adding install script

install.sh

@@ -0,0 +1,118 @@
+#!/usr/bin/env bash
+set -e
+
+# Use Nix to temporarily pull in Gum for a beautiful UI
+NIX_RUN="nix run --extra-experimental-features nix-command --extra-experimental-features flakes nixpkgs#gum --"
+
+clear
+$NIX_RUN style --border double --margin "1" --padding "1 2" --border-foreground 212 "Nomarchy OS Bootstrap"
+echo "This script will generate your private downstream environment."
+echo ""
+
+# 1. Gather User Information
+USERNAME=$($NIX_RUN input --placeholder "Enter your Linux username")
+HOSTNAME=$($NIX_RUN input --placeholder "Enter a hostname for this machine (e.g., nomarchy-sys)")
+
+# 2. Setup the Local Directory
+LOCAL_DIR="$HOME/.nomarchy"
+echo "Creating local downstream repository at $LOCAL_DIR..."
+mkdir -p "$LOCAL_DIR"/{system,home,secrets}
+
+# 3. Harvest the Hardware Configuration
+# A barebones install leaves this in /etc/nixos. We need it.
+echo "Copying hardware configuration..."
+sudo cp /etc/nixos/hardware-configuration.nix "$LOCAL_DIR/system/"
+sudo chown "$USER:users" "$LOCAL_DIR/system/hardware-configuration.nix"
+
+# 4. Generate the Downstream Flake
+echo "Drafting your private flake.nix..."
+cat <<EOF > "$LOCAL_DIR/flake.nix"
+{
+  description = "Private Downstream Machine Config (Nomarchy)";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
+    home-manager = {
+      url = "github:nix-community/home-manager/release-25.11";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    
+    # The Public Upstream Core
+    nomarchy.url = \"git+https://git.bemagri.xyz/bernardo/Nomarchy.git\
+  };
+
+  outputs = { self, nixpkgs, home-manager, witness-os, ... }@inputs: 
+  let
+    system = "x86_64-linux";
+    targetUser = "$USERNAME";
+  in {
+    # THE SYSTEM DOMAIN
+    nixosConfigurations."$HOSTNAME" = nixpkgs.lib.nixosSystem {
+      inherit system;
+      specialArgs = { inherit inputs; }; 
+      modules = [ 
+        ./system/hardware-configuration.nix
+        ./system/configuration.nix
+        nomarchy.nixosModules.system
+      ];
+    };
+
+    # THE USER DOMAIN
+    homeConfigurations."$USERNAME" = home-manager.lib.homeManagerConfiguration {
+      pkgs = nixpkgs.legacyPackages."\${system}";
+      extraSpecialArgs = { inherit inputs targetUser; }; 
+      modules = [ 
+        nomarchy.homeManagerModules.ui
+        ./home/home.nix
+      ];
+    };
+  };
+}
+EOF
+
+# 5. Generate the Scaffolding Files
+cat <<EOF > "$LOCAL_DIR/system/configuration.nix"
+{ pkgs, ... }: {
+  networking.hostName = "$HOSTNAME";
+  
+  # Add your private cryptography and C++ toolchains here later!
+  environment.systemPackages = with pkgs; [ gcc cmake gdb ];
+}
+EOF
+
+cat <<EOF > "$LOCAL_DIR/home/home.nix"
+{ ... }: {
+  home.username = "$USERNAME";
+  home.homeDirectory = "/home/$USERNAME";
+  home.stateVersion = "25.11";
+  
+  home.shellAliases = {
+    update-sys = "sudo nixos-rebuild switch --flake ~/.nomarchy#$HOSTNAME";
+    update-home  = "nix run home-manager/release-25.11 -- switch --flake ~/.nomarchy#$USERNAME";
+  };
+}
+EOF
+
+# 6. Initialize Version Control
+echo "Initializing Git repository..."
+nix run nixpkgs#git -- -C "$LOCAL_DIR" init
+nix run nixpkgs#git -- -C "$LOCAL_DIR" add .
+
+# 7. Execution
+clear
+$NIX_RUN style --border normal --margin "1" --padding "1 2" --border-foreground 212 "Ready for Genesis"
+echo "Your private downstream configuration has been generated."
+
+if $NIX_RUN confirm "Build Witness OS now? (This will take a few minutes)"; then
+    echo "Building System Engine..."
+    sudo nixos-rebuild switch --flake "$LOCAL_DIR#$HOSTNAME" --extra-experimental-features "nix-command flakes"
+    
+    echo "Building User Interface..."
+    nix run home-manager/release-25.11 -- switch --flake "$LOCAL_DIR#$USERNAME"
+    
+    clear
+    $NIX_RUN style --border double --margin "1" --padding "1 2" --border-foreground 212 "Installation Complete"
+    echo "Welcome to Witness OS. Reboot to enter your new environment."
+else
+    echo "Aborted. You can review your files in $LOCAL_DIR and run the build manually later."
+fi