nixcfg/CLAUDE.md

Project Analysis Summary

This is a comprehensive NixOS/Nix-Darwin configuration repository that follows a structured, modular approach to managing system configurations. Here's an overview:

Project Structure and Purpose

This repository is a Nix Flake-based configuration setup for managing multiple systems across different architectures:

• NixOS systems (x86_64-linux, aarch64-linux)
• macOS systems (x86_64-darwin, aarch64-darwin)
• Home Manager configurations for user environments

Key Components

1. Flake Configuration

   • Uses Snowfall library for flake structure
   • Integrates multiple inputs including:
     • NixOS and Nixpkgs (stable and unstable)
     • Nix-Darwin for macOS
     • Home Manager for user environments
     • Various specialized tools (lanzaboote, sops-nix, disko, etc.)

2. Modular Structure

   • modules/: Reusable configuration modules (NixOS, Darwin, Home-Manager)
   • systems/: System-specific configurations organized by architecture
   • homes/: User-specific Home Manager configurations
   • lib/: Helper functions and utilities
   • overlays/: Nixpkgs modifications
   • packages/: Custom package definitions

3. Notable Features

   • Supports secure boot via Lanzaboote
   • Includes specialized SGX (Software Guard Extensions) configurations
   • Uses SOPS for secrets management
   • Implements disk configuration via Disko
   • Provides NixOS mailserver configuration
   • Includes Neovim configuration via flake
   • Homebrew integration for macOS
   • CLAUDE.md with development guidelines

Development Practices

Based on the CLAUDE.md file being added, the project follows these practices:

• Standardized build and configuration commands
• Consistent module structure with mkEnableOption and mkIf patterns
• Namespace convention using metacfg
• Organized file/directory naming (kebab-case for files, camelCase for options)
• Documented code and conventional commit format

Usage

The project provides commands for:

• Installing systems via nixos-anywhere
• Updating NixOS and macOS systems
• Managing Home Manager configurations
• All using the flake as the central configuration source

This appears to be a well-organized, comprehensive Nix configuration setup for managing multiple systems across different architectures with a focus on modularity, reusability, and maintainability.