1mod extension_lsp_adapter;
2mod wasm_host;
3
4#[cfg(test)]
5mod extension_store_test;
6
7use anyhow::{anyhow, bail, Context as _, Result};
8use async_compression::futures::bufread::GzipDecoder;
9use async_tar::Archive;
10use collections::{BTreeMap, HashSet};
11use fs::{Fs, RemoveOptions};
12use futures::{channel::mpsc::unbounded, io::BufReader, AsyncReadExt as _, StreamExt as _};
13use gpui::{actions, AppContext, Context, Global, Model, ModelContext, Task};
14use language::{
15 LanguageConfig, LanguageMatcher, LanguageQueries, LanguageRegistry, LanguageServerName,
16 QUERY_FILENAME_PREFIXES,
17};
18use node_runtime::NodeRuntime;
19use serde::{Deserialize, Serialize};
20use std::{
21 cmp::Ordering,
22 ffi::OsStr,
23 path::{self, Path, PathBuf},
24 sync::Arc,
25 time::Duration,
26};
27use theme::{ThemeRegistry, ThemeSettings};
28use util::{
29 http::{AsyncBody, HttpClient, HttpClientWithUrl},
30 paths::EXTENSIONS_DIR,
31 ResultExt, TryFutureExt,
32};
33use wasm_host::{WasmExtension, WasmHost};
34
35use crate::{extension_lsp_adapter::ExtensionLspAdapter, wasm_host::wit};
36
37#[derive(Deserialize)]
38pub struct ExtensionsApiResponse {
39 pub data: Vec<ExtensionApiResponse>,
40}
41
42#[derive(Clone, Deserialize)]
43pub struct ExtensionApiResponse {
44 pub id: Arc<str>,
45 pub name: String,
46 pub version: Arc<str>,
47 pub description: Option<String>,
48 pub authors: Vec<String>,
49 pub repository: String,
50 pub download_count: usize,
51}
52
53/// This is the old version of the extension manifest, from when it was `extension.json`.
54#[derive(Clone, PartialEq, Eq, Debug, Deserialize, Serialize)]
55pub struct OldExtensionManifest {
56 pub name: String,
57 pub version: Arc<str>,
58
59 #[serde(default)]
60 pub description: Option<String>,
61 #[serde(default)]
62 pub repository: Option<String>,
63 #[serde(default)]
64 pub authors: Vec<String>,
65
66 #[serde(default)]
67 pub themes: BTreeMap<Arc<str>, PathBuf>,
68 #[serde(default)]
69 pub languages: BTreeMap<Arc<str>, PathBuf>,
70 #[serde(default)]
71 pub grammars: BTreeMap<Arc<str>, PathBuf>,
72}
73
74#[derive(Clone, PartialEq, Eq, Debug, Deserialize, Serialize)]
75pub struct ExtensionManifest {
76 pub id: Arc<str>,
77 pub name: String,
78 pub version: Arc<str>,
79
80 #[serde(default)]
81 pub description: Option<String>,
82 #[serde(default)]
83 pub repository: Option<String>,
84 #[serde(default)]
85 pub authors: Vec<String>,
86 #[serde(default)]
87 pub lib: LibManifestEntry,
88
89 #[serde(default)]
90 pub themes: Vec<PathBuf>,
91 #[serde(default)]
92 pub languages: Vec<PathBuf>,
93 #[serde(default)]
94 pub grammars: BTreeMap<Arc<str>, GrammarManifestEntry>,
95 #[serde(default)]
96 pub language_servers: BTreeMap<LanguageServerName, LanguageServerManifestEntry>,
97}
98
99#[derive(Clone, Default, PartialEq, Eq, Debug, Deserialize, Serialize)]
100pub struct LibManifestEntry {
101 path: Option<PathBuf>,
102}
103
104#[derive(Clone, Default, PartialEq, Eq, Debug, Deserialize, Serialize)]
105pub struct GrammarManifestEntry {
106 repository: String,
107 #[serde(alias = "commit")]
108 rev: String,
109}
110
111#[derive(Clone, PartialEq, Eq, Debug, Deserialize, Serialize)]
112pub struct LanguageServerManifestEntry {
113 language: Arc<str>,
114}
115
116#[derive(Clone)]
117pub enum ExtensionStatus {
118 NotInstalled,
119 Installing,
