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, ExtensionEvents, ExtensionGrammarProxy, ExtensionHostProxy,
18 ExtensionIndexedDocsProviderProxy, ExtensionLanguageProxy, ExtensionLanguageServerProxy,
19 ExtensionSlashCommandProxy, ExtensionSnippetProxy, ExtensionThemeProxy,
20};
21use fs::{Fs, RemoveOptions};
22use futures::{
23 channel::{
24 mpsc::{unbounded, UnboundedSender},
25 oneshot,
26 },
27 io::BufReader,
28 select_biased, AsyncReadExt as _, Future, FutureExt as _, StreamExt as _,
29};
30use gpui::{
31 actions, App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, Global, Task,
32 WeakEntity,
33};
34use http_client::{AsyncBody, HttpClient, HttpClientWithUrl};
35use language::{
36 LanguageConfig, LanguageMatcher, LanguageName, LanguageQueries, LoadedLanguage, Rope,
37 QUERY_FILENAME_PREFIXES,
38};
39use node_runtime::NodeRuntime;
40use project::ContextProviderWithTasks;
41use release_channel::ReleaseChannel;
42use remote::SshRemoteClient;
43use semantic_version::SemanticVersion;
44use serde::{Deserialize, Serialize};
45use settings::Settings;
46use std::ops::RangeInclusive;
47use std::str::FromStr;
48use std::{
49 cmp::Ordering,
50 path::{self, Path, PathBuf},
51 sync::Arc,
52 time::{Duration, Instant},
53};
54use url::Url;
55use util::ResultExt;
56use wasm_host::{
57 wit::{is_supported_wasm_api_version, wasm_api_version_range},
58 WasmExtension, WasmHost,
59};
60
61pub use extension::{
62 ExtensionLibraryKind, GrammarManifestEntry, OldExtensionManifest, SchemaVersion,
63};
64pub use extension_settings::ExtensionSettings;
65
66pub const RELOAD_DEBOUNCE_DURATION: Duration = Duration::from_millis(200);
67const FS_WATCH_LATENCY: Duration = Duration::from_millis(100);
68
69/// The current extension [`SchemaVersion`] supported by Zed.
70const CURRENT_SCHEMA_VERSION: SchemaVersion = SchemaVersion(1);
71
72/// Returns the [`SchemaVersion`] range that is compatible with this version of Zed.
73pub fn schema_version_range() -> RangeInclusive<SchemaVersion> {
74 SchemaVersion::ZERO..=CURRENT_SCHEMA_VERSION
75}
76
77/// Returns whether the given extension version is compatible with this version of Zed.
78pub fn is_version_compatible(
79 release_channel: ReleaseChannel,
80 extension_version: &ExtensionMetadata,
81) -> bool {
82 let schema_version = extension_version.manifest.schema_version.unwrap_or(0);
83 if CURRENT_SCHEMA_VERSION.0 < schema_version {
84 return false;
85 }
86
87 if let Some(wasm_api_version) = extension_version
88 .manifest
89 .wasm_api_version
90 .as_ref()
91 .and_then(|wasm_api_version| SemanticVersion::from_str(wasm_api_version).ok())
92 {
93 if !is_supported_wasm_api_version(release_channel, wasm_api_version) {
94 return false;
95 }
96 }
97
98 true
99}
100
101pub struct ExtensionStore {
102 pub proxy: Arc<ExtensionHostProxy>,
103 pub builder: Arc<ExtensionBuilder>,
104 pub extension_index: ExtensionIndex,
105 pub fs: Arc<dyn Fs>,
106 pub http_client: Arc<HttpClientWithUrl>,
107 pub telemetry: Option<Arc<Telemetry>>,
108 pub reload_tx: UnboundedSender<Option<Arc<str>>>,
109 pub reload_complete_senders: Vec<oneshot::Sender<()>>,
110 pub installed_dir: PathBuf,
111 pub outstanding_operations: BTreeMap<Arc<str>, ExtensionOperation>,
112 pub index_path: PathBuf,
113 pub modified_extensions: HashSet<Arc<str>>,
114 pub wasm_host: Arc<WasmHost>,
115 pub wasm_extensions: Vec<(Arc<ExtensionManifest>, WasmExtension)>,
116 pub tasks: Vec<Task<()>>,
117 pub ssh_clients: HashMap<String, WeakEntity<SshRemoteClient>>,
118 pub ssh_registered_tx: UnboundedSender<()>,
119}
120
121#[derive(Clone, Copy)]
122pub enum ExtensionOperation {
123 Upgrade,
124 Install,
125 Remove,
126}
127
128#[derive(Clone)]
129pub enum Event {
130 ExtensionsUpdated,
131 StartedReloading,
132 ExtensionInstalled(Arc<str>),
133 ExtensionFailedToLoad(Arc<str>),
134}
135
136impl EventEmitter<Event> for ExtensionStore {}
137
138struct GlobalExtensionStore(Entity<ExtensionStore>);
139
140impl Global for GlobalExtensionStore {}
141
142#[derive(Debug, Deserialize, Serialize, Default, PartialEq, Eq)]
143pub struct ExtensionIndex {
144 pub extensions: BTreeMap<Arc<str>, ExtensionIndexEntry>,
145 pub themes: BTreeMap<Arc<str>, ExtensionIndexThemeEntry>,
146 #[serde(default)]
147 pub icon_themes: BTreeMap<Arc<str>, ExtensionIndexIconThemeEntry>,
148 pub languages: BTreeMap<LanguageName, ExtensionIndexLanguageEntry>,
149}
150
151#[derive(Clone, PartialEq, Eq, Debug, Deserialize, Serialize)]
152pub struct ExtensionIndexEntry {
153 pub manifest: Arc<ExtensionManifest>,
154 pub dev: bool,
155}
156
157#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
158pub struct ExtensionIndexThemeEntry {
159 pub extension: Arc<str>,
160 pub path: PathBuf,
161}
162
163#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
164pub struct ExtensionIndexIconThemeEntry {
165 pub extension: Arc<str>,
166 pub path: PathBuf,
167}
168
169#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
170pub struct ExtensionIndexLanguageEntry {
171 pub extension: Arc<str>,
172 pub path: PathBuf,
173 pub matcher: LanguageMatcher,
174 pub hidden: bool,
175 pub grammar: Option<Arc<str>>,
176}
177
178actions!(zed, [ReloadExtensions]);
179
180pub fn init(
181 extension_host_proxy: Arc<ExtensionHostProxy>,
182 fs: Arc<dyn Fs>,
183 client: Arc<Client>,
184 node_runtime: NodeRuntime,
185 cx: &mut App,
186) {
187 ExtensionSettings::register(cx);
188
189 let store = cx.new(move |cx| {
190 ExtensionStore::new(
191 paths::extensions_dir().clone(),
192 None,
193 extension_host_proxy,
194 fs,
195 client.http_client().clone(),
196 client.http_client().clone(),
197 Some(client.telemetry().clone()),
198 node_runtime,
199 cx,
200 )
201 });
202
203 cx.on_action(|_: &ReloadExtensions, cx| {
204 let store = cx.global::<GlobalExtensionStore>().0.clone();
205 store.update(cx, |store, cx| drop(store.reload(None, cx)));
206 });
207
208 cx.set_global(GlobalExtensionStore(store));
209}
210
211impl ExtensionStore {
212 pub fn try_global(cx: &App) -> Option<Entity<Self>> {
213 cx.try_global::<GlobalExtensionStore>()
214 .map(|store| store.0.clone())
215 }
216
217 pub fn global(cx: &App) -> Entity<Self> {
218 cx.global::<GlobalExtensionStore>().0.clone()
219 }
220
221 pub fn new(
222 extensions_dir: PathBuf,
223 build_dir: Option<PathBuf>,
224 extension_host_proxy: Arc<ExtensionHostProxy>,
225 fs: Arc<dyn Fs>,
226 http_client: Arc<HttpClientWithUrl>,
