In this article, the author discusses the ability to conditionally include Git configuration files, which allows users to configure Git to behave differently based on certain conditions. The article provides an example of how to use the “includeIf” keyword to include a specific configuration file for repositories in a specified directory path. This feature allows users to override system-wide Git configuration values for specific repositories, such as using a different email address for work-related repositories. The author also mentions that this mechanism is more efficient than applying per-repository configuration settings. Overall, it is a potentially powerful feature for customizing Git behavior.
https://blog.scottlowe.org/2023/12/15/conditional-git-configuration/