neovim-flake/docs/manual/installation/modules/nixos.md

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# NixOS Module {#ch-nixos-module}
The NixOS module allows us to customize the different `vim` options from inside
the NixOS configuration without having to call for the wrapper yourself. It is
the recommended way to use **nvf** alongside the home-manager module depending
on your needs.
To use it, we first add the input flake.
```nix
{
inputs = {
# Optional, if you intend to follow nvf's obsidian-nvim input
# you must also add it as a flake input.
obsidian-nvim.url = "github:epwalsh/obsidian.nvim";
# Required, nvf works best and only directly supports flakes
nvf = {
url = "github:notashelf/nvf";
# You can override the input nixpkgs to follow your system's
# instance of nixpkgs. This is safe to do as nvf does not depend
# on a binary cache.
inputs.nixpkgs.follows = "nixpkgs";
# Optionally, you can also override individual plugins
# for example:
inputs.obsidian-nvim.follows = "obsidian-nvim"; # <- this will use the obsidian-nvim from your inputs
};
};
}
```
Followed by importing the NixOS module somewhere in your configuration.
```nix
{
# assuming nvf is in your inputs and inputs is in the argset
# see example below
imports = [ inputs.nvf.nixosModules.default ];
}
```
## Example Installation {#sec-example-installation-nixos}
```nix
{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
nvf.url = "github:notashelf/nvf";
};
outputs = { nixpkgs, nvf, ... }: {
# ↓ this is your host output in the flake schema
nixosConfigurations."your-hostname" = nixpkgs.lib.nixosSystem {
modules = [
nvf.nixosModules.default # <- this imports the NixOS module that provides the options
./configuration.nix # <- your host entrypoint, `programs.nvf.*` may be defined here
];
};
};
}
```
Once the module is properly imported by your host, you will be able to use the
`programs.nvf` module option anywhere in your configuration in order to
configure **nvf**.
```nix{
programs.nvf = {
enable = true;
# your settings need to go into the settings attribute set
# most settings are documented in the appendix
settings = {
vim.viAlias = false;
vim.vimAlias = true;
vim.lsp = {
enable = true;
};
};
};
}
```
::: {.note}
**nvf** exposes a lot of options, most of which are not referenced in the
installation sections of the manual. You may find all available options in the
[appendix](https://notashelf.github.io/nvf/options)
:::