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 path to the theme file within an extension, if there is an
446 /// extension that provides the theme.
447 pub fn path_to_extension_theme(&self, theme_name: &str) -> Option<PathBuf> {
448 let entry = self.extension_index.themes.get(theme_name)?;
449
450 Some(
451 self.extensions_dir()
452 .join(entry.extension.as_ref())
453 .join(&entry.path),
454 )
455 }
456
457 /// Returns the names of icon themes provided by extensions.
458 pub fn extension_icon_themes<'a>(
459 &'a self,
460 extension_id: &'a str,
461 ) -> impl Iterator<Item = &'a Arc<str>> {
462 self.extension_index
463 .icon_themes
464 .iter()
465 .filter_map(|(name, icon_theme)| {
466 icon_theme
467 .extension
468 .as_ref()
469 .eq(extension_id)
470 .then_some(name)
471 })
472 }
473
474 /// Returns the path to the icon theme file within an extension, if there is
475 /// an extension that provides the icon theme.
476 pub fn path_to_extension_icon_theme(
477 &self,
478 icon_theme_name: &str,
479 ) -> Option<(PathBuf, PathBuf)> {
480 let entry = self.extension_index.icon_themes.get(icon_theme_name)?;
481
482 let icon_theme_path = self
483 .extensions_dir()
484 .join(entry.extension.as_ref())
485 .join(&entry.path);
486 let icons_root_path = self.extensions_dir().join(entry.extension.as_ref());
487
488 Some((icon_theme_path, icons_root_path))
489 }
490
491 pub fn fetch_extensions(
492 &self,
493 search: Option<&str>,
494 provides_filter: Option<&BTreeSet<ExtensionProvides>>,
495 cx: &mut Context<Self>,
496 ) -> Task<Result<Vec<ExtensionMetadata>>> {
497 let version = CURRENT_SCHEMA_VERSION.to_string();
498 let mut query = vec![("max_schema_version", version.as_str())];
499 if let Some(search) = search {
500 query.push(("filter", search));
501 }
502
503 let provides_filter = provides_filter.map(|provides_filter| {
504 provides_filter
505 .iter()
506 .map(|provides| provides.to_string())
507 .collect::<Vec<_>>()
508 .join(",")
509 });
510 if let Some(provides_filter) = provides_filter.as_deref() {
511 query.push(("provides", provides_filter));
512 }
513
514 self.fetch_extensions_from_api("/extensions", &query, cx)
515 }
516
517 pub fn fetch_extensions_with_update_available(
518 &mut self,
519 cx: &mut Context<Self>,
520 ) -> Task<Result<Vec<ExtensionMetadata>>> {
521 let schema_versions = schema_version_range();
522 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
523 let extension_settings = ExtensionSettings::get_global(cx);
524 let extension_ids = self
525 .extension_index
526 .extensions
527 .iter()
528 .filter(|(id, entry)| !entry.dev && extension_settings.should_auto_update(id))
529 .map(|(id, _)| id.as_ref())
530 .collect::<Vec<_>>()
531 .join(",");
532 let task = self.fetch_extensions_from_api(
533 "/extensions/updates",
534 &[
535 ("min_schema_version", &schema_versions.start().to_string()),
536 ("max_schema_version", &schema_versions.end().to_string()),
537 (
538 "min_wasm_api_version",
539 &wasm_api_versions.start().to_string(),
540 ),
541 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
542 ("ids", &extension_ids),
543 ],
544 cx,
545 );
546 cx.spawn(move |this, mut cx| async move {
547 let extensions = task.await?;
548 this.update(&mut cx, |this, _cx| {
549 extensions
550 .into_iter()
551 .filter(|extension| {
552 this.extension_index.extensions.get(&extension.id).map_or(
553 true,
554 |installed_extension| {
555 installed_extension.manifest.version != extension.manifest.version
556 },
557 )
558 })
559 .collect()
560 })
561 })
562 }
563
564 pub fn fetch_extension_versions(
565 &self,
566 extension_id: &str,
567 cx: &mut Context<Self>,
568 ) -> Task<Result<Vec<ExtensionMetadata>>> {
569 self.fetch_extensions_from_api(&format!("/extensions/{extension_id}"), &[], cx)
570 }
571
572 /// Installs any extensions that should be included with Zed by default.
573 ///
574 /// This can be used to make certain functionality provided by extensions
575 /// available out-of-the-box.
