linux-kernel - Re: [PATCH v2 -next] scripts: add compare-config utility

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Message-ID: <ddb5b0f5-bdfd-9a8e-cc58-e4bb73813b80@huawei.com>
Date:   Wed, 13 Apr 2022 17:23:07 +0800
From:   chenlifu <chenlifu@...wei.com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 -next] scripts: add compare-config utility



在 2022/4/13 0:51, Randy Dunlap 写道:
> Hi--
> 
> On 4/12/22 01:30, Chen Lifu wrote:
>> This is an alternative utility to compare two .config files. Unlike
>> existing utilities "diffconfig" in the kernel tree, it prints detailed
>> results in table style, and support config name prefix so that it can be
>> used elsewhere. It is useful sometimes, for example, to analyze .config files
>> through tables, or to compare Buildroot .config.
>>
>> With grep and awk, it can print similar results like "diffconfg" as well.
>>
>> Signed-off-by: Chen Lifu <chenlifu@...wei.com>
> 
> Is your goal to have this merged into the kernel source tree?
> If so, you should also send the patch the the kconfig maintainer and
> mailing list.
> 
> The output is quite verbose in its default mode (no options specified).
> To get something useful, I use -C -O -N.
> 
> For my uses and preferences, I would like to see a -D (e.g.) which
> is just a combination of -CON. And it would be nice if that was the
> default mode also. :)
> 
>> ---
>> Changes in v2:
>> - Add config name prefix support
>>
>>   scripts/compare-config | 201 +++++++++++++++++++++++++++++++++++++++++
>>   1 file changed, 201 insertions(+)
>>   create mode 100755 scripts/compare-config
> 
> thanks.
> 

Hi, Randy，
Thanks for your friendly comment, I will add -D option and set it as 
default mode.

Chen Lifu