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tenant.openagents/omega
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extension_host.rs
1mod capability_granter;
2pub mod extension_settings;
3pub mod headless_host;
4pub mod wasm_host;
5
6#[cfg(test)]
7mod extension_store_test;
8
9use anyhow::{Context as _, Result, anyhow, bail};
10use async_compression::futures::bufread::GzipDecoder;
11use async_tar::Archive;
12use client::{Client, proto, telemetry::Telemetry};
13use cloud_api_types::{ExtensionMetadata, ExtensionProvides, GetExtensionsResponse};
14use collections::{BTreeMap, BTreeSet, FxHashSet, HashMap, HashSet, btree_map};
15pub use extension::ExtensionManifest;
16use extension::extension_builder::{CompileExtensionOptions, ExtensionBuilder};
17use extension::{
18 ExtensionContextServerProxy, ExtensionDebugAdapterProviderProxy, ExtensionEvents,
19 ExtensionGrammarProxy, ExtensionHostProxy, ExtensionLanguageProxy,
20 ExtensionLanguageServerProxy, ExtensionSnippetProxy, ExtensionThemeProxy,
21};
22use fs::{Fs, RemoveOptions, RenameOptions};
23use futures::future::join_all;
24use futures::{
25 AsyncReadExt as _, Future, FutureExt as _, StreamExt as _,
26 channel::{
27 mpsc::{UnboundedSender, unbounded},
28 oneshot,
29 },
30 io::BufReader,
31 select_biased,
32};
33use gpui::{
34 App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, Global, Task, TaskExt,
35 UpdateGlobal as _, WeakEntity, actions,
36};
37use http_client::{AsyncBody, HttpClient, HttpClientWithUrl};
38use language::{
39 LanguageConfig, LanguageMatcher, LanguageName, LanguageQueries, LoadedLanguage,
40 QUERY_FILENAME_PREFIXES, Rope,
41};
42use node_runtime::NodeRuntime;
43use project::ContextProviderWithTasks;
44use release_channel::ReleaseChannel;
45use remote::RemoteClient;
46use semver::Version;
47use serde::{Deserialize, Serialize};
48use settings::{SemanticTokenRules, Settings, SettingsStore};
49use std::ops::RangeInclusive;
50use std::str::FromStr;
51use std::sync::LazyLock;
52use std::{
53 cmp::Ordering,
54 path::{self, Path, PathBuf},
55 sync::Arc,
56 time::{Duration, Instant},
57};
58use task::TaskTemplates;
59use url::Url;
60use util::{PathExt, ResultExt, paths::RemotePathBuf};
61use wasm_host::{
62 WasmExtension, WasmHost,
63 wit::{is_supported_wasm_api_version, wasm_api_version_range},
64};
65
66pub use extension::{
67 ExtensionLibraryKind, GrammarManifestEntry, OldExtensionManifest, SchemaVersion,
68};
69pub use extension_settings::ExtensionSettings;
70
71pub const RELOAD_DEBOUNCE_DURATION: Duration = Duration::from_millis(200);
72const FS_WATCH_LATENCY: Duration = Duration::from_millis(100);
73
74/// The current extension [`SchemaVersion`] supported by Zed.
75const CURRENT_SCHEMA_VERSION: SchemaVersion = SchemaVersion(1);
76
77/// Extensions that should no longer be loaded or downloaded.
78///
79/// These snippets should no longer be downloaded or loaded, because their
80/// functionality has been integrated into the core editor.
81static SUPPRESSED_EXTENSIONS: LazyLock<FxHashSet<&str>> = LazyLock::new(|| {
82 FxHashSet::from_iter([
83 "snippets",
84 "ruff",
85 "ty",
86 "basedpyright",
87 "basher",
88 // ACP
89 "opencode",
90 "mistral-vibe",
91 "auggie",
92 "stakpak",
93 "codebuddy",
94 "autohand-acp",
95 "corust-agent",
96 "factory-droid",
97 "qqcode",
98 ])
99});
100
101/// Returns the [`SchemaVersion`] range that is compatible with this version of Zed.
102pub fn schema_version_range() -> RangeInclusive<SchemaVersion> {
103 SchemaVersion::ZERO..=CURRENT_SCHEMA_VERSION
104}
105
106/// Returns whether the given extension version is compatible with this version of Zed.
107pub fn is_version_compatible(
108 release_channel: ReleaseChannel,
109 extension_version: &ExtensionMetadata,
110) -> bool {
111 let schema_version = extension_version.manifest.schema_version.unwrap_or(0);
112 if CURRENT_SCHEMA_VERSION.0 < schema_version {
113 return false;
114 }
115
116 if let Some(wasm_api_version) = extension_version
117 .manifest
118 .wasm_api_version
119 .as_ref()
120 .and_then(|wasm_api_version| Version::from_str(wasm_api_version).ok())
121 && !is_supported_wasm_api_version(release_channel, wasm_api_version)
122 {
123 return false;
124 }
125
126 true
127}
128
129pub struct ExtensionStore {
130 pub proxy: Arc<ExtensionHostProxy>,
131 pub builder: Arc<ExtensionBuilder>,
132 pub extension_index: ExtensionIndex,
133 pub fs: Arc<dyn Fs>,
134 pub http_client: Arc<HttpClientWithUrl>,
135 pub telemetry: Option<Arc<Telemetry>>,
136 pub reload_tx: UnboundedSender<Option<Arc<str>>>,
137 pub reload_complete_senders: Vec<oneshot::Sender<()>>,
138 pub installed_dir: PathBuf,
139 pub staging_dir: PathBuf,
140 pub outstanding_operations: BTreeMap<Arc<str>, ExtensionOperation>,
141 pub index_path: PathBuf,
142 pub modified_extensions: HashSet<Arc<str>>,
143 pub wasm_host: Arc<WasmHost>,
144 pub wasm_extensions: Vec<(Arc<ExtensionManifest>, WasmExtension)>,
145 pub tasks: Vec<Task<()>>,
146 pub remote_clients: Vec<WeakEntity<RemoteClient>>,
147 pub ssh_registered_tx: UnboundedSender<()>,
148}
149
150#[derive(Clone, Copy)]
151pub enum ExtensionOperation {
152 Upgrade,
153 Install,
154 Remove,
155}
156
157#[derive(Clone)]
158pub enum Event {
159 ExtensionsUpdated,
160 StartedReloading,
161 ExtensionInstalled(Arc<str>),
162 ExtensionUninstalled(Arc<str>),
163 ExtensionFailedToLoad(Arc<str>),
164}
165
166impl EventEmitter<Event> for ExtensionStore {}
167
168struct GlobalExtensionStore(Entity<ExtensionStore>);
169
170impl Global for GlobalExtensionStore {}
171
172#[derive(Debug, Deserialize, Serialize, Default, PartialEq, Eq)]
173pub struct ExtensionIndex {
174 pub extensions: BTreeMap<Arc<str>, ExtensionIndexEntry>,
175 pub themes: BTreeMap<Arc<str>, ExtensionIndexThemeEntry>,
176 #[serde(default)]
177 pub icon_themes: BTreeMap<Arc<str>, ExtensionIndexIconThemeEntry>,
178 pub languages: BTreeMap<LanguageName, ExtensionIndexLanguageEntry>,
179}
180
181impl ExtensionIndex {
182 fn extensions_to_sync_to_remote(&self) -> RemoteSyncExtensions {
183 let mut extensions = RemoteSyncExtensions::default();
184
185 for (id, entry) in &self.extensions {
186 if entry.manifest.remote_load().is_some() {
187 extensions.insert_extension_and_language_dependencies(self, id);
188 }
189 }
190
191 extensions
192 }
193}
194
195#[derive(Default)]
196struct RemoteSyncExtensions(HashMap<Arc<str>, ExtensionIndexEntry>);
197
198impl RemoteSyncExtensions {
199 fn insert_extension_and_language_dependencies(
200 &mut self,
201 index: &ExtensionIndex,
202 id: &Arc<str>,
203 ) {
204 if self.0.contains_key(id) {
205 return;
206 }
207
208 let Some(entry) = index.extensions.get(id) else {
209 return;
210 };
211
212 self.0.insert(id.clone(), entry.clone());
213
214 let Some(remote_load) = entry.manifest.remote_load() else {
215 return;
216 };
217
218 for language in remote_load.language_dependencies() {
219 if let Some(language_entry) = index.languages.get(&language) {
220 self.insert_extension_and_language_dependencies(index, &language_entry.extension);
221 }
222 }
223 }
224
225 fn into_entries(self) -> impl Iterator<Item = (Arc<str>, ExtensionIndexEntry)> {
226 self.0.into_iter()
227 }
228}
229
230#[derive(Clone, PartialEq, Eq, Debug, Deserialize, Serialize)]
231pub struct ExtensionIndexEntry {
232 pub manifest: Arc<ExtensionManifest>,
233 pub dev: bool,
234}
235
236#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
237pub struct ExtensionIndexThemeEntry {
238 pub extension: Arc<str>,
239 pub path: PathBuf,
240}
241
242#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
243pub struct ExtensionIndexIconThemeEntry {
244 pub extension: Arc<str>,
245 pub path: PathBuf,
246}
247
248#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
249pub struct ExtensionIndexLanguageEntry {
250 pub extension: Arc<str>,
251 pub path: PathBuf,
252 pub matcher: Arc<LanguageMatcher>,
253 pub hidden: bool,
254 pub grammar: Option<Arc<str>>,
255}
256
257actions!(
258 omega,
259 [
260 /// Reloads all installed extensions.