576 pub fn auto_install_extensions(&mut self, cx: &mut Context<Self>) {
577 let extension_settings = ExtensionSettings::get_global(cx);
578
579 let extensions_to_install = extension_settings
580 .auto_install_extensions
581 .keys()
582 .filter(|extension_id| extension_settings.should_auto_install(extension_id))
583 .filter(|extension_id| {
584 let is_already_installed = self
585 .extension_index
586 .extensions
587 .contains_key(extension_id.as_ref());
588 !is_already_installed
589 })
590 .cloned()
591 .collect::<Vec<_>>();
592
593 cx.spawn(move |this, mut cx| async move {
594 for extension_id in extensions_to_install {
595 this.update(&mut cx, |this, cx| {
596 this.install_latest_extension(extension_id.clone(), cx);
597 })
598 .ok();
599 }
600 })
601 .detach();
602 }
603
604 pub fn check_for_updates(&mut self, cx: &mut Context<Self>) {
605 let task = self.fetch_extensions_with_update_available(cx);
606 cx.spawn(move |this, mut cx| async move {
607 Self::upgrade_extensions(this, task.await?, &mut cx).await
608 })
609 .detach();
610 }
611
612 async fn upgrade_extensions(
613 this: WeakEntity<Self>,
614 extensions: Vec<ExtensionMetadata>,
615 cx: &mut AsyncApp,
616 ) -> Result<()> {
617 for extension in extensions {
618 let task = this.update(cx, |this, cx| {
619 if let Some(installed_extension) =
620 this.extension_index.extensions.get(&extension.id)
621 {
622 let installed_version =
623 SemanticVersion::from_str(&installed_extension.manifest.version).ok()?;
624 let latest_version =
625 SemanticVersion::from_str(&extension.manifest.version).ok()?;
626
627 if installed_version >= latest_version {
628 return None;
629 }
630 }
631
632 Some(this.upgrade_extension(extension.id, extension.manifest.version, cx))
633 })?;
634
635 if let Some(task) = task {
636 task.await.log_err();
637 }
638 }
639 anyhow::Ok(())
640 }
641
642 fn fetch_extensions_from_api(
643 &self,
644 path: &str,
645 query: &[(&str, &str)],
646 cx: &mut Context<'_, ExtensionStore>,
647 ) -> Task<Result<Vec<ExtensionMetadata>>> {
648 let url = self.http_client.build_zed_api_url(path, query);
649 let http_client = self.http_client.clone();
650 cx.spawn(move |_, _| async move {
651 let mut response = http_client
652 .get(url?.as_ref(), AsyncBody::empty(), true)
653 .await?;
654
655 let mut body = Vec::new();
656 response
657 .body_mut()
658 .read_to_end(&mut body)
659 .await
660 .context("error reading extensions")?;
661
662 if response.status().is_client_error() {
663 let text = String::from_utf8_lossy(body.as_slice());
664 bail!(
665 "status error {}, response: {text:?}",
666 response.status().as_u16()
667 );
668 }
669
670 let response: GetExtensionsResponse = serde_json::from_slice(&body)?;
671 Ok(response.data)
672 })
673 }
674
675 pub fn install_extension(
676 &mut self,
677 extension_id: Arc<str>,
678 version: Arc<str>,
679 cx: &mut Context<Self>,
680 ) {
681 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Install, cx)
682 .detach_and_log_err(cx);
683 }
684
685 fn install_or_upgrade_extension_at_endpoint(
686 &mut self,
687 extension_id: Arc<str>,
688 url: Url,
689 operation: ExtensionOperation,
690 cx: &mut Context<Self>,
691 ) -> Task<Result<()>> {
692 let extension_dir = self.installed_dir.join(extension_id.as_ref());
693 let http_client = self.http_client.clone();
694 let fs = self.fs.clone();
695
696 match self.outstanding_operations.entry(extension_id.clone()) {
697 btree_map::Entry::Occupied(_) => return Task::ready(Ok(())),
698 btree_map::Entry::Vacant(e) => e.insert(operation),
699 };
700 cx.notify();
701
702 cx.spawn(move |this, mut cx| async move {
703 let _finish = util::defer({
704 let this = this.clone();
705 let mut cx = cx.clone();
706 let extension_id = extension_id.clone();
707 move || {
708 this.update(&mut cx, |this, cx| {
709 this.outstanding_operations.remove(extension_id.as_ref());
710 cx.notify();
711 })
712 .ok();
713 }
714 });
715
716 let mut response = http_client
717 .get(url.as_ref(), Default::default(), true)
718 .await
719 .map_err(|err| anyhow!("error downloading extension: {}", err))?;
720
721 fs.remove_dir(
722 &extension_dir,
723 RemoveOptions {
724 recursive: true,
725 ignore_if_not_exists: true,
726 },
727 )
728 .await?;
729
730 let content_length = response
731 .headers()
732 .get(http_client::http::header::CONTENT_LENGTH)
733 .and_then(|value| value.to_str().ok()?.parse::<usize>().ok());
734
735 let mut body = BufReader::new(response.body_mut());
736 let mut tar_gz_bytes = Vec::new();
737 body.read_to_end(&mut tar_gz_bytes).await?;
738
739 if let Some(content_length) = content_length {
740 let actual_len = tar_gz_bytes.len();
741 if content_length != actual_len {
742 bail!("downloaded extension size {actual_len} does not match content length {content_length}");
743 }
744 }
745 let decompressed_bytes = GzipDecoder::new(BufReader::new(tar_gz_bytes.as_slice()));
746 let archive = Archive::new(decompressed_bytes);
747 archive.unpack(extension_dir).await?;
748 this.update(&mut cx, |this, cx| {
749 this.reload(Some(extension_id.clone()), cx)
750 })?
