[PATCH v9 3/7] env: Allow U-Boot scripts to be placed in a .env file

[Wolfgang Denk]

Dear Tom,

In message <20211024164404.GQ3577824 at bill-the-cat> you wrote:
> 
> > It is a convenience tool, and it is OK if it has a few restrictions,
> > like for the character set of supported variable names.
> > 
> > But:
> > 
> > 1) These restrictions must be clearly documented, both in the commit
> >    message and in the related documentation/readme.
> > 2) There should be another, more primitive way to generate
> >    environment settings without these restrictions..
>
> First, in that we don't have tests today for any of the "interesting"
> possible variable options, I have no clue which ones even work as
> intended.
>
> Second, yes, an end result here should be that yes, the default
> environment should be more easily buildable and integrated with
> arbitrary tools, so if something else can parse it (libubootenv?) it can
> be done.

Actually I have an even more low-level approach in mind, like the
capability to include (or rather import) binary U-Boot environment
data given in the usual

	<name1>=<value1>\0...<nameN>=<valueN>\0\0

form.  This might come in handy if your data comes from exporting
the environmentof a running system.

Best regards,

Wolfgang Denk

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