David Leangen <postgres@leangen.net> writes:
> Yes, that is my point. After having installed the standard postgresql
> package, I would then install my custom-postgres-config package. In
> this package, I tinker with the default configuration so I can put
> postgres into a known state programmatically, without any user
> interaction.
> The problem is that createuser doesn't allow for this: it prompts the
> user for a password, which does not work in this situation, as you
> pointed out.
I rather doubt that: the default RPM installation uses ident
authentication. Which has got plenty of downsides, but unexpected
password prompts is not one of them. Perhaps you are making your
configuration changes in a bad order?
regards, tom lane