751 .await;
752
753 if let ExtensionOperation::Install = operation {
754 this.update(&mut cx, |_, cx| {
755 cx.emit(Event::ExtensionInstalled(extension_id));
756 })
757 .ok();
758 }
759
760 anyhow::Ok(())
761 })
762 }
763
764 pub fn install_latest_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
765 log::info!("installing extension {extension_id} latest version");
766
767 let schema_versions = schema_version_range();
768 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
769
770 let Some(url) = self
771 .http_client
772 .build_zed_api_url(
773 &format!("/extensions/{extension_id}/download"),
774 &[
775 ("min_schema_version", &schema_versions.start().to_string()),
776 ("max_schema_version", &schema_versions.end().to_string()),
777 (
778 "min_wasm_api_version",
779 &wasm_api_versions.start().to_string(),
780 ),
781 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
782 ],
783 )
784 .log_err()
785 else {
786 return;
787 };
788
789 self.install_or_upgrade_extension_at_endpoint(
790 extension_id,
791 url,
792 ExtensionOperation::Install,
793 cx,
794 )
795 .detach_and_log_err(cx);
796 }
797
798 pub fn upgrade_extension(
799 &mut self,
800 extension_id: Arc<str>,
801 version: Arc<str>,
802 cx: &mut Context<Self>,
803 ) -> Task<Result<()>> {
804 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Upgrade, cx)
805 }
806
807 fn install_or_upgrade_extension(
808 &mut self,
809 extension_id: Arc<str>,
810 version: Arc<str>,
811 operation: ExtensionOperation,
812 cx: &mut Context<Self>,
813 ) -> Task<Result<()>> {
814 log::info!("installing extension {extension_id} {version}");
815 let Some(url) = self
816 .http_client
817 .build_zed_api_url(
818 &format!("/extensions/{extension_id}/{version}/download"),
819 &[],
820 )
821 .log_err()
822 else {
823 return Task::ready(Ok(()));
824 };
825
826 self.install_or_upgrade_extension_at_endpoint(extension_id, url, operation, cx)
827 }
828
829 pub fn uninstall_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
830 let extension_dir = self.installed_dir.join(extension_id.as_ref());
831 let work_dir = self.wasm_host.work_dir.join(extension_id.as_ref());
832 let fs = self.fs.clone();
833
834 match self.outstanding_operations.entry(extension_id.clone()) {
835 btree_map::Entry::Occupied(_) => return,
836 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Remove),
837 };
838
839 cx.spawn(move |this, mut cx| async move {
840 let _finish = util::defer({
841 let this = this.clone();
842 let mut cx = cx.clone();
843 let extension_id = extension_id.clone();
844 move || {
845 this.update(&mut cx, |this, cx| {
846 this.outstanding_operations.remove(extension_id.as_ref());
847 cx.notify();
848 })
849 .ok();
850 }
851 });
852
853 fs.remove_dir(
854 &work_dir,
855 RemoveOptions {
856 recursive: true,
857 ignore_if_not_exists: true,
858 },
859 )
860 .await?;
861
862 fs.remove_dir(
863 &extension_dir,
864 RemoveOptions {
865 recursive: true,
866 ignore_if_not_exists: true,
867 },
868 )
869 .await?;
870
871 this.update(&mut cx, |this, cx| this.reload(None, cx))?
872 .await;
873 anyhow::Ok(())
874 })
875 .detach_and_log_err(cx)
876 }
877
878 pub fn install_dev_extension(
879 &mut self,
880 extension_source_path: PathBuf,
881 cx: &mut Context<Self>,
882 ) -> Task<Result<()>> {
883 let extensions_dir = self.extensions_dir();
884 let fs = self.fs.clone();
885 let builder = self.builder.clone();
886
887 cx.spawn(move |this, mut cx| async move {
888 let mut extension_manifest =
889 ExtensionManifest::load(fs.clone(), &extension_source_path).await?;
890 let extension_id = extension_manifest.id.clone();
891
892 if !this.update(&mut cx, |this, cx| {
893 match this.outstanding_operations.entry(extension_id.clone()) {
894 btree_map::Entry::Occupied(_) => return false,
895 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Remove),
896 };
897 cx.notify();
898 true
899 })? {
900 return Ok(());
901 }
902
903 let _finish = util::defer({
904 let this = this.clone();
905 let mut cx = cx.clone();
906 let extension_id = extension_id.clone();
907 move || {
908 this.update(&mut cx, |this, cx| {
909 this.outstanding_operations.remove(extension_id.as_ref());
910 cx.notify();
911 })
912 .ok();
913 }
914 });
915
916 cx.background_spawn({
917 let extension_source_path = extension_source_path.clone();
918 async move {
919 builder
920 .compile_extension(
921 &extension_source_path,
922 &mut extension_manifest,
923 CompileExtensionOptions { release: false },
924 )
925 .await
926 }
927 })
928 .await?;
929
930 let output_path = &extensions_dir.join(extension_id.as_ref());
931 if let Some(metadata) = fs.metadata(output_path).await? {
932 if metadata.is_symlink {
933 fs.remove_file(
934 output_path,
935 RemoveOptions {
936 recursive: false,
937 ignore_if_not_exists: true,
938 },
939 )
940 .await?;
941 } else {
942 bail!("extension {extension_id} is already installed");
943 }
944 }
945
946 fs.create_symlink(output_path, extension_source_path)
947 .await?;
948
949 this.update(&mut cx, |this, cx| this.reload(None, cx))?
