Add a remote with the default fetch refspec to the repository's
configuration.
@param out_ the resulting remote
@param repo the repository in which to create the remote
@param name the remote's name
@param url the remote's url
@return 0, git_error_code.GIT_EINVALIDSPEC, git_error_code.GIT_EEXISTS or an error code
Add a remote with the default fetch refspec to the repository's configuration.
@param out_ the resulting remote @param repo the repository in which to create the remote @param name the remote's name @param url the remote's url @return 0, git_error_code.GIT_EINVALIDSPEC, git_error_code.GIT_EEXISTS or an error code