1use crate::{
2 ExtensionLibraryKind, ExtensionManifest, GrammarManifestEntry, build_debug_adapter_schema_path,
3 parse_wasm_extension_version,
4};
5use ::fs::Fs;
6use anyhow::{Context as _, Result, bail};
7use futures::{StreamExt, io};
8use heck::ToSnakeCase;
9use http_client::{self, AsyncBody, HttpClient};
10use language::LanguageConfig;
11use serde::Deserialize;
12use std::{
13 env, fs, mem,
14 path::{Path, PathBuf},
15 str::FromStr,
16 sync::Arc,
17};
18use util::command::Stdio;
19use wasm_encoder::{ComponentSectionId, Encode as _, RawSection, Section as _};
20use wasmparser::Parser;
21
22/// Currently, we compile with Rust's `wasm32-wasip2` target, which works with WASI `preview2` and the component model.
23const RUST_TARGET: &str = "wasm32-wasip2";
24
25/// Compiling Tree-sitter parsers from C to WASM requires Clang 17, and a WASM build of libc
26/// and clang's runtime library. The `wasi-sdk` provides these binaries.
27///
28/// Once Clang 17 and its wasm target are available via system package managers, we won't need
29/// to download this.
30const WASI_SDK_URL: &str = "https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-25/";
31const WASI_SDK_ASSET_NAME: Option<&str> = if cfg!(all(target_os = "macos", target_arch = "x86_64"))
32{
33 Some("wasi-sdk-25.0-x86_64-macos.tar.gz")
34} else if cfg!(all(target_os = "macos", target_arch = "aarch64")) {
35 Some("wasi-sdk-25.0-arm64-macos.tar.gz")
36} else if cfg!(all(target_os = "linux", target_arch = "x86_64")) {
37 Some("wasi-sdk-25.0-x86_64-linux.tar.gz")
38} else if cfg!(all(target_os = "linux", target_arch = "aarch64")) {
39 Some("wasi-sdk-25.0-arm64-linux.tar.gz")
40} else if cfg!(all(target_os = "freebsd", target_arch = "x86_64")) {
41 Some("wasi-sdk-25.0-x86_64-linux.tar.gz")
42} else if cfg!(all(target_os = "freebsd", target_arch = "aarch64")) {
43 Some("wasi-sdk-25.0-arm64-linux.tar.gz")
44} else if cfg!(all(target_os = "windows", target_arch = "x86_64")) {
45 Some("wasi-sdk-25.0-x86_64-windows.tar.gz")
46} else {
47 None
48};
49
50pub struct ExtensionBuilder {
51 cache_dir: PathBuf,
52 pub http: Arc<dyn HttpClient>,
53}
54
55pub struct CompileExtensionOptions {
56 pub release: bool,
57}
58
59impl CompileExtensionOptions {
60 pub const fn dev() -> Self {
61 Self { release: false }
62 }
63}
64
65#[derive(Deserialize)]
66struct CargoToml {
67 package: CargoTomlPackage,
68}
69
70#[derive(Deserialize)]
71struct CargoTomlPackage {
72 name: String,
73}
74
75impl ExtensionBuilder {
76 pub fn new(http_client: Arc<dyn HttpClient>, cache_dir: PathBuf) -> Self {
77 Self {
78 cache_dir,
79 http: http_client,
80 }
81 }
82
83 pub async fn compile_extension(
84 &self,
85 extension_dir: &Path,
86 extension_manifest: &mut ExtensionManifest,
87 options: CompileExtensionOptions,
88 fs: Arc<dyn Fs>,
89 ) -> Result<()> {
90 populate_defaults(extension_manifest, extension_dir, fs).await?;
91
92 if extension_dir.is_relative() {
93 bail!(
94 "extension dir {} is not an absolute path",
95 extension_dir.display()
96 );
97 }
98
99 fs::create_dir_all(&self.cache_dir).context("failed to create cache dir")?;
100
101 if extension_manifest.lib.kind == Some(ExtensionLibraryKind::Rust) {
