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