From 9b7da23a20de57905757cb03eee0af2ce2db0e85 Mon Sep 17 00:00:00 2001
From: Florian Scholdei <florian.scholdei@cloudogu.com>
Date: Mon, 31 May 2021 08:34:26 +0200
Subject: [PATCH] Fix administration page error for empty release feed url
 (#1667)

---
 gradle/changelog/empty_release_feed_url.yaml |  2 ++
 scm-ui/ui-api/src/admin.ts                   | 15 +++++++++++----
 2 files changed, 13 insertions(+), 4 deletions(-)
 create mode 100644 gradle/changelog/empty_release_feed_url.yaml

diff --git a/gradle/changelog/empty_release_feed_url.yaml b/gradle/changelog/empty_release_feed_url.yaml
new file mode 100644
index 0000000000..551f9f31c8
--- /dev/null
+++ b/gradle/changelog/empty_release_feed_url.yaml
@@ -0,0 +1,2 @@
+- type: fixed
+  description: Fix administration page error for empty release feed url ([#1667](https://github.com/scm-manager/scm-manager/pull/1667))
diff --git a/scm-ui/ui-api/src/admin.ts b/scm-ui/ui-api/src/admin.ts
index 4a8cbbb7f0..872798cb60 100644
--- a/scm-ui/ui-api/src/admin.ts
+++ b/scm-ui/ui-api/src/admin.ts
@@ -22,14 +22,21 @@
  * SOFTWARE.
  */
 
-import { ApiResult, useRequiredIndexLink } from "./base";
+import { ApiResult, useIndexLink } from "./base";
 import { UpdateInfo } from "@scm-manager/ui-types";
 import { useQuery } from "react-query";
 import { apiClient } from "@scm-manager/ui-components";
 
 export const useUpdateInfo = (): ApiResult<UpdateInfo | null> => {
-  const indexLink = useRequiredIndexLink("updateInfo");
-  return useQuery<UpdateInfo | null, Error>("updateInfo", () =>
-    apiClient.get(indexLink).then(response => (response.status === 204 ? null : response.json()))
+  const indexLink = useIndexLink("updateInfo");
+  return useQuery<UpdateInfo | null, Error>(
+    "updateInfo",
+    () => {
+      if (!indexLink) {
+        throw new Error("could not find index data");
+      }
+      return apiClient.get(indexLink).then((response) => (response.status === 204 ? null : response.json()));
+    },
+    { enabled: !!indexLink }
   );
 };