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 StartedReloading,
131 ExtensionInstalled(Arc<str>),
132 ExtensionFailedToLoad(Arc<str>),
133}
134
135impl EventEmitter<Event> for ExtensionStore {}
136
137struct GlobalExtensionStore(Entity<ExtensionStore>);
138
139impl Global for GlobalExtensionStore {}
140
141#[derive(Debug, Deserialize, Serialize, Default, PartialEq, Eq)]
142pub struct ExtensionIndex {
143 pub extensions: BTreeMap<Arc<str>, ExtensionIndexEntry>,
144 pub themes: BTreeMap<Arc<str>, ExtensionIndexThemeEntry>,
145 #[serde(default)]
146 pub icon_themes: BTreeMap<Arc<str>, ExtensionIndexIconThemeEntry>,
147 pub languages: BTreeMap<LanguageName, ExtensionIndexLanguageEntry>,
148}
149
150#[derive(Clone, PartialEq, Eq, Debug, Deserialize, Serialize)]
151pub struct ExtensionIndexEntry {
152 pub manifest: Arc<ExtensionManifest>,
153 pub dev: bool,
154}
155
156#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
157pub struct ExtensionIndexThemeEntry {
158 pub extension: Arc<str>,
159 pub path: PathBuf,
160}
161
162#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
163pub struct ExtensionIndexIconThemeEntry {
164 pub extension: Arc<str>,
165 pub path: PathBuf,
166}
167
168#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
169pub struct ExtensionIndexLanguageEntry {
170 pub extension: Arc<str>,
171 pub path: PathBuf,
172 pub matcher: LanguageMatcher,
173 pub hidden: bool,
174 pub grammar: Option<Arc<str>>,
175}
176
177actions!(zed, [ReloadExtensions]);
178
179pub fn init(
180 extension_host_proxy: Arc<ExtensionHostProxy>,
181 fs: Arc<dyn Fs>,
182 client: Arc<Client>,
183 node_runtime: NodeRuntime,
184 cx: &mut App,
185) {
186 ExtensionSettings::register(cx);
187
188 let store = cx.new(move |cx| {
189 ExtensionStore::new(
190 paths::extensions_dir().clone(),
191 None,
192 extension_host_proxy,
193 fs,
194 client.http_client().clone(),
195 client.http_client().clone(),
196 Some(client.telemetry().clone()),
197 node_runtime,
198 cx,
199 )
200 });
201
202 cx.on_action(|_: &ReloadExtensions, cx| {
203 let store = cx.global::<GlobalExtensionStore>().0.clone();
204 store.update(cx, |store, cx| drop(store.reload(None, cx)));
205 });
206
207 cx.set_global(GlobalExtensionStore(store));
208}
209
210impl ExtensionStore {
211 pub fn try_global(cx: &App) -> Option<Entity<Self>> {
212 cx.try_global::<GlobalExtensionStore>()
213 .map(|store| store.0.clone())
214 }
215
216 pub fn global(cx: &App) -> Entity<Self> {
217 cx.global::<GlobalExtensionStore>().0.clone()
218 }
219
220 pub fn new(
221 extensions_dir: PathBuf,
222 build_dir: Option<PathBuf>,
223 extension_host_proxy: Arc<ExtensionHostProxy>,
224 fs: Arc<dyn Fs>,
225 http_client: Arc<HttpClientWithUrl>,
226 builder_client: Arc<dyn HttpClient>,
227 telemetry: Option<Arc<Telemetry>>,
228 node_runtime: NodeRuntime,
229 cx: &mut Context<Self>,
230 ) -> Self {
231 let work_dir = extensions_dir.join("work");
232 let build_dir = build_dir.unwrap_or_else(|| extensions_dir.join("build"));
233 let installed_dir = extensions_dir.join("installed");
234 let index_path = extensions_dir.join("index.json");
235
236 let (reload_tx, mut reload_rx) = unbounded();
237 let (connection_registered_tx, mut connection_registered_rx) = unbounded();
238 let mut this = Self {
239 proxy: extension_host_proxy.clone(),
240 extension_index: Default::default(),
241 installed_dir,
242 index_path,
243 builder: Arc::new(ExtensionBuilder::new(builder_client, build_dir)),
244 outstanding_operations: Default::default(),
245 modified_extensions: Default::default(),
246 reload_complete_senders: Vec::new(),
247 wasm_host: WasmHost::new(
248 fs.clone(),
249 http_client.clone(),
250 node_runtime,
251 extension_host_proxy,
252 work_dir,
253 cx,
254 ),
255 wasm_extensions: Vec::new(),
256 fs,
257 http_client,
258 telemetry,
259 reload_tx,
260 tasks: Vec::new(),
261
262 ssh_clients: HashMap::default(),
263 ssh_registered_tx: connection_registered_tx,
264 };
265
266 // The extensions store maintains an index file, which contains a complete
267 // list of the installed extensions and the resources that they provide.
