1mod update_notification;
2
3use anyhow::{anyhow, Context, Result};
4use client::{Client, TelemetrySettings};
5use db::kvp::KEY_VALUE_STORE;
6use db::RELEASE_CHANNEL;
7use editor::{Editor, MultiBuffer};
8use gpui::{
9 actions, AppContext, AsyncAppContext, Context as _, Global, Model, ModelContext,
10 SemanticVersion, SharedString, Task, View, ViewContext, VisualContext, WindowContext,
11};
12use isahc::AsyncBody;
13
14use markdown_preview::markdown_preview_view::{MarkdownPreviewMode, MarkdownPreviewView};
15use schemars::JsonSchema;
16use serde::Deserialize;
17use serde_derive::Serialize;
18use smol::{fs, io::AsyncReadExt};
19
20use settings::{Settings, SettingsSources, SettingsStore};
21use smol::{fs::File, process::Command};
22
23use http_client::{HttpClient, HttpClientWithUrl};
24use release_channel::{AppCommitSha, AppVersion, ReleaseChannel};
25use std::{
26 env::{
27 self,
28 consts::{ARCH, OS},
29 },
30 ffi::OsString,
31 path::{Path, PathBuf},
32 sync::Arc,
33 time::Duration,
34};
35use update_notification::UpdateNotification;
36use util::ResultExt;
37use workspace::notifications::NotificationId;
38use workspace::Workspace;
39
40const SHOULD_SHOW_UPDATE_NOTIFICATION_KEY: &str = "auto-updater-should-show-updated-notification";
41const POLL_INTERVAL: Duration = Duration::from_secs(60 * 60);
42
43actions!(
44 auto_update,
45 [
46 Check,
47 DismissErrorMessage,
48 ViewReleaseNotes,
49 ViewReleaseNotesLocally
50 ]
51);
52
53#[derive(Serialize)]
54struct UpdateRequestBody {
55 installation_id: Option<Arc<str>>,
56 release_channel: Option<&'static str>,
57 telemetry: bool,
58 is_staff: Option<bool>,
59 destination: &'static str,
60}
61
62#[derive(Clone, PartialEq, Eq)]
63pub enum AutoUpdateStatus {
64 Idle,
65 Checking,
66 Downloading,
67 Installing,
68 Updated { binary_path: PathBuf },
69 Errored,
70}
71
72impl AutoUpdateStatus {
73 pub fn is_updated(&self) -> bool {
74 matches!(self, Self::Updated { .. })
75 }
76}
77
78pub struct AutoUpdater {
79 status: AutoUpdateStatus,
80 current_version: SemanticVersion,
81 http_client: Arc<HttpClientWithUrl>,
82 pending_poll: Option<Task<Option<()>>>,
83}
84
85#[derive(Deserialize)]
86struct JsonRelease {
87 version: String,
88 url: String,
89}
90
91struct MacOsUnmounter {
92 mount_path: PathBuf,
93}
94
95impl Drop for MacOsUnmounter {
96 fn drop(&mut self) {
97 let unmount_output = std::process::Command::new("hdiutil")
98 .args(["detach", "-force"])
99 .arg(&self.mount_path)
100 .output();
101
102 match unmount_output {
103 Ok(output) if output.status.success() => {
104 log::info!("Successfully unmounted the disk image");
105 }
106 Ok(output) => {
107 log::error!(
108 "Failed to unmount disk image: {:?}",
109 String::from_utf8_lossy(&output.stderr)
110 );
111 }
112 Err(error) => {
113 log::error!("Error while trying to unmount disk image: {:?}", error);
114 }
115 }
116 }
117}
118
119struct AutoUpdateSetting(bool);
120
121/// Whether or not to automatically check for updates.
