Re: [PATCH v6 4/4] hook: introduce the receive-report hook

> diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
> index 9ac10465ac..edfd5cf9dc 100644
> --- a/builtin/receive-pack.c
> +++ b/builtin/receive-pack.c
> @@ -2535,6 +2570,13 @@ static void update_shallow_info(struct command *commands,
>  	free(ref_status);
>  }
>  
> +static void override_cmds_error(struct command *commands, const char *err)
> +{
> +	for (struct command *cmd = commands; cmd; cmd = cmd->next) {
> +		cmd->error_string = err;
> +	}
> +}