268 // This index is loaded synchronously on startup.
269 let (index_content, index_metadata, extensions_metadata) =
270 cx.background_executor().block(async {
271 futures::join!(
272 this.fs.load(&this.index_path),
273 this.fs.metadata(&this.index_path),
274 this.fs.metadata(&this.installed_dir),
275 )
276 });
277
278 // Normally, there is no need to rebuild the index. But if the index file
279 // is invalid or is out-of-date according to the filesystem mtimes, then
280 // it must be asynchronously rebuilt.
281 let mut extension_index = ExtensionIndex::default();
282 let mut extension_index_needs_rebuild = true;
283 if let Ok(index_content) = index_content {
284 if let Some(index) = serde_json::from_str(&index_content).log_err() {
285 extension_index = index;
286 if let (Ok(Some(index_metadata)), Ok(Some(extensions_metadata))) =
287 (index_metadata, extensions_metadata)
288 {
289 if index_metadata
290 .mtime
291 .bad_is_greater_than(extensions_metadata.mtime)
292 {
293 extension_index_needs_rebuild = false;
294 }
295 }
296 }
297 }
298
299 // Immediately load all of the extensions in the initial manifest. If the
300 // index needs to be rebuild, then enqueue
301 let load_initial_extensions = this.extensions_updated(extension_index, cx);
302 let mut reload_future = None;
303 if extension_index_needs_rebuild {
304 reload_future = Some(this.reload(None, cx));
305 }
306
307 cx.spawn(|this, mut cx| async move {
308 if let Some(future) = reload_future {
309 future.await;
310 }
311 this.update(&mut cx, |this, cx| this.auto_install_extensions(cx))
312 .ok();
313 this.update(&mut cx, |this, cx| this.check_for_updates(cx))
314 .ok();
315 })
316 .detach();
317
318 // Perform all extension loading in a single task to ensure that we
319 // never attempt to simultaneously load/unload extensions from multiple
320 // parallel tasks.
321 this.tasks.push(cx.spawn(|this, mut cx| {
322 async move {
323 load_initial_extensions.await;
324
325 let mut index_changed = false;
326 let mut debounce_timer = cx.background_spawn(futures::future::pending()).fuse();
327 loop {
328 select_biased! {
329 _ = debounce_timer => {
330 if index_changed {
331 let index = this
332 .update(&mut cx, |this, cx| this.rebuild_extension_index(cx))?
333 .await;
334 this.update(&mut cx, |this, cx| this.extensions_updated(index, cx))?
335 .await;
336 index_changed = false;
337 }
338
339 Self::update_ssh_clients(&this, &mut cx).await?;
340 }
341 _ = connection_registered_rx.next() => {
342 debounce_timer = cx
343 .background_executor()
344 .timer(RELOAD_DEBOUNCE_DURATION)
345 .fuse();
346 }
347 extension_id = reload_rx.next() => {
348 let Some(extension_id) = extension_id else { break; };
349 this.update(&mut cx, |this, _| {
350 this.modified_extensions.extend(extension_id);
351 })?;
352 index_changed = true;
353 debounce_timer = cx
354 .background_executor()
355 .timer(RELOAD_DEBOUNCE_DURATION)
356 .fuse();
357 }
358 }
359 }
360
361 anyhow::Ok(())
362 }
363 .map(drop)
364 }));
365
366 // Watch the installed extensions directory for changes. Whenever changes are
367 // detected, rebuild the extension index, and load/unload any extensions that
368 // have been added, removed, or modified.