120 Upgrading,
121 Installed(Arc<str>),
122 Removing,
123}
124
125impl ExtensionStatus {
126 pub fn is_installing(&self) -> bool {
127 matches!(self, Self::Installing)
128 }
129
130 pub fn is_upgrading(&self) -> bool {
131 matches!(self, Self::Upgrading)
132 }
133
134 pub fn is_removing(&self) -> bool {
135 matches!(self, Self::Removing)
136 }
137}
138
139pub struct ExtensionStore {
140 extension_index: ExtensionIndex,
141 fs: Arc<dyn Fs>,
142 http_client: Arc<HttpClientWithUrl>,
143 extensions_dir: PathBuf,
144 extensions_being_installed: HashSet<Arc<str>>,
145 extensions_being_uninstalled: HashSet<Arc<str>>,
146 manifest_path: PathBuf,
147 language_registry: Arc<LanguageRegistry>,
148 theme_registry: Arc<ThemeRegistry>,
149 modified_extensions: HashSet<Arc<str>>,
150 wasm_host: Arc<WasmHost>,
151 wasm_extensions: Vec<(Arc<ExtensionManifest>, WasmExtension)>,
152 reload_task: Option<Task<Option<()>>>,
153 needs_reload: bool,
154 _watch_extensions_dir: [Task<()>; 2],
155}
156
157struct GlobalExtensionStore(Model<ExtensionStore>);
158
159impl Global for GlobalExtensionStore {}
160
161#[derive(Debug, Deserialize, Serialize, Default, PartialEq, Eq)]
162pub struct ExtensionIndex {
163 pub extensions: BTreeMap<Arc<str>, Arc<ExtensionManifest>>,
164 pub themes: BTreeMap<Arc<str>, ExtensionIndexEntry>,
165 pub languages: BTreeMap<Arc<str>, ExtensionIndexLanguageEntry>,
166}
167
168#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
169pub struct ExtensionIndexEntry {
170 extension: Arc<str>,
171 path: PathBuf,
172}
173
174#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
175pub struct ExtensionIndexLanguageEntry {
176 extension: Arc<str>,
177 path: PathBuf,
178 matcher: LanguageMatcher,
179 grammar: Option<Arc<str>>,
180}
181
182actions!(zed, [ReloadExtensions]);
183
184pub fn init(
185 fs: Arc<fs::RealFs>,
186 http_client: Arc<HttpClientWithUrl>,
187 node_runtime: Arc<dyn NodeRuntime>,
188 language_registry: Arc<LanguageRegistry>,
189 theme_registry: Arc<ThemeRegistry>,
190 cx: &mut AppContext,
191) {
192 let store = cx.new_model(move |cx| {
193 ExtensionStore::new(
194 EXTENSIONS_DIR.clone(),
195 fs,
196 http_client,
197 node_runtime,
198 language_registry,
199 theme_registry,
200 cx,
201 )
202 });
203
204 cx.on_action(|_: &ReloadExtensions, cx| {
205 let store = cx.global::<GlobalExtensionStore>().0.clone();
206 store.update(cx, |store, cx| store.reload(cx))
207 });
208
209 cx.set_global(GlobalExtensionStore(store));
210}
211
212impl ExtensionStore {
213 pub fn global(cx: &AppContext) -> Model<Self> {
214 cx.global::<GlobalExtensionStore>().0.clone()
215 }
216
217 pub fn new(
218 extensions_dir: PathBuf,
219 fs: Arc<dyn Fs>,
220 http_client: Arc<HttpClientWithUrl>,
221 node_runtime: Arc<dyn NodeRuntime>,
222 language_registry: Arc<LanguageRegistry>,
223 theme_registry: Arc<ThemeRegistry>,
224 cx: &mut ModelContext<Self>,
225 ) -> Self {
226 let mut this = Self {
227 extension_index: Default::default(),
228 extensions_dir: extensions_dir.join("installed"),
229 manifest_path: extensions_dir.join("manifest.json"),
230 extensions_being_installed: Default::default(),
231 extensions_being_uninstalled: Default::default(),
232 reload_task: None,
233 wasm_host: WasmHost::new(
234 fs.clone(),
235 http_client.clone(),
236 node_runtime,
237 language_registry.clone(),