227 builder_client: Arc<dyn HttpClient>,
228 telemetry: Option<Arc<Telemetry>>,
229 node_runtime: NodeRuntime,
230 cx: &mut Context<Self>,
231 ) -> Self {
232 let work_dir = extensions_dir.join("work");
233 let build_dir = build_dir.unwrap_or_else(|| extensions_dir.join("build"));
234 let installed_dir = extensions_dir.join("installed");
235 let index_path = extensions_dir.join("index.json");
236
237 let (reload_tx, mut reload_rx) = unbounded();
238 let (connection_registered_tx, mut connection_registered_rx) = unbounded();
239 let mut this = Self {
240 proxy: extension_host_proxy.clone(),
241 extension_index: Default::default(),
242 installed_dir,
243 index_path,
244 builder: Arc::new(ExtensionBuilder::new(builder_client, build_dir)),
245 outstanding_operations: Default::default(),
246 modified_extensions: Default::default(),
247 reload_complete_senders: Vec::new(),
248 wasm_host: WasmHost::new(
249 fs.clone(),
250 http_client.clone(),
251 node_runtime,
252 extension_host_proxy,
253 work_dir,
254 cx,
255 ),
256 wasm_extensions: Vec::new(),
257 fs,
258 http_client,
259 telemetry,
260 reload_tx,
261 tasks: Vec::new(),
262
263 ssh_clients: HashMap::default(),
264 ssh_registered_tx: connection_registered_tx,
265 };
266
267 // The extensions store maintains an index file, which contains a complete
268 // list of the installed extensions and the resources that they provide.
269 // This index is loaded synchronously on startup.
270 let (index_content, index_metadata, extensions_metadata) =
271 cx.background_executor().block(async {
272 futures::join!(
273 this.fs.load(&this.index_path),
274 this.fs.metadata(&this.index_path),
275 this.fs.metadata(&this.installed_dir),
276 )
277 });
278
279 // Normally, there is no need to rebuild the index. But if the index file
280 // is invalid or is out-of-date according to the filesystem mtimes, then
281 // it must be asynchronously rebuilt.
282 let mut extension_index = ExtensionIndex::default();
283 let mut extension_index_needs_rebuild = true;
284 if let Ok(index_content) = index_content {
285 if let Some(index) = serde_json::from_str(&index_content).log_err() {
286 extension_index = index;
287 if let (Ok(Some(index_metadata)), Ok(Some(extensions_metadata))) =
288 (index_metadata, extensions_metadata)
289 {
290 if index_metadata
291 .mtime
292 .bad_is_greater_than(extensions_metadata.mtime)
293 {
294 extension_index_needs_rebuild = false;
295 }
296 }
297 }
298 }
299
300 // Immediately load all of the extensions in the initial manifest. If the
301 // index needs to be rebuild, then enqueue
302 let load_initial_extensions = this.extensions_updated(extension_index, cx);
303 let mut reload_future = None;
304 if extension_index_needs_rebuild {
305 reload_future = Some(this.reload(None, cx));
306 }
307
308 cx.spawn(|this, mut cx| async move {
309 if let Some(future) = reload_future {
310 future.await;
311 }
312 this.update(&mut cx, |this, cx| this.auto_install_extensions(cx))
313 .ok();
314 this.update(&mut cx, |this, cx| this.check_for_updates(cx))
315 .ok();
316 })
317 .detach();
318
319 // Perform all extension loading in a single task to ensure that we
320 // never attempt to simultaneously load/unload extensions from multiple
321 // parallel tasks.
322 this.tasks.push(cx.spawn(|this, mut cx| {
323 async move {
324 load_initial_extensions.await;
325
326 let mut index_changed = false;
327 let mut debounce_timer = cx.background_spawn(futures::future::pending()).fuse();
328 loop {
329 select_biased! {
330 _ = debounce_timer => {
331 if index_changed {
332 let index = this
333 .update(&mut cx, |this, cx| this.rebuild_extension_index(cx))?
334 .await;
335 this.update(&mut cx, |this, cx| this.extensions_updated(index, cx))?
336 .await;
337 index_changed = false;
338 }
339
340 Self::update_ssh_clients(&this, &mut cx).await?;
341 }
342 _ = connection_registered_rx.next() => {
343 debounce_timer = cx
344 .background_executor()
345 .timer(RELOAD_DEBOUNCE_DURATION)
346 .fuse();
347 }
348 extension_id = reload_rx.next() => {
349 let Some(extension_id) = extension_id else { break; };
350 this.update(&mut cx, |this, _| {
351 this.modified_extensions.extend(extension_id);
352 })?;
353 index_changed = true;
354 debounce_timer = cx
355 .background_executor()
356 .timer(RELOAD_DEBOUNCE_DURATION)
357 .fuse();
358 }
359 }
360 }
361
362 anyhow::Ok(())
363 }
364 .map(drop)
365 }));
366
367 // Watch the installed extensions directory for changes. Whenever changes are
368 // detected, rebuild the extension index, and load/unload any extensions that
369 // have been added, removed, or modified.
370 this.tasks.push(cx.background_spawn({
371 let fs = this.fs.clone();
372 let reload_tx = this.reload_tx.clone();
373 let installed_dir = this.installed_dir.clone();
374 async move {
375 let (mut paths, _) = fs.watch(&installed_dir, FS_WATCH_LATENCY).await;
376 while let Some(events) = paths.next().await {
377 for event in events {
378 let Ok(event_path) = event.path.strip_prefix(&installed_dir) else {
379 continue;
380 };
381
382 if let Some(path::Component::Normal(extension_dir_name)) =
383 event_path.components().next()
384 {
385 if let Some(extension_id) = extension_dir_name.to_str() {
386 reload_tx.unbounded_send(Some(extension_id.into())).ok();
387 }
388 }
389 }
390 }
391 }
392 }));
393
394 this
395 }
396
397 pub fn reload(
398 &mut self,
399 modified_extension: Option<Arc<str>>,
400 cx: &mut Context<Self>,
401 ) -> impl Future<Output = ()> {
402 let (tx, rx) = oneshot::channel();
403 self.reload_complete_senders.push(tx);
404 self.reload_tx
405 .unbounded_send(modified_extension)
406 .expect("reload task exited");
407 cx.emit(Event::StartedReloading);
408
409 async move {
410 rx.await.ok();
411 }
412 }
413
414 fn extensions_dir(&self) -> PathBuf {
415 self.installed_dir.clone()
416 }
417
418 pub fn outstanding_operations(&self) -> &BTreeMap<Arc<str>, ExtensionOperation> {
419 &self.outstanding_operations
420 }
421
422 pub fn installed_extensions(&self) -> &BTreeMap<Arc<str>, ExtensionIndexEntry> {
423 &self.extension_index.extensions
424 }
425
426 pub fn dev_extensions(&self) -> impl Iterator<Item = &Arc<ExtensionManifest>> {
427 self.extension_index
428 .extensions
429 .values()
430 .filter_map(|extension| extension.dev.then_some(&extension.manifest))
431 }
432
433 /// Returns the names of themes provided by extensions.
