add database upgrade to update the mimetype for files listed as

'application/octet-stream' (bug #520739)
Signed-off-by: Evan Goldenberg <evangoldenberg@gmail.com>

htdocs/lib/db/upgrade.php

@@ -1339,6 +1339,15 @@ function xmldb_core_upgrade($oldversion=0) {
         set_config('userscanchooseviewthemes', 1);
     }
 
+    if ($oldversion < 2010012702) {
+        if ($records = get_records_sql_array("SELECT * FROM {artefact_file_files} WHERE filetype='application/octet-stream'", array())) {
+            foreach ($records as &$r) {
+                $path = get_config('dataroot') . 'artefact/file/originals/' . $r->fileid % 256 . '/' . $r->fileid;
+                set_field('artefact_file_files', 'filetype', mime_content_type($path), 'fileid', $r->fileid);
+            }
+        }
+    }
+
     return $status;
 
 }

htdocs/lib/version.php

@@ -28,7 +28,7 @@
 defined('INTERNAL') || die();
 
 $config = new StdClass;
-$config->version = 2010012701;
+$config->version = 2010012702;
 $config->release = '1.3.0dev';
 $config->minupgradefrom = 2008040200;
 $config->minupgraderelease = '1.0.0 (release tag 1.0.0_RELEASE)';