238 extensions_dir.join("work"),
239 ),
240 wasm_extensions: Vec::new(),
241 needs_reload: false,
242 modified_extensions: Default::default(),
243 fs,
244 http_client,
245 language_registry,
246 theme_registry,
247 _watch_extensions_dir: [Task::ready(()), Task::ready(())],
248 };
249 this._watch_extensions_dir = this.watch_extensions_dir(cx);
250 this.load(cx);
251 this
252 }
253
254 pub fn load(&mut self, cx: &mut ModelContext<Self>) {
255 let (manifest_content, manifest_metadata, extensions_metadata) =
256 cx.background_executor().block(async {
257 futures::join!(
258 self.fs.load(&self.manifest_path),
259 self.fs.metadata(&self.manifest_path),
260 self.fs.metadata(&self.extensions_dir),
261 )
262 });
263
264 if let Some(manifest_content) = manifest_content.log_err() {
265 if let Some(manifest) = serde_json::from_str(&manifest_content).log_err() {
266 // TODO: don't detach
267 self.extensions_updated(manifest, cx).detach();
268 }
269 }
270
271 let should_reload = if let (Ok(Some(manifest_metadata)), Ok(Some(extensions_metadata))) =
272 (manifest_metadata, extensions_metadata)
273 {
274 extensions_metadata.mtime > manifest_metadata.mtime
275 } else {
276 true
277 };
278
279 if should_reload {
280 self.reload(cx)
281 }
282 }
283
284 pub fn extensions_dir(&self) -> PathBuf {
285 self.extensions_dir.clone()
286 }
287
288 pub fn extension_status(&self, extension_id: &str) -> ExtensionStatus {
289 let is_uninstalling = self.extensions_being_uninstalled.contains(extension_id);
290 if is_uninstalling {
291 return ExtensionStatus::Removing;
292 }
293
294 let installed_version = self
295 .extension_index
296 .extensions
297 .get(extension_id)
298 .map(|manifest| manifest.version.clone());
299 let is_installing = self.extensions_being_installed.contains(extension_id);
300 match (installed_version, is_installing) {
301 (Some(_), true) => ExtensionStatus::Upgrading,
302 (Some(version), false) => ExtensionStatus::Installed(version),
303 (None, true) => ExtensionStatus::Installing,
304 (None, false) => ExtensionStatus::NotInstalled,
305 }
306 }
307
308 pub fn fetch_extensions(
309 &self,
310 search: Option<&str>,
311 cx: &mut ModelContext<Self>,
312 ) -> Task<Result<Vec<ExtensionApiResponse>>> {
313 let url = self.http_client.build_zed_api_url(&format!(
314 "/extensions{query}",
315 query = search
316 .map(|search| format!("?filter={search}"))
317 .unwrap_or_default()
318 ));
319 let http_client = self.http_client.clone();
320 cx.spawn(move |_, _| async move {
321 let mut response = http_client.get(&url, AsyncBody::empty(), true).await?;
322
323 let mut body = Vec::new();
324 response
325 .body_mut()
326 .read_to_end(&mut body)
327 .await
328 .context("error reading extensions")?;
329
330 if response.status().is_client_error() {
331 let text = String::from_utf8_lossy(body.as_slice());
332 bail!(
333 "status error {}, response: {text:?}",
334 response.status().as_u16()
335 );
336 }
337
338 let response: ExtensionsApiResponse = serde_json::from_slice(&body)?;
339
340 Ok(response.data)
341 })
342 }
343
344 pub fn install_extension(
345 &mut self,
346 extension_id: Arc<str>,
347 version: Arc<str>,
348 cx: &mut ModelContext<Self>,
349 ) {
350 log::info!("installing extension {extension_id} {version}");
351 let url = self
352 .http_client