434 pub fn extension_themes<'a>(
435 &'a self,
436 extension_id: &'a str,
437 ) -> impl Iterator<Item = &'a Arc<str>> {
438 self.extension_index
439 .themes
440 .iter()
441 .filter_map(|(name, theme)| theme.extension.as_ref().eq(extension_id).then_some(name))
442 }
443
444 /// Returns the path to the theme file within an extension, if there is an
445 /// extension that provides the theme.
446 pub fn path_to_extension_theme(&self, theme_name: &str) -> Option<PathBuf> {
447 let entry = self.extension_index.themes.get(theme_name)?;
448
449 Some(
450 self.extensions_dir()
451 .join(entry.extension.as_ref())
452 .join(&entry.path),
453 )
454 }
455
456 /// Returns the names of icon themes provided by extensions.
457 pub fn extension_icon_themes<'a>(
458 &'a self,
459 extension_id: &'a str,
460 ) -> impl Iterator<Item = &'a Arc<str>> {
461 self.extension_index
462 .icon_themes
463 .iter()
464 .filter_map(|(name, icon_theme)| {
465 icon_theme
466 .extension
467 .as_ref()
468 .eq(extension_id)
469 .then_some(name)
470 })
471 }
472
473 /// Returns the path to the icon theme file within an extension, if there is
474 /// an extension that provides the icon theme.
475 pub fn path_to_extension_icon_theme(
476 &self,
477 icon_theme_name: &str,
478 ) -> Option<(PathBuf, PathBuf)> {
479 let entry = self.extension_index.icon_themes.get(icon_theme_name)?;
480
481 let icon_theme_path = self
482 .extensions_dir()
483 .join(entry.extension.as_ref())
484 .join(&entry.path);
485 let icons_root_path = self.extensions_dir().join(entry.extension.as_ref());
486
487 Some((icon_theme_path, icons_root_path))
488 }
489
490 pub fn fetch_extensions(
491 &self,
492 search: Option<&str>,
493 provides_filter: Option<&BTreeSet<ExtensionProvides>>,
494 cx: &mut Context<Self>,
495 ) -> Task<Result<Vec<ExtensionMetadata>>> {
496 let version = CURRENT_SCHEMA_VERSION.to_string();
497 let mut query = vec![("max_schema_version", version.as_str())];
498 if let Some(search) = search {
499 query.push(("filter", search));
500 }
501
502 let provides_filter = provides_filter.map(|provides_filter| {
503 provides_filter
504 .iter()
505 .map(|provides| provides.to_string())
506 .collect::<Vec<_>>()
507 .join(",")
508 });
509 if let Some(provides_filter) = provides_filter.as_deref() {
510 query.push(("provides", provides_filter));
511 }
512
513 self.fetch_extensions_from_api("/extensions", &query, cx)
514 }
515
516 pub fn fetch_extensions_with_update_available(
517 &mut self,
518 cx: &mut Context<Self>,
519 ) -> Task<Result<Vec<ExtensionMetadata>>> {
520 let schema_versions = schema_version_range();
521 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
522 let extension_settings = ExtensionSettings::get_global(cx);
523 let extension_ids = self
524 .extension_index
525 .extensions
526 .iter()
527 .filter(|(id, entry)| !entry.dev && extension_settings.should_auto_update(id))
528 .map(|(id, _)| id.as_ref())
529 .collect::<Vec<_>>()
530 .join(",");
531 let task = self.fetch_extensions_from_api(
532 "/extensions/updates",
533 &[
534 ("min_schema_version", &schema_versions.start().to_string()),
535 ("max_schema_version", &schema_versions.end().to_string()),
536 (
537 "min_wasm_api_version",
538 &wasm_api_versions.start().to_string(),
539 ),
540 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
541 ("ids", &extension_ids),
542 ],
543 cx,
544 );
545 cx.spawn(move |this, mut cx| async move {
546 let extensions = task.await?;
547 this.update(&mut cx, |this, _cx| {
548 extensions
549 .into_iter()
550 .filter(|extension| {
551 this.extension_index.extensions.get(&extension.id).map_or(
552 true,
553 |installed_extension| {
554 installed_extension.manifest.version != extension.manifest.version
555 },
556 )
557 })
558 .collect()
559 })
560 })
561 }
562
563 pub fn fetch_extension_versions(
564 &self,
565 extension_id: &str,
566 cx: &mut Context<Self>,
567 ) -> Task<Result<Vec<ExtensionMetadata>>> {
568 self.fetch_extensions_from_api(&format!("/extensions/{extension_id}"), &[], cx)
569 }
570
571 /// Installs any extensions that should be included with Zed by default.
572 ///
573 /// This can be used to make certain functionality provided by extensions
574 /// available out-of-the-box.
