From c308774bc17c8193d7c2c61cc4cbe6cd8b7e48f0 Mon Sep 17 00:00:00 2001
From: Amjad Masad <amasad@fb.com>
Date: Wed, 9 Sep 2015 15:59:35 -0700
Subject: [PATCH] Protect against races in deleting corrupt cache

Reviewed By: @cpojer

Differential Revision: D2426450
---
 react-packager/src/lib/loadCacheSync.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/react-packager/src/lib/loadCacheSync.js b/react-packager/src/lib/loadCacheSync.js
index 64188365..d04ec093 100644
--- a/react-packager/src/lib/loadCacheSync.js
+++ b/react-packager/src/lib/loadCacheSync.js
@@ -20,7 +20,11 @@ function loadCacheSync(cachePath) {
   } catch (e) {
     if (e instanceof SyntaxError) {
       console.warn('Unable to parse cache file. Will clear and continue.');
-      fs.unlinkSync(cachePath);
+      try {
+        fs.unlinkSync(cachePath);
+      } catch (err) {
+        // Someone else might've deleted it.
+      }
       return Object.create(null);
     }
     throw e;