What is the best way to modify the file paths for a site deployed using Aegir? 

Aegir installs sites with the file paths pointing in this format:

```
sites/<sitename>/files

```

(This path being relative to the site's platform)

What is the best way to change it to a NAS mount, mounted at, say, `/var/nasmount` ? For e.g., for a site called firstsite.com, the file paths would be:

```
/var/nasmount/firstsite.com/files
/var/nasmount/firstsite.com/files/tmp

```

and so on, along with the the corresponding entries in the site's apache conf file.

These lines appear in /var/aegir/.drush/provision/platform/provision\_drupal\_settings.tpl.php, but I am reluctant to change here as this is from 'core' Aegir (if you will): 

```
  $conf['file_directory_path'] = 'sites/<?php print $this->uri ?>/files';
  $conf['file_directory_temp'] = 'sites/<?php print $this->uri ?>/files/tmp';

```

Should this be done in:

* provision\_drupal\_settings.tpl.php file above?
* Somewhere else?

Ideally, this change would be done once so all sites deployed via Aegir have this in place, and these changes survive the re-verify process of a site and/or platform. 

Thanks!