Patch for Drupal IMCE 1.6 module to make it work better on Pantheon

imce_pantheon.patch

diff --git a/inc/imce.page.inc b/inc/imce.page.inc
index 5c60d53..1598f8b 100644
--- a/inc/imce.page.inc
+++ b/inc/imce.page.inc
@@ -682,9 +682,19 @@ function imce_validate_quotas($file, &$imce, $add = 0) {
  */
 if (variable_get('imce_image_get_info', 0)) {
   function imce_image_info($file) {
+    if (function_exists('apc_fetch')) {
+      $cache = apc_fetch($file);
+      if ($cache) {
+        return $cache;
+      }
+    }
     $mimes = array('image/jpeg' => IMAGETYPE_JPEG, 'image/gif'  => IMAGETYPE_GIF, 'image/png'  => IMAGETYPE_PNG);
     if (is_file($file) && ($dot = strrpos($file, '.')) && in_array(strtolower(substr($file, $dot+1)), array('jpg', 'jpeg', 'gif', 'png')) && ($info = @image_get_info($file)) && isset($mimes[$info['mime_type']]) ) {
-      return array('width' => $info['width'], 'height' => $info['height'], 'type' => $mimes[$info['mime_type']], 'mime' => $info['mime_type']);
+      $result = array('width' => $info['width'], 'height' => $info['height'], 'type' => $mimes[$info['mime_type']], 'mime' => $info['mime_type']);
+      if (function_exists('apc_add')) {
+        apc_add($file, $result);
+      }
+      return $result;
     }
     return FALSE;
   }
@@ -980,7 +990,7 @@ function imce_scan_directory($dirname, $imce) {
   while (($file = readdir($handle)) !== FALSE) {

     // Do not include dot files and folders
-    if (substr($file, 0, 1) === '.') {
+    if ((substr($file, 0, 1) === '.') || $file == 'lost+found') {
       continue;
     }