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 #[allow(clippy::too_many_arguments)]
222 pub fn new(
223 extensions_dir: PathBuf,
224 build_dir: Option<PathBuf>,
225 extension_host_proxy: Arc<ExtensionHostProxy>,
226 fs: Arc<dyn Fs>,
227 http_client: Arc<HttpClientWithUrl>,
228 builder_client: Arc<dyn HttpClient>,
229 telemetry: Option<Arc<Telemetry>>,
230 node_runtime: NodeRuntime,
231 cx: &mut Context<Self>,
232 ) -> Self {
233 let work_dir = extensions_dir.join("work");
234 let build_dir = build_dir.unwrap_or_else(|| extensions_dir.join("build"));
235 let installed_dir = extensions_dir.join("installed");
236 let index_path = extensions_dir.join("index.json");
237
238 let (reload_tx, mut reload_rx) = unbounded();
239 let (connection_registered_tx, mut connection_registered_rx) = unbounded();
240 let mut this = Self {
241 proxy: extension_host_proxy.clone(),
242 extension_index: Default::default(),
243 installed_dir,
244 index_path,
245 builder: Arc::new(ExtensionBuilder::new(builder_client, build_dir)),
246 outstanding_operations: Default::default(),
247 modified_extensions: Default::default(),
248 reload_complete_senders: Vec::new(),
249 wasm_host: WasmHost::new(
250 fs.clone(),
251 http_client.clone(),
252 node_runtime,
253 extension_host_proxy,
254 work_dir,
255 cx,
256 ),
257 wasm_extensions: Vec::new(),
258 fs,
259 http_client,
260 telemetry,
261 reload_tx,
262 tasks: Vec::new(),
263
264 ssh_clients: HashMap::default(),
265 ssh_registered_tx: connection_registered_tx,
266 };
267
268 // The extensions store maintains an index file, which contains a complete
269 // list of the installed extensions and the resources that they provide.
270 // This index is loaded synchronously on startup.
271 let (index_content, index_metadata, extensions_metadata) =
272 cx.background_executor().block(async {
273 futures::join!(
274 this.fs.load(&this.index_path),
275 this.fs.metadata(&this.index_path),
276 this.fs.metadata(&this.installed_dir),
277 )
278 });
279
280 // Normally, there is no need to rebuild the index. But if the index file
281 // is invalid or is out-of-date according to the filesystem mtimes, then
282 // it must be asynchronously rebuilt.
283 let mut extension_index = ExtensionIndex::default();
284 let mut extension_index_needs_rebuild = true;
285 if let Ok(index_content) = index_content {
286 if let Some(index) = serde_json::from_str(&index_content).log_err() {
287 extension_index = index;
288 if let (Ok(Some(index_metadata)), Ok(Some(extensions_metadata))) =
289 (index_metadata, extensions_metadata)
290 {
291 if index_metadata
292 .mtime
293 .bad_is_greater_than(extensions_metadata.mtime)
294 {
295 extension_index_needs_rebuild = false;
296 }
297 }
298 }
299 }
300
301 // Immediately load all of the extensions in the initial manifest. If the
302 // index needs to be rebuild, then enqueue
303 let load_initial_extensions = this.extensions_updated(extension_index, cx);
304 let mut reload_future = None;
305 if extension_index_needs_rebuild {
306 reload_future = Some(this.reload(None, cx));
307 }
308
309 cx.spawn(|this, mut cx| async move {
310 if let Some(future) = reload_future {
311 future.await;
312 }
313 this.update(&mut cx, |this, cx| this.auto_install_extensions(cx))
314 .ok();
315 this.update(&mut cx, |this, cx| this.check_for_updates(cx))
316 .ok();
317 })
318 .detach();
319
320 // Perform all extension loading in a single task to ensure that we
321 // never attempt to simultaneously load/unload extensions from multiple
322 // parallel tasks.
323 this.tasks.push(cx.spawn(|this, mut cx| {
324 async move {
325 load_initial_extensions.await;
326
327 let mut index_changed = false;
328 let mut debounce_timer = cx
329 .background_executor()
330 .spawn(futures::future::pending())
331 .fuse();
332 loop {
333 select_biased! {
334 _ = debounce_timer => {
335 if index_changed {
336 let index = this
337 .update(&mut cx, |this, cx| this.rebuild_extension_index(cx))?
338 .await;
339 this.update(&mut cx, |this, cx| this.extensions_updated(index, cx))?
340 .await;
341 index_changed = false;
342 }
343
344 Self::update_ssh_clients(&this, &mut cx).await?;
345 }
346 _ = connection_registered_rx.next() => {
347 debounce_timer = cx
348 .background_executor()
349 .timer(RELOAD_DEBOUNCE_DURATION)
350 .fuse();
351 }
352 extension_id = reload_rx.next() => {
353 let Some(extension_id) = extension_id else { break; };
354 this.update(&mut cx, |this, _| {
355 this.modified_extensions.extend(extension_id);
356 })?;
357 index_changed = true;
358 debounce_timer = cx
359 .background_executor()
360 .timer(RELOAD_DEBOUNCE_DURATION)
361 .fuse();
362 }
363 }
364 }
365
366 anyhow::Ok(())
367 }
368 .map(drop)
369 }));
370
371 // Watch the installed extensions directory for changes. Whenever changes are
372 // detected, rebuild the extension index, and load/unload any extensions that
373 // have been added, removed, or modified.
