];
};
};
}
```
`configuration.nix`:
```nix
{ config, pkgs, lib, ... }: {
distro-grub-themes = {
enable = true;
theme = "<theme_name>";
};
}
```
### Standalone setup
To use this theme in a standalone setup, a bare-minimum configuration would be as follows:
`flake.nix`:
```nix
{
inputs = {
nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
distro-grub-themes.url = "github:AdisonCavani/distro-grub-themes";
};
outputs = { self, nixpkgs, ... }@inputs: {
nixosConfigurations."default" = nixpkgs.lib.nixosSystem rec {
system = "x86_64-linux";
modules = [
./configuration.nix
];
};
};
}
```
`configuration.nix`:
```nix
{ config, pkgs, lib, inputs, ... }: {
boot.loader.grub = rec {
theme = inputs.distro-grub-themes.packages.${system}.<theme_name>-grub-theme;
splashImage = "${theme}/splash_image.jpg";
};
}
```
## Manual Installation
In order to clone the repository from GitHub, you have to install Git, via the `git` package.