From 13083e999c936f258080cc5c157711ee2a5b7310 Mon Sep 17 00:00:00 2001
From: Matthew Esposito <matt@matthew.science>
Date: Thu, 27 Jun 2024 23:32:17 -0400
Subject: [PATCH] fix(oauth): handle extremely rare race condition by
 atomically compare_exchanging

---
 src/oauth.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/oauth.rs b/src/oauth.rs
index dd0fe66..2ed2ff7 100644
--- a/src/oauth.rs
+++ b/src/oauth.rs
@@ -131,7 +131,11 @@ pub async fn token_daemon() {
 }
 
 pub async fn force_refresh_token() {
-	OAUTH_IS_ROLLING_OVER.store(true, Ordering::SeqCst);
+	if !OAUTH_IS_ROLLING_OVER.compare_exchange(false, true, Ordering::SeqCst, Ordering::SeqCst).is_ok() {
+		trace!("Skipping refresh token roll over, already in progress");
+		return;
+	}
+
 	trace!("Rolling over refresh token. Current rate limit: {}", OAUTH_RATELIMIT_REMAINING.load(Ordering::SeqCst));
 	OAUTH_CLIENT.write().await.refresh().await;
 	OAUTH_RATELIMIT_REMAINING.store(99, Ordering::SeqCst);