[U-Boot] [RFC PATCH] Allow providing default environment from file

[Lukasz Majewski <lukma@denx.de>]

Hi Rasmus,

> On 2018-01-25 10:30, Lukasz Majewski wrote:
> > Hi Rasmus,
> >   
> >> It is sometimes useful to be able to define the entire default
> >> environment in an external file.  
> > 
> > There is already available script for extracting the environment.
> > 
> > Please look into:
> > ./scripts/get_default_envs.sh
> > 
> > Maybe you can reuse it in this patch?  
> 
> I'm sorry, but I don't see what I could use that for. It seems to do
> the opposite of what I want, 

Sorry. I have had misunderstood the patch description.

> namely extract the default environment
> and store it in a plain-text file. I want to provide a plain-text
> file to define the default environment.

Ok. Then your patch seems perfectly valid.

> 
> It's quite likely that that script can be useful for generating a
> sketch for the external file (i.e., build a U-boot as "usual" with
> default environment built from various config options etc. etc., then
> hand-edit that file to remove redundant stuff and add the things one
> needs). The thing is, having the default environment in an external
> file makes it much easier to put it under version control than having
> to maintain a branch inside the U-boot repo just to tweak
> CONFIG_EXTRA_ENV_SETTINGS.
> 
> Rasmus



Best regards,

Lukasz Majewski

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