122///
123/// Default: true
124#[derive(Clone, Copy, Default, JsonSchema, Deserialize, Serialize)]
125#[serde(transparent)]
126struct AutoUpdateSettingContent(bool);
127
128impl Settings for AutoUpdateSetting {
129 const KEY: Option<&'static str> = Some("auto_update");
130
131 type FileContent = Option<AutoUpdateSettingContent>;
132
133 fn load(sources: SettingsSources<Self::FileContent>, _: &mut AppContext) -> Result<Self> {
134 let auto_update = [sources.release_channel, sources.user]
135 .into_iter()
136 .find_map(|value| value.copied().flatten())
137 .unwrap_or(sources.default.ok_or_else(Self::missing_default)?);
138
139 Ok(Self(auto_update.0))
140 }
141}
142
143#[derive(Default)]
144struct GlobalAutoUpdate(Option<Model<AutoUpdater>>);
145
146impl Global for GlobalAutoUpdate {}
147
148#[derive(Deserialize)]
149struct ReleaseNotesBody {
150 title: String,
151 release_notes: String,
152}
153
154pub fn init(http_client: Arc<HttpClientWithUrl>, cx: &mut AppContext) {
155 AutoUpdateSetting::register(cx);
156
157 cx.observe_new_views(|workspace: &mut Workspace, _cx| {
158 workspace.register_action(|_, action: &Check, cx| check(action, cx));
159
160 workspace.register_action(|_, action, cx| {
161 view_release_notes(action, cx);
162 });
163
164 workspace.register_action(|workspace, _: &ViewReleaseNotesLocally, cx| {
165 view_release_notes_locally(workspace, cx);
166 });
167 })
168 .detach();
169
170 let version = release_channel::AppVersion::global(cx);
171 let auto_updater = cx.new_model(|cx| {
172 let updater = AutoUpdater::new(version, http_client);
173
174 let poll_for_updates = ReleaseChannel::try_global(cx)
175 .map(|channel| channel.poll_for_updates())
176 .unwrap_or(false);
177
178 if option_env!("ZED_UPDATE_EXPLANATION").is_none()
179 && env::var("ZED_UPDATE_EXPLANATION").is_err()
180 && poll_for_updates
181 {
182 let mut update_subscription = AutoUpdateSetting::get_global(cx)
183 .0
184 .then(|| updater.start_polling(cx));
185
186 cx.observe_global::<SettingsStore>(move |updater, cx| {
187 if AutoUpdateSetting::get_global(cx).0 {
188 if update_subscription.is_none() {
189 update_subscription = Some(updater.start_polling(cx))
190 }
191 } else {
192 update_subscription.take();
193 }
194 })
195 .detach();
196 }
197
198 updater
199 });
200 cx.set_global(GlobalAutoUpdate(Some(auto_updater)));
201}
202
203pub fn check(_: &Check, cx: &mut WindowContext) {
204 if let Some(message) = option_env!("ZED_UPDATE_EXPLANATION") {
205 drop(cx.prompt(
206 gpui::PromptLevel::Info,
207 "Zed was installed via a package manager.",
208 Some(message),
209 &["Ok"],
210 ));
211 return;
212 }
213
214 if let Ok(message) = env::var("ZED_UPDATE_EXPLANATION") {
215 drop(cx.prompt(
216 gpui::PromptLevel::Info,
217 "Zed was installed via a package manager.",
218 Some(&message),
219 &["Ok"],
220 ));
221 return;
222 }
223
224 if !ReleaseChannel::try_global(cx)
225 .map(|channel| channel.poll_for_updates())
226 .unwrap_or(false)
227 {
228 return;
229 }
230
231 if let Some(updater) = AutoUpdater::get(cx) {
232 updater.update(cx, |updater, cx| updater.poll(cx));
233 } else {
234 drop(cx.prompt(
235 gpui::PromptLevel::Info,
236 "Could not check for updates",
237 Some("Auto-updates disabled for non-bundled app."),
238 &["Ok"],
239 ));
240 }
241}
242
243pub fn view_release_notes(_: &ViewReleaseNotes, cx: &mut AppContext) -> Option<()> {
244 let auto_updater = AutoUpdater::get(cx)?;
245 let release_channel = ReleaseChannel::try_global(cx)?;
246
247 if matches!(
248 release_channel,
249 ReleaseChannel::Stable | ReleaseChannel::Preview
250 ) {
251 let auto_updater = auto_updater.read(cx);
252 let release_channel = release_channel.dev_name();
253 let current_version = auto_updater.current_version;
254 let url = &auto_updater