261 #[action(deprecated_aliases = ["zed::ReloadExtensions"])]
262 ReloadExtensions
263 ]
264);
265
266pub fn init(
267 extension_host_proxy: Arc<ExtensionHostProxy>,
268 fs: Arc<dyn Fs>,
269 client: Arc<Client>,
270 node_runtime: NodeRuntime,
271 cx: &mut App,
272) {
273 let store = cx.new(move |cx| {
274 ExtensionStore::new(
275 paths::extensions_dir().clone(),
276 None,
277 extension_host_proxy,
278 fs,
279 client.http_client(),
280 client.http_client(),
281 Some(client.telemetry().clone()),
282 node_runtime,
283 cx,
284 )
285 });
286
287 cx.on_action(|_: &ReloadExtensions, cx| {
288 let store = cx.global::<GlobalExtensionStore>().0.clone();
289 store.update(cx, |store, cx| drop(store.reload(None, cx)));
290 });
291
292 cx.set_global(GlobalExtensionStore(store));
293}
294
295impl ExtensionStore {
296 pub fn try_global(cx: &App) -> Option<Entity<Self>> {
297 cx.try_global::<GlobalExtensionStore>()
298 .map(|store| store.0.clone())
299 }
300
301 pub fn global(cx: &App) -> Entity<Self> {
302 cx.global::<GlobalExtensionStore>().0.clone()
303 }
304
305 pub fn new(
306 extensions_dir: PathBuf,
307 build_dir: Option<PathBuf>,
308 extension_host_proxy: Arc<ExtensionHostProxy>,
309 fs: Arc<dyn Fs>,
310 http_client: Arc<HttpClientWithUrl>,
311 builder_client: Arc<dyn HttpClient>,
312 telemetry: Option<Arc<Telemetry>>,
313 node_runtime: NodeRuntime,
314 cx: &mut Context<Self>,
315 ) -> Self {
316 let work_dir = extensions_dir.join("work");
317 let build_dir = build_dir.unwrap_or_else(|| extensions_dir.join("build"));
318 let installed_dir = extensions_dir.join("installed");
319 let staging_dir = extensions_dir.join("staging");
320 let index_path = extensions_dir.join("index.json");
321
322 let (reload_tx, mut reload_rx) = unbounded();
323 let (connection_registered_tx, mut connection_registered_rx) = unbounded();
324 let mut this = Self {
325 proxy: extension_host_proxy.clone(),
326 extension_index: Default::default(),
327 installed_dir,
328 staging_dir,
329 index_path,
330 builder: Arc::new(ExtensionBuilder::new(builder_client, build_dir)),
331 outstanding_operations: Default::default(),
332 modified_extensions: Default::default(),
333 reload_complete_senders: Vec::new(),
334 wasm_host: WasmHost::new(
335 fs.clone(),
336 http_client.clone(),
337 node_runtime,
338 extension_host_proxy,
339 work_dir,
340 cx,
341 ),
342 wasm_extensions: Vec::new(),
343 fs,
344 http_client,
345 telemetry,
346 reload_tx,
347 tasks: Vec::new(),
348
349 remote_clients: Default::default(),
350 ssh_registered_tx: connection_registered_tx,
351 };
352
353 // The extensions store maintains an index file, which contains a complete
354 // list of the installed extensions and the resources that they provide.
355 // This index is loaded synchronously on startup.
356 let (index_content, index_metadata, extensions_metadata) =
357 cx.foreground_executor().block_on(async {
358 futures::join!(
359 this.fs.load(&this.index_path),
360 this.fs.metadata(&this.index_path),
361 this.fs.metadata(&this.installed_dir),
362 )
363 });
364
365 // Normally, there is no need to rebuild the index. But if the index file
366 // is invalid or is out-of-date according to the filesystem mtimes, then
367 // it must be asynchronously rebuilt.
368 let mut extension_index = ExtensionIndex::default();
369 let mut extension_index_needs_rebuild = true;
370 if let Ok(index_content) = index_content
371 && let Some(index) = serde_json::from_str(&index_content).log_err()
372 {
373 extension_index = index;
374 if let (Ok(Some(index_metadata)), Ok(Some(extensions_metadata))) =
375 (index_metadata, extensions_metadata)
376 && index_metadata
377 .mtime
378 .bad_is_greater_than(extensions_metadata.mtime)
379 {
380 extension_index_needs_rebuild = false;
381 }
382 }
383
384 // Immediately load all of the extensions in the initial manifest. If the
385 // index needs to be rebuild, then enqueue
386 let load_initial_extensions = this.extensions_updated(extension_index, cx);
387 let mut reload_future = None;
388 if extension_index_needs_rebuild {
389 reload_future = Some(this.reload(None, cx));
390 }
391
392 cx.spawn(async move |this, cx| {
393 if let Some(future) = reload_future {
394 future.await;
395 }
396 this.update(cx, |this, cx| this.auto_install_extensions(cx))
397 .ok();
398 this.update(cx, |this, cx| this.check_for_updates(cx)).ok();
399 })
400 .detach();
401
402 // Perform all extension loading in a single task to ensure that we
403 // never attempt to simultaneously load/unload extensions from multiple
404 // parallel tasks.
405 this.tasks.push(cx.spawn(async move |this, cx| {
406 async move {
407 load_initial_extensions.await;
408
409 let mut index_changed = false;
410 let mut debounce_timer = cx.background_spawn(futures::future::pending()).fuse();
411
412 loop {
413 select_biased! {
414 _ = debounce_timer => {
415 if index_changed {
416 let index = this
417 .update(cx, |this, cx| this.rebuild_extension_index(cx))?
418 .await;
419 this.update(cx, |this, cx| this.extensions_updated(index, cx))?
420 .await;
421 index_changed = false;
422 }
423
424 Self::update_remote_clients(&this, cx).await?;
425 }
426 _ = connection_registered_rx.next() => {
427 debounce_timer = cx.background_executor().timer(RELOAD_DEBOUNCE_DURATION).fuse()
428 }
429 extension_id = reload_rx.next() => {
430 let Some(extension_id) = extension_id else { break; };
431 this.update(cx, |this, _cx| {
432 this.modified_extensions.extend(extension_id);
433 })?;
434 index_changed = true;
435 debounce_timer = cx.background_executor().timer(RELOAD_DEBOUNCE_DURATION).fuse()
436 }
437 }
438 }
439
440 anyhow::Ok(())
441 }
442 .map(drop)
443 .await;
444 }));
445
446 // Watch the installed extensions directory for changes. Whenever changes are
447 // detected, rebuild the extension index, and load/unload any extensions that
448 // have been added, removed, or modified.
