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