linux-kernel - Re: [PATCH] tools: bootconfig: Regex brackets need escape

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Message-ID: <aG3aOy4LaUp1JOf5_Gentoo@unixbhaskar-laptop>
Date: Wed, 9 Jul 2025 08:25:55 +0530
From: Bhaskar Chowdhury <unixbhaskar@...il.com>
To: Masami Hiramatsu <mhiramat@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH] tools: bootconfig:  Regex brackets need escape

On 11:12 Wed 09 Jul 2025, Masami Hiramatsu wrote:
>Hi Bhaskar,
>
>On Tue,  8 Jul 2025 14:46:08 +0530
>Bhaskar Chowdhury <unixbhaskar@...il.com> wrote:
>
>> It was showing malformed syntax colors below those lines,escaping the posix
>> class brackets bring back the syntatic reference back.
>>
>> Oh, malformed syntax colors means,(in a editor,in this case Vim, where syntax
>> highlight is on). In essence, it might complain while running the script.
>
>Hmm, that means your editor's parser's bug, right?
>
>>
>> Hence, this trivialities.
>>
>> Signed-off-by: Bhaskar Chowdhury <unixbhaskar@...il.com>
>> ---
>>  tools/bootconfig/test-bootconfig.sh | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/tools/bootconfig/test-bootconfig.sh b/tools/bootconfig/test-bootconfig.sh
>> index a2c484c243f5..211409539737 100755
>> --- a/tools/bootconfig/test-bootconfig.sh
>> +++ b/tools/bootconfig/test-bootconfig.sh
>> @@ -167,8 +167,8 @@ echo > $INITRD
>>
>>  xpass $BOOTCONF -a $TEMPCONF $INITRD
>>  $BOOTCONF $INITRD > $OUTFILE
>> -xfail grep -q val[[:space:]] $OUTFILE
>> -xpass grep -q val2[[:space:]] $OUTFILE
>> +xfail grep -q val\[\[:space:\]\] $OUTFILE
>> +xpass grep -q val2\[\[:space:\]\] $OUTFILE
>
>Can you escape it by quotations? In that case, it is acceptable
>as a cleanup. e.g. 'val[[:space:]]'.
>
Yup...looks sane with quotation....sending you V2 in a while.

>Thank you,
>
>
>>
>>  echo "=== expected failure cases ==="
>>  for i in samples/bad-* ; do
>> --
>> 2.49.0
>>
>
>
>--
>Masami Hiramatsu (Google) <mhiramat@...nel.org>

--
Thanks,
Bhaskar

"Here's looking at you kid"-- Casablanca
https://about.me/unixbhaskar