374 this.tasks.push(cx.background_executor().spawn({
375 let fs = this.fs.clone();
376 let reload_tx = this.reload_tx.clone();
377 let installed_dir = this.installed_dir.clone();
378 async move {
379 let (mut paths, _) = fs.watch(&installed_dir, FS_WATCH_LATENCY).await;
380 while let Some(events) = paths.next().await {
381 for event in events {
382 let Ok(event_path) = event.path.strip_prefix(&installed_dir) else {
383 continue;
384 };
385
386 if let Some(path::Component::Normal(extension_dir_name)) =
387 event_path.components().next()
388 {
389 if let Some(extension_id) = extension_dir_name.to_str() {
390 reload_tx.unbounded_send(Some(extension_id.into())).ok();
391 }
392 }
393 }
394 }
395 }
396 }));
397
398 this
399 }
400
401 pub fn reload(
402 &mut self,
403 modified_extension: Option<Arc<str>>,
404 cx: &mut Context<Self>,
405 ) -> impl Future<Output = ()> {
406 let (tx, rx) = oneshot::channel();
407 self.reload_complete_senders.push(tx);
408 self.reload_tx
409 .unbounded_send(modified_extension)
410 .expect("reload task exited");
411 cx.emit(Event::StartedReloading);
412
413 async move {
414 rx.await.ok();
415 }
416 }
417
418 fn extensions_dir(&self) -> PathBuf {
419 self.installed_dir.clone()
420 }
421
422 pub fn outstanding_operations(&self) -> &BTreeMap<Arc<str>, ExtensionOperation> {
423 &self.outstanding_operations
424 }
425
426 pub fn installed_extensions(&self) -> &BTreeMap<Arc<str>, ExtensionIndexEntry> {
427 &self.extension_index.extensions
428 }
429
430 pub fn dev_extensions(&self) -> impl Iterator<Item = &Arc<ExtensionManifest>> {
431 self.extension_index
432 .extensions
433 .values()
434 .filter_map(|extension| extension.dev.then_some(&extension.manifest))
435 }
436
437 /// Returns the names of themes provided by extensions.
438 pub fn extension_themes<'a>(
439 &'a self,
440 extension_id: &'a str,
441 ) -> impl Iterator<Item = &'a Arc<str>> {
442 self.extension_index
443 .themes
444 .iter()
445 .filter_map(|(name, theme)| theme.extension.as_ref().eq(extension_id).then_some(name))
446 }
447
448 /// Returns the names of icon themes provided by extensions.
449 pub fn extension_icon_themes<'a>(
450 &'a self,
451 extension_id: &'a str,
452 ) -> impl Iterator<Item = &'a Arc<str>> {
453 self.extension_index
454 .icon_themes
455 .iter()
456 .filter_map(|(name, icon_theme)| {
457 icon_theme
458 .extension
459 .as_ref()
460 .eq(extension_id)
461 .then_some(name)
462 })
463 }
464
465 pub fn fetch_extensions(
466 &self,
467 search: Option<&str>,
468 provides_filter: Option<&BTreeSet<ExtensionProvides>>,
469 cx: &mut Context<Self>,
470 ) -> Task<Result<Vec<ExtensionMetadata>>> {
471 let version = CURRENT_SCHEMA_VERSION.to_string();
472 let mut query = vec![("max_schema_version", version.as_str())];
473 if let Some(search) = search {
474 query.push(("filter", search));
475 }
476
477 let provides_filter = provides_filter.map(|provides_filter| {
478 provides_filter
479 .iter()
480 .map(|provides| provides.to_string())
481 .collect::<Vec<_>>()
482 .join(",")
483 });
484 if let Some(provides_filter) = provides_filter.as_deref() {
485 query.push(("provides", provides_filter));
486 }
487
488 self.fetch_extensions_from_api("/extensions", &query, cx)
489 }
490
491 pub fn fetch_extensions_with_update_available(
492 &mut self,
493 cx: &mut Context<Self>,
494 ) -> Task<Result<Vec<ExtensionMetadata>>> {
495 let schema_versions = schema_version_range();
496 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
497 let extension_settings = ExtensionSettings::get_global(cx);
498 let extension_ids = self
499 .extension_index
500 .extensions
501 .iter()
502 .filter(|(id, entry)| !entry.dev && extension_settings.should_auto_update(id))
503 .map(|(id, _)| id.as_ref())
504 .collect::<Vec<_>>()
505 .join(",");
506 let task = self.fetch_extensions_from_api(
507 "/extensions/updates",
508 &[
509 ("min_schema_version", &schema_versions.start().to_string()),
510 ("max_schema_version", &schema_versions.end().to_string()),
511 (
512 "min_wasm_api_version",
513 &wasm_api_versions.start().to_string(),
514 ),
515 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
516 ("ids", &extension_ids),
517 ],
518 cx,
519 );
520 cx.spawn(move |this, mut cx| async move {
521 let extensions = task.await?;
522 this.update(&mut cx, |this, _cx| {
523 extensions
524 .into_iter()
525 .filter(|extension| {
526 this.extension_index.extensions.get(&extension.id).map_or(
527 true,
528 |installed_extension| {
529 installed_extension.manifest.version != extension.manifest.version
530 },
531 )
532 })
533 .collect()
534 })
535 })
536 }
537
538 pub fn fetch_extension_versions(
539 &self,
540 extension_id: &str,
541 cx: &mut Context<Self>,
542 ) -> Task<Result<Vec<ExtensionMetadata>>> {
543 self.fetch_extensions_from_api(&format!("/extensions/{extension_id}"), &[], cx)
544 }
545
546 /// Installs any extensions that should be included with Zed by default.
547 ///
548 /// This can be used to make certain functionality provided by extensions
549 /// available out-of-the-box.
