Drupal development team has released Drupal 5.2 on July 26, 2007.
It fixes two security vulnerabilities, so it is highly recommended
that you upgrade as soon as possible. Many Drupal installations
often contain extra Drupal modules, and almost always the also
contain local customizations.
Question arises: how to upgrade your Drupal installations
We show that Git solves those problems easily.
Read the rest of this article at: http://versioncontrolblog.com/2007/08/02/upgrading-drupal-52-with-git/