Add live git status indicators (#458)

apps/yaak-client/init/git.ts

@@ -0,0 +1,38 @@
+import { watchGitWorktreeStatus, type GitWorktreeStatusEntry } from "@yaakapp-internal/git";
+import { activeWorkspaceMetaAtom } from "../hooks/useActiveWorkspace";
+import { gitWorktreeStatusAtom, gitWorktreeStatusByModelIdAtom } from "../lib/gitWorktreeStatus";
+import { jotaiStore } from "../lib/jotai";
+
+export function initGit() {
+  let watchedDir: string | null = null;
+  let unwatch: null | ReturnType<typeof watchGitWorktreeStatus> = null;
+
+  const watchActiveWorkspace = () => {
+    const syncDir = jotaiStore.get(activeWorkspaceMetaAtom)?.settingSyncDir ?? null;
+    if (syncDir === watchedDir) return;
+
+    void unwatch?.();
+    unwatch = null;
+    watchedDir = syncDir;
+    jotaiStore.set(gitWorktreeStatusAtom, null);
+    jotaiStore.set(gitWorktreeStatusByModelIdAtom, {});
+
+    if (syncDir == null) return;
+
+    unwatch = watchGitWorktreeStatus(syncDir, (status) => {
+      if (syncDir !== watchedDir) return;
+
+      jotaiStore.set(gitWorktreeStatusAtom, status);
+
+      const statusByModelId: Record<string, GitWorktreeStatusEntry> = {};
+      for (const entry of status.entries) {
+        if (entry.modelId == null) continue;
+        statusByModelId[entry.modelId] = entry;
+      }
+      jotaiStore.set(gitWorktreeStatusByModelIdAtom, statusByModelId);
+    });
+  };
+
+  watchActiveWorkspace();
+  jotaiStore.sub(activeWorkspaceMetaAtom, watchActiveWorkspace);
+}