550 pub fn auto_install_extensions(&mut self, cx: &mut Context<Self>) {
551 let extension_settings = ExtensionSettings::get_global(cx);
552
553 let extensions_to_install = extension_settings
554 .auto_install_extensions
555 .keys()
556 .filter(|extension_id| extension_settings.should_auto_install(extension_id))
557 .filter(|extension_id| {
558 let is_already_installed = self
559 .extension_index
560 .extensions
561 .contains_key(extension_id.as_ref());
562 !is_already_installed
563 })
564 .cloned()
565 .collect::<Vec<_>>();
566
567 cx.spawn(move |this, mut cx| async move {
568 for extension_id in extensions_to_install {
569 this.update(&mut cx, |this, cx| {
570 this.install_latest_extension(extension_id.clone(), cx);
571 })
572 .ok();
573 }
574 })
575 .detach();
576 }
577
578 pub fn check_for_updates(&mut self, cx: &mut Context<Self>) {
579 let task = self.fetch_extensions_with_update_available(cx);
580 cx.spawn(move |this, mut cx| async move {
581 Self::upgrade_extensions(this, task.await?, &mut cx).await
582 })
583 .detach();
584 }
585
586 async fn upgrade_extensions(
587 this: WeakEntity<Self>,
588 extensions: Vec<ExtensionMetadata>,
589 cx: &mut AsyncApp,
590 ) -> Result<()> {
591 for extension in extensions {
592 let task = this.update(cx, |this, cx| {
593 if let Some(installed_extension) =
594 this.extension_index.extensions.get(&extension.id)
595 {
596 let installed_version =
597 SemanticVersion::from_str(&installed_extension.manifest.version).ok()?;
598 let latest_version =
599 SemanticVersion::from_str(&extension.manifest.version).ok()?;
600
601 if installed_version >= latest_version {
602 return None;
603 }
604 }
605
606 Some(this.upgrade_extension(extension.id, extension.manifest.version, cx))
607 })?;
608
609 if let Some(task) = task {
610 task.await.log_err();
611 }
612 }
613 anyhow::Ok(())
614 }
615
616 fn fetch_extensions_from_api(
617 &self,
618 path: &str,
619 query: &[(&str, &str)],
620 cx: &mut Context<'_, ExtensionStore>,
621 ) -> Task<Result<Vec<ExtensionMetadata>>> {
622 let url = self.http_client.build_zed_api_url(path, query);
623 let http_client = self.http_client.clone();
624 cx.spawn(move |_, _| async move {
625 let mut response = http_client
626 .get(url?.as_ref(), AsyncBody::empty(), true)
627 .await?;
628
629 let mut body = Vec::new();
630 response
631 .body_mut()
632 .read_to_end(&mut body)
633 .await
634 .context("error reading extensions")?;
635
636 if response.status().is_client_error() {
637 let text = String::from_utf8_lossy(body.as_slice());
638 bail!(
639 "status error {}, response: {text:?}",
640 response.status().as_u16()
641 );
642 }
643
644 let response: GetExtensionsResponse = serde_json::from_slice(&body)?;
645 Ok(response.data)
646 })
647 }
648
649 pub fn install_extension(
650 &mut self,
651 extension_id: Arc<str>,
652 version: Arc<str>,
653 cx: &mut Context<Self>,
654 ) {
655 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Install, cx)
656 .detach_and_log_err(cx);
657 }
658
659 fn install_or_upgrade_extension_at_endpoint(
660 &mut self,
661 extension_id: Arc<str>,
662 url: Url,
663 operation: ExtensionOperation,
664 cx: &mut Context<Self>,
665 ) -> Task<Result<()>> {
666 let extension_dir = self.installed_dir.join(extension_id.as_ref());
667 let http_client = self.http_client.clone();
668 let fs = self.fs.clone();
669
670 match self.outstanding_operations.entry(extension_id.clone()) {
671 btree_map::Entry::Occupied(_) => return Task::ready(Ok(())),
672 btree_map::Entry::Vacant(e) => e.insert(operation),
673 };
674 cx.notify();
675
676 cx.spawn(move |this, mut cx| async move {
677 let _finish = util::defer({
678 let this = this.clone();
679 let mut cx = cx.clone();
680 let extension_id = extension_id.clone();
681 move || {
682 this.update(&mut cx, |this, cx| {
683 this.outstanding_operations.remove(extension_id.as_ref());
684 cx.notify();
685 })
686 .ok();
687 }
688 });
689
690 let mut response = http_client
691 .get(url.as_ref(), Default::default(), true)
692 .await
693 .map_err(|err| anyhow!("error downloading extension: {}", err))?;
694
695 fs.remove_dir(
696 &extension_dir,
697 RemoveOptions {
698 recursive: true,
699 ignore_if_not_exists: true,
700 },
701 )
702 .await?;
703
704 let content_length = response
705 .headers()
706 .get(http_client::http::header::CONTENT_LENGTH)
707 .and_then(|value| value.to_str().ok()?.parse::<usize>().ok());
708
709 let mut body = BufReader::new(response.body_mut());
710 let mut tar_gz_bytes = Vec::new();
711 body.read_to_end(&mut tar_gz_bytes).await?;
712
713 if let Some(content_length) = content_length {
714 let actual_len = tar_gz_bytes.len();
715 if content_length != actual_len {
716 bail!("downloaded extension size {actual_len} does not match content length {content_length}");
717 }
718 }
719 let decompressed_bytes = GzipDecoder::new(BufReader::new(tar_gz_bytes.as_slice()));
720 let archive = Archive::new(decompressed_bytes);
721 archive.unpack(extension_dir).await?;
722 this.update(&mut cx, |this, cx| {
723 this.reload(Some(extension_id.clone()), cx)
724 })?