102 log::info!("compiling Rust extension {}", extension_dir.display());
103 self.compile_rust_extension(extension_dir, extension_manifest, options)
104 .await
105 .context("failed to compile Rust extension")?;
106 log::info!("compiled Rust extension {}", extension_dir.display());
107 }
108
109 for (debug_adapter_name, meta) in &mut extension_manifest.debug_adapters {
110 let debug_adapter_schema_path =
111 extension_dir.join(build_debug_adapter_schema_path(debug_adapter_name, meta));
112
113 let debug_adapter_schema = fs::read_to_string(&debug_adapter_schema_path)
114 .with_context(|| {
115 format!("failed to read debug adapter schema for `{debug_adapter_name}` from `{debug_adapter_schema_path:?}`")
116 })?;
117 _ = serde_json::Value::from_str(&debug_adapter_schema).with_context(|| {
118 format!("Debug adapter schema for `{debug_adapter_name}` (path: `{debug_adapter_schema_path:?}`) is not a valid JSON")
119 })?;
120 }
121 for (grammar_name, grammar_metadata) in &extension_manifest.grammars {
122 let snake_cased_grammar_name = grammar_name.to_snake_case();
123 if grammar_name.as_ref() != snake_cased_grammar_name.as_str() {
124 bail!(
125 "grammar name '{grammar_name}' must be written in snake_case: {snake_cased_grammar_name}"
126 );
127 }
128
129 log::info!(
130 "compiling grammar {grammar_name} for extension {}",
131 extension_dir.display()
132 );
133 self.compile_grammar(extension_dir, grammar_name.as_ref(), grammar_metadata)
134 .await
135 .with_context(|| format!("failed to compile grammar '{grammar_name}'"))?;
136 log::info!(
137 "compiled grammar {grammar_name} for extension {}",
138 extension_dir.display()
139 );
140 }
141
142 log::info!("finished compiling extension {}", extension_dir.display());
143 Ok(())
144 }
145
146 async fn compile_rust_extension(
147 &self,
148 extension_dir: &Path,
149 manifest: &mut ExtensionManifest,
150 options: CompileExtensionOptions,
151 ) -> anyhow::Result<()> {
152 self.install_rust_wasm_target_if_needed().await?;
153
154 let cargo_toml_content = fs::read_to_string(extension_dir.join("Cargo.toml"))?;
155 let cargo_toml: CargoToml = toml::from_str(&cargo_toml_content)?;
156
157 log::info!(
158 "compiling Rust crate for extension {}",
159 extension_dir.display()
160 );
161 let output = util::command::new_command("cargo")
162 .args(["build", "--target", RUST_TARGET])
163 .args(options.release.then_some("--release"))
164 .arg("--target-dir")
165 .arg(extension_dir.join("target"))
166 // WASI builds do not work with sccache and just stuck, so disable it.
167 .env("RUSTC_WRAPPER", "")
168 .current_dir(extension_dir)
169 .output()
170 .await
171 .context("failed to run `cargo`")?;
172 if !output.status.success() {
173 bail!(
174 "failed to build extension {}",
175 String::from_utf8_lossy(&output.stderr)
176 );
177 }
178
179 log::info!(
180 "compiled Rust crate for extension {}",
181 extension_dir.display()
182 );
183
184 let mut wasm_path = PathBuf::from(extension_dir);
185 wasm_path.extend([
186 "target",
187 RUST_TARGET,
188 if options.release { "release" } else { "debug" },
189 &cargo_toml
190 .package
191 .name
192 // The wasm32-wasip2 target normalizes `-` in package names to `_` in the resulting `.wasm` file.
