feat: store and show pkgbuild (implements #157)

frontend/src/hooks/usePackageChanges.ts

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2021-2026 ahriman team.
+ *
+ * This file is part of ahriman
+ * (see https://github.com/arcan1s/ahriman).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import { useQuery } from "@tanstack/react-query";
+import { QueryKeys } from "hooks/QueryKeys";
+import { useClient } from "hooks/useClient";
+import type { Changes } from "models/Changes";
+import type { RepositoryId } from "models/RepositoryId";
+
+export function usePackageChanges(packageBase: string, repository: RepositoryId): Changes | undefined {
+    const client = useClient();
+
+    const { data } = useQuery<Changes>({
+        queryKey: QueryKeys.changes(packageBase, repository),
+        queryFn: () => client.fetch.fetchPackageChanges(packageBase, repository),
+        enabled: !!packageBase,
+    });
+
+    return data;
+}