449 this.tasks.push(cx.background_spawn({
450 let fs = this.fs.clone();
451 let reload_tx = this.reload_tx.clone();
452 let installed_dir = this.installed_dir.clone();
453 async move {
454 let (mut paths, _) = fs.watch(&installed_dir, FS_WATCH_LATENCY).await;
455 while let Some(events) = paths.next().await {
456 for event in events {
457 let Ok(event_path) = event.path.strip_prefix(&installed_dir) else {
458 continue;
459 };
460
461 if let Some(path::Component::Normal(extension_dir_name)) =
462 event_path.components().next()
463 && let Some(extension_id) = extension_dir_name.to_str()
464 {
465 reload_tx.unbounded_send(Some(extension_id.into())).ok();
466 }
467 }
468 }
469 }
470 }));
471
472 this
473 }
474
475 pub fn reload(
476 &mut self,
477 modified_extension: Option<Arc<str>>,
478 cx: &mut Context<Self>,
479 ) -> impl Future<Output = ()> + use<> {
480 let (tx, rx) = oneshot::channel();
481 self.reload_complete_senders.push(tx);
482 self.reload_tx
483 .unbounded_send(modified_extension)
484 .expect("reload task exited");
485 cx.emit(Event::StartedReloading);
486
487 async move {
488 rx.await.ok();
489 }
490 }
491
492 fn extensions_dir(&self) -> PathBuf {
493 self.installed_dir.clone()
494 }
495
496 pub fn outstanding_operations(&self) -> &BTreeMap<Arc<str>, ExtensionOperation> {
497 &self.outstanding_operations
498 }
499
500 pub fn installed_extensions(&self) -> &BTreeMap<Arc<str>, ExtensionIndexEntry> {
501 &self.extension_index.extensions
502 }
503
504 pub fn dev_extensions(&self) -> impl Iterator<Item = &Arc<ExtensionManifest>> {
505 self.extension_index
506 .extensions
507 .values()
508 .filter_map(|extension| extension.dev.then_some(&extension.manifest))
509 }
510
511 pub fn extension_manifest_for_id(&self, extension_id: &str) -> Option<&Arc<ExtensionManifest>> {
512 self.extension_index
513 .extensions
514 .get(extension_id)
515 .map(|extension| &extension.manifest)
516 }
517
518 /// Returns the names of themes provided by extensions.
519 pub fn extension_themes<'a>(
520 &'a self,
521 extension_id: &'a str,
522 ) -> impl Iterator<Item = &'a Arc<str>> {
523 self.extension_index
524 .themes
525 .iter()
526 .filter_map(|(name, theme)| theme.extension.as_ref().eq(extension_id).then_some(name))
527 }
528
529 /// Returns the path to the theme file within an extension, if there is an
530 /// extension that provides the theme.
531 pub fn path_to_extension_theme(&self, theme_name: &str) -> Option<PathBuf> {
532 let entry = self.extension_index.themes.get(theme_name)?;
533
534 Some(
535 self.extensions_dir()
536 .join(entry.extension.as_ref())
537 .join(&entry.path),
538 )
539 }
540
541 /// Returns the names of icon themes provided by extensions.
542 pub fn extension_icon_themes<'a>(
543 &'a self,
544 extension_id: &'a str,
545 ) -> impl Iterator<Item = &'a Arc<str>> {
546 self.extension_index
547 .icon_themes
548 .iter()
549 .filter_map(|(name, icon_theme)| {
550 icon_theme
551 .extension
552 .as_ref()
553 .eq(extension_id)
554 .then_some(name)
555 })
556 }
557
558 /// Returns the path to the icon theme file within an extension, if there is
559 /// an extension that provides the icon theme.
560 pub fn path_to_extension_icon_theme(
561 &self,
562 icon_theme_name: &str,
563 ) -> Option<(PathBuf, PathBuf)> {
564 let entry = self.extension_index.icon_themes.get(icon_theme_name)?;
565
566 let icon_theme_path = self
567 .extensions_dir()
568 .join(entry.extension.as_ref())
569 .join(&entry.path);
570 let icons_root_path = self.extensions_dir().join(entry.extension.as_ref());
571
572 Some((icon_theme_path, icons_root_path))
573 }
574
575 pub fn fetch_extensions(
576 &self,
577 search: Option<&str>,
578 provides_filter: Option<&BTreeSet<ExtensionProvides>>,
579 cx: &mut Context<Self>,
580 ) -> Task<Result<Vec<ExtensionMetadata>>> {
581 let version = CURRENT_SCHEMA_VERSION.to_string();
582 let mut query = vec![("max_schema_version", version.as_str())];
583 if let Some(search) = search {
584 query.push(("filter", search));
585 }
586
587 let provides_filter = provides_filter.map(|provides_filter| {
588 provides_filter
589 .iter()
590 .map(|provides| provides.to_string())
591 .collect::<Vec<_>>()
592 .join(",")
593 });
594 if let Some(provides_filter) = provides_filter.as_deref() {
595 query.push(("provides", provides_filter));
596 }
597
598 self.fetch_extensions_from_api("/extensions", &query, cx)
599 }
600
601 pub fn fetch_extensions_with_update_available(
602 &mut self,
603 cx: &mut Context<Self>,
604 ) -> Task<Result<Vec<ExtensionMetadata>>> {
605 let schema_versions = schema_version_range();
606 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
607 let extension_settings = ExtensionSettings::get_global(cx);
608 let extension_ids = self
609 .extension_index
610 .extensions
611 .iter()
612 .filter(|(id, entry)| !entry.dev && extension_settings.should_auto_update(id))
613 .map(|(id, _)| id.as_ref())
614 .collect::<Vec<_>>()
615 .join(",");
616 let task = self.fetch_extensions_from_api(
617 "/extensions/updates",
618 &[
619 ("min_schema_version", &schema_versions.start().to_string()),
620 ("max_schema_version", &schema_versions.end().to_string()),
621 (
622 "min_wasm_api_version",
623 &wasm_api_versions.start().to_string(),
624 ),
625 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
626 ("ids", &extension_ids),
627 ],
628 cx,
629 );
630 cx.spawn(async move |this, cx| {
631 let extensions = task.await?;
632 this.update(cx, |this, _cx| {
633 extensions
634 .into_iter()
635 .filter(|extension| {
636 this.extension_index
637 .extensions
638 .get(&extension.id)
639 .is_none_or(|installed_extension| {
640 installed_extension.manifest.version != extension.manifest.version
641 })
642 })
643 .collect()
644 })
645 })
646 }
647
648 pub fn fetch_extension_versions(
649 &self,
650 extension_id: &str,
651 cx: &mut Context<Self>,
652 ) -> Task<Result<Vec<ExtensionMetadata>>> {
653 self.fetch_extensions_from_api(&format!("/extensions/{extension_id}"), &[], cx)
654 }
655
656 /// Installs any extensions that should be included with Zed by default.
657 ///
658 /// This can be used to make certain functionality provided by extensions
659 /// available out-of-the-box.
660 pub fn auto_install_extensions(&mut self, cx: &mut Context<Self>) {
661 if cfg!(test) {
662 return;
663 }
664
665 let extension_settings = ExtensionSettings::get_global(cx);
666
667 let extensions_to_install = extension_settings
668 .auto_install_extensions
669 .keys()
670 .filter(|extension_id| extension_settings.should_auto_install(extension_id))
671 .filter(|extension_id| {
672 let is_already_installed = self
673 .extension_index
674 .extensions
675 .contains_key(extension_id.as_ref());
676 !is_already_installed && !SUPPRESSED_EXTENSIONS.contains(extension_id.as_ref())
677 })
678 .cloned()
679 .collect::<Vec<_>>();
680
681 cx.spawn(async move |this, cx| {
682 for extension_id in extensions_to_install {
683 this.update(cx, |this, cx| {
684 this.install_latest_extension(extension_id.clone(), cx);
685 })
686 .ok();
687 }
688 })
689 .detach();
690 }
691
692 pub fn check_for_updates(&mut self, cx: &mut Context<Self>) {
693 let task = self.fetch_extensions_with_update_available(cx);
694 cx.spawn(async move |this, cx| Self::upgrade_extensions(this, task.await?, cx).await)
695 .detach();
696 }
697
698 async fn upgrade_extensions(
699 this: WeakEntity<Self>,
700 extensions: Vec<ExtensionMetadata>,
701 cx: &mut AsyncApp,
702 ) -> Result<()> {
703 for extension in extensions {
704 let task = this.update(cx, |this, cx| {
705 if let Some(installed_extension) =
706 this.extension_index.extensions.get(&extension.id)
707 {
708 let installed_version =
709 Version::from_str(&installed_extension.manifest.version).ok()?;
710 let latest_version = Version::from_str(&extension.manifest.version).ok()?;
