how to persistently save config values

[Giorgio Dal Molin]

Hi,

thanks for your answer but I think this is not really what I need.
I need a way to configure and change the variable values at runtime.
The envfs with the loadenv and saveenv commands is OK, what I'm missing
is a way to 'edit' the environment before I can save it back to the persistent
storage.

I'm thinking about adding some options to printenv to let it dump the variables
given on its command line to a file.

giorgio


> On September 29, 2017 at 11:27 AM B Gol wrote:
> 
> I just put all the variables in the source directory and then compile again.
> Look inside the following dir and its sub dirs, you'll see all the default(hard coded)
> variables inside it:
> 
> /source-path/barebox-yyyy.mm.d/defaultenv/
> 
> Simply make a text file inside a sub dir.The file name would be your variable name and
> the string inside the file would be the value for that particular variable.
> 
> On Friday, September 29, 2017 12:20 PM, Giorgio Dal Molin wrote:
> 
> Hi,
> 
> I'm working on a new project with an embedded system based on
> 
> a standard intel PC.
> 
> I already have a barebox.efi running on the system; my problem is now
> 
> how to permanently save some variables so that, on restart, they can be
> 
> automatically restored by my '/env/bin/init' script.
> 
> The variables I mean are for example 'eth0.ipaddr' or 'eth0.serveraddr'.
> 
> A solution I used in the past was a custom 'env_dump' command that generated
> 
> a config text file like:
> 
> eth0.ipaddr=10.0.0.15
> 
> eth0.serveraddr=10.0.0.1
> 
> ...
> 
> Then I saved the file with 'saveenv' and restored it back with 'loadenv'.
> 
> Is there a better way to solve this problem ? I don't like very much having to
> 
> write 'custom commands' myself.
> 
> I had a look at the state framework but it seems kinda overkill for what I need.
> 
> giorgio
> 
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