255 .http_client
256 .build_url(&format!("/releases/{release_channel}/{current_version}"));
257 cx.open_url(url);
258 }
259
260 None
261}
262
263fn view_release_notes_locally(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) {
264 let release_channel = ReleaseChannel::global(cx);
265 let version = AppVersion::global(cx).to_string();
266
267 let client = client::Client::global(cx).http_client();
268 let url = client.build_url(&format!(
269 "/api/release_notes/{}/{}",
270 release_channel.dev_name(),
271 version
272 ));
273
274 let markdown = workspace
275 .app_state()
276 .languages
277 .language_for_name("Markdown");
278
279 workspace
280 .with_local_workspace(cx, move |_, cx| {
281 cx.spawn(|workspace, mut cx| async move {
282 let markdown = markdown.await.log_err();
283 let response = client.get(&url, Default::default(), true).await;
284 let Some(mut response) = response.log_err() else {
285 return;
286 };
287
288 let mut body = Vec::new();
289 response.body_mut().read_to_end(&mut body).await.ok();
290
291 let body: serde_json::Result<ReleaseNotesBody> =
292 serde_json::from_slice(body.as_slice());
293
294 if let Ok(body) = body {
295 workspace
296 .update(&mut cx, |workspace, cx| {
297 let project = workspace.project().clone();
298 let buffer = project.update(cx, |project, cx| {
299 project.create_local_buffer("", markdown, cx)
300 });
301 buffer.update(cx, |buffer, cx| {
302 buffer.edit([(0..0, body.release_notes)], None, cx)
303 });
304 let language_registry = project.read(cx).languages().clone();
305
306 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
307
308 let tab_description = SharedString::from(body.title.to_string());
309 let editor = cx.new_view(|cx| {
310 Editor::for_multibuffer(buffer, Some(project), true, cx)
311 });
312 let workspace_handle = workspace.weak_handle();
313 let view: View<MarkdownPreviewView> = MarkdownPreviewView::new(
314 MarkdownPreviewMode::Default,
315 editor,
316 workspace_handle,
317 language_registry,
318 Some(tab_description),
319 cx,
320 );
321 workspace.add_item_to_active_pane(
322 Box::new(view.clone()),
323 None,
324 true,
325 cx,
326 );
327 cx.notify();
328 })
329 .log_err();
330 }
331 })
332 .detach();
333 })
334 .detach();
335}
336
337pub fn notify_of_any_new_update(cx: &mut ViewContext<Workspace>) -> Option<()> {
338 let updater = AutoUpdater::get(cx)?;
339 let version = updater.read(cx).current_version;
340 let should_show_notification = updater.read(cx).should_show_update_notification(cx);
341
342 cx.spawn(|workspace, mut cx| async move {
343 let should_show_notification = should_show_notification.await?;
344 if should_show_notification {
345 workspace.update(&mut cx, |workspace, cx| {
346 workspace.show_notification(
347 NotificationId::unique::<UpdateNotification>(),
348 cx,
349 |cx| cx.new_view(|_| UpdateNotification::new(version)),
350 );
351 updater
352 .read(cx)
353 .set_should_show_update_notification(false, cx)
354 .detach_and_log_err(cx);
355 })?;
356 }
357 anyhow::Ok(())
358 })
359 .detach();
360
361 None
362}
363
364impl AutoUpdater {
365 pub fn get(cx: &mut AppContext) -> Option<Model<Self>> {
366 cx.default_global::<GlobalAutoUpdate>().0.clone()
367 }
368
369 fn new(current_version: SemanticVersion, http_client: Arc<HttpClientWithUrl>) -> Self {
370 Self {
371 status: AutoUpdateStatus::Idle,
372 current_version,
373 http_client,
374 pending_poll: None,
375 }
376 }
377
378 pub fn start_polling(&self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
379 cx.spawn(|this, mut cx| async move {
380 loop {
381 this.update(&mut cx, |this, cx| this.poll(cx))?;
382 cx.background_executor().timer(POLL_INTERVAL).await;
383 }
384 })
385 }
386
387 pub fn poll(&mut self, cx: &mut ModelContext<Self>) {