575 pub fn auto_install_extensions(&mut self, cx: &mut Context<Self>) {
576 let extension_settings = ExtensionSettings::get_global(cx);
577
578 let extensions_to_install = extension_settings
579 .auto_install_extensions
580 .keys()
581 .filter(|extension_id| extension_settings.should_auto_install(extension_id))
582 .filter(|extension_id| {
583 let is_already_installed = self
584 .extension_index
585 .extensions
586 .contains_key(extension_id.as_ref());
587 !is_already_installed
588 })
589 .cloned()
590 .collect::<Vec<_>>();
591
592 cx.spawn(move |this, mut cx| async move {
593 for extension_id in extensions_to_install {
594 this.update(&mut cx, |this, cx| {
595 this.install_latest_extension(extension_id.clone(), cx);
596 })
597 .ok();
598 }
599 })
600 .detach();
601 }
602
603 pub fn check_for_updates(&mut self, cx: &mut Context<Self>) {
604 let task = self.fetch_extensions_with_update_available(cx);
605 cx.spawn(move |this, mut cx| async move {
606 Self::upgrade_extensions(this, task.await?, &mut cx).await
607 })
608 .detach();
609 }
610
611 async fn upgrade_extensions(
612 this: WeakEntity<Self>,
613 extensions: Vec<ExtensionMetadata>,
614 cx: &mut AsyncApp,
615 ) -> Result<()> {
616 for extension in extensions {
617 let task = this.update(cx, |this, cx| {
618 if let Some(installed_extension) =
619 this.extension_index.extensions.get(&extension.id)
620 {
621 let installed_version =
622 SemanticVersion::from_str(&installed_extension.manifest.version).ok()?;
623 let latest_version =
624 SemanticVersion::from_str(&extension.manifest.version).ok()?;
625
626 if installed_version >= latest_version {
627 return None;
628 }
629 }
630
631 Some(this.upgrade_extension(extension.id, extension.manifest.version, cx))
632 })?;
633
634 if let Some(task) = task {
635 task.await.log_err();
636 }
637 }
638 anyhow::Ok(())
639 }
640
641 fn fetch_extensions_from_api(
642 &self,
643 path: &str,
644 query: &[(&str, &str)],
645 cx: &mut Context<'_, ExtensionStore>,
646 ) -> Task<Result<Vec<ExtensionMetadata>>> {
647 let url = self.http_client.build_zed_api_url(path, query);
648 let http_client = self.http_client.clone();
649 cx.spawn(move |_, _| async move {
650 let mut response = http_client
651 .get(url?.as_ref(), AsyncBody::empty(), true)
652 .await?;
653
654 let mut body = Vec::new();
655 response
656 .body_mut()
657 .read_to_end(&mut body)
658 .await
659 .context("error reading extensions")?;
660
661 if response.status().is_client_error() {
662 let text = String::from_utf8_lossy(body.as_slice());
663 bail!(
664 "status error {}, response: {text:?}",
665 response.status().as_u16()
666 );
667 }
668
669 let response: GetExtensionsResponse = serde_json::from_slice(&body)?;
670 Ok(response.data)
671 })
672 }
673
674 pub fn install_extension(
675 &mut self,
676 extension_id: Arc<str>,
677 version: Arc<str>,
678 cx: &mut Context<Self>,
679 ) {
680 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Install, cx)
681 .detach_and_log_err(cx);
682 }
683
684 fn install_or_upgrade_extension_at_endpoint(
685 &mut self,
686 extension_id: Arc<str>,
687 url: Url,
688 operation: ExtensionOperation,
689 cx: &mut Context<Self>,
690 ) -> Task<Result<()>> {
691 let extension_dir = self.installed_dir.join(extension_id.as_ref());
692 let http_client = self.http_client.clone();
693 let fs = self.fs.clone();
694
695 match self.outstanding_operations.entry(extension_id.clone()) {
696 btree_map::Entry::Occupied(_) => return Task::ready(Ok(())),
697 btree_map::Entry::Vacant(e) => e.insert(operation),
698 };
699 cx.notify();
700
701 cx.spawn(move |this, mut cx| async move {
702 let _finish = util::defer({
703 let this = this.clone();
704 let mut cx = cx.clone();
705 let extension_id = extension_id.clone();
706 move || {
707 this.update(&mut cx, |this, cx| {
708 this.outstanding_operations.remove(extension_id.as_ref());
709 cx.notify();
710 })
711 .ok();
712 }
713 });
714
715 let mut response = http_client
716 .get(url.as_ref(), Default::default(), true)
717 .await
718 .map_err(|err| anyhow!("error downloading extension: {}", err))?;
719
720 fs.remove_dir(
721 &extension_dir,
722 RemoveOptions {
723 recursive: true,
724 ignore_if_not_exists: true,
725 },
726 )
727 .await?;
728
729 let content_length = response
730 .headers()
731 .get(http_client::http::header::CONTENT_LENGTH)
732 .and_then(|value| value.to_str().ok()?.parse::<usize>().ok());
733
734 let mut body = BufReader::new(response.body_mut());
735 let mut tar_gz_bytes = Vec::new();
736 body.read_to_end(&mut tar_gz_bytes).await?;
737
738 if let Some(content_length) = content_length {
739 let actual_len = tar_gz_bytes.len();
740 if content_length != actual_len {
741 bail!("downloaded extension size {actual_len} does not match content length {content_length}");
742 }
743 }
744 let decompressed_bytes = GzipDecoder::new(BufReader::new(tar_gz_bytes.as_slice()));
745 let archive = Archive::new(decompressed_bytes);
746 archive.unpack(extension_dir).await?;
747 this.update(&mut cx, |this, cx| {
748 this.reload(Some(extension_id.clone()), cx)
749 })?
750 .await;
751
752 if let ExtensionOperation::Install = operation {
753 this.update(&mut cx, |_, cx| {
754 cx.emit(Event::ExtensionInstalled(extension_id));
755 })
756 .ok();
757 }
758
759 anyhow::Ok(())
760 })
761 }
762
763 pub fn install_latest_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
764 log::info!("installing extension {extension_id} latest version");
765
766 let schema_versions = schema_version_range();
767 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
768
769 let Some(url) = self
770 .http_client
771 .build_zed_api_url(
772 &format!("/extensions/{extension_id}/download"),
773 &[
774 ("min_schema_version", &schema_versions.start().to_string()),
775 ("max_schema_version", &schema_versions.end().to_string()),
776 (
777 "min_wasm_api_version",
778 &wasm_api_versions.start().to_string(),
779 ),
780 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
781 ],
782 )
783 .log_err()
784 else {
785 return;
786 };
787
788 self.install_or_upgrade_extension_at_endpoint(
789 extension_id,
790 url,
791 ExtensionOperation::Install,
792 cx,
793 )
794 .detach_and_log_err(cx);
795 }
796
797 pub fn upgrade_extension(
798 &mut self,
799 extension_id: Arc<str>,
800 version: Arc<str>,
801 cx: &mut Context<Self>,
802 ) -> Task<Result<()>> {
803 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Upgrade, cx)
804 }
805
806 fn install_or_upgrade_extension(
807 &mut self,
808 extension_id: Arc<str>,
809 version: Arc<str>,
810 operation: ExtensionOperation,
811 cx: &mut Context<Self>,
812 ) -> Task<Result<()>> {
813 log::info!("installing extension {extension_id} {version}");
814 let Some(url) = self
815 .http_client
816 .build_zed_api_url(
817 &format!("/extensions/{extension_id}/{version}/download"),
818 &[],
819 )
820 .log_err()
821 else {
822 return Task::ready(Ok(()));
823 };
824
825 self.install_or_upgrade_extension_at_endpoint(extension_id, url, operation, cx)
826 }
827
828 pub fn uninstall_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
829 let extension_dir = self.installed_dir.join(extension_id.as_ref());
830 let work_dir = self.wasm_host.work_dir.join(extension_id.as_ref());
831 let fs = self.fs.clone();
832
833 match self.outstanding_operations.entry(extension_id.clone()) {
834 btree_map::Entry::Occupied(_) => return,
835 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Remove),
836 };
837
838 cx.spawn(move |this, mut cx| async move {
839 let _finish = util::defer({
840 let this = this.clone();
841 let mut cx = cx.clone();
842 let extension_id = extension_id.clone();
843 move || {
844 this.update(&mut cx, |this, cx| {
845 this.outstanding_operations.remove(extension_id.as_ref());
846 cx.notify();
847 })
848 .ok();
849 }
850 });
851
852 fs.remove_dir(
853 &work_dir,
854 RemoveOptions {
855 recursive: true,
856 ignore_if_not_exists: true,
857 },
858 )
859 .await?;
860
861 fs.remove_dir(
862 &extension_dir,
863 RemoveOptions {
864 recursive: true,
865 ignore_if_not_exists: true,
866 },
867 )
868 .await?;
869
870 this.update(&mut cx, |this, cx| this.reload(None, cx))?