725 .await;
726
727 if let ExtensionOperation::Install = operation {
728 this.update(&mut cx, |_, cx| {
729 cx.emit(Event::ExtensionInstalled(extension_id));
730 })
731 .ok();
732 }
733
734 anyhow::Ok(())
735 })
736 }
737
738 pub fn install_latest_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
739 log::info!("installing extension {extension_id} latest version");
740
741 let schema_versions = schema_version_range();
742 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
743
744 let Some(url) = self
745 .http_client
746 .build_zed_api_url(
747 &format!("/extensions/{extension_id}/download"),
748 &[
749 ("min_schema_version", &schema_versions.start().to_string()),
750 ("max_schema_version", &schema_versions.end().to_string()),
751 (
752 "min_wasm_api_version",
753 &wasm_api_versions.start().to_string(),
754 ),
755 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
756 ],
757 )
758 .log_err()
759 else {
760 return;
761 };
762
763 self.install_or_upgrade_extension_at_endpoint(
764 extension_id,
765 url,
766 ExtensionOperation::Install,
767 cx,
768 )
769 .detach_and_log_err(cx);
770 }
771
772 pub fn upgrade_extension(
773 &mut self,
774 extension_id: Arc<str>,
775 version: Arc<str>,
776 cx: &mut Context<Self>,
777 ) -> Task<Result<()>> {
778 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Upgrade, cx)
779 }
780
781 fn install_or_upgrade_extension(
782 &mut self,
783 extension_id: Arc<str>,
784 version: Arc<str>,
785 operation: ExtensionOperation,
786 cx: &mut Context<Self>,
787 ) -> Task<Result<()>> {
788 log::info!("installing extension {extension_id} {version}");
789 let Some(url) = self
790 .http_client
791 .build_zed_api_url(
792 &format!("/extensions/{extension_id}/{version}/download"),
793 &[],
794 )
795 .log_err()
796 else {
797 return Task::ready(Ok(()));
798 };
799
800 self.install_or_upgrade_extension_at_endpoint(extension_id, url, operation, cx)
801 }
802
803 pub fn uninstall_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
804 let extension_dir = self.installed_dir.join(extension_id.as_ref());
805 let work_dir = self.wasm_host.work_dir.join(extension_id.as_ref());
806 let fs = self.fs.clone();
807
808 match self.outstanding_operations.entry(extension_id.clone()) {
809 btree_map::Entry::Occupied(_) => return,
810 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Remove),
811 };
812
813 cx.spawn(move |this, mut cx| async move {
814 let _finish = util::defer({
815 let this = this.clone();
816 let mut cx = cx.clone();
817 let extension_id = extension_id.clone();
818 move || {
819 this.update(&mut cx, |this, cx| {
820 this.outstanding_operations.remove(extension_id.as_ref());
821 cx.notify();
822 })
823 .ok();
824 }
825 });
826
827 fs.remove_dir(
828 &work_dir,
829 RemoveOptions {
830 recursive: true,
831 ignore_if_not_exists: true,
832 },
833 )
834 .await?;
835
836 fs.remove_dir(
837 &extension_dir,
838 RemoveOptions {
839 recursive: true,
840 ignore_if_not_exists: true,
841 },
842 )
843 .await?;
844
845 this.update(&mut cx, |this, cx| this.reload(None, cx))?
846 .await;
847 anyhow::Ok(())
848 })
849 .detach_and_log_err(cx)
850 }
851
852 pub fn install_dev_extension(
853 &mut self,
854 extension_source_path: PathBuf,
855 cx: &mut Context<Self>,
856 ) -> Task<Result<()>> {
857 let extensions_dir = self.extensions_dir();
858 let fs = self.fs.clone();
859 let builder = self.builder.clone();
860
861 cx.spawn(move |this, mut cx| async move {
862 let mut extension_manifest =
863 ExtensionManifest::load(fs.clone(), &extension_source_path).await?;
864 let extension_id = extension_manifest.id.clone();
865
866 if !this.update(&mut cx, |this, cx| {
867 match this.outstanding_operations.entry(extension_id.clone()) {
868 btree_map::Entry::Occupied(_) => return false,
869 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Remove),
870 };
871 cx.notify();
872 true
873 })? {
874 return Ok(());
875 }
876
877 let _finish = util::defer({
878 let this = this.clone();
879 let mut cx = cx.clone();
880 let extension_id = extension_id.clone();
881 move || {
882 this.update(&mut cx, |this, cx| {
883 this.outstanding_operations.remove(extension_id.as_ref());
884 cx.notify();
885 })
886 .ok();
887 }
888 });
889
890 cx.background_executor()
891 .spawn({
892 let extension_source_path = extension_source_path.clone();
893 async move {
894 builder
895 .compile_extension(
896 &extension_source_path,
897 &mut extension_manifest,
898 CompileExtensionOptions { release: false },
899 )
900 .await
901 }
902 })
903 .await?;
904
905 let output_path = &extensions_dir.join(extension_id.as_ref());
906 if let Some(metadata) = fs.metadata(output_path).await? {
907 if metadata.is_symlink {
908 fs.remove_file(
909 output_path,
910 RemoveOptions {
911 recursive: false,
912 ignore_if_not_exists: true,
913 },
914 )
915 .await?;
916 } else {
917 bail!("extension {extension_id} is already installed");
918 }
919 }
920
921 fs.create_symlink(output_path, extension_source_path)
922 .await?;
923
924 this.update(&mut cx, |this, cx| this.reload(None, cx))?
925 .await;
926 Ok(())
927 })
928 }
929
930 pub fn rebuild_dev_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
931 let path = self.installed_dir.join(extension_id.as_ref());
932 let builder = self.builder.clone();
933 let fs = self.fs.clone();
934
935 match self.outstanding_operations.entry(extension_id.clone()) {
936 btree_map::Entry::Occupied(_) => return,
937 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Upgrade),
938 };
939
940 cx.notify();
941 let compile = cx.background_executor().spawn(async move {
942 let mut manifest = ExtensionManifest::load(fs, &path).await?;
943 builder
944 .compile_extension(
945 &path,
946 &mut manifest,
947 CompileExtensionOptions { release: true },
948 )
949 .await
950 });
951
952 cx.spawn(|this, mut cx| async move {
953 let result = compile.await;
954
955 this.update(&mut cx, |this, cx| {
956 this.outstanding_operations.remove(&extension_id);
957 cx.notify();
958 })?;
959
960 if result.is_ok() {
961 this.update(&mut cx, |this, cx| this.reload(Some(extension_id), cx))?
962 .await;
963 }
964
965 result
966 })
967 .detach_and_log_err(cx)
968 }
969
970 /// Updates the set of installed extensions.
971 ///
972 /// First, this unloads any themes, languages, or grammars that are
973 /// no longer in the manifest, or whose files have changed on disk.
974 /// Then it loads any themes, languages, or grammars that are newly
975 /// added to the manifest, or whose files have changed on disk.
976 fn extensions_updated(
977 &mut self,
978 new_index: ExtensionIndex,
979 cx: &mut Context<Self>,
980 ) -> Task<()> {
981 let old_index = &self.extension_index;
982
983 // Determine which extensions need to be loaded and unloaded, based
984 // on the changes to the manifest and the extensions that we know have been
985 // modified.