353 .build_zed_api_url(&format!("/extensions/{extension_id}/{version}/download"));
354
355 let extensions_dir = self.extensions_dir();
356 let http_client = self.http_client.clone();
357
358 self.extensions_being_installed.insert(extension_id.clone());
359
360 cx.spawn(move |this, mut cx| async move {
361 let mut response = http_client
362 .get(&url, Default::default(), true)
363 .await
364 .map_err(|err| anyhow!("error downloading extension: {}", err))?;
365 let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
366 let archive = Archive::new(decompressed_bytes);
367 archive
368 .unpack(extensions_dir.join(extension_id.as_ref()))
369 .await?;
370
371 this.update(&mut cx, |this, cx| {
372 this.extensions_being_installed
373 .remove(extension_id.as_ref());
374 this.reload(cx)
375 })
376 })
377 .detach_and_log_err(cx);
378 }
379
380 pub fn uninstall_extension(&mut self, extension_id: Arc<str>, cx: &mut ModelContext<Self>) {
381 let extensions_dir = self.extensions_dir();
382 let fs = self.fs.clone();
383
384 self.extensions_being_uninstalled
385 .insert(extension_id.clone());
386
387 cx.spawn(move |this, mut cx| async move {
388 fs.remove_dir(
389 &extensions_dir.join(extension_id.as_ref()),
390 RemoveOptions {
391 recursive: true,
392 ignore_if_not_exists: true,
393 },
394 )
395 .await?;
396
397 this.update(&mut cx, |this, cx| {
398 this.extensions_being_uninstalled
399 .remove(extension_id.as_ref());
400 this.reload(cx)
401 })
402 })
403 .detach_and_log_err(cx)
404 }
405
406 /// Updates the set of installed extensions.
407 ///
408 /// First, this unloads any themes, languages, or grammars that are
409 /// no longer in the manifest, or whose files have changed on disk.
410 /// Then it loads any themes, languages, or grammars that are newly
411 /// added to the manifest, or whose files have changed on disk.
412 fn extensions_updated(
413 &mut self,
414 new_index: ExtensionIndex,
415 cx: &mut ModelContext<Self>,
416 ) -> Task<Result<()>> {
417 fn diff<'a, T, I1, I2>(
418 old_keys: I1,
419 new_keys: I2,
420 modified_keys: &HashSet<Arc<str>>,
421 ) -> (Vec<Arc<str>>, Vec<Arc<str>>)
422 where
423 T: PartialEq,
424 I1: Iterator<Item = (&'a Arc<str>, T)>,
425 I2: Iterator<Item = (&'a Arc<str>, T)>,
426 {
427 let mut removed_keys = Vec::default();
428 let mut added_keys = Vec::default();
429 let mut old_keys = old_keys.peekable();
430 let mut new_keys = new_keys.peekable();
431 loop {
432 match (old_keys.peek(), new_keys.peek()) {
433 (None, None) => return (removed_keys, added_keys),
434 (None, Some(_)) => {
435 added_keys.push(new_keys.next().unwrap().0.clone());
436 }
437 (Some(_), None) => {
438 removed_keys.push(old_keys.next().unwrap().0.clone());
439 }
440 (Some((old_key, _)), Some((new_key, _))) => match old_key.cmp(&new_key) {
441 Ordering::Equal => {
442 let (old_key, old_value) = old_keys.next().unwrap();
443 let (new_key, new_value) = new_keys.next().unwrap();
444 if old_value != new_value || modified_keys.contains(old_key) {
445 removed_keys.push(old_key.clone());
446 added_keys.push(new_key.clone());
447 }
448 }
449 Ordering::Less => {
450 removed_keys.push(old_keys.next().unwrap().0.clone());
451 }
452 Ordering::Greater => {
453 added_keys.push(new_keys.next().unwrap().0.clone());
454 }
455 },
456 }
457 }
458 }
459
460 let old_index = &self.extension_index;