193 .replace('-', "_"),
194 ]);
195 wasm_path.set_extension("wasm");
196
197 log::info!(
198 "encoding wasm component for extension {}",
199 extension_dir.display()
200 );
201
202 let component_bytes = fs::read(&wasm_path)
203 .with_context(|| format!("failed to read output module `{}`", wasm_path.display()))?;
204
205 let component_bytes = self
206 .strip_custom_sections(&component_bytes)
207 .context("failed to strip debug sections from wasm component")?;
208
209 let wasm_extension_api_version =
210 parse_wasm_extension_version(&manifest.id, &component_bytes)
211 .context("compiled wasm did not contain a valid zed extension api version")?;
212 manifest.lib.version = Some(wasm_extension_api_version);
213
214 let extension_file = extension_dir.join("extension.wasm");
215 fs::write(extension_file.clone(), &component_bytes)
216 .context("failed to write extension.wasm")?;
217
218 log::info!(
219 "extension {} written to {}",
220 extension_dir.display(),
221 extension_file.display()
222 );
223
224 Ok(())
225 }
226
227 async fn compile_grammar(
228 &self,
229 extension_dir: &Path,
230 grammar_name: &str,
231 grammar_metadata: &GrammarManifestEntry,
232 ) -> Result<()> {
233 let clang_path = self.install_wasi_sdk_if_needed().await?;
234
235 let mut grammar_repo_dir = extension_dir.to_path_buf();
236 grammar_repo_dir.extend(["grammars", grammar_name]);
237
238 let mut grammar_wasm_path = grammar_repo_dir.clone();
239 grammar_wasm_path.set_extension("wasm");
240
241 log::info!("checking out {grammar_name} parser");
242 self.checkout_repo(
243 &grammar_repo_dir,
244 &grammar_metadata.repository,
245 &grammar_metadata.rev,
246 )
247 .await?;
248
249 let base_grammar_path = grammar_metadata
250 .path
251 .as_ref()
252 .map(|path| grammar_repo_dir.join(path))
253 .unwrap_or(grammar_repo_dir);
254
255 let src_path = base_grammar_path.join("src");
256 let parser_path = src_path.join("parser.c");
257 let scanner_path = src_path.join("scanner.c");
258
259 // Skip recompiling if the WASM object is already newer than the source files
260 if file_newer_than_deps(&grammar_wasm_path, &[&parser_path, &scanner_path]).unwrap_or(false)
261 {
262 log::info!(
263 "skipping compilation of {grammar_name} parser because the existing compiled grammar is up to date"
264 );
265 } else {
266 log::info!("compiling {grammar_name} parser");
267 let clang_output = util::command::new_command(&clang_path)
268 .args(["-fPIC", "-shared", "-Os"])
269 .arg(format!("-Wl,--export=tree_sitter_{grammar_name}"))
270 .arg("-o")
271 .arg(&grammar_wasm_path)
272 .arg("-I")
273 .arg(&src_path)
274 .arg(&parser_path)
275 .args(scanner_path.exists().then_some(scanner_path))
276 .output()
277 .await
278 .context("failed to run clang")?;
279
280 if !clang_output.status.success() {
281 bail!(
282 "failed to compile {} parser with clang: {}",
283 grammar_name,
284 String::from_utf8_lossy(&clang_output.stderr),
285 );
286 }
287 }
288
289 Ok(())
290 }
291
292 async fn checkout_repo(&self, directory: &Path, url: &str, rev: &str) -> Result<()> {
293 let git_dir = directory.join(".git");
294
295 if directory.exists() {
296 let remotes_output = util::command::new_command("git")
297 .arg("--git-dir")
298 .arg(&git_dir)
299 .args(["remote", "get-url", "origin"])
300 .env("GIT_CONFIG_GLOBAL", "/dev/null")
301 .output()
302 .await?;
303 let has_remote = remotes_output.status.success()
304 && String::from_utf8_lossy(&remotes_output.stdout).trim() == url;
305 if !has_remote {
306 bail!(
307 "grammar directory '{}' already exists, but is not a git clone of '{}'",
308 directory.display(),
309 url
310 );
311 }
312 } else {
313 fs::create_dir_all(directory).with_context(|| {
314 format!("failed to create grammar directory {}", directory.display(),)
315 })?;
316 let init_output = util::command::new_command("git")
317 .arg("init")
318 .current_dir(directory)
319 .output()
320 .await?;
321 if !init_output.status.success() {
322 bail!(
323 "failed to run `git init` in directory '{}'",
324 directory.display()
325 );
326 }
327
328 let remote_add_output = util::command::new_command("git")
329 .arg("--git-dir")
330 .arg(&git_dir)
331 .args(["remote", "add", "origin", url])
