Add retry logic for flaky git operations

Fix #132218

test/smoke/src/utils.ts

@@ -68,3 +68,23 @@ export function timeout(i: number) {
 		}, i);
 	});
 }
+
+export interface ITask<T> {
+	(): T;
+}
+
+export async function retry<T>(task: ITask<Promise<T>>, delay: number, retries: number): Promise<T> {
+	let lastError: Error | undefined;
+
+	for (let i = 0; i < retries; i++) {
+		try {
+			return await task();
+		} catch (error) {
+			lastError = error;
+
+			await timeout(delay);
+		}
+	}
+
+	throw lastError;
+}