• 5.1 Is it an update or an upgrade?
• 5.2 Incremental upgrade
• 5.3 Listing file differences
• 5.4 Listing package differences
• 5.5 Rollback
• 5.6 Deleting a deployed filetree
• 5.7 Version skipping upgrade
• 5.8 Tracking parent commits
• 5.9 Resetting a branch to a previous commit