461 let (extensions_to_unload, extensions_to_load) = diff(
462 old_index.extensions.iter(),
463 new_index.extensions.iter(),
464 &self.modified_extensions,
465 );
466 self.modified_extensions.clear();
467
468 let themes_to_remove = old_index
469 .themes
470 .iter()
471 .filter_map(|(name, entry)| {
472 if extensions_to_unload.contains(&entry.extension) {
473 Some(name.clone().into())
474 } else {
475 None
476 }
477 })
478 .collect::<Vec<_>>();
479 let languages_to_remove = old_index
480 .languages
481 .iter()
482 .filter_map(|(name, entry)| {
483 if extensions_to_unload.contains(&entry.extension) {
484 Some(name.clone())
485 } else {
486 None
487 }
488 })
489 .collect::<Vec<_>>();
490 let empty = Default::default();
491 let grammars_to_remove = extensions_to_unload
492 .iter()
493 .flat_map(|extension_id| {
494 old_index
495 .extensions
496 .get(extension_id)
497 .map_or(&empty, |extension| &extension.grammars)
498 .keys()
499 .cloned()
500 })
501 .collect::<Vec<_>>();
502
503 self.wasm_extensions
504 .retain(|(extension, _)| !extensions_to_unload.contains(&extension.id));
505
506 for extension_id in &extensions_to_unload {
507 if let Some(extension) = old_index.extensions.get(extension_id) {
508 for (language_server_name, config) in extension.language_servers.iter() {
509 self.language_registry
510 .remove_lsp_adapter(config.language.as_ref(), language_server_name);
511 }
512 }
513 }
514
515 self.theme_registry.remove_user_themes(&themes_to_remove);
516 self.language_registry
517 .remove_languages(&languages_to_remove, &grammars_to_remove);
518
519 let languages_to_add = new_index
520 .languages
521 .iter()
522 .filter(|(_, entry)| extensions_to_load.contains(&entry.extension))
523 .collect::<Vec<_>>();
524 let mut grammars_to_add = Vec::new();
525 let mut themes_to_add = Vec::new();
526 for extension_id in &extensions_to_load {
527 let Some(extension) = new_index.extensions.get(extension_id) else {
528 continue;
529 };
530
531 grammars_to_add.extend(extension.grammars.keys().map(|grammar_name| {
532 let mut grammar_path = self.extensions_dir.clone();
533 grammar_path.extend([extension_id.as_ref(), "grammars"]);
534 grammar_path.push(grammar_name.as_ref());
535 grammar_path.set_extension("wasm");
536 (grammar_name.clone(), grammar_path)
537 }));
538 themes_to_add.extend(extension.themes.iter().map(|theme_path| {
539 let mut path = self.extensions_dir.clone();
540 path.extend([Path::new(extension_id.as_ref()), theme_path.as_path()]);
541 path
542 }));
543 }
544
545 self.language_registry
546 .register_wasm_grammars(grammars_to_add);
547
548 for (language_name, language) in languages_to_add {
549 let mut language_path = self.extensions_dir.clone();
550 language_path.extend([
551 Path::new(language.extension.as_ref()),
552 language.path.as_path(),
553 ]);
554 self.language_registry.register_language(
555 language_name.clone(),
556 language.grammar.clone(),
557 language.matcher.clone(),
558 None,
559 move || {
560 let config = std::fs::read_to_string(language_path.join("config.toml"))?;
561 let config: LanguageConfig = ::toml::from_str(&config)?;
562 let queries = load_plugin_queries(&language_path);
563 Ok((config, queries))
564 },
565 );
566 }
567
568 let fs = self.fs.clone();
569 let wasm_host = self.wasm_host.clone();
570 let root_dir = self.extensions_dir.clone();
