for linux build

src-tauri/src/main.rs

@@ -42,14 +42,13 @@ fn close_splashscreen(app: tauri::AppHandle) -> Result<(), String> {
 
 #[tokio::main]
 async fn main() {
-    tauri::Builder::default()
+    let builder = tauri::Builder::default()
         .plugin(tauri_plugin_single_instance::init(|app, _, _| {
             #[cfg(desktop)]
             let _ = app.get_webview_window("main")
                 .expect("no main window")
                 .set_focus();
         }))
-        .plugin(tauri_plugin_updater::Builder::new().build())
         .plugin(
             tauri_plugin_aptabase::Builder::new("A-SH-1344793789")
                 .with_options(tauri_plugin_aptabase::InitOptions {
@@ -60,7 +59,15 @@ async fn main() {
         )
         .manage(SearchCancellationState::default())
         .manage(commit_ai::CommitAiEngine::new())
-        .plugin(tauri_plugin_dialog::init())
+        .plugin(tauri_plugin_dialog::init());
+
+    // Linux installs are expected to come from the system package manager (see the
+    // PKGBUILD), which owns updates itself — the self-updater is only wired up for
+    // the platforms whose install method this app ships (NSIS/Windows, .app/macOS).
+    #[cfg(not(target_os = "linux"))]
+    let builder = builder.plugin(tauri_plugin_updater::Builder::new().build());
+
+    builder
         .invoke_handler(tauri::generate_handler![
             open_repository,
             clone_repository,