871 .await;
872 anyhow::Ok(())
873 })
874 .detach_and_log_err(cx)
875 }
876
877 pub fn install_dev_extension(
878 &mut self,
879 extension_source_path: PathBuf,
880 cx: &mut Context<Self>,
881 ) -> Task<Result<()>> {
882 let extensions_dir = self.extensions_dir();
883 let fs = self.fs.clone();
884 let builder = self.builder.clone();
885
886 cx.spawn(move |this, mut cx| async move {
887 let mut extension_manifest =
888 ExtensionManifest::load(fs.clone(), &extension_source_path).await?;
889 let extension_id = extension_manifest.id.clone();
890
891 if !this.update(&mut cx, |this, cx| {
892 match this.outstanding_operations.entry(extension_id.clone()) {
893 btree_map::Entry::Occupied(_) => return false,
894 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Remove),
895 };
896 cx.notify();
897 true
898 })? {
899 return Ok(());
900 }
901
902 let _finish = util::defer({
903 let this = this.clone();
904 let mut cx = cx.clone();
905 let extension_id = extension_id.clone();
906 move || {
907 this.update(&mut cx, |this, cx| {
908 this.outstanding_operations.remove(extension_id.as_ref());
909 cx.notify();
910 })
911 .ok();
912 }
913 });
914
915 cx.background_spawn({
916 let extension_source_path = extension_source_path.clone();
917 async move {
918 builder
919 .compile_extension(
920 &extension_source_path,
921 &mut extension_manifest,
922 CompileExtensionOptions { release: false },
923 )
924 .await
925 }
926 })
927 .await?;
928
929 let output_path = &extensions_dir.join(extension_id.as_ref());
930 if let Some(metadata) = fs.metadata(output_path).await? {
931 if metadata.is_symlink {
932 fs.remove_file(
933 output_path,
934 RemoveOptions {
935 recursive: false,
936 ignore_if_not_exists: true,
937 },
938 )
939 .await?;
940 } else {
941 bail!("extension {extension_id} is already installed");
942 }
943 }
944
945 fs.create_symlink(output_path, extension_source_path)
946 .await?;
947
948 this.update(&mut cx, |this, cx| this.reload(None, cx))?
949 .await;
950 Ok(())
951 })
952 }
953
954 pub fn rebuild_dev_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
955 let path = self.installed_dir.join(extension_id.as_ref());
956 let builder = self.builder.clone();
957 let fs = self.fs.clone();
958
959 match self.outstanding_operations.entry(extension_id.clone()) {
960 btree_map::Entry::Occupied(_) => return,
961 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Upgrade),
962 };
963
964 cx.notify();
965 let compile = cx.background_spawn(async move {
966 let mut manifest = ExtensionManifest::load(fs, &path).await?;
967 builder
968 .compile_extension(
969 &path,
970 &mut manifest,
971 CompileExtensionOptions { release: true },
972 )
973 .await
974 });
975
976 cx.spawn(|this, mut cx| async move {
977 let result = compile.await;
978
979 this.update(&mut cx, |this, cx| {
980 this.outstanding_operations.remove(&extension_id);
981 cx.notify();
982 })?;
983
984 if result.is_ok() {
985 this.update(&mut cx, |this, cx| this.reload(Some(extension_id), cx))?
986 .await;
987 }
988
989 result
990 })
991 .detach_and_log_err(cx)
992 }
993
994 /// Updates the set of installed extensions.
995 ///
996 /// First, this unloads any themes, languages, or grammars that are
997 /// no longer in the manifest, or whose files have changed on disk.
998 /// Then it loads any themes, languages, or grammars that are newly
999 /// added to the manifest, or whose files have changed on disk.
1000 fn extensions_updated(
1001 &mut self,
1002 new_index: ExtensionIndex,
1003 cx: &mut Context<Self>,
1004 ) -> Task<()> {
1005 let old_index = &self.extension_index;
1006
1007 // Determine which extensions need to be loaded and unloaded, based
1008 // on the changes to the manifest and the extensions that we know have been
1009 // modified.
1010 let mut extensions_to_unload = Vec::default();
1011 let mut extensions_to_load = Vec::default();
1012 {
1013 let mut old_keys = old_index.extensions.iter().peekable();
1014 let mut new_keys = new_index.extensions.iter().peekable();
1015 loop {
1016 match (old_keys.peek(), new_keys.peek()) {
1017 (None, None) => break,
1018 (None, Some(_)) => {
1019 extensions_to_load.push(new_keys.next().unwrap().0.clone());
1020 }
1021 (Some(_), None) => {
1022 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
1023 }
1024 (Some((old_key, _)), Some((new_key, _))) => match old_key.cmp(new_key) {
1025 Ordering::Equal => {
1026 let (old_key, old_value) = old_keys.next().unwrap();
1027 let (new_key, new_value) = new_keys.next().unwrap();
1028 if old_value != new_value || self.modified_extensions.contains(old_key)
1029 {
1030 extensions_to_unload.push(old_key.clone());
1031 extensions_to_load.push(new_key.clone());
1032 }
1033 }
1034 Ordering::Less => {
1035 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
1036 }
1037 Ordering::Greater => {
1038 extensions_to_load.push(new_keys.next().unwrap().0.clone());
1039 }
1040 },
1041 }
1042 }
1043 self.modified_extensions.clear();
1044 }
1045
1046 if extensions_to_load.is_empty() && extensions_to_unload.is_empty() {
1047 return Task::ready(());
1048 }
1049
1050 let reload_count = extensions_to_unload
1051 .iter()
1052 .filter(|id| extensions_to_load.contains(id))
1053 .count();
1054
1055 log::info!(
1056 "extensions updated. loading {}, reloading {}, unloading {}",
1057 extensions_to_load.len() - reload_count,
1058 reload_count,
1059 extensions_to_unload.len() - reload_count
1060 );
1061
1062 for extension_id in &extensions_to_load {
1063 if let Some(extension) = new_index.extensions.get(extension_id) {
1064 telemetry::event!(
1065 "Extension Loaded",
1066 extension_id,
1067 version = extension.manifest.version
1068 );
1069 }
1070 }
1071
1072 let themes_to_remove = old_index
1073 .themes
1074 .iter()
1075 .filter_map(|(name, entry)| {
1076 if extensions_to_unload.contains(&entry.extension) {
1077 Some(name.clone().into())
1078 } else {
1079 None
1080 }
1081 })
1082 .collect::<Vec<_>>();
1083 let icon_themes_to_remove = old_index
1084 .icon_themes
1085 .iter()
1086 .filter_map(|(name, entry)| {
1087 if extensions_to_unload.contains(&entry.extension) {
1088 Some(name.clone().into())
1089 } else {
1090 None
1091 }
1092 })
1093 .collect::<Vec<_>>();
1094 let languages_to_remove = old_index
1095 .languages
1096 .iter()
1097 .filter_map(|(name, entry)| {
1098 if extensions_to_unload.contains(&entry.extension) {
1099 Some(name.clone())
1100 } else {
1101 None
1102 }
1103 })
1104 .collect::<Vec<_>>();
