From 244a46fdea371cead1dec4bcdaf0da72de960941 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 13 May 2015 04:42:57 -0400
Subject: [PATCH] Fix missing index update after write() call

---
 program/lib/Roundcube/rcube_cache_shared.php |   25 +++++++++++++++++++------
 1 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/program/lib/Roundcube/rcube_cache_shared.php b/program/lib/Roundcube/rcube_cache_shared.php
index fa29b54..d025de8 100644
--- a/program/lib/Roundcube/rcube_cache_shared.php
+++ b/program/lib/Roundcube/rcube_cache_shared.php
@@ -161,7 +161,7 @@
         // Remove all keys
         if ($key === null) {
             $this->cache         = array();
-            $this->cache_changed = false;
+            $this->cache_changed = true;
             $this->cache_changes = array();
             $this->cache_sums    = array();
         }
@@ -338,7 +338,15 @@
         }
 
         if ($this->type == 'memcache' || $this->type == 'apc') {
-            return $this->add_record($this->ckey($key), $data);
+            $result = $this->add_record($this->ckey($key), $data);
+
+            // make sure index will be updated
+            if ($result && !array_key_exists($key, $this->cache_sums)) {
+                $this->cache_changed    = true;
+                $this->cache_sums[$key] = true;
+            }
+
+            return $result;
         }
 
         $key_exists = array_key_exists($key, $this->cache_sums);
@@ -496,10 +504,15 @@
 
         // Make sure index contains new keys
         foreach ($this->cache as $key => $value) {
-            if ($value !== null) {
-                if (array_search($key, $this->index) === false) {
-                    $this->index[] = $key;
-                }
+            if ($value !== null && !in_array($key, $this->index)) {
+                $this->index[] = $key;
+            }
+        }
+
+        // new keys added using self::write()
+        foreach ($this->cache_sums as $key => $value) {
+            if ($value === true && !in_array($key, $this->index)) {
+                $this->index[] = $key;
             }
         }
 

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