1use std::{
2 collections::HashMap,
3 env, fs,
4 path::{Path, PathBuf},
5 process::Command,
6 sync::Arc,
7};
8
9use ::fs::{copy_recursive, CopyOptions, Fs, RealFs};
10use anyhow::{anyhow, bail, Context, Result};
11use clap::Parser;
12use extension::{
13 extension_builder::{CompileExtensionOptions, ExtensionBuilder},
14 ExtensionManifest,
15};
16use isahc_http_client::IsahcHttpClient;
17use language::LanguageConfig;
18use theme::ThemeRegistry;
19use tree_sitter::{Language, Query, WasmStore};
20
21#[derive(Parser, Debug)]
22#[command(name = "zed-extension")]
23struct Args {
24 /// The path to the extension directory
25 #[arg(long)]
26 source_dir: PathBuf,
27 /// The output directory to place the packaged extension.
28 #[arg(long)]
29 output_dir: PathBuf,
30 /// The path to a directory where build dependencies are downloaded
31 #[arg(long)]
32 scratch_dir: PathBuf,
33}
34
35#[tokio::main]
36async fn main() -> Result<()> {
37 env_logger::init();
38
39 let args = Args::parse();
40 let fs = Arc::new(RealFs::default());
41 let engine = wasmtime::Engine::default();
42 let mut wasm_store = WasmStore::new(&engine)?;
43
44 let extension_path = args
45 .source_dir
46 .canonicalize()
47 .context("failed to canonicalize source_dir")?;
48 let scratch_dir = args
49 .scratch_dir
50 .canonicalize()
51 .context("failed to canonicalize scratch_dir")?;
52 let output_dir = if args.output_dir.is_relative() {
53 env::current_dir()?.join(&args.output_dir)
54 } else {
55 args.output_dir
56 };
57
58 log::info!("loading extension manifest");
59 let mut manifest = ExtensionManifest::load(fs.clone(), &extension_path).await?;
60
61 log::info!("compiling extension");
62
63 let user_agent = format!(
64 "Zed Extension CLI/{} ({}; {})",
65 env!("CARGO_PKG_VERSION"),
66 std::env::consts::OS,
67 std::env::consts::ARCH
68 );
69 let http_client = Arc::new(
70 IsahcHttpClient::builder()
71 .default_header("User-Agent", user_agent)
72 .build()
73 .map(IsahcHttpClient::from)?,
74 );
75
76 let builder = ExtensionBuilder::new(http_client, scratch_dir);
77 builder
78 .compile_extension(
79 &extension_path,
80 &mut manifest,
81 CompileExtensionOptions { release: true },
82 )
83 .await
84 .context("failed to compile extension")?;
85
86 let grammars = test_grammars(&manifest, &extension_path, &mut wasm_store)?;
87 test_languages(&manifest, &extension_path, &grammars)?;
88 test_themes(&manifest, &extension_path, fs.clone()).await?;
89
90 let archive_dir = output_dir.join("archive");
91 fs::remove_dir_all(&archive_dir).ok();
92 copy_extension_resources(&manifest, &extension_path, &archive_dir, fs.clone())
93 .await
94 .context("failed to copy extension resources")?;
95
96 let tar_output = Command::new("tar")
97 .current_dir(&output_dir)
98 .args(["-czvf", "archive.tar.gz", "-C", "archive", "."])
99 .output()
100 .context("failed to run tar")?;
101 if !tar_output.status.success() {
102 bail!(
103 "failed to create archive.tar.gz: {}",
104 String::from_utf8_lossy(&tar_output.stderr)
105 );
106 }
107
108 let manifest_json = serde_json::to_string(&rpc::ExtensionApiManifest {
109 name: manifest.name,
110 version: manifest.version,
111 description: manifest.description,
112 authors: manifest.authors,
113 schema_version: Some(manifest.schema_version.0),
114 repository: manifest
115 .repository
116 .ok_or_else(|| anyhow!("missing repository in extension manifest"))?,
117 wasm_api_version: manifest.lib.version.map(|version| version.to_string()),
118 })?;
119 fs::remove_dir_all(&archive_dir)?;
120 fs::write(output_dir.join("manifest.json"), manifest_json.as_bytes())?;
121
122 Ok(())
123}
124
125async fn copy_extension_resources(
126 manifest: &ExtensionManifest,
127 extension_path: &Path,
128 output_dir: &Path,
129 fs: Arc<dyn Fs>,
130) -> Result<()> {
131 fs::create_dir_all(output_dir).context("failed to create output dir")?;
132
133 let manifest_toml = toml::to_string(&manifest).context("failed to serialize manifest")?;
134 fs::write(output_dir.join("extension.toml"), &manifest_toml)
135 .context("failed to write extension.toml")?;
136
137 if manifest.lib.kind.is_some() {
138 fs::copy(
139 extension_path.join("extension.wasm"),