332 .output()
333 .await
334 .context("failed to execute `git remote add`")?;
335 if !remote_add_output.status.success() {
336 bail!(
337 "failed to add remote {url} for git repository {}",
338 git_dir.display()
339 );
340 }
341 }
342
343 let fetch_output = util::command::new_command("git")
344 .arg("--git-dir")
345 .arg(&git_dir)
346 .args(["fetch", "--depth", "1", "origin", rev])
347 .output()
348 .await
349 .context("failed to execute `git fetch`")?;
350
351 let checkout_output = util::command::new_command("git")
352 .arg("--git-dir")
353 .arg(&git_dir)
354 .args(["checkout", rev])
355 .current_dir(directory)
356 .output()
357 .await
358 .context("failed to execute `git checkout`")?;
359 if !checkout_output.status.success() {
360 if !fetch_output.status.success() {
361 bail!(
362 "failed to fetch revision {} in directory '{}'",
363 rev,
364 directory.display()
365 );
366 }
367 bail!(
368 "failed to checkout revision {} in directory '{}': {}",
369 rev,
370 directory.display(),
371 String::from_utf8_lossy(&checkout_output.stderr)
372 );
373 }
374
375 Ok(())
376 }
377
378 async fn install_rust_wasm_target_if_needed(&self) -> Result<()> {
379 let rustc_output = util::command::new_command("rustc")
380 .arg("--print")
381 .arg("sysroot")
382 .output()
383 .await
384 .context("failed to run rustc")?;
385 if !rustc_output.status.success() {
386 bail!(
387 "failed to retrieve rust sysroot: {}",
388 String::from_utf8_lossy(&rustc_output.stderr)
389 );
390 }
391
392 let sysroot = PathBuf::from(String::from_utf8(rustc_output.stdout)?.trim());
393 if sysroot.join("lib/rustlib").join(RUST_TARGET).exists() {
394 return Ok(());
395 }
396
397 let output = util::command::new_command("rustup")
398 .args(["target", "add", RUST_TARGET])
399 .stderr(Stdio::piped())
400 .stdout(Stdio::inherit())
401 .output()
402 .await
403 .context("failed to run `rustup target add`")?;
404 if !output.status.success() {
405 bail!(
406 "failed to install the `{RUST_TARGET}` target: {}",
407 String::from_utf8_lossy(&rustc_output.stderr)
408 );
409 }
410
411 Ok(())
412 }
413
414 async fn install_wasi_sdk_if_needed(&self) -> Result<PathBuf> {
415 let url = if let Some(asset_name) = WASI_SDK_ASSET_NAME {
416 format!("{WASI_SDK_URL}{asset_name}")
417 } else {
418 bail!("wasi-sdk is not available for platform {}", env::consts::OS);
419 };
420
421 let wasi_sdk_dir = self.cache_dir.join("wasi-sdk");
422 let mut clang_path = wasi_sdk_dir.clone();
423 clang_path.extend(["bin", &format!("clang{}", env::consts::EXE_SUFFIX)]);
424
425 log::info!("downloading wasi-sdk to {}", wasi_sdk_dir.display());
426
427 if fs::metadata(&clang_path).is_ok_and(|metadata| metadata.is_file()) {
428 return Ok(clang_path);
429 }
430
431 let tar_out_dir = self.cache_dir.join("wasi-sdk-temp");
432
433 fs::remove_dir_all(&wasi_sdk_dir).ok();
434 fs::remove_dir_all(&tar_out_dir).ok();
435 fs::create_dir_all(&tar_out_dir).context("failed to create extraction directory")?;
436
437 let mut response = self.http.get(&url, AsyncBody::default(), true).await?;
438
439 // Write the response to a temporary file
440 let tar_gz_path = self.cache_dir.join("wasi-sdk.tar.gz");
441 let tar_gz_file =
442 fs::File::create(&tar_gz_path).context("failed to create temporary tar.gz file")?;
443 let response_body = response.body_mut();
444
445 let mut async_file = io::AllowStdIo::new(tar_gz_file);
446 io::copy(response_body, &mut async_file)
447 .await
448 .context("failed to stream response to file")?;
449 drop(async_file);
450
451 log::info!("un-tarring wasi-sdk to {}", tar_out_dir.display());
452
453 // Shell out to tar to extract the archive
454 let tar_output = util::command::new_command("tar")
455 .arg("-xzf")
456 .arg(&tar_gz_path)
457 .arg("-C")
458 .arg(&tar_out_dir)
459 .output()
460 .await
461 .context("failed to run tar")?;
462
463 if !tar_output.status.success() {
464 bail!(
465 "failed to extract wasi-sdk archive: {}",
466 String::from_utf8_lossy(&tar_output.stderr)
467 );
468 }
469
470 log::info!("finished downloading wasi-sdk");
471
472 // Clean up the temporary tar.gz file
473 fs::remove_file(&tar_gz_path).ok();
474
475 let inner_dir = fs::read_dir(&tar_out_dir)?
