repl: Filter commands out of command palette when REPL is disabled (#15016)

This PR makes it so the `repl: ` commands don't appear in the command
palette when the REPL feature is disabled.

Release Notes:

- N/A

Cargo.lock

@@ -8808,6 +8808,7 @@ dependencies = [
  "async-dispatcher",
  "base64 0.13.1",
  "collections",
+ "command_palette_hooks",
  "editor",
  "env_logger",
  "futures 0.3.28",

crates/repl/Cargo.toml

@@ -13,14 +13,15 @@ path = "src/repl.rs"
 doctest = false
 
 [dependencies]
-anyhow.workspace = true
 alacritty_terminal.workspace = true
+anyhow.workspace = true
 async-dispatcher.workspace = true
 base64.workspace = true
 collections.workspace = true
+command_palette_hooks.workspace = true
 editor.workspace = true
-gpui.workspace = true
 futures.workspace = true
+gpui.workspace = true
 image.workspace = true
 language.workspace = true
 log.workspace = true
@@ -32,20 +33,20 @@ serde.workspace = true
 serde_json.workspace = true
 settings.workspace = true
 smol.workspace = true
-theme.workspace = true
 terminal_view.workspace = true
+theme.workspace = true
 ui.workspace = true
-uuid.workspace = true
 util.workspace = true
+uuid.workspace = true
 workspace.workspace = true
 
 [dev-dependencies]
 editor = { workspace = true, features = ["test-support"] }
 env_logger.workspace = true
 gpui = { workspace = true, features = ["test-support"] }
+http = { workspace = true, features = ["test-support"] }
 language = { workspace = true, features = ["test-support"] }
 project = { workspace = true, features = ["test-support"] }
 settings = { workspace = true, features = ["test-support"] }
 theme = { workspace = true, features = ["test-support"] }
 util = { workspace = true, features = ["test-support"] }
-http = { workspace = true, features = ["test-support"] }

crates/repl/src/repl.rs

@@ -25,6 +25,14 @@ pub use crate::repl_sessions_ui::{
 use crate::repl_store::ReplStore;
 pub use crate::session::Session;
 
+pub fn init(fs: Arc<dyn Fs>, cx: &mut AppContext) {
+    set_dispatcher(zed_dispatcher(cx));
+    JupyterSettings::register(cx);
+    ::editor::init_settings(cx);
+    repl_sessions_ui::init(cx);
+    ReplStore::init(fs, cx);
+}
+
 fn zed_dispatcher(cx: &mut AppContext) -> impl Dispatcher {
     struct ZedDispatcher {
         dispatcher: Arc<dyn PlatformDispatcher>,
@@ -48,11 +56,3 @@ fn zed_dispatcher(cx: &mut AppContext) -> impl Dispatcher {
         dispatcher: cx.background_executor().dispatcher.clone(),
     }
 }
-
-pub fn init(fs: Arc<dyn Fs>, cx: &mut AppContext) {
-    set_dispatcher(zed_dispatcher(cx));
-    JupyterSettings::register(cx);
-    ::editor::init_settings(cx);
-    repl_sessions_ui::init(cx);
-    ReplStore::init(fs, cx);
-}

crates/repl/src/repl_store.rs

@@ -2,6 +2,7 @@ use std::sync::Arc;
 
 use anyhow::Result;
 use collections::HashMap;
+use command_palette_hooks::CommandPaletteFilter;
 use gpui::{
     prelude::*, AppContext, EntityId, Global, Model, ModelContext, Subscription, Task, View,
 };
@@ -25,6 +26,8 @@ pub struct ReplStore {
 }
 
 impl ReplStore {
+    const NAMESPACE: &'static str = "repl";
+
     pub(crate) fn init(fs: Arc<dyn Fs>, cx: &mut AppContext) {
         let store = cx.new_model(move |cx| Self::new(fs, cx));
 
@@ -44,13 +47,15 @@ impl ReplStore {
             this.set_enabled(JupyterSettings::enabled(cx), cx);
         })];
 
-        Self {
+        let this = Self {
             fs,
             enabled: JupyterSettings::enabled(cx),
             sessions: HashMap::default(),
             kernel_specifications: Vec::new(),
             _subscriptions: subscriptions,
-        }
+        };
+        this.on_enabled_changed(cx);
+        this
     }
 
     pub fn fs(&self) -> &Arc<dyn Fs> {
@@ -70,10 +75,28 @@ impl ReplStore {
     }
 
     fn set_enabled(&mut self, enabled: bool, cx: &mut ModelContext<Self>) {
-        if self.enabled != enabled {
-            self.enabled = enabled;
-            cx.notify();
+        if self.enabled == enabled {
+            return;
         }
+
+        self.enabled = enabled;
+        self.on_enabled_changed(cx);
+    }
+
+    fn on_enabled_changed(&self, cx: &mut ModelContext<Self>) {
+        if !self.enabled {
+            CommandPaletteFilter::update_global(cx, |filter, _cx| {
+                filter.hide_namespace(Self::NAMESPACE);
+            });
+
+            return;
+        }
+
+        CommandPaletteFilter::update_global(cx, |filter, _cx| {
+            filter.show_namespace(Self::NAMESPACE);
+        });
+
+        cx.notify();
     }
 
     pub fn refresh_kernelspecs(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {