Rename extension crate to extension_host (#20081)

This PR renames the `extension` crate to `extension_host`.

This is to free up the name so that we can create a smaller-scoped
`extension` crate.

Release Notes:

- N/A

Cargo.lock

@@ -9,7 +9,7 @@ dependencies = [
  "anyhow",
  "auto_update",
  "editor",
- "extension",
+ "extension_host",
  "futures 0.3.30",
  "gpui",
  "language",
@@ -4090,7 +4090,29 @@ dependencies = [
 ]
 
 [[package]]
-name = "extension"
+name = "extension_cli"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "clap",
+ "env_logger 0.11.5",
+ "extension_host",
+ "fs",
+ "language",
+ "log",
+ "reqwest_client",
+ "rpc",
+ "serde",
+ "serde_json",
+ "theme",
+ "tokio",
+ "toml 0.8.19",
+ "tree-sitter",
+ "wasmtime",
+]
+
+[[package]]
+name = "extension_host"
 version = "0.1.0"
 dependencies = [
  "anyhow",
@@ -4137,28 +4159,6 @@ dependencies = [
  "workspace",
 ]
 
-[[package]]
-name = "extension_cli"
-version = "0.1.0"
-dependencies = [
- "anyhow",
- "clap",
- "env_logger 0.11.5",
- "extension",
- "fs",
- "language",
- "log",
- "reqwest_client",
- "rpc",
- "serde",
- "serde_json",
- "theme",
- "tokio",
- "toml 0.8.19",
- "tree-sitter",
- "wasmtime",
-]
-
 [[package]]
 name = "extensions_ui"
 version = "0.1.0"
@@ -4168,7 +4168,7 @@ dependencies = [
  "collections",
  "db",
  "editor",
- "extension",
+ "extension_host",
  "fs",
  "fuzzy",
  "gpui",
@@ -15065,7 +15065,7 @@ dependencies = [
  "diagnostics",
  "editor",
  "env_logger 0.11.5",
- "extension",
+ "extension_host",
  "extensions_ui",
  "feature_flags",
  "feedback",

Cargo.toml

@@ -27,9 +27,9 @@ members = [
     "crates/docs_preprocessor",
     "crates/editor",
     "crates/evals",
-    "crates/extension",
     "crates/extension_api",
     "crates/extension_cli",
+    "crates/extension_host",
     "crates/extensions_ui",
     "crates/feature_flags",
     "crates/feedback",
@@ -201,7 +201,7 @@ copilot = { path = "crates/copilot" }
 db = { path = "crates/db" }
 diagnostics = { path = "crates/diagnostics" }
 editor = { path = "crates/editor" }
-extension = { path = "crates/extension" }
+extension_host = { path = "crates/extension_host" }
 extensions_ui = { path = "crates/extensions_ui" }
 feature_flags = { path = "crates/feature_flags" }
 feedback = { path = "crates/feedback" }

crates/activity_indicator/Cargo.toml

@@ -16,7 +16,7 @@ doctest = false
 anyhow.workspace = true
 auto_update.workspace = true
 editor.workspace = true
-extension.workspace = true
+extension_host.workspace = true
 futures.workspace = true
 gpui.workspace = true
 language.workspace = true

crates/activity_indicator/src/activity_indicator.rs

@@ -1,6 +1,6 @@
 use auto_update::{AutoUpdateStatus, AutoUpdater, DismissErrorMessage};
 use editor::Editor;
-use extension::ExtensionStore;
+use extension_host::ExtensionStore;
 use futures::StreamExt;
 use gpui::{
     actions, percentage, Animation, AnimationExt as _, AppContext, CursorStyle, EventEmitter,

crates/extension_cli/Cargo.toml

@@ -16,7 +16,7 @@ path = "src/main.rs"
 anyhow.workspace = true
 clap = { workspace = true, features = ["derive"] }
 env_logger.workspace = true
-extension = { workspace = true, features = ["no-webrtc"] }
+extension_host = { workspace = true, features = ["no-webrtc"] }
 fs.workspace = true
 language.workspace = true
 log.workspace = true

crates/extension_cli/src/main.rs

@@ -9,7 +9,7 @@ use std::{
 use ::fs::{copy_recursive, CopyOptions, Fs, RealFs};
 use anyhow::{anyhow, bail, Context, Result};
 use clap::Parser;
-use extension::{
+use extension_host::{
     extension_builder::{CompileExtensionOptions, ExtensionBuilder},
     ExtensionManifest,
 };

crates/extension_host/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "extension"
+name = "extension_host"
 version = "0.1.0"
 edition = "2021"
 publish = false
@@ -9,7 +9,7 @@ license = "GPL-3.0-or-later"
 workspace = true
 
 [lib]
-path = "src/extension_store.rs"
+path = "src/extension_host.rs"
 doctest = false
 
 [features]

crates/extensions_ui/Cargo.toml

@@ -20,7 +20,7 @@ client.workspace = true
 collections.workspace = true
 db.workspace = true
 editor.workspace = true
-extension.workspace = true
+extension_host.workspace = true
 fs.workspace = true
 fuzzy.workspace = true
 gpui.workspace = true

crates/extensions_ui/src/extension_suggest.rs

@@ -4,7 +4,7 @@ use std::sync::{Arc, OnceLock};
 
 use db::kvp::KEY_VALUE_STORE;
 use editor::Editor;
-use extension::ExtensionStore;
+use extension_host::ExtensionStore;
 use gpui::{Model, VisualContext};
 use language::Buffer;
 use ui::{SharedString, ViewContext};

crates/extensions_ui/src/extension_version_selector.rs

@@ -2,7 +2,7 @@ use std::str::FromStr;
 use std::sync::Arc;
 
 use client::ExtensionMetadata;
-use extension::{ExtensionSettings, ExtensionStore};
+use extension_host::{ExtensionSettings, ExtensionStore};
 use fs::Fs;
 use fuzzy::{match_strings, StringMatch, StringMatchCandidate};
 use gpui::{
@@ -167,7 +167,7 @@ impl PickerDelegate for ExtensionVersionSelectorDelegate {
         let candidate_id = self.matches[self.selected_index].candidate_id;
         let extension_version = &self.extension_versions[candidate_id];
 
-        if !extension::is_version_compatible(ReleaseChannel::global(cx), extension_version) {
+        if !extension_host::is_version_compatible(ReleaseChannel::global(cx), extension_version) {
             return;
         }
 
@@ -203,7 +203,7 @@ impl PickerDelegate for ExtensionVersionSelectorDelegate {
         let extension_version = &self.extension_versions[version_match.candidate_id];
 
         let is_version_compatible =
-            extension::is_version_compatible(ReleaseChannel::global(cx), extension_version);
+            extension_host::is_version_compatible(ReleaseChannel::global(cx), extension_version);
         let disabled = !is_version_compatible;
 
         Some(

crates/extensions_ui/src/extensions_ui.rs

@@ -11,7 +11,7 @@ use client::telemetry::Telemetry;
 use client::ExtensionMetadata;
 use collections::{BTreeMap, BTreeSet};
 use editor::{Editor, EditorElement, EditorStyle};
-use extension::{ExtensionManifest, ExtensionOperation, ExtensionStore};
+use extension_host::{ExtensionManifest, ExtensionOperation, ExtensionStore};
 use fuzzy::{match_strings, StringMatchCandidate};
 use gpui::{
     actions, uniform_list, AppContext, EventEmitter, Flatten, FocusableView, InteractiveElement,
@@ -203,8 +203,8 @@ impl ExtensionsPage {
             let subscriptions = [
                 cx.observe(&store, |_, _, cx| cx.notify()),
                 cx.subscribe(&store, move |this, _, event, cx| match event {
-                    extension::Event::ExtensionsUpdated => this.fetch_extensions_debounced(cx),
+                    extension_host::Event::ExtensionsUpdated => this.fetch_extensions_debounced(cx),
-                    extension::Event::ExtensionInstalled(extension_id) => {
+                    extension_host::Event::ExtensionInstalled(extension_id) => {
                         this.on_extension_installed(workspace_handle.clone(), extension_id, cx)
                     }
                     _ => {}
@@ -691,7 +691,8 @@ impl ExtensionsPage {
         has_dev_extension: bool,
         cx: &mut ViewContext<Self>,
     ) -> (Button, Option<Button>) {
-        let is_compatible = extension::is_version_compatible(ReleaseChannel::global(cx), extension);
+        let is_compatible =
+            extension_host::is_version_compatible(ReleaseChannel::global(cx), extension);
 
         if has_dev_extension {
             // If we have a dev extension for the given extension, just treat it as uninstalled.

crates/zed/Cargo.toml

@@ -39,7 +39,7 @@ db.workspace = true
 diagnostics.workspace = true
 editor.workspace = true
 env_logger.workspace = true
-extension.workspace = true
+extension_host.workspace = true
 extensions_ui.workspace = true
 feature_flags.workspace = true
 feedback.workspace = true

crates/zed/src/main.rs

@@ -402,7 +402,7 @@ fn main() {
             app_state.client.telemetry().clone(),
             cx,
         );
-        extension::init(
+        extension_host::init(
             app_state.fs.clone(),
             app_state.client.clone(),
             app_state.node_runtime.clone(),