Check if valid kernel and/or FS

Sascha Hauer s.hauer at
Fri May 25 08:35:31 EDT 2012

On Fri, May 25, 2012 at 12:58:48PM +0200, Benoit RAT wrote:
> Thanks,
> I want to know, if i am using the default environment (the that I am using
> from compilation)
> barebox> no valid environment found on /dev/env0. Using default environment
> Or I am using the one that there is in /dev/env0
> It is in the case someone break something in the NAND flash env, I want to
> save again the default one.

Currently there is no way to detect that, but there is a little trick.
Put a this_is_compiled_in file into your default environment. Then
during startup you can do:

if [ -f /env/this_is_compiled_in ]; then
	echo "Sorry man, you lost your environment"
	rm /env/this_is_compiled_in


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