tauri-plugins-workspace/plugins/single-instance/examples/vanilla/src-tauri/src/main.rs

#![cfg_attr(
  all(not(debug_assertions), target_os = "windows"),
  windows_subsystem = "windows"
)]

fn main() {
  tauri::Builder::default()
    .plugin(tauri_plugin_single_instance::init(|app, argv, cwd| {
      println!("{}, {argv:?}, {cwd}", app.package_info().name);
    }))
    .run(tauri::generate_context!())
    .expect("error while running tauri application");
}