369 this.tasks.push(cx.background_spawn({
370 let fs = this.fs.clone();
371 let reload_tx = this.reload_tx.clone();
372 let installed_dir = this.installed_dir.clone();
373 async move {
374 let (mut paths, _) = fs.watch(&installed_dir, FS_WATCH_LATENCY).await;
375 while let Some(events) = paths.next().await {
376 for event in events {
377 let Ok(event_path) = event.path.strip_prefix(&installed_dir) else {
378 continue;
379 };
380
381 if let Some(path::Component::Normal(extension_dir_name)) =
382 event_path.components().next()
383 {
384 if let Some(extension_id) = extension_dir_name.to_str() {
385 reload_tx.unbounded_send(Some(extension_id.into())).ok();
386 }
387 }
388 }
389 }
390 }
391 }));
392
393 this
394 }
395
396 pub fn reload(
397 &mut self,
398 modified_extension: Option<Arc<str>>,
399 cx: &mut Context<Self>,
400 ) -> impl Future<Output = ()> {
401 let (tx, rx) = oneshot::channel();
402 self.reload_complete_senders.push(tx);
403 self.reload_tx
404 .unbounded_send(modified_extension)
405 .expect("reload task exited");
406 cx.emit(Event::StartedReloading);
407
408 async move {
409 rx.await.ok();
410 }
411 }
412
413 fn extensions_dir(&self) -> PathBuf {
414 self.installed_dir.clone()
415 }
416
417 pub fn outstanding_operations(&self) -> &BTreeMap<Arc<str>, ExtensionOperation> {
418 &self.outstanding_operations
419 }
420
421 pub fn installed_extensions(&self) -> &BTreeMap<Arc<str>, ExtensionIndexEntry> {
422 &self.extension_index.extensions
423 }
424
425 pub fn dev_extensions(&self) -> impl Iterator<Item = &Arc<ExtensionManifest>> {
426 self.extension_index
427 .extensions
428 .values()
429 .filter_map(|extension| extension.dev.then_some(&extension.manifest))
430 }
431
432 /// Returns the names of themes provided by extensions.
433 pub fn extension_themes<'a>(
434 &'a self,
435 extension_id: &'a str,
436 ) -> impl Iterator<Item = &'a Arc<str>> {
437 self.extension_index
438 .themes
439 .iter()
440 .filter_map(|(name, theme)| theme.extension.as_ref().eq(extension_id).then_some(name))
441 }
442
443 /// Returns the path to the theme file within an extension, if there is an
444 /// extension that provides the theme.
445 pub fn path_to_extension_theme(&self, theme_name: &str) -> Option<PathBuf> {
446 let entry = self.extension_index.themes.get(theme_name)?;
447
448 Some(
449 self.extensions_dir()
450 .join(entry.extension.as_ref())
451 .join(&entry.path),
452 )
453 }
454
455 /// Returns the names of icon themes provided by extensions.
456 pub fn extension_icon_themes<'a>(
457 &'a self,
458 extension_id: &'a str,
459 ) -> impl Iterator<Item = &'a Arc<str>> {
460 self.extension_index
461 .icon_themes
462 .iter()
463 .filter_map(|(name, icon_theme)| {
464 icon_theme
465 .extension
466 .as_ref()
467 .eq(extension_id)
468 .then_some(name)
469 })
470 }
471
472 /// Returns the path to the icon theme file within an extension, if there is
473 /// an extension that provides the icon theme.
474 pub fn path_to_extension_icon_theme(
475 &self,
476 icon_theme_name: &str,
477 ) -> Option<(PathBuf, PathBuf)> {
478 let entry = self.extension_index.icon_themes.get(icon_theme_name)?;
479
480 let icon_theme_path = self
481 .extensions_dir()
482 .join(entry.extension.as_ref())
483 .join(&entry.path);
484 let icons_root_path = self.extensions_dir().join(entry.extension.as_ref());
485
486 Some((icon_theme_path, icons_root_path))
487 }
488
489 pub fn fetch_extensions(
490 &self,
491 search: Option<&str>,
492 provides_filter: Option<&BTreeSet<ExtensionProvides>>,
493 cx: &mut Context<Self>,
494 ) -> Task<Result<Vec<ExtensionMetadata>>> {
495 let version = CURRENT_SCHEMA_VERSION.to_string();
496 let mut query = vec![("max_schema_version", version.as_str())];
497 if let Some(search) = search {
498 query.push(("filter", search));
499 }
500
501 let provides_filter = provides_filter.map(|provides_filter| {
502 provides_filter
503 .iter()
504 .map(|provides| provides.to_string())
505 .collect::<Vec<_>>()
506 .join(",")
507 });
508 if let Some(provides_filter) = provides_filter.as_deref() {
509 query.push(("provides", provides_filter));
510 }
511
512 self.fetch_extensions_from_api("/extensions", &query, cx)
513 }
514
515 pub fn fetch_extensions_with_update_available(
516 &mut self,
517 cx: &mut Context<Self>,
518 ) -> Task<Result<Vec<ExtensionMetadata>>> {
519 let schema_versions = schema_version_range();
520 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
521 let extension_settings = ExtensionSettings::get_global(cx);
522 let extension_ids = self
523 .extension_index
524 .extensions
525 .iter()
526 .filter(|(id, entry)| !entry.dev && extension_settings.should_auto_update(id))
527 .map(|(id, _)| id.as_ref())
528 .collect::<Vec<_>>()
529 .join(",");
530 let task = self.fetch_extensions_from_api(
531 "/extensions/updates",
532 &[
533 ("min_schema_version", &schema_versions.start().to_string()),
534 ("max_schema_version", &schema_versions.end().to_string()),
535 (
536 "min_wasm_api_version",
537 &wasm_api_versions.start().to_string(),
538 ),
539 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
540 ("ids", &extension_ids),
541 ],
542 cx,
543 );
544 cx.spawn(move |this, mut cx| async move {
545 let extensions = task.await?;
546 this.update(&mut cx, |this, _cx| {
547 extensions
548 .into_iter()
549 .filter(|extension| {
550 this.extension_index.extensions.get(&extension.id).map_or(
551 true,
552 |installed_extension| {
553 installed_extension.manifest.version != extension.manifest.version
554 },
555 )
556 })
557 .collect()
558 })
559 })
560 }
561
562 pub fn fetch_extension_versions(
563 &self,
564 extension_id: &str,
565 cx: &mut Context<Self>,
566 ) -> Task<Result<Vec<ExtensionMetadata>>> {
567 self.fetch_extensions_from_api(&format!("/extensions/{extension_id}"), &[], cx)
568 }
569
570 /// Installs any extensions that should be included with Zed by default.