711
712 if installed_version >= latest_version {
713 return None;
714 }
715 }
716
717 Some(this.upgrade_extension(extension.id, extension.manifest.version, cx))
718 })?;
719
720 if let Some(task) = task {
721 task.await.log_err();
722 }
723 }
724 anyhow::Ok(())
725 }
726
727 fn fetch_extensions_from_api(
728 &self,
729 path: &str,
730 query: &[(&str, &str)],
731 cx: &mut Context<ExtensionStore>,
732 ) -> Task<Result<Vec<ExtensionMetadata>>> {
733 if !app_identity::zed_production_services_enabled() {
734 return Task::ready(Ok(Vec::new()));
735 }
736
737 let url = self.http_client.build_zed_api_url(path, query);
738 let http_client = self.http_client.clone();
739 cx.spawn(async move |_, _| {
740 let mut response = http_client
741 .get(url?.as_ref(), AsyncBody::empty(), true)
742 .await?;
743
744 let mut body = Vec::new();
745 response
746 .body_mut()
747 .read_to_end(&mut body)
748 .await
749 .context("error reading extensions")?;
750
751 if response.status().is_client_error() {
752 let text = String::from_utf8_lossy(body.as_slice());
753 bail!(
754 "status error {}, response: {text:?}",
755 response.status().as_u16()
756 );
757 }
758
759 let mut response: GetExtensionsResponse = serde_json::from_slice(&body)?;
760
761 response
762 .data
763 .retain(|extension| !SUPPRESSED_EXTENSIONS.contains(extension.id.as_ref()));
764
765 Ok(response.data)
766 })
767 }
768
769 pub fn install_extension(
770 &mut self,
771 extension_id: Arc<str>,
772 version: Arc<str>,
773 cx: &mut Context<Self>,
774 ) {
775 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Install, cx)
776 .detach_and_log_err(cx);
777 }
778
779 fn install_or_upgrade_extension_at_endpoint(
780 &mut self,
781 extension_id: Arc<str>,
782 url: Url,
783 operation: ExtensionOperation,
784 cx: &mut Context<Self>,
785 ) -> Task<Result<()>> {
786 let extension_dir = self.installed_dir.join(extension_id.as_ref());
787 let staging_dir = self.staging_dir.clone();
788 let http_client = self.http_client.clone();
789 let fs = self.fs.clone();
790
791 match self.outstanding_operations.entry(extension_id.clone()) {
792 btree_map::Entry::Occupied(_) => return Task::ready(Ok(())),
793 btree_map::Entry::Vacant(e) => e.insert(operation),
794 };
795 cx.notify();
796
797 cx.spawn(async move |this, cx| {
798 let _finish = cx.on_drop(&this, {
799 let extension_id = extension_id.clone();
800 move |this, cx| {
801 this.outstanding_operations.remove(extension_id.as_ref());
802 cx.notify();
803 }
804 });
805
806 cx.background_spawn(async move {
807 let mut response = http_client
808 .get(url.as_ref(), Default::default(), true)
809 .await
810 .context("downloading extension")?;
811
812 let content_length = response
813 .headers()
814 .get(http_client::http::header::CONTENT_LENGTH)
815 .and_then(|value| value.to_str().ok()?.parse::<usize>().ok());
816
817 let mut body = BufReader::new(response.body_mut());
818 let mut tar_gz_bytes = Vec::new();
819 body.read_to_end(&mut tar_gz_bytes).await?;
820
821 if let Some(content_length) = content_length {
822 let actual_len = tar_gz_bytes.len();
823 if content_length != actual_len {
824 bail!(
825 "downloaded extension size {actual_len} \
826 does not match content length {content_length}"
827 );
828 }
829 }
830
831 let decompressed_bytes = GzipDecoder::new(BufReader::new(tar_gz_bytes.as_slice()));
832 let archive = Archive::new(decompressed_bytes);
833
834 let remove_dir = || {
835 fs.remove_dir(
836 &extension_dir,
837 RemoveOptions {
838 recursive: true,
839 ignore_if_not_exists: true,
840 },
841 )
842 };
843
844 let temp_dir = fs
845 .create_dir(&staging_dir)
846 .await
847 .and_then(|()| tempfile::tempdir_in(&staging_dir).map_err(Into::into));
848
849 match temp_dir {
850 Ok(temp_dir) => {
851 archive.unpack(temp_dir.path()).await?;
852 remove_dir().await?;
853 fs.rename(
854 temp_dir.path(),
855 &extension_dir,
856 RenameOptions {
857 overwrite: true,
858 ignore_if_exists: true,
859 create_parents: true,
860 },
861 )
862 .await
863 }
864 Err(_) => {
865 remove_dir().await?;
866 archive.unpack(extension_dir).await.map_err(Into::into)
867 }
868 }
869 })
870 .await?;
871
872 this.update(cx, |this, cx| this.reload(Some(extension_id.clone()), cx))?
873 .await;
874
875 if let ExtensionOperation::Install = operation {
876 this.update(cx, |this, cx| {
877 cx.emit(Event::ExtensionInstalled(extension_id.clone()));
878 if let Some(events) = ExtensionEvents::try_global(cx)
879 && let Some(manifest) = this.extension_manifest_for_id(&extension_id)
880 {
881 events.update(cx, |this, cx| {
882 this.emit(extension::Event::ExtensionInstalled(manifest.clone()), cx)
883 });
884 }
885 })
886 .ok();
887 }
888
889 anyhow::Ok(())
890 })
891 }
892
893 pub fn install_latest_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
894 log::info!("installing extension {extension_id} latest version");
895
896 let schema_versions = schema_version_range();
897 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
898
899 let Some(url) = self
900 .http_client
901 .build_zed_api_url(
902 &format!("/extensions/{extension_id}/download"),
903 &[
904 ("min_schema_version", &schema_versions.start().to_string()),
905 ("max_schema_version", &schema_versions.end().to_string()),
906 (
907 "min_wasm_api_version",
908 &wasm_api_versions.start().to_string(),
909 ),
910 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
911 ],
912 )
913 .log_err()
914 else {
915 return;
916 };
917
918 self.install_or_upgrade_extension_at_endpoint(
919 extension_id,
920 url,
921 ExtensionOperation::Install,
922 cx,
923 )
924 .detach_and_log_err(cx);
925 }
926
927 pub fn upgrade_extension(
928 &mut self,
929 extension_id: Arc<str>,
930 version: Arc<str>,
931 cx: &mut Context<Self>,
932 ) -> Task<Result<()>> {
933 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Upgrade, cx)
934 }
935
936 fn install_or_upgrade_extension(
937 &mut self,
938 extension_id: Arc<str>,
939 version: Arc<str>,
940 operation: ExtensionOperation,
941 cx: &mut Context<Self>,
942 ) -> Task<Result<()>> {
943 log::info!("installing extension {extension_id} {version}");
944 let Some(url) = self
945 .http_client
946 .build_zed_api_url(
947 &format!("/extensions/{extension_id}/{version}/download"),
948 &[],
949 )
950 .log_err()
951 else {
952 return Task::ready(Ok(()));
953 };
954
955 self.install_or_upgrade_extension_at_endpoint(extension_id, url, operation, cx)
956 }
957
958 pub fn uninstall_extension(
959 &mut self,
960 extension_id: Arc<str>,
961 cx: &mut Context<Self>,
962 ) -> Task<Result<()>> {
963 let extension_dir = self.installed_dir.join(extension_id.as_ref());
964 let work_dir = self.wasm_host.work_dir.join(extension_id.as_ref());
965 let fs = self.fs.clone();
966
967 let extension_manifest = self.extension_manifest_for_id(&extension_id).cloned();
968
969 match self.outstanding_operations.entry(extension_id.clone()) {
970 btree_map::Entry::Occupied(_) => return Task::ready(Ok(())),
971 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Remove),
972 };
973
974 cx.spawn(async move |extension_store, cx| {
975 let _finish = cx.on_drop(&extension_store, {
976 let extension_id = extension_id.clone();
977 move |this, cx| {
978 this.outstanding_operations.remove(extension_id.as_ref());
979 cx.notify();
980 }
981 });
982
983 fs.remove_dir(
984 &extension_dir,
985 RemoveOptions {
986 recursive: true,
987 ignore_if_not_exists: true,
988 },
989 )
990 .await
991 .with_context(|| format!("Removing extension dir {extension_dir:?}"))?;
992
993 extension_store
994 .update(cx, |extension_store, cx| extension_store.reload(None, cx))?
995 .await;
996
997 // There's a race between wasm extension fully stopping and the directory removal.
998 // On Windows, it's impossible to remove a directory that has a process running in it.