950 .await;
951 Ok(())
952 })
953 }
954
955 pub fn rebuild_dev_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
956 let path = self.installed_dir.join(extension_id.as_ref());
957 let builder = self.builder.clone();
958 let fs = self.fs.clone();
959
960 match self.outstanding_operations.entry(extension_id.clone()) {
961 btree_map::Entry::Occupied(_) => return,
962 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Upgrade),
963 };
964
965 cx.notify();
966 let compile = cx.background_spawn(async move {
967 let mut manifest = ExtensionManifest::load(fs, &path).await?;
968 builder
969 .compile_extension(
970 &path,
971 &mut manifest,
972 CompileExtensionOptions { release: true },
973 )
974 .await
975 });
976
977 cx.spawn(|this, mut cx| async move {
978 let result = compile.await;
979
980 this.update(&mut cx, |this, cx| {
981 this.outstanding_operations.remove(&extension_id);
982 cx.notify();
983 })?;
984
985 if result.is_ok() {
986 this.update(&mut cx, |this, cx| this.reload(Some(extension_id), cx))?
987 .await;
988 }
989
990 result
991 })
992 .detach_and_log_err(cx)
993 }
994
995 /// Updates the set of installed extensions.
996 ///
997 /// First, this unloads any themes, languages, or grammars that are
998 /// no longer in the manifest, or whose files have changed on disk.
999 /// Then it loads any themes, languages, or grammars that are newly
1000 /// added to the manifest, or whose files have changed on disk.
1001 fn extensions_updated(
1002 &mut self,
1003 new_index: ExtensionIndex,
1004 cx: &mut Context<Self>,
1005 ) -> Task<()> {
1006 let old_index = &self.extension_index;
1007
1008 // Determine which extensions need to be loaded and unloaded, based
1009 // on the changes to the manifest and the extensions that we know have been
1010 // modified.
1011 let mut extensions_to_unload = Vec::default();
1012 let mut extensions_to_load = Vec::default();
1013 {
1014 let mut old_keys = old_index.extensions.iter().peekable();
1015 let mut new_keys = new_index.extensions.iter().peekable();
1016 loop {
1017 match (old_keys.peek(), new_keys.peek()) {
1018 (None, None) => break,
1019 (None, Some(_)) => {
1020 extensions_to_load.push(new_keys.next().unwrap().0.clone());
1021 }
1022 (Some(_), None) => {
1023 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
1024 }
1025 (Some((old_key, _)), Some((new_key, _))) => match old_key.cmp(new_key) {
1026 Ordering::Equal => {
1027 let (old_key, old_value) = old_keys.next().unwrap();
1028 let (new_key, new_value) = new_keys.next().unwrap();
1029 if old_value != new_value || self.modified_extensions.contains(old_key)
1030 {
1031 extensions_to_unload.push(old_key.clone());
1032 extensions_to_load.push(new_key.clone());
1033 }
1034 }
1035 Ordering::Less => {
1036 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
1037 }
1038 Ordering::Greater => {
1039 extensions_to_load.push(new_keys.next().unwrap().0.clone());
1040 }
1041 },
1042 }
1043 }
1044 self.modified_extensions.clear();
1045 }
1046
1047 if extensions_to_load.is_empty() && extensions_to_unload.is_empty() {
1048 return Task::ready(());
1049 }
1050
1051 let reload_count = extensions_to_unload
1052 .iter()
1053 .filter(|id| extensions_to_load.contains(id))
1054 .count();
1055
1056 log::info!(
1057 "extensions updated. loading {}, reloading {}, unloading {}",
1058 extensions_to_load.len() - reload_count,
1059 reload_count,
1060 extensions_to_unload.len() - reload_count
1061 );
1062
1063 for extension_id in &extensions_to_load {
1064 if let Some(extension) = new_index.extensions.get(extension_id) {
1065 telemetry::event!(
1066 "Extension Loaded",
1067 extension_id,
1068 version = extension.manifest.version
1069 );
1070 }
1071 }
1072
1073 let themes_to_remove = old_index
1074 .themes
1075 .iter()
1076 .filter_map(|(name, entry)| {
1077 if extensions_to_unload.contains(&entry.extension) {
1078 Some(name.clone().into())
1079 } else {
1080 None
1081 }
1082 })
1083 .collect::<Vec<_>>();
1084 let icon_themes_to_remove = old_index
1085 .icon_themes
1086 .iter()
1087 .filter_map(|(name, entry)| {
1088 if extensions_to_unload.contains(&entry.extension) {
1089 Some(name.clone().into())
1090 } else {
1091 None
1092 }
1093 })
1094 .collect::<Vec<_>>();
1095 let languages_to_remove = old_index
1096 .languages
1097 .iter()
1098 .filter_map(|(name, entry)| {
1099 if extensions_to_unload.contains(&entry.extension) {
1100 Some(name.clone())
1101 } else {
1102 None
1103 }
1104 })
1105 .collect::<Vec<_>>();
1106 let mut grammars_to_remove = Vec::new();
1107 for extension_id in &extensions_to_unload {
