Whether you're using Git, or some other source control system, there are certain files in a SalesLogix model that you do not want to include in your source control. Many part of the files in an exported SalesLogix model are automatically generated by the Application Architect and by the build process when you build your web platform. Having these files under source control would only complicate things when working with multiple developers since you'd each need to merge these automatically generated files with each pull/checkout from source control since they change every time.
Read more