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