986 let mut extensions_to_unload = Vec::default();
987 let mut extensions_to_load = Vec::default();
988 {
989 let mut old_keys = old_index.extensions.iter().peekable();
990 let mut new_keys = new_index.extensions.iter().peekable();
991 loop {
992 match (old_keys.peek(), new_keys.peek()) {
993 (None, None) => break,
994 (None, Some(_)) => {
995 extensions_to_load.push(new_keys.next().unwrap().0.clone());
996 }
997 (Some(_), None) => {
998 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
999 }
1000 (Some((old_key, _)), Some((new_key, _))) => match old_key.cmp(new_key) {
1001 Ordering::Equal => {
1002 let (old_key, old_value) = old_keys.next().unwrap();
1003 let (new_key, new_value) = new_keys.next().unwrap();
1004 if old_value != new_value || self.modified_extensions.contains(old_key)
1005 {
1006 extensions_to_unload.push(old_key.clone());
1007 extensions_to_load.push(new_key.clone());
1008 }
1009 }
1010 Ordering::Less => {
1011 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
1012 }
1013 Ordering::Greater => {
1014 extensions_to_load.push(new_keys.next().unwrap().0.clone());
1015 }
1016 },
1017 }
1018 }
1019 self.modified_extensions.clear();
1020 }
1021
1022 if extensions_to_load.is_empty() && extensions_to_unload.is_empty() {
1023 return Task::ready(());
1024 }
1025
1026 let reload_count = extensions_to_unload
1027 .iter()
1028 .filter(|id| extensions_to_load.contains(id))
1029 .count();
1030
1031 log::info!(
1032 "extensions updated. loading {}, reloading {}, unloading {}",
1033 extensions_to_load.len() - reload_count,
1034 reload_count,
1035 extensions_to_unload.len() - reload_count
1036 );
1037
1038 for extension_id in &extensions_to_load {
1039 if let Some(extension) = new_index.extensions.get(extension_id) {
1040 telemetry::event!(
1041 "Extension Loaded",
1042 extension_id,
1043 version = extension.manifest.version
1044 );
1045 }
1046 }
1047
1048 let themes_to_remove = old_index
1049 .themes
1050 .iter()
1051 .filter_map(|(name, entry)| {
1052 if extensions_to_unload.contains(&entry.extension) {
1053 Some(name.clone().into())
1054 } else {
1055 None
1056 }
1057 })
1058 .collect::<Vec<_>>();
1059 let icon_themes_to_remove = old_index
1060 .icon_themes
1061 .iter()
1062 .filter_map(|(name, entry)| {
1063 if extensions_to_unload.contains(&entry.extension) {
1064 Some(name.clone().into())
1065 } else {
1066 None
1067 }
1068 })
1069 .collect::<Vec<_>>();
1070 let languages_to_remove = old_index
1071 .languages
1072 .iter()
1073 .filter_map(|(name, entry)| {
1074 if extensions_to_unload.contains(&entry.extension) {
1075 Some(name.clone())
1076 } else {
1077 None
1078 }
1079 })
1080 .collect::<Vec<_>>();
1081 let mut grammars_to_remove = Vec::new();
1082 for extension_id in &extensions_to_unload {
1083 let Some(extension) = old_index.extensions.get(extension_id) else {
1084 continue;
1085 };
1086 grammars_to_remove.extend(extension.manifest.grammars.keys().cloned());
1087 for (language_server_name, config) in extension.manifest.language_servers.iter() {
1088 for language in config.languages() {
1089 self.proxy
1090 .remove_language_server(&language, language_server_name);
1091 }
1092 }
1093 }
1094
1095 self.wasm_extensions
1096 .retain(|(extension, _)| !extensions_to_unload.contains(&extension.id));
1097 self.proxy.remove_user_themes(themes_to_remove);
1098 self.proxy.remove_icon_themes(icon_themes_to_remove);
1099 self.proxy
1100 .remove_languages(&languages_to_remove, &grammars_to_remove);
1101
1102 let languages_to_add = new_index
1103 .languages
1104 .iter()
1105 .filter(|(_, entry)| extensions_to_load.contains(&entry.extension))
1106 .collect::<Vec<_>>();
1107 let mut grammars_to_add = Vec::new();
1108 let mut themes_to_add = Vec::new();
1109 let mut icon_themes_to_add = Vec::new();
1110 let mut snippets_to_add = Vec::new();
1111 for extension_id in &extensions_to_load {
1112 let Some(extension) = new_index.extensions.get(extension_id) else {
1113 continue;
1114 };
1115
1116 grammars_to_add.extend(extension.manifest.grammars.keys().map(|grammar_name| {
1117 let mut grammar_path = self.installed_dir.clone();
1118 grammar_path.extend([extension_id.as_ref(), "grammars"]);
1119 grammar_path.push(grammar_name.as_ref());
1120 grammar_path.set_extension("wasm");
1121 (grammar_name.clone(), grammar_path)
1122 }));
1123 themes_to_add.extend(extension.manifest.themes.iter().map(|theme_path| {
1124 let mut path = self.installed_dir.clone();
1125 path.extend([Path::new(extension_id.as_ref()), theme_path.as_path()]);
1126 path
1127 }));
1128 icon_themes_to_add.extend(extension.manifest.icon_themes.iter().map(
1129 |icon_theme_path| {
1130 let mut path = self.installed_dir.clone();
1131 path.extend([Path::new(extension_id.as_ref()), icon_theme_path.as_path()]);
1132
1133 let mut icons_root_path = self.installed_dir.clone();
1134 icons_root_path.extend([Path::new(extension_id.as_ref())]);
1135
1136 (path, icons_root_path)
1137 },
1138 ));
1139 snippets_to_add.extend(extension.manifest.snippets.iter().map(|snippets_path| {
1140 let mut path = self.installed_dir.clone();
1141 path.extend([Path::new(extension_id.as_ref()), snippets_path.as_path()]);
1142 path
1143 }));
1144 }
1145
1146 self.proxy.register_grammars(grammars_to_add);
1147
1148 for (language_name, language) in languages_to_add {
1149 let mut language_path = self.installed_dir.clone();
1150 language_path.extend([
1151 Path::new(language.extension.as_ref()),
1152 language.path.as_path(),
1153 ]);
1154 self.proxy.register_language(
1155 language_name.clone(),
1156 language.grammar.clone(),
1157 language.matcher.clone(),
1158 language.hidden,
1159 Arc::new(move || {
1160 let config = std::fs::read_to_string(language_path.join("config.toml"))?;
1161 let config: LanguageConfig = ::toml::from_str(&config)?;
1162 let queries = load_plugin_queries(&language_path);
1163 let context_provider =