476 .next()
477 .context("no content")?
478 .context("failed to read contents of extracted wasi archive directory")?
479 .path();
480 fs::rename(&inner_dir, &wasi_sdk_dir).context("failed to move extracted wasi dir")?;
481 fs::remove_dir_all(&tar_out_dir).ok();
482
483 Ok(clang_path)
484 }
485
486 // This was adapted from:
487 // https://github.com/bytecodealliance/wasm-tools/blob/e8809bb17fcf69aa8c85cd5e6db7cff5cf36b1de/src/bin/wasm-tools/strip.rs
488 fn strip_custom_sections(&self, input: &Vec<u8>) -> Result<Vec<u8>> {
489 use wasmparser::Payload::*;
490
491 let strip_custom_section = |name: &str| {
492 // Default strip everything but:
493 // * the `name` section
494 // * any `component-type` sections
495 // * the `dylink.0` section
496 // * our custom version section
497 name != "name"
498 && !name.starts_with("component-type:")
499 && name != "dylink.0"
500 && name != "zed:api-version"
501 };
502
503 let mut output = Vec::new();
504 let mut stack = Vec::new();
505
506 for payload in Parser::new(0).parse_all(input) {
507 let payload = payload?;
508
509 // Track nesting depth, so that we don't mess with inner producer sections:
510 match payload {
511 Version { encoding, .. } => {
512 output.extend_from_slice(match encoding {
513 wasmparser::Encoding::Component => &wasm_encoder::Component::HEADER,
514 wasmparser::Encoding::Module => &wasm_encoder::Module::HEADER,
515 });
516 }
517 ModuleSection { .. } | ComponentSection { .. } => {
518 stack.push(mem::take(&mut output));
519 continue;
520 }
521 End { .. } => {
522 let mut parent = match stack.pop() {
523 Some(c) => c,
524 None => break,
525 };
526 if output.starts_with(&wasm_encoder::Component::HEADER) {
527 parent.push(ComponentSectionId::Component as u8);
528 output.encode(&mut parent);
529 } else {
530 parent.push(ComponentSectionId::CoreModule as u8);
531 output.encode(&mut parent);
532 }
533 output = parent;
534 }
535 _ => {}
536 }
537
538 if let CustomSection(c) = &payload
539 && strip_custom_section(c.name())
540 {
541 continue;
542 }
543 if let Some((id, range)) = payload.as_section() {
544 RawSection {
545 id,
546 data: &input[range],
547 }
548 .append_to(&mut output);
549 }
550 }
551
552 Ok(output)
553 }
554}
555
556async fn populate_defaults(
557 manifest: &mut ExtensionManifest,
558 extension_path: &Path,
559 fs: Arc<dyn Fs>,
560) -> Result<()> {
561 // For legacy extensions on the v0 schema (aka, using `extension.json`), clear out any existing
562 // contents of the computed fields, since we don't care what the existing values are.
