Handle errors in push events.

src/webhook.rs

@@ -42,21 +42,29 @@ pub(crate) async fn hook(
     debug!("REQ: {:?}", payload);
     match payload {
         HookRequest::Push(webhook_payload) => {
-            handle_push(
+            let push_result = handle_push(
                 state.gitea,
                 state.kubernetes_client,
                 state.allowed_repos.borrow(),
                 webhook_payload,
             )
-            .await
-            .expect("Failed to handle push event.");
-            (
-                StatusCode::OK,
-                Json(HookResponse {
-                    ok: true,
-                    message: None,
-                }),
-            )
+            .await;
+            match push_result {
+                Ok(_) => (
+                    StatusCode::OK,
+                    Json(HookResponse {
+                        ok: true,
+                        message: None,
+                    }),
+                ),
+                Err(_) => (
+                    StatusCode::INTERNAL_SERVER_ERROR,
+                    Json(HookResponse {
+                        ok: false,
+                        message: Some(format!("Failed to handle push event.")),
+                    }),
+                ),
+            }
         }
         HookRequest::Unrecognized(payload) => (
             StatusCode::BAD_REQUEST,