linux-kernel - Re: [PATCH] Coccinelle: make DEBUG

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Date:   Tue, 7 Nov 2017 09:24:45 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Julia Lawall <julia.lawall@...6.fr>
Cc:     "Luis R . Rodriguez" <mcgrof@...nel.org>,
        kernel-janitors@...r.kernel.org,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Michal Marek <michal.lkml@...kovi.net>, cocci@...teme.lip6.fr,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Coccinelle: make DEBUG_FILE option more useful

2017-10-26 13:02 GMT+09:00 Julia Lawall <julia.lawall@...6.fr>:
>
>
> On Thu, 26 Oct 2017, Masahiro Yamada wrote:
>
>> Hi Julia,
>>
>>
>> 2017-10-15 18:55 GMT+09:00 Julia Lawall <Julia.Lawall@...6.fr>:
>> > Make coccicheck checked for the existence of DEBUG_FILE on each semantic
>> > patch, and bailed if it already existed.  This meant that DEBUG_FILE was
>> > useless for checking more than one semantic patch at a time.  Now the check
>> > is moved to the start of make coccicheck, and the 2> is changed to a 2>> to
>> > append to the file on each semantic patch.  Furthermore, the spatch command
>> > that is run for each semantic patch is also added to the DEBUG_FILE, to
>> > make clear what each stdout trace corresponds to.
>> >
>> > Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
>> >
>>
>> I think this is a good improvement,
>> and looks almost good to me.
>>
>> Just one nit.
>>
>>
>> >
>> >  }
>> >
>> > +if [ "$DEBUG_FILE" != "/dev/null" -a "$DEBUG_FILE" != "" ]; then
>> > +       if [ -f $DEBUG_FILE ]; then
>> > +               echo "Debug file $DEBUG_FILE exists, bailing"
>> > +               exit
>> > +       fi
>> > +       touch $DEBUG_FILE
>>
>> I think this "touch" is redundant.
>>
>> If the DEBUG_FILE does not exist, 2>> will automatically create it.
>
> Thanks very much for the feedback.  I will resubmit.
>
> julia
>
>

Remove the redundant "touch"
and applied to linux-kbuild/misc.



-- 
Best Regards
Masahiro Yamada