From c79f47c65c007f57b54dca94f2b0f0e4d32d1972 Mon Sep 17 00:00:00 2001
From: Vladimir <sleuths.slews0s@icloud.com>
Date: Fri, 7 Nov 2025 12:38:04 +0100
Subject: [PATCH] fix(forks): do not fail with Windows Defender enabled (#8967)

---
 packages/vitest/src/node/environments/fetchModule.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/vitest/src/node/environments/fetchModule.ts b/packages/vitest/src/node/environments/fetchModule.ts
index 6b01d1d53..91633afc9 100644
--- a/packages/vitest/src/node/environments/fetchModule.ts
+++ b/packages/vitest/src/node/environments/fetchModule.ts
@@ -139,7 +139,6 @@ export function createFetchModuleFunction(
     }
     if (promises.has(tmp)) {
       await promises.get(tmp)
-      Reflect.set(transformResult, '_vitestTmp', tmp)
       return getCachedResult(result, tmp)
     }
     promises.set(
@@ -148,7 +147,10 @@ export function createFetchModuleFunction(
       atomicWriteFile(tmp, code)
         // Fallback to non-atomic write for windows case where file already exists:
         .catch(() => writeFile(tmp, code, 'utf-8'))
-        .finally(() => promises.delete(tmp)),
+        .finally(() => {
+          Reflect.set(transformResult, '_vitestTmp', tmp)
+          promises.delete(tmp)
+        }),
     )
     await promises.get(tmp)
     return getCachedResult(result, tmp)
-- 
2.51.2