# NixOS Config Flake

A Nix flake managing NixOS, nix-darwin, and Home Manager configurations across multiple hosts.

## Hosts

| Host       | Type            | Role                            | Disk Config |
|------------|-----------------|---------------------------------|-------------|
| `acheron`  | Linux Server    | Server                          | disko       |
| `armaros`  | Linux Server    | Server                          | disko       |
| `buildbox` | Linux Server    | CI / Build server               | disko       |
| `ender-ml` | Linux Server    | ML / ComfyUI server             | disko       |
| `eva-01`   | Linux Desktop   | ThinkPad X1 Nano Gen 1          | disko       |
| `eva-02`   | macOS           | Darwin / Mac                    | —           |
| `eva-03`   | Linux Desktop   | Desktop with ComfyUI            | disko       |

Each host gets an auto-generated `<hostname>-iso` rescue/installer ISO (except `eva-02`).

## Structure

```
├── flake.nix                    # Main flake with all host definitions
├── flake.lock
├── hosts/
│   ├── acheron/                 # Server #1
│   │   ├── configuration.nix
│   │   ├── disko-config.nix
│   │   ├── hardware-configuration.nix
│   ├── armaros/                 # Server #2
│   │   └── ...
│   ├── buildbox/                # CI / Build
│   │   └── ...
│   ├── ender-ml/                # ML server with ComfyUI
│   │   └── ...
│   ├── eva-01/                  # ThinkPad X1 Nano (Linux desktop)
│   │   └── ...
│   ├── eva-02/                  # macOS
│   │   └── configuration.nix
│   ├── eva-03/                  # Linux desktop with ComfyUI
│   │   └── ...
├── home-manager/
│   ├── home.nix                 # Home Manager config for `rogueking`
│   ├── commands/                # CLI tool modules
│   │   ├── commands.nix
│   │   ├── direnv.nix
│   │   ├── eza.nix
│   │   ├── git.nix
│   │   ├── newsboat.nix
│   │   ├── starship.nix
│   │   ├── tmux.nix
│   │   └── zsh.nix
│   │   └── custom/              # Custom command packages
│   │   └── fastfetch/
│   │   └── nixvim/
│   └── programs/                # GUI / desktop program modules
│       ├── programs.nix
│       ├── ghostty/
│       ├── hypr/
│       └── rofi/
└── assets/
    └── pfp/                     # Profile pictures
```

## Flake Inputs

| Input                    | Source                                       |
|--------------------------|----------------------------------------------|
| `nixpkgs`                | `nixos-26.05`                                |
| `nixpkgs-unstable`       | `nixos-unstable`                             |
| `nix-darwin`             | `nix-darwin-26.05`                           |
| `home-manager`           | `release-26.05` (follows `nixpkgs`)         |
| `home-manager-unstable`  | `master` (follows `nixpkgs-unstable`)        |
| `nixvim`                 | `nixos-26.05`                                |
| `nixos-hardware`         | `master`                                     |
| `disko`                  | Latest                                       |
| `nix-snapd`              | Latest                                       |
| `comfyui-nix`            | `main`                                       |

## Dev Shell

A `direnv`-friendly dev shell is available with `nixd`, `alejandra`, `nil`, `git`, and `bun`.

```bash
# Enter the dev shell
nix develop

# Or with direnv (if you have the .envrc set up)
direnv allow
```

## Commands

```bash
# Rebuild a host
sudo nixos-rebuild switch --flake .#eva-01

# Darwin rebuild
darwin-rebuild switch --flake .#eva-02

# Update flake inputs
nix flake update

# Build a specific host's ISO
nix build .#nixosConfigurations.eva-01-iso.config.system.build.isoImage
```