Add a remote with the provided fetch refspec (or default if null) 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
@param fetch the remote fetch value
@return 0, git_error_code.GIT_EINVALIDSPEC, git_error_code.GIT_EEXISTS or an error code
Add a remote with the provided fetch refspec (or default if null) 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 @param fetch the remote fetch value @return 0, git_error_code.GIT_EINVALIDSPEC, git_error_code.GIT_EEXISTS or an error code