Complete NixOS rewrite: Transform Omarchy from Arch to declarative NixOS
- Replace shell script-based Arch installation with declarative NixOS configuration - Implement flake-based architecture for reproducible builds - Add modular system with feature flags (Docker, gaming, development, etc.) - Create declarative theme system with Tokyo Night and Catppuccin - Convert utility scripts to Nix packages with proper derivations - Add comprehensive development environments (Rust, Go, Python, Node.js, C/C++) - Implement Home Manager integration for user environment management - Add interactive installer with theme selection and feature configuration - Update documentation for NixOS-specific workflows and commands - Provide atomic updates with rollback capability This maintains all aesthetic and functional benefits of original Omarchy while gaining NixOS power: reproducibility, version control, and atomic updates. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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theArctesian
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flake.nix
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flake.nix
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{
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description = "Omarchy - NixOS configuration for modern development";
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inputs = {
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# Nixpkgs
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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nixpkgs-stable.url = "github:NixOS/nixpkgs/nixos-24.05";
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# Home manager
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home-manager = {
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url = "github:nix-community/home-manager";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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# Hyprland
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hyprland = {
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url = "github:hyprwm/Hyprland";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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# Hyprland plugins
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hyprland-plugins = {
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url = "github:hyprwm/hyprland-plugins";
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inputs.hyprland.follows = "hyprland";
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};
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# Stylix for theming
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stylix = {
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url = "github:danth/stylix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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# Nix colors
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nix-colors.url = "github:misterio77/nix-colors";
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# Neovim nightly
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neovim-nightly-overlay = {
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url = "github:nix-community/neovim-nightly-overlay";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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# NUR for additional packages
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nur.url = "github:nix-community/NUR";
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};
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outputs = { self, nixpkgs, home-manager, ... }@inputs:
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let
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system = "x86_64-linux";
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pkgs = import nixpkgs {
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inherit system;
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config = {
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allowUnfree = true;
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};
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overlays = [
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inputs.nur.overlay
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inputs.neovim-nightly-overlay.overlay
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];
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};
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in
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{
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# NixOS configuration
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nixosConfigurations = {
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omarchy = nixpkgs.lib.nixosSystem {
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inherit system;
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specialArgs = { inherit inputs; };
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modules = [
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./configuration.nix
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home-manager.nixosModules.home-manager
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{
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home-manager = {
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useGlobalPkgs = true;
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useUserPackages = true;
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extraSpecialArgs = { inherit inputs; };
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users = {
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# Replace with your username
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user = import ./home.nix;
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};
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};
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}
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];
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};
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};
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# Development shells
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devShells.${system} = {
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default = pkgs.mkShell {
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packages = with pkgs; [
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# Development tools
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git
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neovim
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ripgrep
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fd
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bat
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eza
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fzf
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zoxide
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starship
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lazygit
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gh
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# Language servers and formatters
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nil # Nix LSP
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nixpkgs-fmt
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statix
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deadnix
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# Build tools
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gnumake
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gcc
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nodejs_20
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python3
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rustc
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cargo
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go
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];
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shellHook = ''
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echo "🚀 Welcome to Omarchy development environment!"
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echo ""
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echo "Available commands:"
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echo " omarchy-rebuild - Rebuild system configuration"
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echo " omarchy-update - Update flake inputs"
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echo " omarchy-clean - Garbage collect nix store"
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echo ""
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# Setup aliases
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alias omarchy-rebuild="sudo nixos-rebuild switch --flake .#omarchy"
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alias omarchy-update="nix flake update"
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alias omarchy-clean="nix-collect-garbage -d"
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# Initialize starship prompt
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eval "$(starship init bash)"
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'';
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};
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# Python development
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python = pkgs.mkShell {
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packages = with pkgs; [
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python3
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python3Packages.pip
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python3Packages.virtualenv
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python3Packages.ipython
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python3Packages.black
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python3Packages.pylint
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python3Packages.pytest
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ruff
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];
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};
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# Node.js development
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node = pkgs.mkShell {
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packages = with pkgs; [
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nodejs_20
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nodePackages.npm
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nodePackages.pnpm
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nodePackages.yarn
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nodePackages.typescript
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nodePackages.eslint
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nodePackages.prettier
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];
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};
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# Rust development
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rust = pkgs.mkShell {
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packages = with pkgs; [
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rustc
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cargo
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rustfmt
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rust-analyzer
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clippy
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];
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};
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};
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# Packages that can be built
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packages.${system} = {
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# Omarchy scripts as packages
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omarchy-scripts = pkgs.callPackage ./packages/scripts.nix {};
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# Plymouth theme
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plymouth-theme-omarchy = pkgs.callPackage ./packages/plymouth-theme.nix {};
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};
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# Apps that can be run
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apps.${system} = {
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# Installer
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installer = {
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type = "app";
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program = "${pkgs.writeShellScriptBin "omarchy-install" ''
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#!/usr/bin/env bash
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set -e
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echo "🚀 Omarchy NixOS Installer"
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echo "========================="
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echo ""
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# Check if running on NixOS
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if [ ! -f /etc/nixos/configuration.nix ]; then
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echo "Error: This installer must be run on a NixOS system"
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exit 1
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fi
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echo "This will install Omarchy configuration to your NixOS system."
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read -p "Continue? (y/n) " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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exit 1
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fi
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# Backup existing configuration
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echo "📦 Backing up existing configuration..."
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sudo cp -r /etc/nixos /etc/nixos.backup.$(date +%Y%m%d-%H%M%S)
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# Copy new configuration
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echo "📝 Installing Omarchy configuration..."
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sudo cp -r ${self}/* /etc/nixos/
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# Initialize flake
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echo "🔧 Initializing flake..."
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cd /etc/nixos
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sudo git init
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sudo git add -A
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# Rebuild
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echo "🏗️ Rebuilding system..."
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sudo nixos-rebuild switch --flake /etc/nixos#omarchy
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echo ""
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echo "✅ Installation complete!"
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echo "🎉 Welcome to Omarchy!"
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''}/bin/omarchy-install";
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};
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};
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};
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}
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