add repo detail view

crates/signed_state/src/git_store.rs

@@ -0,0 +1,44 @@
+use std::path::PathBuf;
+
+use gpui::{App, Global};
+use signed_git::GitCache;
+
+struct GlobalGitStore(GitCache);
+
+impl Global for GlobalGitStore {}
+
+/// Global access to the on-disk git clone cache (grasp mirrors).
+///
+/// Installed at startup via [`GitStore::set_global`]; see also
+/// [`signed_state::init`].
+#[derive(Debug, Clone)]
+pub struct GitStore(GitCache);
+
+impl GitStore {
+    /// Register the clone cache rooted at `root` as an app-wide global.
+    /// Replaces any previously installed store (see [`signed_state::init`], which
+    /// installs an empty one).
+    pub fn set_global(root: impl Into<PathBuf>, cx: &mut App) -> Self {
+        let store = Self::new(root);
+        cx.set_global(GlobalGitStore(store.0.clone()));
+        store
+    }
+
+    /// The app-wide clone cache.
+    ///
+    /// # Panics
+    ///
+    /// Panics if [`GitStore::set_global`] was never called.
+    pub fn global(cx: &App) -> Self {
+        Self(cx.global::<GlobalGitStore>().0.clone())
+    }
+
+    fn new(root: impl Into<PathBuf>) -> Self {
+        Self(GitCache::new(root.into()))
+    }
+
+    /// Underlying clone cache.
+    pub fn cache(&self) -> &GitCache {
+        &self.0
+    }
+}

crates/signed_state/src/lib.rs

@@ -1,18 +1,20 @@
 mod backend;
+mod git_store;
 mod profile;
 mod repo;
 mod repo_list;
 
-use std::path::Path;
+use std::path::{Path, PathBuf};
 
 pub use backend::{Backend, BackendEvent};
+pub use git_store::GitStore;
 use gpui::{App, AppContext, Entity};
 pub use nostr_sdk::prelude::Timestamp;
 pub use profile::{Profile, ProfileStore};
-pub use utils::shorten_pubkey;
 pub use repo::RepoStore;
 pub use repo_list::RepoListStore;
 use signed_nostr::new_backend;
+pub use utils::shorten_pubkey;
 
 /// Initialize the backend and stores, and install them as globals. Call once
 /// at startup, before opening any window that uses the stores.
@@ -35,6 +37,10 @@ pub fn init(db_path: impl AsRef<Path>, cx: &mut App) -> Entity<Backend> {
 
     ProfileStore::set_global(cx.new(ProfileStore::new), cx);
 
+    // The clone cache is only meaningful on native platforms; the wasm
+    // build registers an empty store so `GitStore::global` still works.
+    GitStore::set_global(PathBuf::new(), cx);
+
     entity
 }
 
@@ -48,5 +54,7 @@ pub fn init(cx: &mut App) -> Entity<Backend> {
 
     ProfileStore::set_global(cx.new(ProfileStore::new), cx);
 
+    GitStore::set_global(PathBuf::new(), cx);
+
     entity
 }