From c504d1138c78312de1aee4da188ff30298d2eca5 Mon Sep 17 00:00:00 2001
From: patak <matias.capeletto@gmail.com>
Date: Thu, 13 Apr 2023 15:47:21 +0200
Subject: [PATCH 1/2] fix: cleanUpStaleCacheDirs once per process

---
 packages/vite/src/node/optimizer/index.ts | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/packages/vite/src/node/optimizer/index.ts b/packages/vite/src/node/optimizer/index.ts
index ce06da9feef970..a8aa8510ec6d33 100644
--- a/packages/vite/src/node/optimizer/index.ts
+++ b/packages/vite/src/node/optimizer/index.ts
@@ -328,6 +328,8 @@ export function addOptimizedDepInfo(
   return depInfo
 }
 
+let firstLoadCachedDepOptimizationMetadata = true
+
 /**
  * Creates the initial dep optimization metadata, loading it from the deps cache
  * if it exists and pre-bundling isn't forced
@@ -340,16 +342,11 @@ export async function loadCachedDepOptimizationMetadata(
 ): Promise<DepOptimizationMetadata | undefined> {
   const log = asCommand ? config.logger.info : debug
 
-  setTimeout(() => {
-    // Before Vite 2.9, dependencies were cached in the root of the cacheDir
-    // For compat, we remove the cache if we find the old structure
-    if (fs.existsSync(path.join(config.cacheDir, '_metadata.json'))) {
-      emptyDir(config.cacheDir)
-    }
-    // Fire a clean up of stale cache dirs, in case old processes didn't
-    // terminate correctly
-    cleanupDepsCacheStaleDirs(config)
-  }, 100)
+  if (firstLoadCachedDepOptimizationMetadata) {
+    firstLoadCachedDepOptimizationMetadata = false
+    // Fire up a clean up of stale processing deps dirs if older process exited early
+    setTimeout(() => cleanupDepsCacheStaleDirs(config), 0)
+  }
 
   const depsCacheDir = getDepsCacheDir(config, ssr)
 

From 42e1b9fa83fc68014bb8c41a70ecbf2c156fd71b Mon Sep 17 00:00:00 2001
From: patak <matias.capeletto@gmail.com>
Date: Thu, 13 Apr 2023 15:51:04 +0200
Subject: [PATCH 2/2] chore: remove unused import

---
 packages/vite/src/node/optimizer/index.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/vite/src/node/optimizer/index.ts b/packages/vite/src/node/optimizer/index.ts
index a8aa8510ec6d33..a2d53b80cac2aa 100644
--- a/packages/vite/src/node/optimizer/index.ts
+++ b/packages/vite/src/node/optimizer/index.ts
@@ -13,7 +13,6 @@ import type { ResolvedConfig } from '../config'
 import {
   arraify,
   createDebugger,
-  emptyDir,
   flattenId,
   getHash,
   isOptimizable,