563 if manifest.schema_version.is_v0() {
564 manifest.languages.clear();
565 manifest.grammars.clear();
566 manifest.themes.clear();
567 }
568
569 let cargo_toml_path = extension_path.join("Cargo.toml");
570 if cargo_toml_path.exists() {
571 manifest.lib.kind = Some(ExtensionLibraryKind::Rust);
572 }
573
574 let languages_dir = extension_path.join("languages");
575 if fs.is_dir(&languages_dir).await {
576 let mut language_dir_entries = fs
577 .read_dir(&languages_dir)
578 .await
579 .context("failed to list languages dir")?;
580
581 while let Some(language_dir) = language_dir_entries.next().await {
582 let language_dir = language_dir?;
583 let config_path = language_dir.join(LanguageConfig::FILE_NAME);
584 if fs.is_file(config_path.as_path()).await {
585 let relative_language_dir =
586 language_dir.strip_prefix(extension_path)?.to_path_buf();
587 if !manifest.languages.contains(&relative_language_dir) {
588 manifest.languages.push(relative_language_dir);
589 }
590 }
591 }
592 }
593
594 let themes_dir = extension_path.join("themes");
595 if fs.is_dir(&themes_dir).await {
596 let mut theme_dir_entries = fs
597 .read_dir(&themes_dir)
598 .await
599 .context("failed to list themes dir")?;
600
601 while let Some(theme_path) = theme_dir_entries.next().await {
602 let theme_path = theme_path?;
603 if theme_path.extension() == Some("json".as_ref()) {
604 let relative_theme_path = theme_path.strip_prefix(extension_path)?.to_path_buf();
605 if !manifest.themes.contains(&relative_theme_path) {
606 manifest.themes.push(relative_theme_path);
607 }
608 }
609 }
610 }
611
612 let icon_themes_dir = extension_path.join("icon_themes");
613 if fs.is_dir(&icon_themes_dir).await {
614 let mut icon_theme_dir_entries = fs
615 .read_dir(&icon_themes_dir)
616 .await
617 .context("failed to list icon themes dir")?;
618
619 while let Some(icon_theme_path) = icon_theme_dir_entries.next().await {
620 let icon_theme_path = icon_theme_path?;
621 if icon_theme_path.extension() == Some("json".as_ref()) {
622 let relative_icon_theme_path =
623 icon_theme_path.strip_prefix(extension_path)?.to_path_buf();
624 if !manifest.icon_themes.contains(&relative_icon_theme_path) {
625 manifest.icon_themes.push(relative_icon_theme_path);
626 }
627 }
628 }
629 };
630 if manifest.snippets.is_none()
631 && let snippets_json_path = extension_path.join("snippets.json")
632 && fs.is_file(&snippets_json_path).await
633 {
634 manifest.snippets = Some("snippets.json".into());
635 }
636
637 // For legacy extensions on the v0 schema (aka, using `extension.json`), we want to populate the grammars in
638 // the manifest using the contents of the `grammars` directory.
639 if manifest.schema_version.is_v0() {
640 let grammars_dir = extension_path.join("grammars");
641 if fs.is_dir(&grammars_dir).await {
642 let mut grammar_dir_entries = fs
643 .read_dir(&grammars_dir)
644 .await
645 .context("failed to list grammars dir")?;
646
647 while let Some(grammar_path) = grammar_dir_entries.next().await {
648 let grammar_path = grammar_path?;
649 if grammar_path.extension() == Some("toml".as_ref()) {
650 #[derive(Deserialize)]
651 struct GrammarConfigToml {
652 pub repository: String,
653 pub commit: String,
654 #[serde(default)]
655 pub path: Option<String>,
656 }
657
658 let grammar_config = fs.load(&grammar_path).await?;
659 let grammar_config: GrammarConfigToml = toml::from_str(&grammar_config)?;
660
661 let grammar_name = grammar_path
662 .file_stem()
663 .and_then(|stem| stem.to_str())
664 .context("no grammar name")?;
665 if !manifest.grammars.contains_key(grammar_name) {
666 manifest.grammars.insert(
667 grammar_name.into(),
668 GrammarManifestEntry {
669 repository: grammar_config.repository,
670 rev: grammar_config.commit,
671 path: grammar_config.path,
672 },
673 );
674 }
675 }
676 }
677 }
678 }
679
680 Ok(())
681}
682
683/// Returns `true` if the target exists and its last modified time is greater than that
684/// of each dependency which exists (i.e., dependency paths which do not exist are ignored).
685///
686/// # Errors
687///
688/// Returns `Err` if any of the underlying file I/O operations fail.