1105 let mut grammars_to_remove = Vec::new();
1106 for extension_id in &extensions_to_unload {
1107 let Some(extension) = old_index.extensions.get(extension_id) else {
1108 continue;
1109 };
1110 grammars_to_remove.extend(extension.manifest.grammars.keys().cloned());
1111 for (language_server_name, config) in extension.manifest.language_servers.iter() {
1112 for language in config.languages() {
1113 self.proxy
1114 .remove_language_server(&language, language_server_name);
1115 }
1116 }
1117 }
1118
1119 self.wasm_extensions
1120 .retain(|(extension, _)| !extensions_to_unload.contains(&extension.id));
1121 self.proxy.remove_user_themes(themes_to_remove);
1122 self.proxy.remove_icon_themes(icon_themes_to_remove);
1123 self.proxy
1124 .remove_languages(&languages_to_remove, &grammars_to_remove);
1125
1126 let languages_to_add = new_index
1127 .languages
1128 .iter()
1129 .filter(|(_, entry)| extensions_to_load.contains(&entry.extension))
1130 .collect::<Vec<_>>();
1131 let mut grammars_to_add = Vec::new();
1132 let mut themes_to_add = Vec::new();
1133 let mut icon_themes_to_add = Vec::new();
1134 let mut snippets_to_add = Vec::new();
1135 for extension_id in &extensions_to_load {
1136 let Some(extension) = new_index.extensions.get(extension_id) else {
1137 continue;
1138 };
1139
1140 grammars_to_add.extend(extension.manifest.grammars.keys().map(|grammar_name| {
1141 let mut grammar_path = self.installed_dir.clone();
1142 grammar_path.extend([extension_id.as_ref(), "grammars"]);
1143 grammar_path.push(grammar_name.as_ref());
1144 grammar_path.set_extension("wasm");
1145 (grammar_name.clone(), grammar_path)
1146 }));
1147 themes_to_add.extend(extension.manifest.themes.iter().map(|theme_path| {
1148 let mut path = self.installed_dir.clone();
1149 path.extend([Path::new(extension_id.as_ref()), theme_path.as_path()]);
1150 path
1151 }));
1152 icon_themes_to_add.extend(extension.manifest.icon_themes.iter().map(
1153 |icon_theme_path| {
1154 let mut path = self.installed_dir.clone();
1155 path.extend([Path::new(extension_id.as_ref()), icon_theme_path.as_path()]);
1156
1157 let mut icons_root_path = self.installed_dir.clone();
1158 icons_root_path.extend([Path::new(extension_id.as_ref())]);
1159
1160 (path, icons_root_path)
1161 },
1162 ));
1163 snippets_to_add.extend(extension.manifest.snippets.iter().map(|snippets_path| {
1164 let mut path = self.installed_dir.clone();
1165 path.extend([Path::new(extension_id.as_ref()), snippets_path.as_path()]);
1166 path
1167 }));
1168 }
1169
1170 self.proxy.register_grammars(grammars_to_add);
1171
1172 for (language_name, language) in languages_to_add {
1173 let mut language_path = self.installed_dir.clone();
1174 language_path.extend([
1175 Path::new(language.extension.as_ref()),
1176 language.path.as_path(),
1177 ]);
1178 self.proxy.register_language(
1179 language_name.clone(),
1180 language.grammar.clone(),
1181 language.matcher.clone(),
1182 language.hidden,
1183 Arc::new(move || {
1184 let config = std::fs::read_to_string(language_path.join("config.toml"))?;
1185 let config: LanguageConfig = ::toml::from_str(&config)?;
1186 let queries = load_plugin_queries(&language_path);
1187 let context_provider =
1188 std::fs::read_to_string(language_path.join("tasks.json"))
1189 .ok()
1190 .and_then(|contents| {
1191 let definitions =
1192 serde_json_lenient::from_str(&contents).log_err()?;
1193 Some(Arc::new(ContextProviderWithTasks::new(definitions)) as Arc<_>)
1194 });
1195
1196 Ok(LoadedLanguage {
1197 config,
1198 queries,
1199 context_provider,
1200 toolchain_provider: None,
1201 })
1202 }),
1203 );
1204 }
1205
1206 let fs = self.fs.clone();
1207 let wasm_host = self.wasm_host.clone();
1208 let root_dir = self.installed_dir.clone();
1209 let proxy = self.proxy.clone();
1210 let extension_entries = extensions_to_load
1211 .iter()
1212 .filter_map(|name| new_index.extensions.get(name).cloned())
1213 .collect::<Vec<_>>();
1214
1215 self.extension_index = new_index;
1216 cx.notify();
1217 cx.emit(Event::ExtensionsUpdated);
1218
1219 cx.spawn(|this, mut cx| async move {
1220 cx.background_spawn({
1221 let fs = fs.clone();
1222 async move {
1223 for theme_path in themes_to_add.into_iter() {
1224 proxy
1225 .load_user_theme(theme_path, fs.clone())
1226 .await
1227 .log_err();
1228 }
1229
1230 for (icon_theme_path, icons_root_path) in icon_themes_to_add.into_iter() {
1231 proxy
1232 .load_icon_theme(icon_theme_path, icons_root_path, fs.clone())
1233 .await
1234 .log_err();
1235 }
1236
1237 for snippets_path in &snippets_to_add {
1238 if let Some(snippets_contents) = fs.load(snippets_path).await.log_err() {
1239 proxy
1240 .register_snippet(snippets_path, &snippets_contents)
1241 .log_err();
1242 }
1243 }
1244 }
1245 })
1246 .await;
1247
1248 let mut wasm_extensions = Vec::new();
1249 for extension in extension_entries {
1250 if extension.manifest.lib.kind.is_none() {
1251 continue;
1252 };
1253
1254 let extension_path = root_dir.join(extension.manifest.id.as_ref());
1255 let wasm_extension = WasmExtension::load(
1256 extension_path,
1257 &extension.manifest,
1258 wasm_host.clone(),
1259 &cx,
1260 )
1261 .await;
1262
1263 if let Some(wasm_extension) = wasm_extension.log_err() {
1264 wasm_extensions.push((extension.manifest.clone(), wasm_extension));
1265 } else {
1266 this.update(&mut cx, |_, cx| {
1267 cx.emit(Event::ExtensionFailedToLoad(extension.manifest.id.clone()))
1268 })
1269 .ok();
1270 }
1271 }
1272
1273 this.update(&mut cx, |this, cx| {
1274 this.reload_complete_senders.clear();
1275
1276 for (manifest, wasm_extension) in &wasm_extensions {
1277 let extension = Arc::new(wasm_extension.clone());
1278
1279 for (language_server_id, language_server_config) in &manifest.language_servers {
1280 for language in language_server_config.languages() {
1281 this.proxy.register_language_server(
1282 extension.clone(),
1283 language_server_id.clone(),
1284 language.clone(),
1285 );
1286 }
1287 }
1288
1289 for (slash_command_name, slash_command) in &manifest.slash_commands {
1290 this.proxy.register_slash_command(
1291 extension.clone(),
1292 extension::SlashCommand {
1293 name: slash_command_name.to_string(),
1294 description: slash_command.description.to_string(),
1295 // We don't currently expose this as a configurable option, as it currently drives
1296 // the `menu_text` on the `SlashCommand` trait, which is not used for slash commands
1297 // defined in extensions, as they are not able to be added to the menu.