571 ///
572 /// This can be used to make certain functionality provided by extensions
573 /// available out-of-the-box.
574 pub fn auto_install_extensions(&mut self, cx: &mut Context<Self>) {
575 let extension_settings = ExtensionSettings::get_global(cx);
576
577 let extensions_to_install = extension_settings
578 .auto_install_extensions
579 .keys()
580 .filter(|extension_id| extension_settings.should_auto_install(extension_id))
581 .filter(|extension_id| {
582 let is_already_installed = self
583 .extension_index
584 .extensions
585 .contains_key(extension_id.as_ref());
586 !is_already_installed
587 })
588 .cloned()
589 .collect::<Vec<_>>();
590
591 cx.spawn(move |this, mut cx| async move {
592 for extension_id in extensions_to_install {
593 this.update(&mut cx, |this, cx| {
594 this.install_latest_extension(extension_id.clone(), cx);
595 })
596 .ok();
597 }
598 })
599 .detach();
600 }
601
602 pub fn check_for_updates(&mut self, cx: &mut Context<Self>) {
603 let task = self.fetch_extensions_with_update_available(cx);
604 cx.spawn(move |this, mut cx| async move {
605 Self::upgrade_extensions(this, task.await?, &mut cx).await
606 })
607 .detach();
608 }
609
610 async fn upgrade_extensions(
611 this: WeakEntity<Self>,
612 extensions: Vec<ExtensionMetadata>,
613 cx: &mut AsyncApp,
614 ) -> Result<()> {
615 for extension in extensions {
616 let task = this.update(cx, |this, cx| {
617 if let Some(installed_extension) =
618 this.extension_index.extensions.get(&extension.id)
619 {
620 let installed_version =
621 SemanticVersion::from_str(&installed_extension.manifest.version).ok()?;
622 let latest_version =
623 SemanticVersion::from_str(&extension.manifest.version).ok()?;
624
625 if installed_version >= latest_version {
626 return None;
627 }
628 }
629
630 Some(this.upgrade_extension(extension.id, extension.manifest.version, cx))
631 })?;
632
633 if let Some(task) = task {
634 task.await.log_err();
635 }
636 }
637 anyhow::Ok(())
638 }
639
640 fn fetch_extensions_from_api(
641 &self,
642 path: &str,
643 query: &[(&str, &str)],
644 cx: &mut Context<'_, ExtensionStore>,
645 ) -> Task<Result<Vec<ExtensionMetadata>>> {
646 let url = self.http_client.build_zed_api_url(path, query);
647 let http_client = self.http_client.clone();
648 cx.spawn(move |_, _| async move {
649 let mut response = http_client
650 .get(url?.as_ref(), AsyncBody::empty(), true)
651 .await?;
652
653 let mut body = Vec::new();
654 response
655 .body_mut()
656 .read_to_end(&mut body)
657 .await
658 .context("error reading extensions")?;
659
660 if response.status().is_client_error() {
661 let text = String::from_utf8_lossy(body.as_slice());
662 bail!(
663 "status error {}, response: {text:?}",
664 response.status().as_u16()
665 );
666 }
667
668 let response: GetExtensionsResponse = serde_json::from_slice(&body)?;
669 Ok(response.data)
670 })
671 }
672
673 pub fn install_extension(
674 &mut self,
675 extension_id: Arc<str>,
676 version: Arc<str>,
677 cx: &mut Context<Self>,
678 ) {
679 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Install, cx)
680 .detach_and_log_err(cx);
681 }
682
683 fn install_or_upgrade_extension_at_endpoint(
684 &mut self,
685 extension_id: Arc<str>,
686 url: Url,
687 operation: ExtensionOperation,
688 cx: &mut Context<Self>,
689 ) -> Task<Result<()>> {
690 let extension_dir = self.installed_dir.join(extension_id.as_ref());
691 let http_client = self.http_client.clone();
692 let fs = self.fs.clone();
693
694 match self.outstanding_operations.entry(extension_id.clone()) {
695 btree_map::Entry::Occupied(_) => return Task::ready(Ok(())),
696 btree_map::Entry::Vacant(e) => e.insert(operation),
697 };
698 cx.notify();
699
700 cx.spawn(move |this, mut cx| async move {
701 let _finish = util::defer({