1108 let Some(extension) = old_index.extensions.get(extension_id) else {
1109 continue;
1110 };
1111 grammars_to_remove.extend(extension.manifest.grammars.keys().cloned());
1112 for (language_server_name, config) in extension.manifest.language_servers.iter() {
1113 for language in config.languages() {
1114 self.proxy
1115 .remove_language_server(&language, language_server_name);
1116 }
1117 }
1118 }
1119
1120 self.wasm_extensions
1121 .retain(|(extension, _)| !extensions_to_unload.contains(&extension.id));
1122 self.proxy.remove_user_themes(themes_to_remove);
1123 self.proxy.remove_icon_themes(icon_themes_to_remove);
1124 self.proxy
1125 .remove_languages(&languages_to_remove, &grammars_to_remove);
1126
1127 let languages_to_add = new_index
1128 .languages
1129 .iter()
1130 .filter(|(_, entry)| extensions_to_load.contains(&entry.extension))
1131 .collect::<Vec<_>>();
1132 let mut grammars_to_add = Vec::new();
1133 let mut themes_to_add = Vec::new();
1134 let mut icon_themes_to_add = Vec::new();
1135 let mut snippets_to_add = Vec::new();
1136 for extension_id in &extensions_to_load {
1137 let Some(extension) = new_index.extensions.get(extension_id) else {
1138 continue;
1139 };
1140
1141 grammars_to_add.extend(extension.manifest.grammars.keys().map(|grammar_name| {
1142 let mut grammar_path = self.installed_dir.clone();
1143 grammar_path.extend([extension_id.as_ref(), "grammars"]);
1144 grammar_path.push(grammar_name.as_ref());
1145 grammar_path.set_extension("wasm");
1146 (grammar_name.clone(), grammar_path)
1147 }));
1148 themes_to_add.extend(extension.manifest.themes.iter().map(|theme_path| {
1149 let mut path = self.installed_dir.clone();
1150 path.extend([Path::new(extension_id.as_ref()), theme_path.as_path()]);
1151 path
1152 }));
1153 icon_themes_to_add.extend(extension.manifest.icon_themes.iter().map(
1154 |icon_theme_path| {
1155 let mut path = self.installed_dir.clone();
1156 path.extend([Path::new(extension_id.as_ref()), icon_theme_path.as_path()]);
1157
1158 let mut icons_root_path = self.installed_dir.clone();
1159 icons_root_path.extend([Path::new(extension_id.as_ref())]);
1160
1161 (path, icons_root_path)
1162 },
1163 ));
1164 snippets_to_add.extend(extension.manifest.snippets.iter().map(|snippets_path| {
1165 let mut path = self.installed_dir.clone();
1166 path.extend([Path::new(extension_id.as_ref()), snippets_path.as_path()]);
1167 path
1168 }));
1169 }
1170
1171 self.proxy.register_grammars(grammars_to_add);
1172
1173 for (language_name, language) in languages_to_add {
1174 let mut language_path = self.installed_dir.clone();
1175 language_path.extend([
1176 Path::new(language.extension.as_ref()),
1177 language.path.as_path(),
1178 ]);
1179 self.proxy.register_language(
1180 language_name.clone(),
1181 language.grammar.clone(),
1182 language.matcher.clone(),
1183 language.hidden,
1184 Arc::new(move || {
1185 let config = std::fs::read_to_string(language_path.join("config.toml"))?;
1186 let config: LanguageConfig = ::toml::from_str(&config)?;
1187 let queries = load_plugin_queries(&language_path);
1188 let context_provider =
1189 std::fs::read_to_string(language_path.join("tasks.json"))
1190 .ok()
1191 .and_then(|contents| {
1192 let definitions =
1193 serde_json_lenient::from_str(&contents).log_err()?;
1194 Some(Arc::new(ContextProviderWithTasks::new(definitions)) as Arc<_>)
1195 });
1196
1197 Ok(LoadedLanguage {
1198 config,
1199 queries,
1200 context_provider,
1201 toolchain_provider: None,
1202 })
1203 }),
1204 );
1205 }
1206
1207 let fs = self.fs.clone();
1208 let wasm_host = self.wasm_host.clone();
1209 let root_dir = self.installed_dir.clone();
1210 let proxy = self.proxy.clone();
1211 let extension_entries = extensions_to_load
1212 .iter()
1213 .filter_map(|name| new_index.extensions.get(name).cloned())
1214 .collect::<Vec<_>>();
1215
1216 self.extension_index = new_index;
1217 cx.notify();
1218 cx.emit(Event::ExtensionsUpdated);
1219
1220 cx.spawn(|this, mut cx| async move {
1221 cx.background_spawn({
1222 let fs = fs.clone();
1223 async move {
1224 for theme_path in themes_to_add.into_iter() {
1225 proxy
1226 .load_user_theme(theme_path, fs.clone())
1227 .await
1228 .log_err();
1229 }
1230
1231 for (icon_theme_path, icons_root_path) in icon_themes_to_add.into_iter() {
1232 proxy
1233 .load_icon_theme(icon_theme_path, icons_root_path, fs.clone())
1234 .await
1235 .log_err();
1236 }
1237
1238 for snippets_path in &snippets_to_add {
1239 if let Some(snippets_contents) = fs.load(snippets_path).await.log_err() {
1240 proxy