999 for i in 0..3 {
1000 cx.background_executor()
1001 .timer(Duration::from_millis(i * 100))
1002 .await;
1003 let removal_result = fs
1004 .remove_dir(
1005 &work_dir,
1006 RemoveOptions {
1007 recursive: true,
1008 ignore_if_not_exists: true,
1009 },
1010 )
1011 .await;
1012 match removal_result {
1013 Ok(()) => break,
1014 Err(e) => {
1015 if i == 2 {
1016 log::error!("Failed to remove extension work dir {work_dir:?} : {e}");
1017 }
1018 }
1019 }
1020 }
1021
1022 extension_store.update(cx, |_, cx| {
1023 cx.emit(Event::ExtensionUninstalled(extension_id.clone()));
1024 if let Some(events) = ExtensionEvents::try_global(cx)
1025 && let Some(manifest) = extension_manifest
1026 {
1027 events.update(cx, |this, cx| {
1028 this.emit(extension::Event::ExtensionUninstalled(manifest.clone()), cx)
1029 });
1030 }
1031 })?;
1032
1033 anyhow::Ok(())
1034 })
1035 }
1036
1037 pub fn install_dev_extension(
1038 &mut self,
1039 extension_source_path: PathBuf,
1040 cx: &mut Context<Self>,
1041 ) -> Task<Result<()>> {
1042 let extensions_dir = self.extensions_dir();
1043 let fs = self.fs.clone();
1044 let builder = self.builder.clone();
1045
1046 cx.spawn(async move |this, cx| {
1047 let mut extension_manifest =
1048 ExtensionManifest::load(fs.clone(), &extension_source_path).await?;
1049 let extension_id = extension_manifest.id.clone();
1050
1051 if let Some(uninstall_task) = this
1052 .update(cx, |this, cx| {
1053 this.extension_index
1054 .extensions
1055 .get(extension_id.as_ref())
1056 .is_some_and(|index_entry| !index_entry.dev)
1057 .then(|| this.uninstall_extension(extension_id.clone(), cx))
1058 })
1059 .ok()
1060 .flatten()
1061 {
1062 uninstall_task.await.log_err();
1063 }
1064
1065 if !this.update(cx, |this, cx| {
1066 match this.outstanding_operations.entry(extension_id.clone()) {
1067 btree_map::Entry::Occupied(_) => return false,
1068 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Install),
1069 };
1070 cx.notify();
1071 true
1072 })? {
1073 return Ok(());
1074 }
1075
1076 let _finish = cx.on_drop(&this, {
1077 let extension_id = extension_id.clone();
1078 move |this, cx| {
1079 this.outstanding_operations.remove(extension_id.as_ref());
1080 cx.notify();
1081 }
1082 });
1083
1084 cx.background_spawn({
1085 let extension_source_path = extension_source_path.clone();
1086 let fs = fs.clone();
1087 async move {
1088 builder
1089 .compile_extension(
1090 &extension_source_path,
1091 &mut extension_manifest,
1092 CompileExtensionOptions::dev(),
1093 fs,
1094 )
1095 .await
1096 }
1097 })
1098 .await
1099 .inspect_err(|error| {
1100 util::log_err(error);
1101 })?;
1102
1103 let output_path = &extensions_dir.join(extension_id.as_ref());
1104 if let Some(metadata) = fs.metadata(output_path).await? {
1105 if metadata.is_symlink {
1106 fs.remove_file(
1107 output_path,
1108 RemoveOptions {
1109 recursive: false,
1110 ignore_if_not_exists: true,
1111 },
1112 )
1113 .await?;
1114 } else {
1115 bail!("extension {extension_id} is still installed");
1116 }
1117 }
1118
1119 fs.create_symlink(output_path, extension_source_path)
1120 .await?;
1121
1122 this.update(cx, |this, cx| this.reload(None, cx))?.await;
1123 this.update(cx, |this, cx| {
1124 cx.emit(Event::ExtensionInstalled(extension_id.clone()));
1125 if let Some(events) = ExtensionEvents::try_global(cx)
1126 && let Some(manifest) = this.extension_manifest_for_id(&extension_id)
1127 {
1128 events.update(cx, |this, cx| {
1129 this.emit(extension::Event::ExtensionInstalled(manifest.clone()), cx)
1130 });
1131 }
1132 })?;
1133
1134 Ok(())
1135 })
1136 }
1137
1138 pub fn rebuild_dev_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
1139 let path = self.installed_dir.join(extension_id.as_ref());
1140 let builder = self.builder.clone();
1141 let fs = self.fs.clone();
1142
1143 match self.outstanding_operations.entry(extension_id.clone()) {
1144 btree_map::Entry::Occupied(_) => return,
1145 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Upgrade),
1146 };
1147
1148 cx.notify();
1149 let compile = cx.background_spawn(async move {
1150 let mut manifest = ExtensionManifest::load(fs.clone(), &path).await?;
1151 builder
1152 .compile_extension(&path, &mut manifest, CompileExtensionOptions::dev(), fs)
1153 .await
1154 });
1155
1156 cx.spawn(async move |this, cx| {
1157 let result = compile.await;
1158
1159 this.update(cx, |this, cx| {
1160 this.outstanding_operations.remove(&extension_id);
1161 cx.notify();
1162 })?;
1163
1164 if result.is_ok() {
1165 this.update(cx, |this, cx| this.reload(Some(extension_id), cx))?
1166 .await;
1167 }
1168
1169 result
1170 })
1171 .detach_and_log_err(cx)
1172 }
1173
1174 /// Updates the set of installed extensions.
1175 ///
1176 /// First, this unloads any themes, languages, or grammars that are
1177 /// no longer in the manifest, or whose files have changed on disk.
1178 /// Then it loads any themes, languages, or grammars that are newly
1179 /// added to the manifest, or whose files have changed on disk.
1180 #[ztracing::instrument(skip_all)]
1181 fn extensions_updated(
1182 &mut self,
1183 mut new_index: ExtensionIndex,
1184 cx: &mut Context<Self>,
1185 ) -> Task<()> {
1186 let old_index = &self.extension_index;
1187
1188 let suppressed_extensions_to_remove = new_index
1189 .extensions
1190 .extract_if(.., |extension_id, _| {
1191 SUPPRESSED_EXTENSIONS.contains(extension_id.as_ref())
1192 })
1193 .collect::<Vec<_>>();
1194
1195 // Determine which extensions need to be loaded and unloaded, based
1196 // on the changes to the manifest and the extensions that we know have been
1197 // modified.
1198 let mut extensions_to_unload = Vec::default();
1199 let mut extensions_to_load = Vec::default();
1200 {
1201 let mut old_keys = old_index.extensions.iter().peekable();
1202 let mut new_keys = new_index.extensions.iter().peekable();
1203 loop {
1204 match (old_keys.peek(), new_keys.peek()) {
1205 (None, None) => break,
1206 (None, Some(_)) => {
1207 extensions_to_load.push(new_keys.next().unwrap().0.clone());
1208 }
1209 (Some(_), None) => {
1210 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
1211 }
1212 (Some((old_key, _)), Some((new_key, _))) => match old_key.cmp(new_key) {
1213 Ordering::Equal => {
1214 let (old_key, old_value) = old_keys.next().unwrap();
1215 let (new_key, new_value) = new_keys.next().unwrap();
1216 if old_value != new_value || self.modified_extensions.contains(old_key)
1217 {
1218 extensions_to_unload.push(old_key.clone());
1219 extensions_to_load.push(new_key.clone());
1220 }
1221 }
1222 Ordering::Less => {
1223 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
1224 }
1225 Ordering::Greater => {
1226 extensions_to_load.push(new_keys.next().unwrap().0.clone());
1227 }
1228 },
1229 }
1230 }
1231 self.modified_extensions.clear();
1232 }
1233
1234 let trigger_suppressed_extension_removal =
1235 move |this: &mut ExtensionStore, cx: &mut Context<ExtensionStore>| {
1236 for (id, _) in suppressed_extensions_to_remove {
1237 this.uninstall_extension(id, cx).detach_and_log_err(cx);
1238 }
1239 };
1240
1241 if extensions_to_load.is_empty() && extensions_to_unload.is_empty() {
1242 self.reload_complete_senders.clear();
1243 trigger_suppressed_extension_removal(self, cx);
1244 return Task::ready(());
1245 }
1246
1247 let reload_count = extensions_to_unload
1248 .iter()
1249 .filter(|id| extensions_to_load.contains(id))
1250 .count();
1251
1252 log::info!(
1253 "extensions updated. loading {}, reloading {}, unloading {}",
1254 extensions_to_load.len() - reload_count,
1255 reload_count,
1256 extensions_to_unload.len() - reload_count
1257 );
1258
1259 let extension_ids = extensions_to_load
1260 .iter()
1261 .filter_map(|id| {
1262 Some((
1263 id.clone(),
1264 new_index.extensions.get(id)?.manifest.version.clone(),
1265 ))
1266 })
1267 .collect::<Vec<_>>();
1268
1269 telemetry::event!("Extensions Loaded", id_and_versions = extension_ids);
1270
1271 let themes_to_remove = old_index
1272 .themes
1273 .iter()
1274 .filter_map(|(name, entry)| {
1275 if extensions_to_unload.contains(&entry.extension) {
1276 Some(name.clone().into())
1277 } else {
1278 None
1279 }
1280 })
1281 .collect::<Vec<_>>();
1282 let icon_themes_to_remove = old_index
1283 .icon_themes
1284 .iter()
1285 .filter_map(|(name, entry)| {
1286 if extensions_to_unload.contains(&entry.extension) {
1287 Some(name.clone().into())
1288 } else {
1289 None
1290 }
1291 })
1292 .collect::<Vec<_>>();
1293 let languages_to_remove = old_index
1294 .languages
1295 .iter()
1296 .filter_map(|(name, entry)| {
1297 if extensions_to_unload.contains(&entry.extension) {
1298 Some(name.clone())
1299 } else {
1300 None
1301 }
1302 })
1303 .collect::<Vec<_>>();
1304 let mut grammars_to_remove = Vec::new();
1305 let mut server_removal_tasks = Vec::with_capacity(extensions_to_unload.len());
1306 for extension_id in &extensions_to_unload {
1307 let Some(extension) = old_index.extensions.get(extension_id) else {
1308 continue;
1309 };
1310 grammars_to_remove.extend(extension.manifest.grammars.keys().cloned());
1311 for (language_server_name, config) in &extension.manifest.language_servers {
1312 for language in config.languages() {
1313 server_removal_tasks.push(self.proxy.remove_language_server(
1314 &language,
1315 language_server_name,
1316 cx,
1317 ));
1318 }
1319 }
1320
1321 for server_id in extension.manifest.context_servers.keys() {
1322 self.proxy.unregister_context_server(server_id.clone(), cx);
1323 }
1324 for adapter in extension.manifest.debug_adapters.keys() {
1325 self.proxy.unregister_debug_adapter(adapter.clone());
1326 }
1327 for locator in extension.manifest.debug_locators.keys() {
1328 self.proxy.unregister_debug_locator(locator.clone());
1329 }
1330 }
1331
1332 self.wasm_extensions
1333 .retain(|(extension, _)| !extensions_to_unload.contains(&extension.id));
1334 self.proxy.remove_user_themes(themes_to_remove);
1335 self.proxy.remove_icon_themes(icon_themes_to_remove);
1336 self.proxy
1337 .remove_languages(&languages_to_remove, &grammars_to_remove);
1338
1339 // Remove semantic token rules for languages being unloaded.
