From 310cebb0283f52e1431cd0aeb74c86d77b31a63c Mon Sep 17 00:00:00 2001
From: JohnMcPMS <johnmcp@microsoft.com>
Date: Sun, 24 Sep 2023 10:06:01 -0700
Subject: [PATCH] Add a bit of randomness to the wait time after source update
 failure (#3661)

---
 src/AppInstallerRepositoryCore/RepositorySource.cpp | 7 ++++++-
 src/AppInstallerRepositoryCore/pch.h                | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/AppInstallerRepositoryCore/RepositorySource.cpp b/src/AppInstallerRepositoryCore/RepositorySource.cpp
index b3522a763b..156c38f1fe 100644
--- a/src/AppInstallerRepositoryCore/RepositorySource.cpp
+++ b/src/AppInstallerRepositoryCore/RepositorySource.cpp
@@ -53,7 +53,12 @@ namespace AppInstaller::Repository
             CATCH_LOG();
 
             AICLI_LOG(Repo, Info, << "Source add/update failed, waiting a bit and retrying: " << details.Name);
-            std::this_thread::sleep_for(2s);
+
+            // Add a bit of randomness to the retry wait time
+            std::default_random_engine randomEngine(std::random_device{}());
+            std::uniform_int_distribution<long long> distribution(2000, 10000);
+
+            std::this_thread::sleep_for(std::chrono::milliseconds(distribution(randomEngine)));
 
             // If this one fails, maybe the problem is persistent.
             result = (factory.get()->*member)(details, progress);
diff --git a/src/AppInstallerRepositoryCore/pch.h b/src/AppInstallerRepositoryCore/pch.h
index 09c622c1b2..df1d971c19 100644
--- a/src/AppInstallerRepositoryCore/pch.h
+++ b/src/AppInstallerRepositoryCore/pch.h
@@ -55,6 +55,7 @@
 #include <map>
 #include <memory>
 #include <optional>
+#include <random>
 #include <set>
 #include <string>
 #include <string_view>