1241 .register_snippet(snippets_path, &snippets_contents)
1242 .log_err();
1243 }
1244 }
1245 }
1246 })
1247 .await;
1248
1249 let mut wasm_extensions = Vec::new();
1250 for extension in extension_entries {
1251 if extension.manifest.lib.kind.is_none() {
1252 continue;
1253 };
1254
1255 let extension_path = root_dir.join(extension.manifest.id.as_ref());
1256 let wasm_extension = WasmExtension::load(
1257 extension_path,
1258 &extension.manifest,
1259 wasm_host.clone(),
1260 &cx,
1261 )
1262 .await;
1263
1264 if let Some(wasm_extension) = wasm_extension.log_err() {
1265 wasm_extensions.push((extension.manifest.clone(), wasm_extension));
1266 } else {
1267 this.update(&mut cx, |_, cx| {
1268 cx.emit(Event::ExtensionFailedToLoad(extension.manifest.id.clone()))
1269 })
1270 .ok();
1271 }
1272 }
1273
1274 this.update(&mut cx, |this, cx| {
1275 this.reload_complete_senders.clear();
1276
1277 for (manifest, wasm_extension) in &wasm_extensions {
1278 let extension = Arc::new(wasm_extension.clone());
1279
1280 for (language_server_id, language_server_config) in &manifest.language_servers {
1281 for language in language_server_config.languages() {
1282 this.proxy.register_language_server(
1283 extension.clone(),
1284 language_server_id.clone(),
1285 language.clone(),
1286 );
1287 }
1288 }
1289
1290 for (slash_command_name, slash_command) in &manifest.slash_commands {
1291 this.proxy.register_slash_command(
1292 extension.clone(),
1293 extension::SlashCommand {
1294 name: slash_command_name.to_string(),
1295 description: slash_command.description.to_string(),
1296 // We don't currently expose this as a configurable option, as it currently drives
1297 // the `menu_text` on the `SlashCommand` trait, which is not used for slash commands
1298 // defined in extensions, as they are not able to be added to the menu.
1299 tooltip_text: String::new(),
1300 requires_argument: slash_command.requires_argument,
1301 },
1302 );
1303 }
1304
1305 for (id, _context_server_entry) in &manifest.context_servers {
1306 this.proxy
1307 .register_context_server(extension.clone(), id.clone(), cx);
1308 }
1309
1310 for (provider_id, _provider) in &manifest.indexed_docs_providers {
1311 this.proxy
1312 .register_indexed_docs_provider(extension.clone(), provider_id.clone());
1313 }
1314 }
1315
1316 this.wasm_extensions.extend(wasm_extensions);
1317 this.proxy.set_extensions_loaded();
1318 this.proxy.reload_current_theme(cx);
1319 this.proxy.reload_current_icon_theme(cx);
1320 })
1321 .ok();
1322 })
1323 }
1324
1325 fn rebuild_extension_index(&self, cx: &mut Context<Self>) -> Task<ExtensionIndex> {
1326 let fs = self.fs.clone();
1327 let work_dir = self.wasm_host.work_dir.clone();
1328 let extensions_dir = self.installed_dir.clone();
1329 let index_path = self.index_path.clone();
1330 let proxy = self.proxy.clone();
1331 cx.background_spawn(async move {
1332 let start_time = Instant::now();
1333 let mut index = ExtensionIndex::default();
1334
1335 fs.create_dir(&work_dir).await.log_err();
1336 fs.create_dir(&extensions_dir).await.log_err();
1337
1338 let extension_paths = fs.read_dir(&extensions_dir).await;
1339 if let Ok(mut extension_paths) = extension_paths {
1340 while let Some(extension_dir) = extension_paths.next().await {
1341 let Ok(extension_dir) = extension_dir else {
1342 continue;
1343 };
1344
1345 if extension_dir
1346 .file_name()
1347 .map_or(false, |file_name| file_name == ".DS_Store")
1348 {
1349 continue;
1350 }
1351
1352 Self::add_extension_to_index(
1353 fs.clone(),
1354 extension_dir,
1355 &mut index,
1356 proxy.clone(),
1357 )
1358 .await
1359 .log_err();
1360 }
1361 }
1362
1363 if let Ok(index_json) = serde_json::to_string_pretty(&index) {
1364 fs.save(&index_path, &index_json.as_str().into(), Default::default())
1365 .await
1366 .context("failed to save extension index")
1367 .log_err();
1368 }
1369
1370 log::info!("rebuilt extension index in {:?}", start_time.elapsed());
1371 index
1372 })
1373 }
1374
1375 async fn add_extension_to_index(
1376 fs: Arc<dyn Fs>,
1377 extension_dir: PathBuf,
1378 index: &mut ExtensionIndex,
1379 proxy: Arc<ExtensionHostProxy>,
1380 ) -> Result<()> {
1381 let mut extension_manifest = ExtensionManifest::load(fs.clone(), &extension_dir).await?;
1382 let extension_id = extension_manifest.id.clone();
1383
1384 // TODO: distinguish dev extensions more explicitly, by the absence
1385 // of a checksum file that we'll create when downloading normal extensions.
1386 let is_dev = fs
1387 .metadata(&extension_dir)
1388 .await?
1389 .ok_or_else(|| anyhow!("directory does not exist"))?
