refactor: remove NixOS specific configuration and update installation messages for broader compatibility

setup.sh

@@ -81,65 +81,6 @@ validate_hostname() {
     return 0
 }
 
-update_nixos_flake() {
-    local hostname="$1"
-    local isServer="$2"
-    local isWorkstation="$3"
-    local flake_file="$DOTFILES_DIR/config/nixos/flake.nix"
-    
-    # Determine which common module to use
-    local common_module="./common/workstation.nix"
-    if [ "$isServer" = "true" ]; then
-        common_module="./common/server.nix"
-    fi
-
-    # Create new configuration entry
-    local new_config="        \"$hostname\" = nixpkgs.lib.nixosSystem {
-          inherit system;
-          modules = [
-            ./hardware/$hostname.nix
-            $common_module
-            ./configuration.nix
-          ];
-          specialArgs = {
-            inherit pkgs-unstable;
-            isWorkstation = $isWorkstation;
-            isServer = $isServer;
-          };
-        };
-        "
-
-    # Create temporary file
-    local temp_file=$(mktemp)
-    
-    # Find the line number where nixosConfigurations = { appears
-    local config_line=$(grep -n "nixosConfigurations = {" "$flake_file" | cut -d: -f1)
-    
-    if [ -z "$config_line" ]; then
-        rm "$temp_file"
-        die "Could not find nixosConfigurations in flake.nix"
-    fi
-
-    # Copy the file up to the line after nixosConfigurations = {
-    head -n "$config_line" "$flake_file" > "$temp_file"
-    
-    # Add the new configuration
-    echo "$new_config" >> "$temp_file"
-    
-    # Add the rest of the file starting from the line after nixosConfigurations = {
-    tail -n +"$((config_line + 1))" "$flake_file" >> "$temp_file"
-
-    # Validate the new file
-    if ! nix-shell -p nixfmt --run "nixfmt $temp_file"; then
-        rm "$temp_file"
-        return 1
-    fi
-
-    # Replace original file
-    mv "$temp_file" "$flake_file" || return 1
-    log_success "NixOS Flake configuration added successfully."
-}
-
 update_home_manager_flake() {
     local hostname="$1"
     local isServer="$2"
@@ -190,11 +131,11 @@ update_home_manager_flake() {
 
 install_nix() {
     if command -v nix-channel >/dev/null 2>&1; then
-        log_success "Detected NixOS, skipping Nix setup."
+        log_success "Detected Nix, skipping Nix setup."
         return 0
     fi
 
-    log_info "NixOS not detected, installing Nix..."
+    log_info "Nix not detected, installing Nix..."
     if ! sh <(curl -L https://nixos.org/nix/install) --daemon; then
         die "Failed to install Nix"
     fi
@@ -221,17 +162,6 @@ setup_symlinks() {
     ln -s "$DOTFILES_DIR/config/home-manager" "$HOME/.config/home-manager" || \
         die "Failed to create home-manager symlink"
 
-    # Handle NixOS configuration with proper sudo permissions
-    if [ -d "/etc/nixos" ]; then
-        if [ -f "/etc/nixos/configuration.nix" ]; then
-            backup_file "/etc/nixos/configuration.nix" true
-        fi
-
-        log_info "Linking /etc/nixos/configuration.nix to $DOTFILES_DIR/config/nixos/configuration.nix..."
-        sudo ln -s "$DOTFILES_DIR/config/nixos/configuration.nix" "/etc/nixos/configuration.nix" || \
-            die "Failed to create nixos configuration symlink"
-    fi
-
     # Verify symlinks
     confirm_symlink "$HOME/.config/home-manager" "Failed to set up home-manager symlink"
     log_success "Symlinks set up successfully."
@@ -298,7 +228,7 @@ warning_prompt() {
     log_success "This script will set up your machine using Menno's Dotfiles repository.\n"
     log_error "Please ensure you have a backup of your data before proceeding."
     log_error "This script will modify system files and may require sudo permissions.\n"
-    log_info "This script works best on a fresh NixOS/Fedora installation."
+    log_info "This script works best on a fresh Fedora, Ubuntu or Arch Linux installation."
     log_info "Type 'continue' to continue or Ctrl+C to exit."
     read -r -p "> " continue < /dev/tty
     if [ "$continue" != "continue" ]; then