140 output_dir.join("extension.wasm"),
141 )
142 .context("failed to copy extension.wasm")?;
143 }
144
145 if !manifest.grammars.is_empty() {
146 let source_grammars_dir = extension_path.join("grammars");
147 let output_grammars_dir = output_dir.join("grammars");
148 fs::create_dir_all(&output_grammars_dir)?;
149 for grammar_name in manifest.grammars.keys() {
150 let mut grammar_filename = PathBuf::from(grammar_name.as_ref());
151 grammar_filename.set_extension("wasm");
152 fs::copy(
153 source_grammars_dir.join(&grammar_filename),
154 output_grammars_dir.join(&grammar_filename),
155 )
156 .with_context(|| format!("failed to copy grammar '{}'", grammar_filename.display()))?;
157 }
158 }
159
160 if !manifest.themes.is_empty() {
161 let output_themes_dir = output_dir.join("themes");
162 fs::create_dir_all(&output_themes_dir)?;
163 for theme_path in &manifest.themes {
164 fs::copy(
165 extension_path.join(theme_path),
166 output_themes_dir.join(
167 theme_path
168 .file_name()
169 .ok_or_else(|| anyhow!("invalid theme path"))?,
170 ),
171 )
172 .with_context(|| format!("failed to copy theme '{}'", theme_path.display()))?;
173 }
174 }
175
176 if !manifest.languages.is_empty() {
177 let output_languages_dir = output_dir.join("languages");
178 fs::create_dir_all(&output_languages_dir)?;
179 for language_path in &manifest.languages {
180 copy_recursive(
181 fs.as_ref(),
182 &extension_path.join(language_path),
183 &output_languages_dir.join(
184 language_path
185 .file_name()
186 .ok_or_else(|| anyhow!("invalid language path"))?,
187 ),
188 CopyOptions {
189 overwrite: true,
190 ignore_if_exists: false,
191 },
192 )
193 .await
194 .with_context(|| {
195 format!("failed to copy language dir '{}'", language_path.display())
196 })?;
197 }
198 }
199
200 Ok(())
201}
202
203fn test_grammars(
204 manifest: &ExtensionManifest,
205 extension_path: &Path,
206 wasm_store: &mut WasmStore,
207) -> Result<HashMap<String, Language>> {
208 let mut grammars = HashMap::default();
209 let grammars_dir = extension_path.join("grammars");
210
211 for grammar_name in manifest.grammars.keys() {
212 let mut grammar_path = grammars_dir.join(grammar_name.as_ref());
213 grammar_path.set_extension("wasm");
214
215 let wasm = fs::read(&grammar_path)?;
216 let language = wasm_store.load_language(grammar_name, &wasm)?;
217 log::info!("loaded grammar {grammar_name}");
218 grammars.insert(grammar_name.to_string(), language);
219 }
220
221 Ok(grammars)
222}
223
224fn test_languages(
225 manifest: &ExtensionManifest,
226 extension_path: &Path,
227 grammars: &HashMap<String, Language>,
228) -> Result<()> {
229 for relative_language_dir in &manifest.languages {
230 let language_dir = extension_path.join(relative_language_dir);
231 let config_path = language_dir.join("config.toml");
232 let config_content = fs::read_to_string(&config_path)?;
233 let config: LanguageConfig = toml::from_str(&config_content)?;
234 let grammar = if let Some(name) = &config.grammar {
235 Some(
236 grammars
237 .get(name.as_ref())
238 .ok_or_else(|| anyhow!("grammar not found: '{name}'"))?,
239 )
240 } else {
241 None
242 };
243
244 let query_entries = fs::read_dir(&language_dir)?;
245 for entry in query_entries {
246 let entry = entry?;
247 let query_path = entry.path();
248 if query_path.extension() == Some("scm".as_ref()) {
249 let grammar = grammar.ok_or_else(|| {
250 anyhow!(
251 "language {} provides query {} but no grammar",
252 config.name,
253 query_path.display()
254 )
255 })?;
256
257 let query_source = fs::read_to_string(&query_path)?;
258 let _query = Query::new(grammar, &query_source)?;
259 }
260 }
261
262 log::info!("loaded language {}", config.name);
263 }
264
265 Ok(())
266}
267
268async fn test_themes(
269 manifest: &ExtensionManifest,
270 extension_path: &Path,
271 fs: Arc<dyn Fs>,
272) -> Result<()> {
273 for relative_theme_path in &manifest.themes {
274 let theme_path = extension_path.join(relative_theme_path);
275 let theme_family = ThemeRegistry::read_user_theme(&theme_path, fs.clone()).await?;
276 log::info!("loaded theme family {}", theme_family.name);
277 }
278
279 Ok(())
280}