1390 .is_symlink;
1391
1392 if let Ok(mut language_paths) = fs.read_dir(&extension_dir.join("languages")).await {
1393 while let Some(language_path) = language_paths.next().await {
1394 let language_path = language_path?;
1395 let Ok(relative_path) = language_path.strip_prefix(&extension_dir) else {
1396 continue;
1397 };
1398 let Ok(Some(fs_metadata)) = fs.metadata(&language_path).await else {
1399 continue;
1400 };
1401 if !fs_metadata.is_dir {
1402 continue;
1403 }
1404 let config = fs.load(&language_path.join("config.toml")).await?;
1405 let config = ::toml::from_str::<LanguageConfig>(&config)?;
1406
1407 let relative_path = relative_path.to_path_buf();
1408 if !extension_manifest.languages.contains(&relative_path) {
1409 extension_manifest.languages.push(relative_path.clone());
1410 }
1411
1412 index.languages.insert(
1413 config.name.clone(),
1414 ExtensionIndexLanguageEntry {
1415 extension: extension_id.clone(),
1416 path: relative_path,
1417 matcher: config.matcher,
1418 hidden: config.hidden,
1419 grammar: config.grammar,
1420 },
1421 );
1422 }
1423 }
1424
1425 if let Ok(mut theme_paths) = fs.read_dir(&extension_dir.join("themes")).await {
1426 while let Some(theme_path) = theme_paths.next().await {
1427 let theme_path = theme_path?;
1428 let Ok(relative_path) = theme_path.strip_prefix(&extension_dir) else {
1429 continue;
1430 };
1431
1432 let Some(theme_families) = proxy
1433 .list_theme_names(theme_path.clone(), fs.clone())
1434 .await
1435 .log_err()
1436 else {
1437 continue;
1438 };
1439
1440 let relative_path = relative_path.to_path_buf();
1441 if !extension_manifest.themes.contains(&relative_path) {
1442 extension_manifest.themes.push(relative_path.clone());
1443 }
1444
1445 for theme_name in theme_families {
1446 index.themes.insert(
1447 theme_name.into(),
1448 ExtensionIndexThemeEntry {
1449 extension: extension_id.clone(),
1450 path: relative_path.clone(),
1451 },
1452 );
1453 }
1454 }
1455 }
1456
1457 if let Ok(mut icon_theme_paths) = fs.read_dir(&extension_dir.join("icon_themes")).await {
1458 while let Some(icon_theme_path) = icon_theme_paths.next().await {
1459 let icon_theme_path = icon_theme_path?;
1460 let Ok(relative_path) = icon_theme_path.strip_prefix(&extension_dir) else {
1461 continue;
1462 };
1463
1464 let Some(icon_theme_families) = proxy
1465 .list_icon_theme_names(icon_theme_path.clone(), fs.clone())
1466 .await
1467 .log_err()
1468 else {
1469 continue;
1470 };
1471
1472 let relative_path = relative_path.to_path_buf();
1473 if !extension_manifest.icon_themes.contains(&relative_path) {
1474 extension_manifest.icon_themes.push(relative_path.clone());
1475 }
1476
1477 for icon_theme_name in icon_theme_families {
1478 index.icon_themes.insert(
1479 icon_theme_name.into(),
1480 ExtensionIndexIconThemeEntry {
1481 extension: extension_id.clone(),
1482 path: relative_path.clone(),
1483 },
1484 );
1485 }
1486 }
1487 }
1488
1489 let extension_wasm_path = extension_dir.join("extension.wasm");
1490 if fs.is_file(&extension_wasm_path).await {
1491 extension_manifest
1492 .lib
1493 .kind
1494 .get_or_insert(ExtensionLibraryKind::Rust);
1495 }
1496
1497 index.extensions.insert(
1498 extension_id.clone(),
1499 ExtensionIndexEntry {
1500 dev: is_dev,
1501 manifest: Arc::new(extension_manifest),
1502 },
1503 );
1504
1505 Ok(())
1506 }
1507
1508 fn prepare_remote_extension(
1509 &mut self,
1510 extension_id: Arc<str>,
1511 is_dev: bool,
1512 tmp_dir: PathBuf,
1513 cx: &mut Context<Self>,
1514 ) -> Task<Result<()>> {
1515 let src_dir = self.extensions_dir().join(extension_id.as_ref());
1516 let Some(loaded_extension) = self.extension_index.extensions.get(&extension_id).cloned()
1517 else {
1518 return Task::ready(Err(anyhow!("extension no longer installed")));
1519 };
1520 let fs = self.fs.clone();
1521 cx.background_spawn(async move {
1522 const EXTENSION_TOML: &str = "extension.toml";
1523 const EXTENSION_WASM: &str = "extension.wasm";
1524 const CONFIG_TOML: &str = "config.toml";
1525
1526 if is_dev {
1527 let manifest_toml = toml::to_string(&loaded_extension.manifest)?;
1528 fs.save(
1529 &tmp_dir.join(EXTENSION_TOML),
1530 &Rope::from(manifest_toml),
1531 language::LineEnding::Unix,
1532 )
1533 .await?;
1534 } else {
1535 fs.copy_file(
1536 &src_dir.join(EXTENSION_TOML),
1537 &tmp_dir.join(EXTENSION_TOML),
1538 fs::CopyOptions::default(),
1539 )
1540 .await?