702 let this = this.clone();
703 let mut cx = cx.clone();
704 let extension_id = extension_id.clone();
705 move || {
706 this.update(&mut cx, |this, cx| {
707 this.outstanding_operations.remove(extension_id.as_ref());
708 cx.notify();
709 })
710 .ok();
711 }
712 });
713
714 let mut response = http_client
715 .get(url.as_ref(), Default::default(), true)
716 .await
717 .map_err(|err| anyhow!("error downloading extension: {}", err))?;
718
719 fs.remove_dir(
720 &extension_dir,
721 RemoveOptions {
722 recursive: true,
723 ignore_if_not_exists: true,
724 },
725 )
726 .await?;
727
728 let content_length = response
729 .headers()
730 .get(http_client::http::header::CONTENT_LENGTH)
731 .and_then(|value| value.to_str().ok()?.parse::<usize>().ok());
732
733 let mut body = BufReader::new(response.body_mut());
734 let mut tar_gz_bytes = Vec::new();
735 body.read_to_end(&mut tar_gz_bytes).await?;
736
737 if let Some(content_length) = content_length {
738 let actual_len = tar_gz_bytes.len();
739 if content_length != actual_len {
740 bail!("downloaded extension size {actual_len} does not match content length {content_length}");
741 }
742 }
743 let decompressed_bytes = GzipDecoder::new(BufReader::new(tar_gz_bytes.as_slice()));
744 let archive = Archive::new(decompressed_bytes);
745 archive.unpack(extension_dir).await?;
746 this.update(&mut cx, |this, cx| {
747 this.reload(Some(extension_id.clone()), cx)
748 })?
749 .await;
750
751 if let ExtensionOperation::Install = operation {
752 this.update(&mut cx, |_, cx| {
753 cx.emit(Event::ExtensionInstalled(extension_id));
754 })
755 .ok();
756 }
757
758 anyhow::Ok(())
759 })
760 }
761
762 pub fn install_latest_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
763 log::info!("installing extension {extension_id} latest version");
764
765 let schema_versions = schema_version_range();
766 let wasm_api_versions = wasm_api_version_range(ReleaseChannel::global(cx));
767
768 let Some(url) = self
769 .http_client
770 .build_zed_api_url(
771 &format!("/extensions/{extension_id}/download"),
772 &[
773 ("min_schema_version", &schema_versions.start().to_string()),
774 ("max_schema_version", &schema_versions.end().to_string()),
775 (
776 "min_wasm_api_version",
777 &wasm_api_versions.start().to_string(),
778 ),
779 ("max_wasm_api_version", &wasm_api_versions.end().to_string()),
780 ],
781 )
782 .log_err()
783 else {
784 return;
785 };
786
787 self.install_or_upgrade_extension_at_endpoint(
788 extension_id,
789 url,
790 ExtensionOperation::Install,
791 cx,
792 )
793 .detach_and_log_err(cx);
794 }
795
796 pub fn upgrade_extension(
797 &mut self,
798 extension_id: Arc<str>,
799 version: Arc<str>,
800 cx: &mut Context<Self>,
801 ) -> Task<Result<()>> {
802 self.install_or_upgrade_extension(extension_id, version, ExtensionOperation::Upgrade, cx)
803 }
804
805 fn install_or_upgrade_extension(
806 &mut self,
807 extension_id: Arc<str>,
808 version: Arc<str>,
809 operation: ExtensionOperation,
810 cx: &mut Context<Self>,
811 ) -> Task<Result<()>> {
812 log::info!("installing extension {extension_id} {version}");
813 let Some(url) = self
814 .http_client
815 .build_zed_api_url(
816 &format!("/extensions/{extension_id}/{version}/download"),
817 &[],
818 )
819 .log_err()
820 else {
821 return Task::ready(Ok(()));
822 };
823
824 self.install_or_upgrade_extension_at_endpoint(extension_id, url, operation, cx)
825 }
826
827 pub fn uninstall_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
828 let extension_dir = self.installed_dir.join(extension_id.as_ref());
829 let work_dir = self.wasm_host.work_dir.join(extension_id.as_ref());
830 let fs = self.fs.clone();
831
832 match self.outstanding_operations.entry(extension_id.clone()) {
833 btree_map::Entry::Occupied(_) => return,