388 if self.pending_poll.is_some() || self.status.is_updated() {
389 return;
390 }
391
392 cx.notify();
393
394 self.pending_poll = Some(cx.spawn(|this, mut cx| async move {
395 let result = Self::update(this.upgrade()?, cx.clone()).await;
396 this.update(&mut cx, |this, cx| {
397 this.pending_poll = None;
398 if let Err(error) = result {
399 log::error!("auto-update failed: error:{:?}", error);
400 this.status = AutoUpdateStatus::Errored;
401 cx.notify();
402 }
403 })
404 .ok()
405 }));
406 }
407
408 pub fn status(&self) -> AutoUpdateStatus {
409 self.status.clone()
410 }
411
412 pub fn dismiss_error(&mut self, cx: &mut ModelContext<Self>) {
413 self.status = AutoUpdateStatus::Idle;
414 cx.notify();
415 }
416
417 pub async fn get_latest_remote_server_release(
418 os: &str,
419 arch: &str,
420 mut release_channel: ReleaseChannel,
421 cx: &mut AsyncAppContext,
422 ) -> Result<PathBuf> {
423 let this = cx.update(|cx| {
424 cx.default_global::<GlobalAutoUpdate>()
425 .0
426 .clone()
427 .ok_or_else(|| anyhow!("auto-update not initialized"))
428 })??;
429
430 if release_channel == ReleaseChannel::Dev {
431 release_channel = ReleaseChannel::Nightly;
432 }
433
434 let release = Self::get_latest_release(
435 &this,
436 "zed-remote-server",
437 os,
438 arch,
439 Some(release_channel),
440 cx,
441 )
442 .await?;
443
444 let servers_dir = paths::remote_servers_dir();
445 let channel_dir = servers_dir.join(release_channel.dev_name());
446 let platform_dir = channel_dir.join(format!("{}-{}", os, arch));
447 let version_path = platform_dir.join(format!("{}.gz", release.version));
448 smol::fs::create_dir_all(&platform_dir).await.ok();
449
450 let client = this.read_with(cx, |this, _| this.http_client.clone())?;
451 if smol::fs::metadata(&version_path).await.is_err() {
452 log::info!("downloading zed-remote-server {os} {arch}");
453 download_remote_server_binary(&version_path, release, client, cx).await?;
454 }
455
456 Ok(version_path)
457 }
458
459 async fn get_latest_release(
460 this: &Model<Self>,
461 asset: &str,
462 os: &str,
463 arch: &str,
464 release_channel: Option<ReleaseChannel>,
465 cx: &mut AsyncAppContext,
466 ) -> Result<JsonRelease> {
467 let client = this.read_with(cx, |this, _| this.http_client.clone())?;
468 let mut url_string = client.build_url(&format!(
469 "/api/releases/latest?asset={}&os={}&arch={}",
470 asset, os, arch
471 ));
472 if let Some(param) = release_channel.and_then(|c| c.release_query_param()) {
473 url_string += "&";
474 url_string += param;
475 }
476
477 let mut response = client.get(&url_string, Default::default(), true).await?;
478
479 let mut body = Vec::new();
480 response
481 .body_mut()
482 .read_to_end(&mut body)
483 .await
484 .context("error reading release")?;
485
486 if !response.status().is_success() {
487 Err(anyhow!(
488 "failed to fetch release: {:?}",
489 String::from_utf8_lossy(&body),
490 ))?;
491 }
492
493 serde_json::from_slice(body.as_slice()).with_context(|| {
494 format!(
495 "error deserializing release {:?}",
496 String::from_utf8_lossy(&body),
497 )
498 })
499 }
500
501 async fn update(this: Model<Self>, mut cx: AsyncAppContext) -> Result<()> {
502 let (client, current_version, release_channel) = this.update(&mut cx, |this, cx| {
503 this.status = AutoUpdateStatus::Checking;
504 cx.notify();
505 (
506 this.http_client.clone(),
507 this.current_version,
508 ReleaseChannel::try_global(cx),
509 )
510 })?;
511
512 let release =
513 Self::get_latest_release(&this, "zed", OS, ARCH, release_channel, &mut cx).await?;
514
515 let should_download = match *RELEASE_CHANNEL {
516 ReleaseChannel::Nightly => cx
517 .update(|cx| AppCommitSha::try_global(cx).map(|sha| release.version != sha.0))
518 .ok()
519 .flatten()
520 .unwrap_or(true),
