If a configuration file has not been set, the default
config set for the repository will be returned, including
global and system configurations (if they are available).
The configuration file must be freed once it's no longer
being used by the user.
@param out_ Pointer to store the loaded configuration
@param repo A repository object
@return 0, or an error code
Get the configuration file for this repository.
If a configuration file has not been set, the default config set for the repository will be returned, including global and system configurations (if they are available).
The configuration file must be freed once it's no longer being used by the user.
@param out_ Pointer to store the loaded configuration @param repo A repository object @return 0, or an error code