834 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Remove),
835 };
836
837 cx.spawn(move |this, mut cx| async move {
838 let _finish = util::defer({
839 let this = this.clone();
840 let mut cx = cx.clone();
841 let extension_id = extension_id.clone();
842 move || {
843 this.update(&mut cx, |this, cx| {
844 this.outstanding_operations.remove(extension_id.as_ref());
845 cx.notify();
846 })
847 .ok();
848 }
849 });
850
851 fs.remove_dir(
852 &work_dir,
853 RemoveOptions {
854 recursive: true,
855 ignore_if_not_exists: true,
856 },
857 )
858 .await?;
859
860 fs.remove_dir(
861 &extension_dir,
862 RemoveOptions {
863 recursive: true,
864 ignore_if_not_exists: true,
865 },
866 )
867 .await?;
868
869 this.update(&mut cx, |this, cx| this.reload(None, cx))?
870 .await;
871 anyhow::Ok(())
872 })
873 .detach_and_log_err(cx)
874 }
875
876 pub fn install_dev_extension(
877 &mut self,
878 extension_source_path: PathBuf,
879 cx: &mut Context<Self>,
880 ) -> Task<Result<()>> {
881 let extensions_dir = self.extensions_dir();
882 let fs = self.fs.clone();
883 let builder = self.builder.clone();
884
885 cx.spawn(move |this, mut cx| async move {
886 let mut extension_manifest =
887 ExtensionManifest::load(fs.clone(), &extension_source_path).await?;
888 let extension_id = extension_manifest.id.clone();
889
890 if !this.update(&mut cx, |this, cx| {
891 match this.outstanding_operations.entry(extension_id.clone()) {
892 btree_map::Entry::Occupied(_) => return false,
893 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Remove),
894 };
895 cx.notify();
896 true
897 })? {
898 return Ok(());
899 }
900
901 let _finish = util::defer({
902 let this = this.clone();
903 let mut cx = cx.clone();
904 let extension_id = extension_id.clone();
905 move || {
906 this.update(&mut cx, |this, cx| {
907 this.outstanding_operations.remove(extension_id.as_ref());
908 cx.notify();
909 })
910 .ok();
911 }
912 });
913
914 cx.background_spawn({
915 let extension_source_path = extension_source_path.clone();
916 async move {
917 builder
918 .compile_extension(
919 &extension_source_path,
920 &mut extension_manifest,
921 CompileExtensionOptions { release: false },
922 )
923 .await
924 }
925 })
926 .await?;
927
928 let output_path = &extensions_dir.join(extension_id.as_ref());
929 if let Some(metadata) = fs.metadata(output_path).await? {
930 if metadata.is_symlink {
931 fs.remove_file(
932 output_path,
933 RemoveOptions {
934 recursive: false,
935 ignore_if_not_exists: true,
936 },
937 )
938 .await?;
939 } else {
940 bail!("extension {extension_id} is already installed");
941 }
942 }
943
944 fs.create_symlink(output_path, extension_source_path)
945 .await?;
946
947 this.update(&mut cx, |this, cx| this.reload(None, cx))?
948 .await;
949 Ok(())
950 })
951 }
952
953 pub fn rebuild_dev_extension(&mut self, extension_id: Arc<str>, cx: &mut Context<Self>) {
954 let path = self.installed_dir.join(extension_id.as_ref());
955 let builder = self.builder.clone();
956 let fs = self.fs.clone();
957
958 match self.outstanding_operations.entry(extension_id.clone()) {
959 btree_map::Entry::Occupied(_) => return,
960 btree_map::Entry::Vacant(e) => e.insert(ExtensionOperation::Upgrade),
961 };
962
963 cx.notify();
964 let compile = cx.background_spawn(async move {
965 let mut manifest = ExtensionManifest::load(fs, &path).await?;
966 builder
967 .compile_extension(
968 &path,
969 &mut manifest,
970 CompileExtensionOptions { release: true },
971 )
972 .await
973 });
974
975 cx.spawn(|this, mut cx| async move {
976 let result = compile.await;
977
978 this.update(&mut cx, |this, cx| {
979 this.outstanding_operations.remove(&extension_id);
980 cx.notify();
981 })?;
982
983 if result.is_ok() {
984 this.update(&mut cx, |this, cx| this.reload(Some(extension_id), cx))?