1298 tooltip_text: String::new(),
1299 requires_argument: slash_command.requires_argument,
1300 },
1301 );
1302 }
1303
1304 for (id, _context_server_entry) in &manifest.context_servers {
1305 this.proxy
1306 .register_context_server(extension.clone(), id.clone(), cx);
1307 }
1308
1309 for (provider_id, _provider) in &manifest.indexed_docs_providers {
1310 this.proxy
1311 .register_indexed_docs_provider(extension.clone(), provider_id.clone());
1312 }
1313 }
1314
1315 this.wasm_extensions.extend(wasm_extensions);
1316 this.proxy.set_extensions_loaded();
1317 this.proxy.reload_current_theme(cx);
1318 this.proxy.reload_current_icon_theme(cx);
1319
1320 if let Some(events) = ExtensionEvents::try_global(cx) {
1321 events.update(cx, |this, cx| {
1322 this.emit(extension::Event::ExtensionsInstalledChanged, cx)
1323 });
1324 }
1325 })
1326 .ok();
1327 })
1328 }
1329
1330 fn rebuild_extension_index(&self, cx: &mut Context<Self>) -> Task<ExtensionIndex> {
1331 let fs = self.fs.clone();
1332 let work_dir = self.wasm_host.work_dir.clone();
1333 let extensions_dir = self.installed_dir.clone();
1334 let index_path = self.index_path.clone();
1335 let proxy = self.proxy.clone();
1336 cx.background_spawn(async move {
1337 let start_time = Instant::now();
1338 let mut index = ExtensionIndex::default();
1339
1340 fs.create_dir(&work_dir).await.log_err();
1341 fs.create_dir(&extensions_dir).await.log_err();
1342
1343 let extension_paths = fs.read_dir(&extensions_dir).await;
1344 if let Ok(mut extension_paths) = extension_paths {
1345 while let Some(extension_dir) = extension_paths.next().await {
1346 let Ok(extension_dir) = extension_dir else {
1347 continue;
1348 };
1349
1350 if extension_dir
1351 .file_name()
1352 .map_or(false, |file_name| file_name == ".DS_Store")
1353 {
1354 continue;
1355 }
1356
1357 Self::add_extension_to_index(
1358 fs.clone(),
1359 extension_dir,
1360 &mut index,
1361 proxy.clone(),
1362 )
1363 .await
1364 .log_err();
1365 }
1366 }
1367
1368 if let Ok(index_json) = serde_json::to_string_pretty(&index) {
1369 fs.save(&index_path, &index_json.as_str().into(), Default::default())
1370 .await
1371 .context("failed to save extension index")
1372 .log_err();
1373 }
1374
1375 log::info!("rebuilt extension index in {:?}", start_time.elapsed());
1376 index
1377 })
1378 }
1379
1380 async fn add_extension_to_index(
1381 fs: Arc<dyn Fs>,
1382 extension_dir: PathBuf,
1383 index: &mut ExtensionIndex,
1384 proxy: Arc<ExtensionHostProxy>,
1385 ) -> Result<()> {
1386 let mut extension_manifest = ExtensionManifest::load(fs.clone(), &extension_dir).await?;
1387 let extension_id = extension_manifest.id.clone();
1388
1389 // TODO: distinguish dev extensions more explicitly, by the absence
1390 // of a checksum file that we'll create when downloading normal extensions.
1391 let is_dev = fs
1392 .metadata(&extension_dir)
1393 .await?
1394 .ok_or_else(|| anyhow!("directory does not exist"))?
1395 .is_symlink;
1396
1397 if let Ok(mut language_paths) = fs.read_dir(&extension_dir.join("languages")).await {
1398 while let Some(language_path) = language_paths.next().await {
1399 let language_path = language_path?;
1400 let Ok(relative_path) = language_path.strip_prefix(&extension_dir) else {
1401 continue;
1402 };
1403 let Ok(Some(fs_metadata)) = fs.metadata(&language_path).await else {
1404 continue;
1405 };
1406 if !fs_metadata.is_dir {
1407 continue;
1408 }
1409 let config = fs.load(&language_path.join("config.toml")).await?;
1410 let config = ::toml::from_str::<LanguageConfig>(&config)?;
1411
1412 let relative_path = relative_path.to_path_buf();
1413 if !extension_manifest.languages.contains(&relative_path) {
1414 extension_manifest.languages.push(relative_path.clone());
1415 }
1416
1417 index.languages.insert(
1418 config.name.clone(),
1419 ExtensionIndexLanguageEntry {
1420 extension: extension_id.clone(),
1421 path: relative_path,
1422 matcher: config.matcher,
1423 hidden: config.hidden,
1424 grammar: config.grammar,
1425 },
1426 );
1427 }
1428 }
1429
1430 if let Ok(mut theme_paths) = fs.read_dir(&extension_dir.join("themes")).await {
1431 while let Some(theme_path) = theme_paths.next().await {
1432 let theme_path = theme_path?;
1433 let Ok(relative_path) = theme_path.strip_prefix(&extension_dir) else {
1434 continue;
1435 };
1436
1437 let Some(theme_families) = proxy
1438 .list_theme_names(theme_path.clone(), fs.clone())
1439 .await
1440 .log_err()
1441 else {
1442 continue;
1443 };
1444
1445 let relative_path = relative_path.to_path_buf();
1446 if !extension_manifest.themes.contains(&relative_path) {
1447 extension_manifest.themes.push(relative_path.clone());
1448 }
1449
1450 for theme_name in theme_families {
1451 index.themes.insert(
1452 theme_name.into(),
1453 ExtensionIndexThemeEntry {
1454 extension: extension_id.clone(),
1455 path: relative_path.clone(),
1456 },
1457 );
1458 }
1459 }
1460 }
1461
1462 if let Ok(mut icon_theme_paths) = fs.read_dir(&extension_dir.join("icon_themes")).await {
1463 while let Some(icon_theme_path) = icon_theme_paths.next().await {
1464 let icon_theme_path = icon_theme_path?;
1465 let Ok(relative_path) = icon_theme_path.strip_prefix(&extension_dir) else {
1466 continue;
1467 };
1468
1469 let Some(icon_theme_families) = proxy
1470 .list_icon_theme_names(icon_theme_path.clone(), fs.clone())
1471 .await
1472 .log_err()
1473 else {
1474 continue;
1475 };
1476
1477 let relative_path = relative_path.to_path_buf();
1478 if !extension_manifest.icon_themes.contains(&relative_path) {
1479 extension_manifest.icon_themes.push(relative_path.clone());
1480 }
1481
1482 for icon_theme_name in icon_theme_families {
1483 index.icon_themes.insert(
1484 icon_theme_name.into(),
1485 ExtensionIndexIconThemeEntry {
1486 extension: extension_id.clone(),
1487 path: relative_path.clone(),
1488 },
1489 );
1490 }
1491 }
1492 }
1493
1494 let extension_wasm_path = extension_dir.join("extension.wasm");
1495 if fs.is_file(&extension_wasm_path).await {
1496 extension_manifest
1497 .lib
1498 .kind
1499 .get_or_insert(ExtensionLibraryKind::Rust);
1500 }
1501
1502 index.extensions.insert(
1503 extension_id.clone(),
1504 ExtensionIndexEntry {
1505 dev: is_dev,
1506 manifest: Arc::new(extension_manifest),
1507 },
1508 );
1509
1510 Ok(())
1511 }
1512
1513 fn prepare_remote_extension(
1514 &mut self,
1515 extension_id: Arc<str>,
1516 is_dev: bool,
1517 tmp_dir: PathBuf,
1518 cx: &mut Context<Self>,
1519 ) -> Task<Result<()>> {
1520 let src_dir = self.extensions_dir().join(extension_id.as_ref());
1521 let Some(loaded_extension) = self.extension_index.extensions.get(&extension_id).cloned()
1522 else {
1523 return Task::ready(Err(anyhow!("extension no longer installed")));
1524 };
1525 let fs = self.fs.clone();
1526 cx.background_spawn(async move {
1527 const EXTENSION_TOML: &str = "extension.toml";
1528 const EXTENSION_WASM: &str = "extension.wasm";
1529 const CONFIG_TOML: &str = "config.toml";
1530
1531 if is_dev {
1532 let manifest_toml = toml::to_string(&loaded_extension.manifest)?;
1533 fs.save(
1534 &tmp_dir.join(EXTENSION_TOML),
1535 &Rope::from(manifest_toml),
1536 language::LineEnding::Unix,
1537 )
1538 .await?;
1539 } else {
1540 fs.copy_file(
1541 &src_dir.join(EXTENSION_TOML),
1542 &tmp_dir.join(EXTENSION_TOML),
1543 fs::CopyOptions::default(),
1544 )
1545 .await?
