Sleuth can now track deployments and metrics for any git repository, including those behind a firewall. Instead of connecting to your GitHub or Bitbucket repositories and retrieving information, there is now a "Custom Git" repository type option that lets you use a CLI tool, sleuth-client, to push commit information into Sleuth, giving you full control over what source code information Sleuth sees.

To use it, select the option into the drop down:

After the code deployment source is created, use the  sleuth-client to register deploys:

For more information, see the documentation