985 .await;
986 }
987
988 result
989 })
990 .detach_and_log_err(cx)
991 }
992
993 /// Updates the set of installed extensions.
994 ///
995 /// First, this unloads any themes, languages, or grammars that are
996 /// no longer in the manifest, or whose files have changed on disk.
997 /// Then it loads any themes, languages, or grammars that are newly
998 /// added to the manifest, or whose files have changed on disk.
999 fn extensions_updated(
1000 &mut self,
1001 new_index: ExtensionIndex,
1002 cx: &mut Context<Self>,
1003 ) -> Task<()> {
1004 let old_index = &self.extension_index;
1005
1006 // Determine which extensions need to be loaded and unloaded, based
1007 // on the changes to the manifest and the extensions that we know have been
1008 // modified.
1009 let mut extensions_to_unload = Vec::default();
1010 let mut extensions_to_load = Vec::default();
1011 {
1012 let mut old_keys = old_index.extensions.iter().peekable();
1013 let mut new_keys = new_index.extensions.iter().peekable();
1014 loop {
1015 match (old_keys.peek(), new_keys.peek()) {
1016 (None, None) => break,
1017 (None, Some(_)) => {
1018 extensions_to_load.push(new_keys.next().unwrap().0.clone());
1019 }
1020 (Some(_), None) => {
1021 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
1022 }
1023 (Some((old_key, _)), Some((new_key, _))) => match old_key.cmp(new_key) {
1024 Ordering::Equal => {
1025 let (old_key, old_value) = old_keys.next().unwrap();
1026 let (new_key, new_value) = new_keys.next().unwrap();
1027 if old_value != new_value || self.modified_extensions.contains(old_key)
1028 {
1029 extensions_to_unload.push(old_key.clone());
1030 extensions_to_load.push(new_key.clone());
1031 }
1032 }
1033 Ordering::Less => {
1034 extensions_to_unload.push(old_keys.next().unwrap().0.clone());
1035 }
1036 Ordering::Greater => {
1037 extensions_to_load.push(new_keys.next().unwrap().0.clone());
1038 }
1039 },
1040 }
1041 }
1042 self.modified_extensions.clear();
1043 }
1044
1045 if extensions_to_load.is_empty() && extensions_to_unload.is_empty() {
1046 return Task::ready(());
1047 }
1048
1049 let reload_count = extensions_to_unload
1050 .iter()
1051 .filter(|id| extensions_to_load.contains(id))
1052 .count();
1053
1054 log::info!(
1055 "extensions updated. loading {}, reloading {}, unloading {}",
1056 extensions_to_load.len() - reload_count,
1057 reload_count,
1058 extensions_to_unload.len() - reload_count
1059 );
1060
1061 for extension_id in &extensions_to_load {
1062 if let Some(extension) = new_index.extensions.get(extension_id) {
1063 telemetry::event!(
1064 "Extension Loaded",
1065 extension_id,
1066 version = extension.manifest.version
1067 );
1068 }
1069 }
1070
1071 let themes_to_remove = old_index
1072 .themes
1073 .iter()
1074 .filter_map(|(name, entry)| {
1075 if extensions_to_unload.contains(&entry.extension) {
1076 Some(name.clone().into())
1077 } else {
1078 None
1079 }
1080 })
1081 .collect::<Vec<_>>();
1082 let icon_themes_to_remove = old_index
1083 .icon_themes
1084 .iter()
1085 .filter_map(|(name, entry)| {
1086 if extensions_to_unload.contains(&entry.extension) {
1087 Some(name.clone().into())
1088 } else {
1089 None
1090 }
1091 })
1092 .collect::<Vec<_>>();
1093 let languages_to_remove = old_index
1094 .languages
1095 .iter()
1096 .filter_map(|(name, entry)| {
1097 if extensions_to_unload.contains(&entry.extension) {
1098 Some(name.clone())
1099 } else {
1100 None
1101 }
1102 })
1103 .collect::<Vec<_>>();
1104 let mut grammars_to_remove = Vec::new();
1105 for extension_id in &extensions_to_unload {
1106 let Some(extension) = old_index.extensions.get(extension_id) else {
1107 continue;
1108 };
1109 grammars_to_remove.extend(extension.manifest.grammars.keys().cloned());
1110 for (language_server_name, config) in extension.manifest.language_servers.iter() {
