Constructors for default filesystem-based refdb backend
Under normal usage, this is called for you when the repository is
opened / created, but you can use this to explicitly construct a
filesystem refdb backend for a repository.
@param backend_out Output pointer to the git_refdb_backend object
@param repo Git repository to access
@return 0 on success, <0 error code on failure
Constructors for default filesystem-based refdb backend
Under normal usage, this is called for you when the repository is opened / created, but you can use this to explicitly construct a filesystem refdb backend for a repository.
@param backend_out Output pointer to the git_refdb_backend object @param repo Git repository to access @return 0 on success, <0 error code on failure