521 _ => release.version.parse::<SemanticVersion>()? > current_version,
522 };
523
524 if !should_download {
525 this.update(&mut cx, |this, cx| {
526 this.status = AutoUpdateStatus::Idle;
527 cx.notify();
528 })?;
529 return Ok(());
530 }
531
532 this.update(&mut cx, |this, cx| {
533 this.status = AutoUpdateStatus::Downloading;
534 cx.notify();
535 })?;
536
537 let temp_dir = tempfile::Builder::new()
538 .prefix("zed-auto-update")
539 .tempdir()?;
540
541 let filename = match OS {
542 "macos" => Ok("Zed.dmg"),
543 "linux" => Ok("zed.tar.gz"),
544 _ => Err(anyhow!("not supported: {:?}", OS)),
545 }?;
546 let downloaded_asset = temp_dir.path().join(filename);
547 download_release(&downloaded_asset, release, client, &cx).await?;
548
549 this.update(&mut cx, |this, cx| {
550 this.status = AutoUpdateStatus::Installing;
551 cx.notify();
552 })?;
553
554 let binary_path = match OS {
555 "macos" => install_release_macos(&temp_dir, downloaded_asset, &cx).await,
556 "linux" => install_release_linux(&temp_dir, downloaded_asset, &cx).await,
557 _ => Err(anyhow!("not supported: {:?}", OS)),
558 }?;
559
560 this.update(&mut cx, |this, cx| {
561 this.set_should_show_update_notification(true, cx)
562 .detach_and_log_err(cx);
563 this.status = AutoUpdateStatus::Updated { binary_path };
564 cx.notify();
565 })?;
566
567 Ok(())
568 }
569
570 fn set_should_show_update_notification(
571 &self,
572 should_show: bool,
573 cx: &AppContext,
574 ) -> Task<Result<()>> {
575 cx.background_executor().spawn(async move {
576 if should_show {
577 KEY_VALUE_STORE
578 .write_kvp(
579 SHOULD_SHOW_UPDATE_NOTIFICATION_KEY.to_string(),
580 "".to_string(),
581 )
582 .await?;
583 } else {
584 KEY_VALUE_STORE
585 .delete_kvp(SHOULD_SHOW_UPDATE_NOTIFICATION_KEY.to_string())
586 .await?;
587 }
588 Ok(())
589 })
590 }
591
592 fn should_show_update_notification(&self, cx: &AppContext) -> Task<Result<bool>> {
593 cx.background_executor().spawn(async move {
594 Ok(KEY_VALUE_STORE
595 .read_kvp(SHOULD_SHOW_UPDATE_NOTIFICATION_KEY)?
596 .is_some())
597 })
598 }
599}
600
601async fn download_remote_server_binary(
602 target_path: &PathBuf,
603 release: JsonRelease,
604 client: Arc<HttpClientWithUrl>,
605 cx: &AsyncAppContext,
606) -> Result<()> {
607 let mut target_file = File::create(&target_path).await?;
608 let (installation_id, release_channel, telemetry_enabled, is_staff) = cx.update(|cx| {
609 let telemetry = Client::global(cx).telemetry().clone();
610 let is_staff = telemetry.is_staff();
611 let installation_id = telemetry.installation_id();
612 let release_channel =
613 ReleaseChannel::try_global(cx).map(|release_channel| release_channel.display_name());
614 let telemetry_enabled = TelemetrySettings::get_global(cx).metrics;
615
616 (
617 installation_id,
618 release_channel,
619 telemetry_enabled,
620 is_staff,
621 )
622 })?;
623 let request_body = AsyncBody::from(serde_json::to_string(&UpdateRequestBody {
624 installation_id,
625 release_channel,
626 telemetry: telemetry_enabled,
627 is_staff,
628 destination: "remote",
629 })?);
630
631 let mut response = client.get(&release.url, request_body, true).await?;
632 smol::io::copy(response.body_mut(), &mut target_file).await?;
633 Ok(())
634}
635
636async fn download_release(
637 target_path: &Path,
638 release: JsonRelease,
639 client: Arc<HttpClientWithUrl>,
640 cx: &AsyncAppContext,
641) -> Result<()> {
642 let mut target_file = File::create(&target_path).await?;
643
644 let (installation_id, release_channel, telemetry_enabled, is_staff) = cx.update(|cx| {
645 let telemetry = Client::global(cx).telemetry().clone();
646 let is_staff = telemetry.is_staff();
647 let installation_id = telemetry.installation_id();
648 let release_channel =
649 ReleaseChannel::try_global(cx).map(|release_channel| release_channel.display_name());
