My NixOS configs

Ags

You might find it weird that most of my config is written in TypeScript. That's because all my desktops run AGS for UI. Click on this to see my configuration.

I'm also a victim of Stockholm syndrome at this point and make my scripts in TypeScript because it's the scripting language I am most comfortable with.

About

General

This repo is the complete configuration of machines I own, running NixOS or Nix. I tend to mix Home-Manager and NixOS a lot to make my custom modules by using my global vars system explained here

Flake Location

This git repo will always be located at $FLAKE (config.environment.variables.FLAKE) and symlinked to /etc/nixos to have everything where NixOS tools expect things to be.

ie.

sudo rm -r /etc/nixos

echo "$FLAKE" # /home/matt/.nix

sudo ln -sf /home/matt/.nix /etc/nixos

Flake Outputs

Output	Description
`nixosConfigurations`	devices' + ISO's configurations
`nixOnDroidConfigurations.default`	Nix-On-Droid's configuration
`formatter`	I have yet to know if this has any uses but I format with alejandra
`devShells.default`	A dev shell to build an ISO from the live-image nixosConfiguration

Flake Inputs

I prefer using a more descriptive format for my inputs like so:

nixpkgs = {
  type = "github";
  owner = "NixOS";
  repo = "nixpkgs";

  # Branch name
  ref = "nixos-unstable";

  # Pin this input to a specific commit
  rev = "842d9d80cfd4560648c785f8a4e6f3b096790e19";
};

to make it more clear what is what in the flake URI

I also have a long list of inputs with flake = false; because it makes it easier to update non-flake custom packages or overlays to have the latest git. I make sure to end the names of these inputs with src to make it clear what they are.

Secrets

All my secrets are in a private git repo that makes use of sops-nix. I only use secrets stored in JSON and generate .sops.yaml from .sops.nix:

let
  wim = "somekey";
  oksys = "somekey2";
in {
  creation_rules = [
    {
      path_regex = "secrets/[^/]+\\.(yaml|json|env|ini)$";
      key_groups = [
        {
          age = [wim oksys];
        }
      ];
    }
  ];
}

which is then converted to .sops.yaml using remarshal and this shell command:

nix eval --json --file ./.sops.nix | remarshal --if json --of yaml > .sops.yaml

TLDR: I hate YAML

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