571 let theme_registry = self.theme_registry.clone();
572 let extension_manifests = extensions_to_load
573 .iter()
574 .filter_map(|name| new_index.extensions.get(name).cloned())
575 .collect::<Vec<_>>();
576
577 self.extension_index = new_index;
578 cx.notify();
579
580 cx.spawn(|this, mut cx| async move {
581 cx.background_executor()
582 .spawn({
583 let fs = fs.clone();
584 async move {
585 for theme_path in &themes_to_add {
586 theme_registry
587 .load_user_theme(&theme_path, fs.clone())
588 .await
589 .log_err();
590 }
591 }
592 })
593 .await;
594
595 let mut wasm_extensions = Vec::new();
596 for extension_manifest in extension_manifests {
597 let Some(wasm_path) = &extension_manifest.lib.path else {
598 continue;
599 };
600
601 let mut path = root_dir.clone();
602 path.extend([
603 Path::new(extension_manifest.id.as_ref()),
604 wasm_path.as_path(),
605 ]);
606 let mut wasm_file = fs
607 .open_sync(&path)
608 .await
609 .context("failed to open wasm file")?;
610 let mut wasm_bytes = Vec::new();
611 wasm_file
612 .read_to_end(&mut wasm_bytes)
613 .context("failed to read wasm")?;
614 let wasm_extension = wasm_host
615 .load_extension(
616 wasm_bytes,
617 extension_manifest.clone(),
618 cx.background_executor().clone(),
619 )
620 .await
621 .context("failed to load wasm extension")?;
622 wasm_extensions.push((extension_manifest.clone(), wasm_extension));
623 }
624
625 this.update(&mut cx, |this, cx| {
626 for (manifest, wasm_extension) in &wasm_extensions {
627 for (language_server_name, language_server_config) in &manifest.language_servers
628 {
629 this.language_registry.register_lsp_adapter(
630 language_server_config.language.clone(),
631 Arc::new(ExtensionLspAdapter {
632 extension: wasm_extension.clone(),
633 work_dir: this.wasm_host.work_dir.join(manifest.id.as_ref()),
634 config: wit::LanguageServerConfig {
635 name: language_server_name.0.to_string(),
636 language_name: language_server_config.language.to_string(),
637 },
638 }),
639 );
640 }
641 }
642 this.wasm_extensions.extend(wasm_extensions);
643 ThemeSettings::reload_current_theme(cx)
644 })
645 .ok();
646 Ok(())
647 })
648 }
649
650 fn watch_extensions_dir(&self, cx: &mut ModelContext<Self>) -> [Task<()>; 2] {
651 let fs = self.fs.clone();
652 let extensions_dir = self.extensions_dir.clone();
653 let (changed_extensions_tx, mut changed_extensions_rx) = unbounded();
654
655 let events_task = cx.background_executor().spawn(async move {
656 let mut events = fs.watch(&extensions_dir, Duration::from_millis(250)).await;
657 while let Some(events) = events.next().await {
658 for event in events {
659 let Ok(event_path) = event.path.strip_prefix(&extensions_dir) else {
660 continue;
661 };
662
663 if let Some(path::Component::Normal(extension_dir_name)) =
664 event_path.components().next()
665 {
666 if let Some(extension_id) = extension_dir_name.to_str() {
667 changed_extensions_tx
668 .unbounded_send(Arc::from(extension_id))
669 .ok();
670 }
671 }
672 }
673 }
674 });
675
676 let reload_task = cx.spawn(|this, mut cx| async move {
677 while let Some(changed_extension_id) = changed_extensions_rx.next().await {
678 if this
679 .update(&mut cx, |this, cx| {
680 this.modified_extensions.insert(changed_extension_id);
681 this.reload(cx);
682 })
683 .is_err()
684 {
685 break;
686 }
687 }
688 });
689
690 [events_task, reload_task]