1340 if !languages_to_remove.is_empty() {
1341 SettingsStore::update_global(cx, |store, cx| {
1342 for language in &languages_to_remove {
1343 store.remove_language_semantic_token_rules(language.as_ref(), cx);
1344 }
1345 });
1346 }
1347
1348 let mut grammars_to_add = Vec::new();
1349 let mut themes_to_add = Vec::new();
1350 let mut icon_themes_to_add = Vec::new();
1351 let mut snippets_to_add = Vec::new();
1352 for extension_id in &extensions_to_load {
1353 let Some(extension) = new_index.extensions.get(extension_id) else {
1354 continue;
1355 };
1356
1357 grammars_to_add.extend(extension.manifest.grammars.keys().map(|grammar_name| {
1358 let mut grammar_path = self.installed_dir.clone();
1359 grammar_path.extend([extension_id.as_ref(), "grammars"]);
1360 grammar_path.push(grammar_name.as_ref());
1361 grammar_path.set_extension("wasm");
1362 (grammar_name.clone(), grammar_path)
1363 }));
1364 themes_to_add.extend(extension.manifest.themes.iter().map(|theme_path| {
1365 let mut path = self.installed_dir.clone();
1366 path.extend([Path::new(extension_id.as_ref()), theme_path.as_std_path()]);
1367 path
1368 }));
1369 icon_themes_to_add.extend(extension.manifest.icon_themes.iter().map(
1370 |icon_theme_path| {
1371 let mut path = self.installed_dir.clone();
1372 path.extend([
1373 Path::new(extension_id.as_ref()),
1374 icon_theme_path.as_std_path(),
1375 ]);
1376
1377 let mut icons_root_path = self.installed_dir.clone();
1378 icons_root_path.extend([Path::new(extension_id.as_ref())]);
1379
1380 (path, icons_root_path)
1381 },
1382 ));
1383 snippets_to_add.extend(extension.manifest.snippets.iter().flat_map(|snippets| {
1384 snippets.paths().map(|snippets_path| {
1385 let mut path = self.installed_dir.clone();
1386 path.extend([Path::new(extension_id.as_ref()), snippets_path.as_path()]);
1387 path
1388 })
1389 }));
1390 }
1391
1392 self.proxy.register_grammars(grammars_to_add);
1393 let languages_to_add = new_index
1394 .languages
1395 .iter()
1396 .filter(|(_, entry)| extensions_to_load.contains(&entry.extension))
1397 .collect::<Vec<_>>();
1398 let mut semantic_token_rules_to_add: Vec<(LanguageName, SemanticTokenRules)> = Vec::new();
1399 for (language_name, language) in languages_to_add {
1400 let mut language_path = self.installed_dir.clone();
1401 language_path.extend([
1402 Path::new(language.extension.as_ref()),
1403 language.path.as_path(),
1404 ]);
1405
1406 // Load semantic token rules if present in the language directory.
1407 let rules_path = language_path.join(SemanticTokenRules::FILE_NAME);
1408 if std::fs::exists(&rules_path).is_ok_and(|exists| exists)
1409 && let Some(rules) = SemanticTokenRules::load(&rules_path).log_err()
1410 {
1411 semantic_token_rules_to_add.push((language_name.clone(), rules));
1412 }
1413
1414 self.proxy.register_language(
1415 language_name.clone(),
1416 language.grammar.clone(),
1417 language.matcher.clone(),
1418 language.hidden,
1419 Arc::new(move || {
1420 let config =
1421 LanguageConfig::load(language_path.join(LanguageConfig::FILE_NAME))?;
1422 let queries = load_plugin_queries(&language_path);
1423 let context_provider =
1424 std::fs::read_to_string(language_path.join(TaskTemplates::FILE_NAME))
1425 .ok()
1426 .and_then(|contents| {
1427 let definitions =
1428 serde_json_lenient::from_str(&contents).log_err()?;
1429 Some(Arc::new(ContextProviderWithTasks::new(definitions)) as Arc<_>)
1430 });
1431
1432 Ok(LoadedLanguage {
1433 config,
1434 queries,
1435 context_provider,
1436 toolchain_provider: None,
1437 manifest_name: None,
1438 })
1439 }),
1440 );
1441 }
1442
1443 // Register semantic token rules for newly loaded extension languages.
