double quoted strings in env.txt files

[Simon Glass]

Hi Holger,

On Thu, 3 Nov 2022 at 02:18, Holger Brunck
<holger.brunck at hitachienergy.com> wrote:
>
> Hi all,
> I currently try to convert some boards to the new env.txt files and this works quite well so far.
> But I encountered one problem which I am not sure how to solve it.
>
> If I  have some string in a Kconfig file defined like:
> config KM_DEF_NETDEV
>        string "Default Netdevice"
>        default "eth0"
>
> When I use this config now in one of the env.txt files:
> netdev=CONFIG_KM_DEF_NETDEV
>
> I end up with:
> netdev="eth0"
> formerly in the environment I had:
> netdev=eth0
>
> So in this case I would like to strip away the double quoted string and I don't see that
> there is a way to do so. Surely there would be some workarounds to solve
> this but as I have this at several places and I can imagine that this will hit others too,
> it might be good to think about a general way to solve this.
> For example we could add a tag around these CONFIG options in such cases
> which then can be parsed in the script processing the env.txt to strip away the double
> quotes.
>
> Any ideas about this? Or is there already a way to solve this problem which I miss?

I am not sure how to solve this in general, since sometimes we need
the quotes. But I will send a patch that can solve it for this
particular case.

Regards,
SImon