650 let telemetry_enabled = TelemetrySettings::get_global(cx).metrics;
651
652 (
653 installation_id,
654 release_channel,
655 telemetry_enabled,
656 is_staff,
657 )
658 })?;
659
660 let request_body = AsyncBody::from(serde_json::to_string(&UpdateRequestBody {
661 installation_id,
662 release_channel,
663 telemetry: telemetry_enabled,
664 is_staff,
665 destination: "local",
666 })?);
667
668 let mut response = client.get(&release.url, request_body, true).await?;
669 smol::io::copy(response.body_mut(), &mut target_file).await?;
670 log::info!("downloaded update. path:{:?}", target_path);
671
672 Ok(())
673}
674
675async fn install_release_linux(
676 temp_dir: &tempfile::TempDir,
677 downloaded_tar_gz: PathBuf,
678 cx: &AsyncAppContext,
679) -> Result<PathBuf> {
680 let channel = cx.update(|cx| ReleaseChannel::global(cx).dev_name())?;
681 let home_dir = PathBuf::from(env::var("HOME").context("no HOME env var set")?);
682 let running_app_path = cx.update(|cx| cx.app_path())??;
683
684 let extracted = temp_dir.path().join("zed");
685 fs::create_dir_all(&extracted)
686 .await
687 .context("failed to create directory into which to extract update")?;
688
689 let output = Command::new("tar")
690 .arg("-xzf")
691 .arg(&downloaded_tar_gz)
692 .arg("-C")
693 .arg(&extracted)
694 .output()
695 .await?;
696
697 anyhow::ensure!(
698 output.status.success(),
699 "failed to extract {:?} to {:?}: {:?}",
700 downloaded_tar_gz,
701 extracted,
702 String::from_utf8_lossy(&output.stderr)
703 );
704
705 let suffix = if channel != "stable" {
706 format!("-{}", channel)
707 } else {
708 String::default()
709 };
710 let app_folder_name = format!("zed{}.app", suffix);
711
712 let from = extracted.join(&app_folder_name);
713 let mut to = home_dir.join(".local");
714
715 let expected_suffix = format!("{}/libexec/zed-editor", app_folder_name);
716
717 if let Some(prefix) = running_app_path
718 .to_str()
719 .and_then(|str| str.strip_suffix(&expected_suffix))
720 {
721 to = PathBuf::from(prefix);
722 }
723
724 let output = Command::new("rsync")
725 .args(["-av", "--delete"])
726 .arg(&from)
727 .arg(&to)
728 .output()
729 .await?;
730
731 anyhow::ensure!(
732 output.status.success(),
733 "failed to copy Zed update from {:?} to {:?}: {:?}",
734 from,
735 to,
736 String::from_utf8_lossy(&output.stderr)
737 );
738
739 Ok(to.join(expected_suffix))
740}
741
742async fn install_release_macos(
743 temp_dir: &tempfile::TempDir,
744 downloaded_dmg: PathBuf,
745 cx: &AsyncAppContext,
746) -> Result<PathBuf> {
747 let running_app_path = cx.update(|cx| cx.app_path())??;
748 let running_app_filename = running_app_path
749 .file_name()
750 .ok_or_else(|| anyhow!("invalid running app path"))?;
751
752 let mount_path = temp_dir.path().join("Zed");
753 let mut mounted_app_path: OsString = mount_path.join(running_app_filename).into();
754
755 mounted_app_path.push("/");
756 let output = Command::new("hdiutil")
757 .args(["attach", "-nobrowse"])
758 .arg(&downloaded_dmg)
759 .arg("-mountroot")
760 .arg(temp_dir.path())
761 .output()
762 .await?;
763
764 anyhow::ensure!(
765 output.status.success(),
766 "failed to mount: {:?}",
767 String::from_utf8_lossy(&output.stderr)
768 );
769
770 // Create an MacOsUnmounter that will be dropped (and thus unmount the disk) when this function exits
771 let _unmounter = MacOsUnmounter {
772 mount_path: mount_path.clone(),
773 };
774
775 let output = Command::new("rsync")
776 .args(["-av", "--delete"])
777 .arg(&mounted_app_path)
778 .arg(&running_app_path)
779 .output()
780 .await?;
781
782 anyhow::ensure!(
783 output.status.success(),
784 "failed to copy app: {:?}",
785 String::from_utf8_lossy(&output.stderr)
786 );
787
788 Ok(running_app_path)
789}