Re: [PATCH 16/33] t3210: test for spurious error messages for dangling packed refs

> +static void parse_expire_value(const char *value, unsigned long *expire)
> +{
> +	if (!strcmp(value, "never") || !strcmp(value, "false"))
> +		*expire = 0;
> +	else if (!strcmp(value, "all") || !strcmp(value, "now"))
> +		/*
> +		 * We take over "now" here, which usually translates
> +		 * to the current timestamp, because the user really
> +		 * means everything she has done in the past, and by
> +		 * definition reflogs are the record of the past,
> +		 * there is nothing from the future to be kept.
> +		 */
> +		*expire = ULONG_MAX;
> +	else
> +		*expire = approxidate(value);
> +}