Set the umask in the settings.php file, so that directories created by the web...

Set the umask in the settings.php file, so that directories created by the web server remain writable. Also chmod on the files directory is no longer generating an error. This is a critical issue that stopped verification, deleting and migration of any site with imagecache enabled. namely all open atrium sites. also fix #533034

platform/backup.provision.inc

@@ -50,7 +50,7 @@ function drush_provision_drupal_provision_backup($url) {
   $backup_file = drush_get_option('backup_file');
   // Adds the site directory into the backup file
   drush_log(dt("Adding sites directory to !backup_file", array('!backup_file' => $backup_file)), 'backup');
-  $result = provision_shell_exec("tar -C %s -p -r -f %s .", drush_get_option('sites_path') . "/$url",  $backup_file);
+  $result = provision_shell_exec("tar -C %s -p -c -f %s .", drush_get_option('sites_path') . "/$url",  $backup_file);
 
   if (!$result && !drush_get_option('force', false)) {
     drush_set_error('PROVISION_BACKUP_FAILED', dt("Could not back up sites directory for drupal"));

platform/provision_drupal.drush.inc

@@ -242,8 +242,8 @@ function _provision_drupal_create_directories($url, $profile = NULL) {
 
     provision_path("chmod_recursive", $path, $perm, 
       dt("Changed permissions of <code>@path</code> to @confirm"),
-      dt("Could not change permissions <code>@path</code> to @confirm"),
-      'DRUSH_PERM_ERROR');
+      dt("Could not change permissions <code>@path</code> to @confirm")
+      );
   }
   foreach ($grps as $path) {
       provision_path("chown_recursive", $path, drush_get_option('script_user'), 

platform/provision_drupal_settings.tpl.php

@@ -31,6 +31,12 @@
   @ini_set('session.use_trans_sid',    0);
   @ini_set('url_rewriter.tags',        '');
 
+  /**
+  * Set the umask so that new directories created by Drupal have the correct permissions
+  */
+  umask(0002);
+
+
   global $conf;
   $conf['file_directory_path'] = conf_path() . '/files';
   $conf['file_directory_temp'] = conf_path() . '/files/tmp';