Unify apply script across platforms and remove build-switch

apps/aarch64-darwin/apply

@@ -1,15 +0,0 @@
-#!/usr/bin/env nu
-
-use ../common.nu *
-
-def main [hostname?: string, ...rest: string] {
-    let host = if ($hostname | is-empty) {
-        try { scutil --get LocalHostName | str trim } catch { hostname -s | str trim }
-    } else { $hostname }
-    
-    print_info $"Applying configuration for ($host)"
-    
-    nix run nix-darwin -- switch --flake $".#($host)" ...$rest
-    
-    print_success "Configuration applied successfully"
-}

apps/aarch64-darwin/build-switch

@@ -1,30 +0,0 @@
-#!/usr/bin/env nu
-
-use ../common.nu *
-
-def main [hostname?: string, ...rest: string] {
-    let host = if ($hostname | is-empty) {
-        try { scutil --get LocalHostName | str trim } catch { hostname -s | str trim }
-    } else { $hostname }
-    
-    print_info $"Building and switching configuration for ($host)"
-    
-    # Build
-    print_info "Building configuration..."
-    if (nix build $".#darwinConfigurations.($host).system" --show-trace ...$rest | complete).exit_code != 0 {
-        print_error "Build failed"
-        exit 1
-    }
-    
-    print_success "Build completed"
-    
-    # Switch
-    print_info "Switching to new configuration..."
-    sudo ./result/sw/bin/darwin-rebuild switch --flake $".#($host)" ...$rest
-    
-    if ("./result" | path exists) {
-        rm ./result
-    }
-    
-    print_success "Build and switch completed successfully"
-}

apps/apply

@@ -0,0 +1,32 @@
+#!/usr/bin/env nu
+
+use ./common.nu *
+
+def get-hostname [] {
+	if $nu.os-info.name == "macos" {
+		try { ^scutil --get LocalHostName | str trim } catch { ^hostname -s | str trim }
+	} else {
+		^hostname | str trim
+	}
+}
+
+def main [hostname?: string, ...rest: string] {
+	let host = if ($hostname | is-empty) {
+		get-hostname
+	} else { $hostname }
+
+	print_info $"Applying configuration for ($host)"
+
+	if $nu.os-info.name == "macos" {
+		sudo nix run nix-darwin -- switch --flake $".#($host)" ...$rest
+	} else {
+		let euid = (id -u | str trim | into int)
+		if $euid != 0 {
+			sudo nixos-rebuild switch --flake $".#($host)" ...$rest
+		} else {
+			nixos-rebuild switch --flake $".#($host)" ...$rest
+		}
+	}
+
+	print_success "Configuration applied successfully"
+}

apps/x86_64-linux/apply

@@ -1,21 +0,0 @@
-#!/usr/bin/env nu
-
-use ../common.nu *
-
-def main [hostname?: string, ...rest: string] {
-    let host = if ($hostname | is-empty) {
-        hostname | str trim
-    } else { $hostname }
-    
-    print_info $"Applying configuration for ($host)"
-    
-    let euid = (id -u | str trim | into int)
-    
-    if $euid != 0 {
-        sudo nixos-rebuild switch --flake $".#($host)" ...$rest
-    } else {
-        nixos-rebuild switch --flake $".#($host)" ...$rest
-    }
-    
-    print_success "Configuration applied successfully"
-}

apps/x86_64-linux/build-switch

@@ -1,32 +0,0 @@
-#!/usr/bin/env nu
-
-use ../common.nu *
-
-def main [hostname?: string, ...rest: string] {
-    let host = if ($hostname | is-empty) {
-        hostname | str trim
-    } else { $hostname }
-    
-    print_info $"Building and switching configuration for ($host)"
-    
-    # Build
-    print_info "Building configuration..."
-    if (nix build $".#nixosConfigurations.($host).config.system.build.toplevel" --no-link ...$rest | complete).exit_code != 0 {
-        print_error "Build failed"
-        exit 1
-    }
-    
-    print_success "Build completed"
-    
-    # Switch
-    print_info "Switching to new configuration..."
-    let euid = (id -u | str trim | into int)
-    
-    if $euid != 0 {
-        sudo nixos-rebuild switch --flake $".#($host)" ...$rest
-    } else {
-        nixos-rebuild switch --flake $".#($host)" ...$rest
-    }
-    
-    print_success "Build and switch completed successfully"
-}

modules/apps.nix

@@ -7,23 +7,31 @@
 		descriptions = {
 			apply = "Build and apply configuration";
 			build = "Build configuration";
-			build-switch = "Build and switch configuration";
 			rollback = "Rollback to previous generation";
 			update = "Update flake inputs and regenerate flake.nix";
 		};
-		mkApp = name: {
+		mkPlatformApp = name: {
 			type = "app";
 			program = "${(pkgs.writeShellScriptBin name ''
 					PATH=${pkgs.git}/bin:$PATH
-					echo "Running ${name} for ${system}"
 					exec ${inputs.self}/apps/${system}/${name} "$@"
 				'')}/bin/${name}";
 			meta.description = descriptions.${name};
 		};
-		appNames = ["apply" "build" "build-switch" "rollback" "update"];
+		mkSharedApp = name: {
+			type = "app";
+			program = "${(pkgs.writeShellScriptBin name ''
+					PATH=${pkgs.git}/bin:$PATH
+					exec ${inputs.self}/apps/${name} "$@"
+				'')}/bin/${name}";
+			meta.description = descriptions.${name};
+		};
+		platformAppNames = ["build" "rollback" "update"];
+		sharedAppNames = ["apply"];
 	in {
 		apps =
-			pkgs.lib.genAttrs appNames mkApp
+			pkgs.lib.genAttrs platformAppNames mkPlatformApp
+			// pkgs.lib.genAttrs sharedAppNames mkSharedApp
 			// {
 				deploy = {
 					type = "app";