[PATCH v5 3/5] env: Allow U-Boot scripts to be placed in a .env file

[Simon Glass]

Hi Wolfgang,

On Tue, 5 Oct 2021 at 08:56, Wolfgang Denk <wd at denx.de> wrote:
>
> Dear Simon,
>
> In message <CAPnjgZ1tRi5SsqU0K8HXgj-4xCs7i9TLX4Mj0_D=Cpj8BAn32w at mail.gmail.com> you wrote:
> >
> > > > Add a feature that brings in a .env file associated with the board
> > > > config, if present. To use it, create a file in a board/<vendor>/env
> > > > directory called <board>.env (or common.env if you want the same
> > > > environment for all boards).
> > >
> > > This should be no exclusive "or" here. If a common.env exists, it
> > > should be used for all boards, and if additionally one ore more
> > > <board>.env files exist, these should ALSO be applied to the
> > > respective boards.
> >
> > Is it not enough to use #include in the main file? We have a similar
> > feature with the u-boot.dtsi files and in that case we only choose the
> > most specific.
>
> 1) This requires that the .env files are run through CPP, which is
>    only added in a later patch.

OK perhaps I should just merge the patches. It is a bit artificial
having two and it seems that people agree we need the += syntax.
>
> 2) Even if I add an "#include board/<vendor>/env/common.env" in my
>    <board>.env files, your logic would trigger on the existence of
>    the common.env file and ignore the <board>.env files.

OK, so I if reverse that, are you happy? What do you think about my
explanation above?

Regards,
Simon