691 }
692
693 fn reload(&mut self, cx: &mut ModelContext<Self>) {
694 if self.reload_task.is_some() {
695 self.needs_reload = true;
696 return;
697 }
698
699 let fs = self.fs.clone();
700 let work_dir = self.wasm_host.work_dir.clone();
701 let extensions_dir = self.extensions_dir.clone();
702 let manifest_path = self.manifest_path.clone();
703 self.needs_reload = false;
704 self.reload_task = Some(cx.spawn(|this, mut cx| {
705 async move {
706 let extension_index = cx
707 .background_executor()
708 .spawn(async move {
709 let mut index = ExtensionIndex::default();
710
711 fs.create_dir(&work_dir).await.log_err();
712 fs.create_dir(&extensions_dir).await.log_err();
713
714 let extension_paths = fs.read_dir(&extensions_dir).await;
715 if let Ok(mut extension_paths) = extension_paths {
716 while let Some(extension_dir) = extension_paths.next().await {
717 let Ok(extension_dir) = extension_dir else {
718 continue;
719 };
720 Self::add_extension_to_index(fs.clone(), extension_dir, &mut index)
721 .await
722 .log_err();
723 }
724 }
725
726 if let Ok(index_json) = serde_json::to_string_pretty(&index) {
727 fs.save(
728 &manifest_path,
729 &index_json.as_str().into(),
730 Default::default(),
731 )
732 .await
733 .context("failed to save extension manifest")
734 .log_err();
735 }
736
737 index
738 })
739 .await;
740
741 if let Ok(task) = this.update(&mut cx, |this, cx| {
742 this.extensions_updated(extension_index, cx)
743 }) {
744 task.await.log_err();
745 }
746
747 this.update(&mut cx, |this, cx| {
748 this.reload_task.take();
749 if this.needs_reload {
750 this.reload(cx);
751 }
752 })
753 }
754 .log_err()
755 }));
756 }
757
758 async fn add_extension_to_index(
759 fs: Arc<dyn Fs>,
760 extension_dir: PathBuf,
761 index: &mut ExtensionIndex,
762 ) -> Result<()> {
763 let extension_name = extension_dir
764 .file_name()
765 .and_then(OsStr::to_str)
766 .ok_or_else(|| anyhow!("invalid extension name"))?;
767
768 let mut extension_manifest_path = extension_dir.join("extension.json");
769 let mut extension_manifest;
770 if fs.is_file(&extension_manifest_path).await {
771 let manifest_content = fs
772 .load(&extension_manifest_path)
773 .await
774 .with_context(|| format!("failed to load {extension_name} extension.json"))?;
775 let manifest_json = serde_json::from_str::<OldExtensionManifest>(&manifest_content)
776 .with_context(|| {
777 format!("invalid extension.json for extension {extension_name}")
778 })?;
779
780 extension_manifest = ExtensionManifest {
781 id: extension_name.into(),
782 name: manifest_json.name,
783 version: manifest_json.version,
784 description: manifest_json.description,
785 repository: manifest_json.repository,
786 authors: manifest_json.authors,
787 lib: Default::default(),
788 themes: {
789 let mut themes = manifest_json.themes.into_values().collect::<Vec<_>>();
790 themes.sort();
791 themes.dedup();
792 themes
793 },
794 languages: {
795 let mut languages = manifest_json.languages.into_values().collect::<Vec<_>>();
796 languages.sort();
797 languages.dedup();
798 languages
799 },
800 grammars: manifest_json
801 .grammars
802 .into_keys()
803 .map(|grammar_name| (grammar_name, Default::default()))
804 .collect(),
805 language_servers: Default::default(),
806 };
807 } else {
808 extension_manifest_path.set_extension("toml");