1111 for language in config.languages() {
1112 self.proxy
1113 .remove_language_server(&language, language_server_name);
1114 }
1115 }
1116 }
1117
1118 self.wasm_extensions
1119 .retain(|(extension, _)| !extensions_to_unload.contains(&extension.id));
1120 self.proxy.remove_user_themes(themes_to_remove);
1121 self.proxy.remove_icon_themes(icon_themes_to_remove);
1122 self.proxy
1123 .remove_languages(&languages_to_remove, &grammars_to_remove);
1124
1125 let languages_to_add = new_index
1126 .languages
1127 .iter()
1128 .filter(|(_, entry)| extensions_to_load.contains(&entry.extension))
1129 .collect::<Vec<_>>();
1130 let mut grammars_to_add = Vec::new();
1131 let mut themes_to_add = Vec::new();
1132 let mut icon_themes_to_add = Vec::new();
1133 let mut snippets_to_add = Vec::new();
1134 for extension_id in &extensions_to_load {
1135 let Some(extension) = new_index.extensions.get(extension_id) else {
1136 continue;
1137 };
1138
1139 grammars_to_add.extend(extension.manifest.grammars.keys().map(|grammar_name| {
1140 let mut grammar_path = self.installed_dir.clone();
1141 grammar_path.extend([extension_id.as_ref(), "grammars"]);
1142 grammar_path.push(grammar_name.as_ref());
1143 grammar_path.set_extension("wasm");
1144 (grammar_name.clone(), grammar_path)
1145 }));
1146 themes_to_add.extend(extension.manifest.themes.iter().map(|theme_path| {
1147 let mut path = self.installed_dir.clone();
1148 path.extend([Path::new(extension_id.as_ref()), theme_path.as_path()]);
1149 path
1150 }));
1151 icon_themes_to_add.extend(extension.manifest.icon_themes.iter().map(
1152 |icon_theme_path| {
1153 let mut path = self.installed_dir.clone();
1154 path.extend([Path::new(extension_id.as_ref()), icon_theme_path.as_path()]);
1155
1156 let mut icons_root_path = self.installed_dir.clone();
1157 icons_root_path.extend([Path::new(extension_id.as_ref())]);
1158
1159 (path, icons_root_path)
1160 },
1161 ));
1162 snippets_to_add.extend(extension.manifest.snippets.iter().map(|snippets_path| {
1163 let mut path = self.installed_dir.clone();
1164 path.extend([Path::new(extension_id.as_ref()), snippets_path.as_path()]);
1165 path
1166 }));
1167 }
1168
1169 self.proxy.register_grammars(grammars_to_add);
1170
1171 for (language_name, language) in languages_to_add {
1172 let mut language_path = self.installed_dir.clone();
1173 language_path.extend([
1174 Path::new(language.extension.as_ref()),
1175 language.path.as_path(),
1176 ]);
1177 self.proxy.register_language(
1178 language_name.clone(),
1179 language.grammar.clone(),
1180 language.matcher.clone(),
1181 language.hidden,
1182 Arc::new(move || {
1183 let config = std::fs::read_to_string(language_path.join("config.toml"))?;
1184 let config: LanguageConfig = ::toml::from_str(&config)?;
1185 let queries = load_plugin_queries(&language_path);
1186 let context_provider =
1187 std::fs::read_to_string(language_path.join("tasks.json"))
1188 .ok()
1189 .and_then(|contents| {
1190 let definitions =
1191 serde_json_lenient::from_str(&contents).log_err()?;
1192 Some(Arc::new(ContextProviderWithTasks::new(definitions)) as Arc<_>)
1193 });
1194
1195 Ok(LoadedLanguage {
1196 config,
1197 queries,
1198 context_provider,
1199 toolchain_provider: None,
1200 })
1201 }),
1202 );
1203 }
1204
1205 let fs = self.fs.clone();
1206 let wasm_host = self.wasm_host.clone();
1207 let root_dir = self.installed_dir.clone();
1208 let proxy = self.proxy.clone();
1209 let extension_entries = extensions_to_load
1210 .iter()
1211 .filter_map(|name| new_index.extensions.get(name).cloned())
1212 .collect::<Vec<_>>();
1213
1214 self.extension_index = new_index;
1215 cx.notify();
1216 ExtensionEvents::global(cx).update(cx, |this, cx| {
1217 this.emit(extension::Event::ExtensionsUpdated, cx)
1218 });
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}