1541 }
1542
1543 if fs.is_file(&src_dir.join(EXTENSION_WASM)).await {
1544 fs.copy_file(
1545 &src_dir.join(EXTENSION_WASM),
1546 &tmp_dir.join(EXTENSION_WASM),
1547 fs::CopyOptions::default(),
1548 )
1549 .await?
1550 }
1551
1552 for language_path in loaded_extension.manifest.languages.iter() {
1553 if fs
1554 .is_file(&src_dir.join(language_path).join(CONFIG_TOML))
1555 .await
1556 {
1557 fs.create_dir(&tmp_dir.join(language_path)).await?;
1558 fs.copy_file(
1559 &src_dir.join(language_path).join(CONFIG_TOML),
1560 &tmp_dir.join(language_path).join(CONFIG_TOML),
1561 fs::CopyOptions::default(),
1562 )
1563 .await?
1564 }
1565 }
1566
1567 Ok(())
1568 })
1569 }
1570
1571 async fn sync_extensions_over_ssh(
1572 this: &WeakEntity<Self>,
1573 client: WeakEntity<SshRemoteClient>,
1574 cx: &mut AsyncApp,
1575 ) -> Result<()> {
1576 let extensions = this.update(cx, |this, _cx| {
1577 this.extension_index
1578 .extensions
1579 .iter()
1580 .filter_map(|(id, entry)| {
1581 if entry.manifest.language_servers.is_empty() {
1582 return None;
1583 }
1584 Some(proto::Extension {
1585 id: id.to_string(),
1586 version: entry.manifest.version.to_string(),
1587 dev: entry.dev,
1588 })
1589 })
1590 .collect()
1591 })?;
1592
1593 let response = client
1594 .update(cx, |client, _cx| {
1595 client
1596 .proto_client()
1597 .request(proto::SyncExtensions { extensions })
1598 })?
1599 .await?;
1600
1601 for missing_extension in response.missing_extensions.into_iter() {
1602 let tmp_dir = tempfile::tempdir()?;
1603 this.update(cx, |this, cx| {
1604 this.prepare_remote_extension(
1605 missing_extension.id.clone().into(),
1606 missing_extension.dev,
1607 tmp_dir.path().to_owned(),
1608 cx,
1609 )
1610 })?
1611 .await?;
1612 let dest_dir = PathBuf::from(&response.tmp_dir).join(missing_extension.clone().id);
1613 log::info!("Uploading extension {}", missing_extension.clone().id);
1614
1615 client
1616 .update(cx, |client, cx| {
1617 client.upload_directory(tmp_dir.path().to_owned(), dest_dir.clone(), cx)
1618 })?
1619 .await?;
1620
1621 log::info!(
1622 "Finished uploading extension {}",
1623 missing_extension.clone().id
1624 );
1625
1626 client
1627 .update(cx, |client, _cx| {
1628 client.proto_client().request(proto::InstallExtension {
1629 tmp_dir: dest_dir.to_string_lossy().to_string(),
1630 extension: Some(missing_extension),
1631 })
1632 })?
1633 .await?;
1634 }
1635
1636 anyhow::Ok(())
1637 }
1638
1639 pub async fn update_ssh_clients(this: &WeakEntity<Self>, cx: &mut AsyncApp) -> Result<()> {
1640 let clients = this.update(cx, |this, _cx| {
1641 this.ssh_clients.retain(|_k, v| v.upgrade().is_some());
1642 this.ssh_clients.values().cloned().collect::<Vec<_>>()
1643 })?;
1644
1645 for client in clients {
1646 Self::sync_extensions_over_ssh(&this, client, cx)
1647 .await
1648 .log_err();
1649 }
1650
1651 anyhow::Ok(())
1652 }
1653
1654 pub fn register_ssh_client(&mut self, client: Entity<SshRemoteClient>, cx: &mut Context<Self>) {
1655 let connection_options = client.read(cx).connection_options();
1656 if self.ssh_clients.contains_key(&connection_options.ssh_url()) {
1657 return;
1658 }
1659
1660 self.ssh_clients
1661 .insert(connection_options.ssh_url(), client.downgrade());
1662 self.ssh_registered_tx.unbounded_send(()).ok();
1663 }
1664}
1665
1666fn load_plugin_queries(root_path: &Path) -> LanguageQueries {
1667 let mut result = LanguageQueries::default();
1668 if let Some(entries) = std::fs::read_dir(root_path).log_err() {
1669 for entry in entries {
1670 let Some(entry) = entry.log_err() else {
1671 continue;
1672 };
1673 let path = entry.path();
1674 if let Some(remainder) = path.strip_prefix(root_path).ok().and_then(|p| p.to_str()) {
1675 if !remainder.ends_with(".scm") {
1676 continue;
1677 }
1678 for (name, query) in QUERY_FILENAME_PREFIXES {
1679 if remainder.starts_with(name) {
1680 if let Some(contents) = std::fs::read_to_string(&path).log_err() {
1681 match query(&mut result) {
1682 None => *query(&mut result) = Some(contents.into()),
1683 Some(r) => r.to_mut().push_str(contents.as_ref()),
1684 }
1685 }
1686 break;
1687 }
1688 }
1689 }
1690 }
1691 }
1692 result
1693}