809 let manifest_content = fs
810 .load(&extension_manifest_path)
811 .await
812 .with_context(|| format!("failed to load {extension_name} extension.toml"))?;
813 extension_manifest = ::toml::from_str(&manifest_content).with_context(|| {
814 format!("invalid extension.json for extension {extension_name}")
815 })?;
816 };
817
818 if let Ok(mut language_paths) = fs.read_dir(&extension_dir.join("languages")).await {
819 while let Some(language_path) = language_paths.next().await {
820 let language_path = language_path?;
821 let Ok(relative_path) = language_path.strip_prefix(&extension_dir) else {
822 continue;
823 };
824 let Ok(Some(fs_metadata)) = fs.metadata(&language_path).await else {
825 continue;
826 };
827 if !fs_metadata.is_dir {
828 continue;
829 }
830 let config = fs.load(&language_path.join("config.toml")).await?;
831 let config = ::toml::from_str::<LanguageConfig>(&config)?;
832
833 let relative_path = relative_path.to_path_buf();
834 if !extension_manifest.languages.contains(&relative_path) {
835 extension_manifest.languages.push(relative_path.clone());
836 }
837
838 index.languages.insert(
839 config.name.clone(),
840 ExtensionIndexLanguageEntry {
841 extension: extension_name.into(),
842 path: relative_path,
843 matcher: config.matcher,
844 grammar: config.grammar,
845 },
846 );
847 }
848 }
849
850 if let Ok(mut theme_paths) = fs.read_dir(&extension_dir.join("themes")).await {
851 while let Some(theme_path) = theme_paths.next().await {
852 let theme_path = theme_path?;
853 let Ok(relative_path) = theme_path.strip_prefix(&extension_dir) else {
854 continue;
855 };
856
857 let Some(theme_family) = ThemeRegistry::read_user_theme(&theme_path, fs.clone())
858 .await
859 .log_err()
860 else {
861 continue;
862 };
863
864 let relative_path = relative_path.to_path_buf();
865 if !extension_manifest.themes.contains(&relative_path) {
866 extension_manifest.themes.push(relative_path.clone());
867 }
868
869 for theme in theme_family.themes {
870 index.themes.insert(
871 theme.name.into(),
872 ExtensionIndexEntry {
873 extension: extension_name.into(),
874 path: relative_path.clone(),
875 },
876 );
877 }
878 }
879 }
880
881 let default_extension_wasm_path = extension_dir.join("extension.wasm");
882 if fs.is_file(&default_extension_wasm_path).await {
883 extension_manifest
884 .lib
885 .path
886 .get_or_insert(default_extension_wasm_path);
887 }
888
889 index
890 .extensions
891 .insert(extension_name.into(), Arc::new(extension_manifest));
892
893 Ok(())
894 }
895}
896
897fn load_plugin_queries(root_path: &Path) -> LanguageQueries {
898 let mut result = LanguageQueries::default();
899 if let Some(entries) = std::fs::read_dir(root_path).log_err() {
900 for entry in entries {
901 let Some(entry) = entry.log_err() else {
902 continue;
903 };
904 let path = entry.path();
905 if let Some(remainder) = path.strip_prefix(root_path).ok().and_then(|p| p.to_str()) {
906 if !remainder.ends_with(".scm") {
907 continue;
908 }
909 for (name, query) in QUERY_FILENAME_PREFIXES {
910 if remainder.starts_with(name) {
911 if let Some(contents) = std::fs::read_to_string(&path).log_err() {
912 match query(&mut result) {
913 None => *query(&mut result) = Some(contents.into()),
914 Some(r) => r.to_mut().push_str(contents.as_ref()),
915 }
916 }
917 break;
918 }
919 }
920 }
921 }
922 }
923 result
924}