Re: pg_dumpall --roles-only interact with other options

On Tue, Mar 03, 2026 at 10:46:51AM +0800, Chao Li wrote:
> ```
> +            pg_fatal("options %s and %s cannot be used together",
> +                     first, opt);
> ```
> 
> The current code also shows a hint upon the error, do we want to retain that?

IMHO the hint is kind of silly because --help doesn't actually provide any
useful information about which options conflict with each other.  Not to
mention that pg_dump doesn't provide a hint for conflicting options.

-- 
nathan