1546 }
1547
1548 if fs.is_file(&src_dir.join(EXTENSION_WASM)).await {
1549 fs.copy_file(
1550 &src_dir.join(EXTENSION_WASM),
1551 &tmp_dir.join(EXTENSION_WASM),
1552 fs::CopyOptions::default(),
1553 )
1554 .await?
1555 }
1556
1557 for language_path in loaded_extension.manifest.languages.iter() {
1558 if fs
1559 .is_file(&src_dir.join(language_path).join(CONFIG_TOML))
1560 .await
1561 {
1562 fs.create_dir(&tmp_dir.join(language_path)).await?;
1563 fs.copy_file(
1564 &src_dir.join(language_path).join(CONFIG_TOML),
1565 &tmp_dir.join(language_path).join(CONFIG_TOML),
1566 fs::CopyOptions::default(),
1567 )
1568 .await?
1569 }
1570 }
1571
1572 Ok(())
1573 })
1574 }
1575
1576 async fn sync_extensions_over_ssh(
1577 this: &WeakEntity<Self>,
1578 client: WeakEntity<SshRemoteClient>,
1579 cx: &mut AsyncApp,
1580 ) -> Result<()> {
1581 let extensions = this.update(cx, |this, _cx| {
1582 this.extension_index
1583 .extensions
1584 .iter()
1585 .filter_map(|(id, entry)| {
1586 if entry.manifest.language_servers.is_empty() {
1587 return None;
1588 }
1589 Some(proto::Extension {
1590 id: id.to_string(),
1591 version: entry.manifest.version.to_string(),
1592 dev: entry.dev,
1593 })
1594 })
1595 .collect()
1596 })?;
1597
1598 let response = client
1599 .update(cx, |client, _cx| {
1600 client
1601 .proto_client()
1602 .request(proto::SyncExtensions { extensions })
1603 })?
1604 .await?;
1605
1606 for missing_extension in response.missing_extensions.into_iter() {
1607 let tmp_dir = tempfile::tempdir()?;
1608 this.update(cx, |this, cx| {
1609 this.prepare_remote_extension(
1610 missing_extension.id.clone().into(),
1611 missing_extension.dev,
1612 tmp_dir.path().to_owned(),
1613 cx,
1614 )
1615 })?
1616 .await?;
1617 let dest_dir = PathBuf::from(&response.tmp_dir).join(missing_extension.clone().id);
1618 log::info!("Uploading extension {}", missing_extension.clone().id);
1619
1620 client
1621 .update(cx, |client, cx| {
1622 client.upload_directory(tmp_dir.path().to_owned(), dest_dir.clone(), cx)
1623 })?
1624 .await?;
1625
1626 log::info!(
1627 "Finished uploading extension {}",
1628 missing_extension.clone().id
1629 );
1630
1631 client
1632 .update(cx, |client, _cx| {
1633 client.proto_client().request(proto::InstallExtension {
1634 tmp_dir: dest_dir.to_string_lossy().to_string(),
1635 extension: Some(missing_extension),
1636 })
1637 })?
1638 .await?;
1639 }
1640
1641 anyhow::Ok(())
1642 }
1643
1644 pub async fn update_ssh_clients(this: &WeakEntity<Self>, cx: &mut AsyncApp) -> Result<()> {
1645 let clients = this.update(cx, |this, _cx| {
1646 this.ssh_clients.retain(|_k, v| v.upgrade().is_some());
1647 this.ssh_clients.values().cloned().collect::<Vec<_>>()
1648 })?;
1649
1650 for client in clients {
1651 Self::sync_extensions_over_ssh(&this, client, cx)
1652 .await
1653 .log_err();
1654 }
1655
1656 anyhow::Ok(())
1657 }
1658
1659 pub fn register_ssh_client(&mut self, client: Entity<SshRemoteClient>, cx: &mut Context<Self>) {
1660 let connection_options = client.read(cx).connection_options();
1661 if self.ssh_clients.contains_key(&connection_options.ssh_url()) {
1662 return;
1663 }
1664
1665 self.ssh_clients
1666 .insert(connection_options.ssh_url(), client.downgrade());
1667 self.ssh_registered_tx.unbounded_send(()).ok();
1668 }
1669}
1670
1671fn load_plugin_queries(root_path: &Path) -> LanguageQueries {
1672 let mut result = LanguageQueries::default();
1673 if let Some(entries) = std::fs::read_dir(root_path).log_err() {
1674 for entry in entries {
1675 let Some(entry) = entry.log_err() else {
1676 continue;
1677 };
1678 let path = entry.path();
1679 if let Some(remainder) = path.strip_prefix(root_path).ok().and_then(|p| p.to_str()) {
1680 if !remainder.ends_with(".scm") {
1681 continue;
1682 }
1683 for (name, query) in QUERY_FILENAME_PREFIXES {
1684 if remainder.starts_with(name) {
1685 if let Some(contents) = std::fs::read_to_string(&path).log_err() {
1686 match query(&mut result) {
1687 None => *query(&mut result) = Some(contents.into()),
1688 Some(r) => r.to_mut().push_str(contents.as_ref()),
1689 }
1690 }
1691 break;
1692 }
1693 }
1694 }
1695 }
1696 }
1697 result
1698}