[PATCH 0/3] teach 'env default' to optionally keep runtime variables

[Rasmus Villemoes]

On Wed, Oct 30 2024, Rasmus Villemoes <ravi at prevas.dk> wrote:

> Doing bringup of a board, part of my bootstrap logic is in U-Boot. So
> when tweaking that logic, I was bitten by a previous completed
> bootstrap having left a copy of the environment on the device, which
> was imported and thus overrided the new logic.
>
> So I thought, "ok, I'll just make sure to put 'env default -a' as the
> first part of the bootstrap logic so I'm not bitten again". Alas, my
> logic also relies on certain variables that are set by C code
> (e.g. for detecting board variant), and doing 'env default -a' also
> eliminates those.
>
> Looking around, the hashtab code already supports a flag that does
> exactly what I need, and exposing that is (morally) a one-liner.
>

ping