From 46e82cb38d96d4b2ca875c877922d84f5f0459cc Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Thu, 26 Sep 2013 12:23:57 +0200
Subject: [PATCH] Retry json file writing 3 times before failing, fixes #2286

---
 src/Composer/Json/JsonFile.php | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Json/JsonFile.php b/src/Composer/Json/JsonFile.php
index f7e1a2126..155f17e6e 100644
--- a/src/Composer/Json/JsonFile.php
+++ b/src/Composer/Json/JsonFile.php
@@ -117,7 +117,21 @@ class JsonFile
                 );
             }
         }
-        file_put_contents($this->path, static::encode($hash, $options). ($options & self::JSON_PRETTY_PRINT ? "\n" : ''));
+
+        $retries = 3;
+        while ($retries--) {
+            try {
+                file_put_contents($this->path, static::encode($hash, $options). ($options & self::JSON_PRETTY_PRINT ? "\n" : ''));
+                break;
+            } catch (\Exception $e) {
+                if ($retries) {
+                    usleep(500000);
+                    continue;
+                }
+
+                throw $e;
+            }
+        }
     }
 
     /**