1164 std::fs::read_to_string(language_path.join("tasks.json"))
1165 .ok()
1166 .and_then(|contents| {
1167 let definitions =
1168 serde_json_lenient::from_str(&contents).log_err()?;
1169 Some(Arc::new(ContextProviderWithTasks::new(definitions)) as Arc<_>)
1170 });
1171
1172 Ok(LoadedLanguage {
1173 config,
1174 queries,
1175 context_provider,
1176 toolchain_provider: None,
1177 })
1178 }),
1179 );
1180 }
1181
1182 let fs = self.fs.clone();
1183 let wasm_host = self.wasm_host.clone();
1184 let root_dir = self.installed_dir.clone();
1185 let proxy = self.proxy.clone();
1186 let extension_entries = extensions_to_load
1187 .iter()
1188 .filter_map(|name| new_index.extensions.get(name).cloned())
1189 .collect::<Vec<_>>();
1190
1191 self.extension_index = new_index;
1192 cx.notify();
1193 cx.emit(Event::ExtensionsUpdated);
1194
1195 cx.spawn(|this, mut cx| async move {
1196 cx.background_executor()
1197 .spawn({
1198 let fs = fs.clone();
1199 async move {
1200 for theme_path in themes_to_add.into_iter() {
1201 proxy
1202 .load_user_theme(theme_path, fs.clone())
1203 .await
1204 .log_err();
1205 }
1206
1207 for (icon_theme_path, icons_root_path) in icon_themes_to_add.into_iter() {
1208 proxy
1209 .load_icon_theme(icon_theme_path, icons_root_path, fs.clone())
1210 .await
1211 .log_err();
1212 }
1213
1214 for snippets_path in &snippets_to_add {
1215 if let Some(snippets_contents) = fs.load(snippets_path).await.log_err()
1216 {
1217 proxy
1218 .register_snippet(snippets_path, &snippets_contents)
1219 .log_err();
1220 }
1221 }
1222 }
1223 })
1224 .await;
1225
1226 let mut wasm_extensions = Vec::new();
1227 for extension in extension_entries {
1228 if extension.manifest.lib.kind.is_none() {
1229 continue;
1230 };
1231
1232 let extension_path = root_dir.join(extension.manifest.id.as_ref());
1233 let wasm_extension = WasmExtension::load(
1234 extension_path,
1235 &extension.manifest,
1236 wasm_host.clone(),
1237 &cx,
1238 )
1239 .await;
1240
1241 if let Some(wasm_extension) = wasm_extension.log_err() {
1242 wasm_extensions.push((extension.manifest.clone(), wasm_extension));
1243 } else {
1244 this.update(&mut cx, |_, cx| {
1245 cx.emit(Event::ExtensionFailedToLoad(extension.manifest.id.clone()))
1246 })
1247 .ok();
1248 }
1249 }
1250
1251 this.update(&mut cx, |this, cx| {
1252 this.reload_complete_senders.clear();
1253
1254 for (manifest, wasm_extension) in &wasm_extensions {
1255 let extension = Arc::new(wasm_extension.clone());
1256
1257 for (language_server_id, language_server_config) in &manifest.language_servers {
1258 for language in language_server_config.languages() {
1259 this.proxy.register_language_server(
1260 extension.clone(),
1261 language_server_id.clone(),
1262 language.clone(),
1263 );
1264 }
1265 }
1266
1267 for (slash_command_name, slash_command) in &manifest.slash_commands {
1268 this.proxy.register_slash_command(
1269 extension.clone(),
1270 extension::SlashCommand {
1271 name: slash_command_name.to_string(),
1272 description: slash_command.description.to_string(),
1273 // We don't currently expose this as a configurable option, as it currently drives
1274 // the `menu_text` on the `SlashCommand` trait, which is not used for slash commands
1275 // defined in extensions, as they are not able to be added to the menu.
1276 tooltip_text: String::new(),
1277 requires_argument: slash_command.requires_argument,
1278 },
1279 );
1280 }
1281
1282 for (id, _context_server_entry) in &manifest.context_servers {
1283 this.proxy
1284 .register_context_server(extension.clone(), id.clone(), cx);
1285 }
1286
1287 for (provider_id, _provider) in &manifest.indexed_docs_providers {
1288 this.proxy
1289 .register_indexed_docs_provider(extension.clone(), provider_id.clone());
1290 }
1291 }
1292
1293 this.wasm_extensions.extend(wasm_extensions);
1294 this.proxy.reload_current_theme(cx);
1295 this.proxy.reload_current_icon_theme(cx);
1296 })
1297 .ok();
1298 })
1299 }
1300
1301 fn rebuild_extension_index(&self, cx: &mut Context<Self>) -> Task<ExtensionIndex> {
1302 let fs = self.fs.clone();
1303 let work_dir = self.wasm_host.work_dir.clone();
1304 let extensions_dir = self.installed_dir.clone();
1305 let index_path = self.index_path.clone();
1306 let proxy = self.proxy.clone();
1307 cx.background_executor().spawn(async move {
1308 let start_time = Instant::now();
1309 let mut index = ExtensionIndex::default();
1310
1311 fs.create_dir(&work_dir).await.log_err();
1312 fs.create_dir(&extensions_dir).await.log_err();
1313
1314 let extension_paths = fs.read_dir(&extensions_dir).await;
1315 if let Ok(mut extension_paths) = extension_paths {
1316 while let Some(extension_dir) = extension_paths.next().await {
1317 let Ok(extension_dir) = extension_dir else {
1318 continue;
1319 };
1320
1321 if extension_dir
1322 .file_name()
1323 .map_or(false, |file_name| file_name == ".DS_Store")
1324 {
1325 continue;
1326 }
1327
1328 Self::add_extension_to_index(
1329 fs.clone(),
1330 extension_dir,
1331 &mut index,
1332 proxy.clone(),
1333 )
1334 .await
1335 .log_err();
1336 }
1337 }
1338
1339 if let Ok(index_json) = serde_json::to_string_pretty(&index) {
1340 fs.save(&index_path, &index_json.as_str().into(), Default::default())
1341 .await
1342 .context("failed to save extension index")
1343 .log_err();
1344 }
1345
1346 log::info!("rebuilt extension index in {:?}", start_time.elapsed());
1347 index
1348 })
1349 }
1350
1351 async fn add_extension_to_index(
1352 fs: Arc<dyn Fs>,
1353 extension_dir: PathBuf,
1354 index: &mut ExtensionIndex,
1355 proxy: Arc<ExtensionHostProxy>,
1356 ) -> Result<()> {
1357 let mut extension_manifest = ExtensionManifest::load(fs.clone(), &extension_dir).await?;
1358 let extension_id = extension_manifest.id.clone();
1359
1360 // TODO: distinguish dev extensions more explicitly, by the absence
1361 // of a checksum file that we'll create when downloading normal extensions.
