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