diff --git a/indefero/scripts/calculateforgecron.php b/indefero/scripts/calculateforgecron.php
new file mode 100644
index 0000000..0ac5683
--- /dev/null
+++ b/indefero/scripts/calculateforgecron.php
@@ -0,0 +1,109 @@
+<?php
+
+/**
+ * Get a forge size.
+ *
+ * @return array Associative array with the size of each element
+ */
+function IDF_Views_Admin_getForgeSize($force=false)
+{
+    $conf = new IDF_Gconf();
+    $conf->setModel((object) array('_model'=>'IDF_Forge', 'id'=> 1));
+    $res = array();
+    $res['repositories'] = 0;
+    foreach (Pluf::factory('IDF_Project')->getList() as $prj) {
+        $size = $prj->getRepositorySize($force);
+        if ($size != -1) {
+            $res['repositories'] += $size;
+        }
+    }
+    $last_eval = $conf->getVal('downloads_size_check_date', 0);
+    if (Pluf::f('idf_no_size_check', false) or
+        (!$force and $last_eval > time()-172800)) {
+        $res['downloads'] = $conf->getVal('downloads_size', 0);
+    } else {
+        $conf->setVal('downloads_size_check_date', time());
+        $total = 0;
+        foreach(Pluf::factory("IDF_Upload")->getList() as $issuefile)
+        {
+            $total += $issuefile->filesize;
+        }
+        $res['downloads'] = $total;
+        $conf->setVal('downloads_size', $res['downloads']);
+    }
+    $last_eval = $conf->getVal('attachments_size_check_date', 0);
+    if (Pluf::f('idf_no_size_check', false) or
+        (!$force and $last_eval > time()-172800)) {
+        $res['attachments'] = $conf->getVal('attachments_size', 0);
+    } else {
+        $total = 0;
+        foreach(Pluf::factory("IDF_IssueFile")->getList() as $issuefile)
+        {
+            $total += $issuefile->filesize;
+        }
+        $res['attachments'] = $total;
+        $conf->setVal('attachments_size_check_date', time());
+        $conf->setVal('attachments_size', $res['attachments']);
+    }
+    $last_eval = $conf->getVal('database_size_check_date', 0);
+    if (Pluf::f('idf_no_size_check', false) or
+        (!$force and $last_eval > time()-172800)) {
+        $res['database'] = $conf->getVal('database_size', 0);
+    } else {
+        $conf->setVal('database_size_check_date', time());
+        $res['database'] = IDF_Views_Admin_getForgeDbSize();
+        $conf->setVal('database_size', $res['database']);
+    }
+    $res['total'] = $res['repositories'] + $res['downloads'] + $res['attachments'] + $res['database'];
+    return $res;
+}
+
+/**
+ * Get the database size as given by the database.
+ *
+ * @return int Database size
+ */
+function IDF_Views_Admin_getForgeDbSize()
+{
+    $db = Pluf::db();
+    if (Pluf::f('db_engine') == 'SQLite') {
+        return filesize(Pluf::f('db_database'));
+    }
+    switch (Pluf::f('db_engine')) {
+        case 'PostgreSQL':
+            $sql = 'SELECT relname, pg_total_relation_size(CAST(relname AS
+TEXT)) AS size FROM pg_class AS pgc, pg_namespace AS pgn
+     WHERE pg_table_is_visible(pgc.oid) IS TRUE AND relkind = \'r\'
+     AND pgc.relnamespace = pgn.oid
+     AND pgn.nspname NOT IN (\'information_schema\', \'pg_catalog\')';
+            break;
+        case 'MySQL':
+        default:
+            $sql = 'SHOW TABLE STATUS FROM `'.Pluf::f('db_database').'`';
+            break;
+    }
+    $rs = $db->select($sql);
+    $total = 0;
+    switch (Pluf::f('db_engine')) {
+        case 'PostgreSQL':
+            foreach ($rs as $table) {
+                $total += $table['size'];
+            }
+            break;
+        case 'MySQL':
+        default:
+            foreach ($rs as $table) {
+                $total += $table['Data_length'] + $table['Index_length'];
+            }
+            break;
+    }
+    return $total;
+}
+
+require dirname(__FILE__).'/../src/IDF/conf/path.php';
+require 'Pluf.php';
+Pluf::start(dirname(__FILE__).'/../src/IDF/conf/idf.php');
+
+Pluf_Dispatcher::loadControllers(Pluf::f('idf_views'));
+
+IDF_Views_Admin_getForgeSize(true);
\ No newline at end of file
diff --git a/indefero/src/IDF/Views/Admin.php b/indefero/src/IDF/Views/Admin.php
index 30ed598..895904d 100644
--- a/indefero/src/IDF/Views/Admin.php
+++ b/indefero/src/IDF/Views/Admin.php
@@ -628,14 +628,16 @@ function IDF_Views_Admin_getForgeSize($force=false)
     }
     $last_eval = $conf->getVal('downloads_size_check_date', 0);
     if (Pluf::f('idf_no_size_check', false) or
-              (!$force and $last_eval > time()-172800)) {
+        (!$force and $last_eval > time()-172800)) {
         $res['downloads'] = $conf->getVal('downloads_size', 0);
     } else {
         $conf->setVal('downloads_size_check_date', time());
-        $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -sk '
-            .escapeshellarg(Pluf::f('upload_path'));
-        $out = explode(' ', shell_exec($cmd), 2);
-        $res['downloads'] = $out[0]*1024;
+        $total = 0;
+        foreach(Pluf::factory("IDF_Upload")->getList() as $issuefile)
+        {
+            $total += $issuefile->filesize;
+        }
+        $res['downloads'] = $total;
         $conf->setVal('downloads_size', $res['downloads']);
     }
     $last_eval = $conf->getVal('attachments_size_check_date', 0);
@@ -643,11 +645,13 @@ function IDF_Views_Admin_getForgeSize($force=false)
         (!$force and $last_eval > time()-172800)) {
         $res['attachments'] = $conf->getVal('attachments_size', 0);
     } else {
+        $total = 0;
+        foreach(Pluf::factory("IDF_IssueFile")->getList() as $issuefile)
+        {
+            $total += $issuefile->filesize;
+        }
+        $res['attachments'] = $total;
         $conf->setVal('attachments_size_check_date', time());
-        $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -sk '
-            .escapeshellarg(Pluf::f('upload_path'));
-        $out = explode(' ', shell_exec($cmd), 2);
-        $res['attachments'] = $out[0]*1024;
         $conf->setVal('attachments_size', $res['attachments']);
     }
     $last_eval = $conf->getVal('database_size_check_date', 0);