1362 let is_dev = fs
1363 .metadata(&extension_dir)
1364 .await?
1365 .ok_or_else(|| anyhow!("directory does not exist"))?
1366 .is_symlink;
1367
1368 if let Ok(mut language_paths) = fs.read_dir(&extension_dir.join("languages")).await {
1369 while let Some(language_path) = language_paths.next().await {
1370 let language_path = language_path?;
1371 let Ok(relative_path) = language_path.strip_prefix(&extension_dir) else {
1372 continue;
1373 };
1374 let Ok(Some(fs_metadata)) = fs.metadata(&language_path).await else {
1375 continue;
1376 };
1377 if !fs_metadata.is_dir {
1378 continue;
1379 }
1380 let config = fs.load(&language_path.join("config.toml")).await?;
1381 let config = ::toml::from_str::<LanguageConfig>(&config)?;
1382
1383 let relative_path = relative_path.to_path_buf();
1384 if !extension_manifest.languages.contains(&relative_path) {
1385 extension_manifest.languages.push(relative_path.clone());
1386 }
1387
1388 index.languages.insert(
1389 config.name.clone(),
1390 ExtensionIndexLanguageEntry {
1391 extension: extension_id.clone(),
1392 path: relative_path,
1393 matcher: config.matcher,
1394 hidden: config.hidden,
1395 grammar: config.grammar,
1396 },
1397 );
1398 }
1399 }
1400
1401 if let Ok(mut theme_paths) = fs.read_dir(&extension_dir.join("themes")).await {
1402 while let Some(theme_path) = theme_paths.next().await {
1403 let theme_path = theme_path?;
1404 let Ok(relative_path) = theme_path.strip_prefix(&extension_dir) else {
1405 continue;
1406 };
1407
1408 let Some(theme_families) = proxy
1409 .list_theme_names(theme_path.clone(), fs.clone())
1410 .await
1411 .log_err()
1412 else {
1413 continue;
1414 };
1415
1416 let relative_path = relative_path.to_path_buf();
1417 if !extension_manifest.themes.contains(&relative_path) {
1418 extension_manifest.themes.push(relative_path.clone());
1419 }
1420
1421 for theme_name in theme_families {
1422 index.themes.insert(
1423 theme_name.into(),
1424 ExtensionIndexThemeEntry {
1425 extension: extension_id.clone(),
1426 path: relative_path.clone(),
1427 },
1428 );
1429 }
1430 }
1431 }
1432
1433 if let Ok(mut icon_theme_paths) = fs.read_dir(&extension_dir.join("icon_themes")).await {
1434 while let Some(icon_theme_path) = icon_theme_paths.next().await {
1435 let icon_theme_path = icon_theme_path?;
1436 let Ok(relative_path) = icon_theme_path.strip_prefix(&extension_dir) else {
1437 continue;
1438 };
1439
1440 let Some(icon_theme_families) = proxy
1441 .list_icon_theme_names(icon_theme_path.clone(), fs.clone())
1442 .await
1443 .log_err()
1444 else {
1445 continue;
1446 };
1447
1448 let relative_path = relative_path.to_path_buf();
1449 if !extension_manifest.icon_themes.contains(&relative_path) {
1450 extension_manifest.icon_themes.push(relative_path.clone());
1451 }
1452
1453 for icon_theme_name in icon_theme_families {
1454 index.icon_themes.insert(
1455 icon_theme_name.into(),
1456 ExtensionIndexIconThemeEntry {
1457 extension: extension_id.clone(),
1458 path: relative_path.clone(),
1459 },
1460 );
1461 }
1462 }
1463 }
1464
1465 let extension_wasm_path = extension_dir.join("extension.wasm");
1466 if fs.is_file(&extension_wasm_path).await {
1467 extension_manifest
1468 .lib
1469 .kind
1470 .get_or_insert(ExtensionLibraryKind::Rust);
1471 }
1472
1473 index.extensions.insert(
1474 extension_id.clone(),
1475 ExtensionIndexEntry {
1476 dev: is_dev,
1477 manifest: Arc::new(extension_manifest),
1478 },
1479 );
1480
1481 Ok(())
1482 }
1483
1484 fn prepare_remote_extension(
1485 &mut self,
1486 extension_id: Arc<str>,
1487 is_dev: bool,
1488 tmp_dir: PathBuf,
1489 cx: &mut Context<Self>,
1490 ) -> Task<Result<()>> {
1491 let src_dir = self.extensions_dir().join(extension_id.as_ref());
1492 let Some(loaded_extension) = self.extension_index.extensions.get(&extension_id).cloned()
1493 else {
1494 return Task::ready(Err(anyhow!("extension no longer installed")));
1495 };
1496 let fs = self.fs.clone();
1497 cx.background_executor().spawn(async move {
1498 const EXTENSION_TOML: &str = "extension.toml";
1499 const EXTENSION_WASM: &str = "extension.wasm";
1500 const CONFIG_TOML: &str = "config.toml";
1501
1502 if is_dev {
1503 let manifest_toml = toml::to_string(&loaded_extension.manifest)?;
1504 fs.save(
1505 &tmp_dir.join(EXTENSION_TOML),
1506 &Rope::from(manifest_toml),
1507 language::LineEnding::Unix,
1508 )
1509 .await?;
1510 } else {
1511 fs.copy_file(
1512 &src_dir.join(EXTENSION_TOML),
1513 &tmp_dir.join(EXTENSION_TOML),
1514 fs::CopyOptions::default(),
1515 )
1516 .await?
