Nix Configuration

Personal Nix flake managing NixOS and macOS systems with Home Manager, powered by nixos-unified.

Systems

Host	OS	Arch	Description
blender	NixOS	x86_64	Desktop with KDE Plasma 6, NVIDIA GPU
squeezer	macOS	aarch64	MacBook (full Homebrew app set)
juicer	macOS	aarch64	macOS with minimal Home Manager profile

Quick Start

# Activate current system (auto-detects hostname)
nix run .#activate

# Update flake inputs and activate
nix run .#update && nix run .#activate

New Machine Setup

# 1. Install Nix
curl -L https://nixos.org/nix/install | sh -s -- --daemon

# 2. Enable flakes
mkdir -p ~/.config/nix
echo "experimental-features = nix-command flakes" >> ~/.config/nix/nix.conf

# 3. Clone dotfiles
git clone <repo> ~/.config/dotfiles
cd ~/.config/dotfiles

# 4. Activate
nix run .#activate           # Full system (matches hostname)
nix run .#activate squeezer  # Specific Darwin config (full apps)
nix run .#activate juicer    # Specific Darwin config (minimal apps)
nix run .#activate blender   # Specific NixOS config
nix run .#activate citrus@   # Home Manager only (for Ubuntu/other Linux)

Structure

.
├── flake.nix                    # nixos-unified flake
├── personal.nix                 # User info (git, username)
├── configurations/
│   ├── nixos/blender/           # nixosConfigurations.blender
│   ├── darwin/squeezer/         # darwinConfigurations.squeezer (full apps)
│   ├── darwin/juicer/           # darwinConfigurations.juicer (minimal apps)
│   └── home/                    # Home Manager profiles
│       ├── default/             # default profile (used on blender/squeezer)
│       ├── minimal/             # minimal profile (used on juicer)
│       └── development/         # dev-focused profile
├── modules/
│   ├── nixos/                   # NixOS modules → nixosModules.*
│   ├── darwin/                  # Darwin modules → darwinModules.*
│   ├── shared/                  # Shared modules (nix, fonts)
│   └── flake/                   # Flake-parts modules (overlays, formatter)

Languages

Each language module includes runtime, LSP, and tools:

Language	Runtime	LSP	Tools
Go	go	gopls	gofumpt, golangci-lint
Rust	rustc, cargo	rust-analyzer	clippy, rustfmt
TypeScript	nodejs	typescript-language-server	prettier
Python	python3	pyright	ruff
Nix	-	nixd	nixfmt-rfc-style
YAML	-	yaml-language-server	-
JSON	-	vscode-langservers-extracted	-

macOS Apps

Managed via Homebrew in configurations/darwin/squeezer/applications.nix (full set) and configurations/darwin/juicer/applications.nix (minimal set).

Channels

• nixpkgs (25.11): Stable base
• nixpkgs-unstable: Latest packages via pkgs.unstable.*