1444 if !semantic_token_rules_to_add.is_empty() {
1445 SettingsStore::update_global(cx, |store, cx| {
1446 for (language_name, rules) in semantic_token_rules_to_add {
1447 store.set_language_semantic_token_rules(language_name.0.clone(), rules, cx);
1448 }
1449 });
1450 }
1451
1452 let fs = self.fs.clone();
1453 let wasm_host = self.wasm_host.clone();
1454 let root_dir = self.installed_dir.clone();
1455 let proxy = self.proxy.clone();
1456 let extension_entries = extensions_to_load
1457 .iter()
1458 .filter_map(|name| new_index.extensions.get(name).cloned())
1459 .collect::<Vec<_>>();
1460 self.extension_index = new_index;
1461 cx.notify();
1462 cx.emit(Event::ExtensionsUpdated);
1463
1464 cx.spawn(async move |this, cx| {
1465 cx.background_spawn({
1466 let fs = fs.clone();
1467 async move {
1468 let _ = join_all(server_removal_tasks).await;
1469 for theme_path in themes_to_add {
1470 proxy
1471 .load_user_theme(theme_path, fs.clone())
1472 .await
1473 .log_err();
1474 }
1475
1476 for (icon_theme_path, icons_root_path) in icon_themes_to_add {
1477 proxy
1478 .load_icon_theme(icon_theme_path, icons_root_path, fs.clone())
1479 .await
1480 .log_err();
1481 }
1482
1483 for snippets_path in &snippets_to_add {
1484 match fs
1485 .load(snippets_path)
1486 .await
1487 .with_context(|| format!("Loading snippets from {snippets_path:?}"))
1488 {
1489 Ok(snippets_contents) => {
1490 proxy
1491 .register_snippet(snippets_path, &snippets_contents)
1492 .log_err();
1493 }
1494 Err(e) => log::error!("Cannot load snippets: {e:#}"),
1495 }
1496 }
1497 }
1498 })
1499 .await;
1500
1501 let mut wasm_extensions = Vec::new();
1502 for extension in extension_entries {
1503 if extension.manifest.lib.kind.is_none() {
1504 continue;
1505 };
1506
1507 let extension_path = root_dir.join(extension.manifest.id.as_ref());
1508 let wasm_extension = WasmExtension::load(
1509 &extension_path,
1510 &extension.manifest,
1511 wasm_host.clone(),
1512 cx,
1513 )
1514 .await
1515 .with_context(|| format!("Loading extension from {extension_path:?}"));
1516
1517 match wasm_extension {
1518 Ok(wasm_extension) => {
1519 wasm_extensions.push((extension.manifest.clone(), wasm_extension))
1520 }
1521 Err(e) => {
1522 log::error!(
1523 "Failed to load extension: {}, {:#}",
1524 extension.manifest.id,
1525 e
1526 );
1527 this.update(cx, |_, cx| {
1528 cx.emit(Event::ExtensionFailedToLoad(extension.manifest.id.clone()))
1529 })
1530 .ok();
1531 }
1532 }
1533 }
1534
1535 this.update(cx, |this, cx| {
1536 this.reload_complete_senders.clear();
1537
1538 for (manifest, wasm_extension) in &wasm_extensions {
1539 let extension = Arc::new(wasm_extension.clone());
1540
1541 for (language_server_id, language_server_config) in &manifest.language_servers {
1542 for language in language_server_config.languages() {
1543 this.proxy.register_language_server(
1544 extension.clone(),
1545 language_server_id.clone(),
1546 language.clone(),
1547 );
1548 }
1549 }
1550
1551 for id in manifest.context_servers.keys() {
1552 this.proxy
1553 .register_context_server(extension.clone(), id.clone(), cx);
1554 }
1555
1556 for (debug_adapter, meta) in &manifest.debug_adapters {
1557 let mut path = root_dir.clone();
1558 path.push(Path::new(manifest.id.as_ref()));
1559 if let Some(schema_path) = &meta.schema_path {
1560 path.push(schema_path);
1561 } else {
1562 path.push("debug_adapter_schemas");
1563 path.push(Path::new(debug_adapter.as_ref()).with_extension("json"));
1564 }
1565
1566 this.proxy.register_debug_adapter(
1567 extension.clone(),
1568 debug_adapter.clone(),
1569 &path,
1570 );
1571 }
1572
1573 for debug_adapter in manifest.debug_locators.keys() {
1574 this.proxy
1575 .register_debug_locator(extension.clone(), debug_adapter.clone());
1576 }
1577 }
1578
1579 this.wasm_extensions.extend(wasm_extensions);
1580 this.proxy.set_extensions_loaded();
1581 this.proxy.reload_current_theme(cx);
1582 this.proxy.reload_current_icon_theme(cx);
1583 trigger_suppressed_extension_removal(this, cx);
1584
1585 if let Some(events) = ExtensionEvents::try_global(cx) {
1586 events.update(cx, |this, cx| {
1587 this.emit(extension::Event::ExtensionsInstalledChanged, cx)
1588 });
1589 }
1590 })
1591 .ok();
1592 })
1593 }
1594
1595 fn rebuild_extension_index(&self, cx: &mut Context<Self>) -> Task<ExtensionIndex> {
1596 let fs = self.fs.clone();
1597 let work_dir = self.wasm_host.work_dir.clone();
1598 let extensions_dir = self.installed_dir.clone();
1599 let index_path = self.index_path.clone();
1600 let proxy = self.proxy.clone();
1601 cx.background_spawn(async move {
1602 let start_time = Instant::now();
1603 let mut index = ExtensionIndex::default();
1604
1605 fs.create_dir(&work_dir).await.log_err();
1606 fs.create_dir(&extensions_dir).await.log_err();
1607
1608 let extension_paths = fs.read_dir(&extensions_dir).await;
1609 if let Ok(mut extension_paths) = extension_paths {
1610 while let Some(extension_dir) = extension_paths.next().await {
1611 let Ok(extension_dir) = extension_dir else {
1612 continue;
1613 };
1614
1615 if extension_dir
1616 .file_name()
1617 .is_some_and(|file_name| file_name == ".DS_Store")
1618 {
1619 continue;
1620 }
1621
1622 Self::add_extension_to_index(
1623 fs.clone(),
1624 extension_dir,
1625 &mut index,
1626 proxy.clone(),
1627 )
1628 .await
1629 .log_err();
1630 }
1631 }
1632
1633 if let Ok(index_json) = serde_json::to_string_pretty(&index) {
1634 fs.save(&index_path, &index_json.as_str().into(), Default::default())
1635 .await
1636 .context("failed to save extension index")
1637 .log_err();
1638 }
1639
1640 log::info!("rebuilt extension index in {:?}", start_time.elapsed());
1641 index
1642 })
1643 }
1644
1645 async fn add_extension_to_index(
1646 fs: Arc<dyn Fs>,
1647 extension_dir: PathBuf,
1648 index: &mut ExtensionIndex,
1649 proxy: Arc<ExtensionHostProxy>,
1650 ) -> Result<()> {
1651 let mut extension_manifest = ExtensionManifest::load(fs.clone(), &extension_dir).await?;
1652 let extension_id = extension_manifest.id.clone();
1653
1654 // TODO: distinguish dev extensions more explicitly, by the absence
1655 // of a checksum file that we'll create when downloading normal extensions.
1656 let is_dev = fs
1657 .metadata(&extension_dir)
1658 .await?
1659 .with_context(|| format!("missing extension directory {extension_dir:?}"))?
1660 .is_symlink;
1661
1662 let language_dir = extension_dir.join("languages");
1663 if let Ok(mut language_paths) = fs.read_dir(&language_dir).await {
1664 while let Some(language_path) = language_paths.next().await {
1665 let language_path = language_path
1666 .with_context(|| format!("reading entries in language dir {language_dir:?}"))?;
1667 let Ok(relative_path) = language_path.strip_prefix(&extension_dir) else {
1668 continue;
1669 };
1670 let Ok(Some(fs_metadata)) = fs.metadata(&language_path).await else {
1671 continue;
1672 };
1673 if !fs_metadata.is_dir {
1674 continue;
1675 }
1676 let language_config_path = language_path.join(LanguageConfig::FILE_NAME);
1677 let config = fs.load(&language_config_path).await.with_context(|| {
1678 format!("loading language config from {language_config_path:?}")
1679 })?;
1680 let config = ::toml::from_str::<LanguageConfig>(&config)?;
1681
1682 let relative_path = relative_path.to_rel_path_buf()?;
1683 if !extension_manifest.languages.contains(&relative_path) {
1684 extension_manifest.languages.push(relative_path.clone());
1685 }
1686
1687 index.languages.insert(
1688 config.name.clone(),
1689 ExtensionIndexLanguageEntry {
1690 extension: extension_id.clone(),
1691 path: relative_path.as_std_path().to_path_buf(),
1692 matcher: config.matcher,
1693 hidden: config.hidden,
1694 grammar: config.grammar,
1695 },
1696 );
1697 }
1698 }
1699
1700 if let Ok(mut theme_paths) = fs.read_dir(&extension_dir.join("themes")).await {
1701 while let Some(theme_path) = theme_paths.next().await {
1702 let theme_path = theme_path?;
1703 let Ok(relative_path) = theme_path.strip_prefix(&extension_dir) else {
1704 continue;
1705 };
1706
1707 let Some(theme_families) = proxy
1708 .list_theme_names(theme_path.clone(), fs.clone())
1709 .await
1710 .log_err()
1711 else {
1712 continue;
1713 };
1714
1715 let relative_path = relative_path.to_rel_path_buf()?;
1716 if !extension_manifest.themes.contains(&relative_path) {
1717 extension_manifest.themes.push(relative_path.clone());
1718 }
1719
1720 for theme_name in theme_families {
1721 index.themes.insert(
1722 theme_name.into(),
1723 ExtensionIndexThemeEntry {
1724 extension: extension_id.clone(),
1725 path: relative_path.as_std_path().to_path_buf(),
1726 },
1727 );
1728 }
1729 }
1730 }
1731
1732 if let Ok(mut icon_theme_paths) = fs.read_dir(&extension_dir.join("icon_themes")).await {
1733 while let Some(icon_theme_path) = icon_theme_paths.next().await {
1734 let icon_theme_path = icon_theme_path?;
1735 let Ok(relative_path) = icon_theme_path.strip_prefix(&extension_dir) else {
1736 continue;
1737 };
1738
1739 let Some(icon_theme_families) = proxy
1740 .list_icon_theme_names(icon_theme_path.clone(), fs.clone())
1741 .await
1742 .log_err()
1743 else {
1744 continue;
1745 };
1746
1747 let relative_path = relative_path.to_rel_path_buf()?;
1748 if !extension_manifest.icon_themes.contains(&relative_path) {
1749 extension_manifest.icon_themes.push(relative_path.clone());
1750 }
1751
1752 for icon_theme_name in icon_theme_families {
1753 index.icon_themes.insert(
1754 icon_theme_name.into(),
1755 ExtensionIndexIconThemeEntry {
1756 extension: extension_id.clone(),
1757 path: relative_path.as_std_path().to_path_buf(),
1758 },
1759 );
1760 }
1761 }
1762 }
1763
1764 let extension_wasm_path = extension_dir.join("extension.wasm");
1765 if fs.is_file(&extension_wasm_path).await {
1766 extension_manifest
1767 .lib
1768 .kind
1769 .get_or_insert(ExtensionLibraryKind::Rust);
1770 }
1771
1772 index.extensions.insert(
1773 extension_id.clone(),
1774 ExtensionIndexEntry {
1775 dev: is_dev,
1776 manifest: Arc::new(extension_manifest),
1777 },
1778 );
1779
1780 Ok(())
1781 }
1782
1783 fn prepare_remote_extension(
1784 &mut self,
1785 extension_id: Arc<str>,
1786 is_dev: bool,
1787 tmp_dir: PathBuf,
1788 cx: &mut Context<Self>,
1789 ) -> Task<Result<()>> {
1790 let src_dir = self.extensions_dir().join(extension_id.as_ref());
1791 let Some(loaded_extension) = self.extension_index.extensions.get(&extension_id).cloned()
1792 else {
1793 return Task::ready(Err(anyhow!("extension no longer installed")));
1794 };
1795 let fs = self.fs.clone();
1796 cx.background_spawn(async move {
1797 const EXTENSION_TOML: &str = "extension.toml";
1798 const EXTENSION_WASM: &str = "extension.wasm";
1799 const CONFIG_TOML: &str = LanguageConfig::FILE_NAME;
1800
1801 if is_dev {
1802 let manifest_toml = toml::to_string(&loaded_extension.manifest)?;
1803 fs.save(
1804 &tmp_dir.join(EXTENSION_TOML),
1805 &Rope::from(manifest_toml),
1806 language::LineEnding::Unix,
1807 )
1808 .await?;
1809 } else {
1810 fs.copy_file(
1811 &src_dir.join(EXTENSION_TOML),
1812 &tmp_dir.join(EXTENSION_TOML),
1813 fs::CopyOptions::default(),
1814 )
1815 .await?