1517 }
1518
1519 if fs.is_file(&src_dir.join(EXTENSION_WASM)).await {
1520 fs.copy_file(
1521 &src_dir.join(EXTENSION_WASM),
1522 &tmp_dir.join(EXTENSION_WASM),
1523 fs::CopyOptions::default(),
1524 )
1525 .await?
1526 }
1527
1528 for language_path in loaded_extension.manifest.languages.iter() {
1529 if fs
1530 .is_file(&src_dir.join(language_path).join(CONFIG_TOML))
1531 .await
1532 {
1533 fs.create_dir(&tmp_dir.join(language_path)).await?;
1534 fs.copy_file(
1535 &src_dir.join(language_path).join(CONFIG_TOML),
1536 &tmp_dir.join(language_path).join(CONFIG_TOML),
1537 fs::CopyOptions::default(),
1538 )
1539 .await?
1540 }
1541 }
1542
1543 Ok(())
1544 })
1545 }
1546
1547 async fn sync_extensions_over_ssh(
1548 this: &WeakEntity<Self>,
1549 client: WeakEntity<SshRemoteClient>,
1550 cx: &mut AsyncApp,
1551 ) -> Result<()> {
1552 let extensions = this.update(cx, |this, _cx| {
1553 this.extension_index
1554 .extensions
1555 .iter()
1556 .filter_map(|(id, entry)| {
1557 if entry.manifest.language_servers.is_empty() {
1558 return None;
1559 }
1560 Some(proto::Extension {
1561 id: id.to_string(),
1562 version: entry.manifest.version.to_string(),
1563 dev: entry.dev,
1564 })
1565 })
1566 .collect()
1567 })?;
1568
1569 let response = client
1570 .update(cx, |client, _cx| {
1571 client
1572 .proto_client()
1573 .request(proto::SyncExtensions { extensions })
1574 })?
1575 .await?;
1576
1577 for missing_extension in response.missing_extensions.into_iter() {
1578 let tmp_dir = tempfile::tempdir()?;
1579 this.update(cx, |this, cx| {
1580 this.prepare_remote_extension(
1581 missing_extension.id.clone().into(),
1582 missing_extension.dev,
1583 tmp_dir.path().to_owned(),
1584 cx,
1585 )
1586 })?
1587 .await?;
1588 let dest_dir = PathBuf::from(&response.tmp_dir).join(missing_extension.clone().id);
1589 log::info!("Uploading extension {}", missing_extension.clone().id);
1590
1591 client
1592 .update(cx, |client, cx| {
1593 client.upload_directory(tmp_dir.path().to_owned(), dest_dir.clone(), cx)
1594 })?
1595 .await?;
1596
1597 log::info!(
1598 "Finished uploading extension {}",
1599 missing_extension.clone().id
1600 );
1601
1602 client
1603 .update(cx, |client, _cx| {
1604 client.proto_client().request(proto::InstallExtension {
1605 tmp_dir: dest_dir.to_string_lossy().to_string(),
1606 extension: Some(missing_extension),
1607 })
1608 })?
1609 .await?;
1610 }
1611
1612 anyhow::Ok(())
1613 }
1614
1615 pub async fn update_ssh_clients(this: &WeakEntity<Self>, cx: &mut AsyncApp) -> Result<()> {
1616 let clients = this.update(cx, |this, _cx| {
1617 this.ssh_clients.retain(|_k, v| v.upgrade().is_some());
1618 this.ssh_clients.values().cloned().collect::<Vec<_>>()
1619 })?;
1620
1621 for client in clients {
1622 Self::sync_extensions_over_ssh(&this, client, cx)
1623 .await
1624 .log_err();
1625 }
1626
1627 anyhow::Ok(())
1628 }
1629
1630 pub fn register_ssh_client(&mut self, client: Entity<SshRemoteClient>, cx: &mut Context<Self>) {
1631 let connection_options = client.read(cx).connection_options();
1632 if self.ssh_clients.contains_key(&connection_options.ssh_url()) {
1633 return;
1634 }
1635
1636 self.ssh_clients
1637 .insert(connection_options.ssh_url(), client.downgrade());
1638 self.ssh_registered_tx.unbounded_send(()).ok();
1639 }
1640}
1641
1642fn load_plugin_queries(root_path: &Path) -> LanguageQueries {
1643 let mut result = LanguageQueries::default();
1644 if let Some(entries) = std::fs::read_dir(root_path).log_err() {
1645 for entry in entries {
1646 let Some(entry) = entry.log_err() else {
1647 continue;
1648 };
1649 let path = entry.path();
1650 if let Some(remainder) = path.strip_prefix(root_path).ok().and_then(|p| p.to_str()) {
1651 if !remainder.ends_with(".scm") {
1652 continue;
1653 }
1654 for (name, query) in QUERY_FILENAME_PREFIXES {
1655 if remainder.starts_with(name) {
1656 if let Some(contents) = std::fs::read_to_string(&path).log_err() {
1657 match query(&mut result) {
1658 None => *query(&mut result) = Some(contents.into()),
1659 Some(r) => r.to_mut().push_str(contents.as_ref()),
1660 }
1661 }
1662 break;
1663 }
1664 }
1665 }
1666 }
1667 }
1668 result
1669}