[Buildroot] [PATCH] merge_config.sh: Fix merging buildroot config files

[Petr Vorel]

Hi Arnout,

> > How about this?
> > https://patchwork.kernel.org/patch/10665119/

>  Perhaps it's better to make the entire pattern explicit, like:

> SED_CONFIG_EXP="s/^\(${CONFIG_PREFIX}[a-zA-Z0-9_]*\)=.*$\|^#
> \(${CONFIG_PREFIX}[a-zA-Z0-9_]*\) is not set$/\1\2/p"

> (\1\2 works because only one of the two subexpressions matches, so either \1 or
> \2 must be empty).
I'd prefer original Masahiro's version - it's easier to read and without
duplicity.

>  Regards,
>  Arnout


Kind regards,
Petr