1816 }
1817
1818 if fs.is_file(&src_dir.join(EXTENSION_WASM)).await {
1819 fs.copy_file(
1820 &src_dir.join(EXTENSION_WASM),
1821 &tmp_dir.join(EXTENSION_WASM),
1822 fs::CopyOptions::default(),
1823 )
1824 .await?
1825 }
1826
1827 for language_path in loaded_extension.manifest.languages.iter() {
1828 if fs
1829 .is_file(&src_dir.join(language_path).join(CONFIG_TOML))
1830 .await
1831 {
1832 fs.create_dir(&tmp_dir.join(language_path)).await?;
1833 fs.copy_file(
1834 &src_dir.join(language_path).join(CONFIG_TOML),
1835 &tmp_dir.join(language_path).join(CONFIG_TOML),
1836 fs::CopyOptions::default(),
1837 )
1838 .await?
1839 }
1840 }
1841
1842 for (adapter_name, meta) in loaded_extension.manifest.debug_adapters.iter() {
1843 let schema_path = extension::build_debug_adapter_schema_path(adapter_name, meta)?;
1844
1845 if fs.is_file(&src_dir.join(&schema_path)).await {
1846 if let Some(parent) = schema_path.parent() {
1847 fs.create_dir(&tmp_dir.join(parent)).await?
1848 }
1849 fs.copy_file(
1850 &src_dir.join(&schema_path),
1851 &tmp_dir.join(&schema_path),
1852 fs::CopyOptions::default(),
1853 )
1854 .await?
1855 }
1856 }
1857
1858 Ok(())
1859 })
1860 }
1861
1862 async fn sync_extensions_to_remotes(
1863 this: &WeakEntity<Self>,
1864 client: WeakEntity<RemoteClient>,
1865 cx: &mut AsyncApp,
1866 ) -> Result<()> {
1867 let extensions = this.update(cx, |this, _cx| {
1868 this.extension_index
1869 .extensions_to_sync_to_remote()
1870 .into_entries()
1871 .map(|(id, entry)| proto::Extension {
1872 id: id.to_string(),
1873 version: entry.manifest.version.to_string(),
1874 dev: entry.dev,
1875 })
1876 .collect()
1877 })?;
1878
1879 let response = client
1880 .update(cx, |client, _cx| {
1881 client
1882 .proto_client()
1883 .request(proto::SyncExtensions { extensions })
1884 })?
1885 .await?;
1886 let path_style = client.read_with(cx, |client, _| client.path_style())?;
1887
1888 for missing_extension in response.missing_extensions.into_iter() {
1889 let tmp_dir = tempfile::tempdir()?;
1890 this.update(cx, |this, cx| {
1891 this.prepare_remote_extension(
1892 missing_extension.id.clone().into(),
1893 missing_extension.dev,
1894 tmp_dir.path().to_owned(),
1895 cx,
1896 )
1897 })?
1898 .await?;
1899 let dest_dir = RemotePathBuf::new(
1900 path_style
1901 .join(&response.tmp_dir, &missing_extension.id)
1902 .with_context(|| {
1903 format!(
1904 "failed to construct destination path: {:?}, {:?}",
1905 response.tmp_dir, missing_extension.id,
1906 )
1907 })?,
1908 path_style,
1909 );
1910 log::info!(
1911 "Uploading extension {} to {:?}",
1912 missing_extension.clone().id,
1913 dest_dir
1914 );
1915
1916 client
1917 .update(cx, |client, cx| {
1918 client.upload_directory(tmp_dir.path().to_owned(), dest_dir.clone(), cx)
1919 })?
1920 .await?;
1921
1922 log::info!(
1923 "Finished uploading extension {}",
1924 missing_extension.clone().id
1925 );
1926
1927 let result = client
1928 .update(cx, |client, _cx| {
1929 client.proto_client().request(proto::InstallExtension {
1930 tmp_dir: dest_dir.to_proto(),
1931 extension: Some(missing_extension.clone()),
1932 })
1933 })?
1934 .await;
1935
1936 if let Err(e) = result {
1937 log::error!(
1938 "Failed to install extension {}: {}",
1939 missing_extension.id,
1940 e
1941 );
1942 }
1943 }
1944
1945 anyhow::Ok(())
1946 }
1947
1948 pub async fn update_remote_clients(this: &WeakEntity<Self>, cx: &mut AsyncApp) -> Result<()> {
1949 let clients = this.update(cx, |this, _cx| {
1950 this.remote_clients.retain(|v| v.upgrade().is_some());
1951 this.remote_clients.clone()
1952 })?;
1953
1954 for client in clients {
1955 Self::sync_extensions_to_remotes(this, client, cx)
1956 .await
1957 .log_err();
1958 }
1959
1960 anyhow::Ok(())
1961 }
1962
1963 pub fn register_remote_client(
1964 &mut self,
1965 client: Entity<RemoteClient>,
1966 _cx: &mut Context<Self>,
1967 ) {
1968 self.remote_clients.push(client.downgrade());
1969 self.ssh_registered_tx.unbounded_send(()).ok();
1970 }
1971}
1972
1973fn load_plugin_queries(root_path: &Path) -> LanguageQueries {
1974 let mut result = LanguageQueries::default();
1975 if let Some(entries) = std::fs::read_dir(root_path).log_err() {
1976 for entry in entries {
1977 let Some(entry) = entry.log_err() else {
1978 continue;
1979 };
1980 let path = entry.path();
1981 if let Some(remainder) = path.strip_prefix(root_path).ok().and_then(|p| p.to_str()) {
1982 if !remainder.ends_with(".scm") {
1983 continue;
1984 }
1985 for (name, query) in QUERY_FILENAME_PREFIXES {
1986 if remainder.starts_with(name) {
1987 if let Some(contents) = std::fs::read_to_string(&path).log_err() {
1988 match query(&mut result) {
1989 None => *query(&mut result) = Some(contents.into()),
1990 Some(r) => r.to_mut().push_str(contents.as_ref()),
1991 }
1992 }
1993 break;
1994 }
1995 }
1996 }
1997 }
1998 }
1999 result
2000}
2001