689fn file_newer_than_deps(target: &Path, dependencies: &[&Path]) -> Result<bool, std::io::Error> {
690 if !target.try_exists()? {
691 return Ok(false);
692 }
693 let target_modified = target.metadata()?.modified()?;
694 for dependency in dependencies {
695 if !dependency.try_exists()? {
696 continue;
697 }
698 let dep_modified = dependency.metadata()?.modified()?;
699 if target_modified < dep_modified {
700 return Ok(false);
701 }
702 }
703 Ok(true)
704}
705
706#[cfg(test)]
707mod tests {
708 use std::{
709 path::{Path, PathBuf},
710 str::FromStr,
711 thread::sleep,
712 time::Duration,
713 };
714
715 use gpui::TestAppContext;
716 use indoc::indoc;
717
718 use crate::{
719 ExtensionManifest, ExtensionSnippets,
720 extension_builder::{file_newer_than_deps, populate_defaults},
721 };
722
723 #[test]
724 fn test_file_newer_than_deps() {
725 // Don't use TempTree because we need to guarantee the order
726 let tmpdir = tempfile::tempdir().unwrap();
727 let target = tmpdir.path().join("target.wasm");
728 let dep1 = tmpdir.path().join("parser.c");
729 let dep2 = tmpdir.path().join("scanner.c");
730
731 assert!(
732 !file_newer_than_deps(&target, &[&dep1, &dep2]).unwrap(),
733 "target doesn't exist"
734 );
735 std::fs::write(&target, "foo").unwrap(); // Create target
736 assert!(
737 file_newer_than_deps(&target, &[&dep1, &dep2]).unwrap(),
738 "dependencies don't exist; target is newer"
739 );
740 sleep(Duration::from_secs(1));
741 std::fs::write(&dep1, "foo").unwrap(); // Create dep1 (newer than target)
742 // Dependency is newer
743 assert!(
744 !file_newer_than_deps(&target, &[&dep1, &dep2]).unwrap(),
745 "a dependency is newer (target {:?}, dep1 {:?})",
746 target.metadata().unwrap().modified().unwrap(),
747 dep1.metadata().unwrap().modified().unwrap(),
748 );
749 sleep(Duration::from_secs(1));
750 std::fs::write(&dep2, "foo").unwrap(); // Create dep2
751 sleep(Duration::from_secs(1));
752 std::fs::write(&target, "foobar").unwrap(); // Update target
753 assert!(
754 file_newer_than_deps(&target, &[&dep1, &dep2]).unwrap(),
755 "target is newer than dependencies (target {:?}, dep2 {:?})",
756 target.metadata().unwrap().modified().unwrap(),
757 dep2.metadata().unwrap().modified().unwrap(),
758 );
759 }
760
761 #[gpui::test]
762 async fn test_snippet_location_is_kept(cx: &mut TestAppContext) {
763 let fs = fs::FakeFs::new(cx.executor());
764 let extension_path = Path::new("/extension");
765
766 fs.insert_tree(
767 extension_path,
768 serde_json::json!({
769 "extension.toml": indoc! {r#"
770 id = "test-manifest"
771 name = "Test Manifest"
772 version = "0.0.1"
773 schema_version = 1
774
775 snippets = "./snippets/snippets.json"
776 "#
777 },
778 "snippets.json": "",
779 }),
780 )
781 .await;
782
783 let mut manifest = ExtensionManifest::load(fs.clone(), extension_path)
784 .await
785 .unwrap();
786
787 populate_defaults(&mut manifest, extension_path, fs.clone())
788 .await
789 .unwrap();
790
791 assert_eq!(
792 manifest.snippets,
793 Some(ExtensionSnippets::Single(
794 PathBuf::from_str("./snippets/snippets.json").unwrap()
795 ))
796 )
797 }
798
799 #[gpui::test]
800 async fn test_automatic_snippet_location_is_relative(cx: &mut TestAppContext) {
801 let fs = fs::FakeFs::new(cx.executor());
802 let extension_path = Path::new("/extension");
803
804 fs.insert_tree(
805 extension_path,
806 serde_json::json!({
807 "extension.toml": indoc! {r#"
808 id = "test-manifest"
809 name = "Test Manifest"
810 version = "0.0.1"
811 schema_version = 1
812
813 "#
814 },
815 "snippets.json": "",
816 }),
817 )
818 .await;
819
820 let mut manifest = ExtensionManifest::load(fs.clone(), extension_path)
821 .await
822 .unwrap();
823
824 populate_defaults(&mut manifest, extension_path, fs.clone())
825 .await
826 .unwrap();
827
828 assert_eq!(
829 manifest.snippets,
830 Some(ExtensionSnippets::Single(
831 PathBuf::from_str("snippets.json").unwrap()
832 ))
833 )
834 }
835}