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From:   Masahiro Yamada <yamada.masahiro@socionext.com>
Date:   Thu, 3 May 2018 01:13:36 +0900
Message-ID: <CAK7LNARbfOrqSb_n0q=q2-6JMAVfCfEzY4-ES3P-CL2y9UyUoA@mail.gmail.com>
Subject: Re: [PATCH] kbuild/debian: Use KBUILD_BUILD_* when set
To:     Riku Voipio <riku.voipio@linaro.org>
Cc:     Mathieu Malaterre <malat@debian.org>,
        Michal Marek <michal.lkml@markovi.net>,
        linux-kbuild <linux-kbuild@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>
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2018-05-02 20:30 GMT+09:00 Riku Voipio <riku.voipio@linaro.org>:
> On 23 April 2018 at 22:50, Mathieu Malaterre <malat@debian.org> wrote:
>> Be nice to the user and check env vars KBUILD_BUILD_USER &
>> KBUILD_BUILD_HOST when those are set.
>
> mkdebian sets the maintainer address as "$name <$email>", but this
> patch only sets the email part. I also wonder about the precedence, I
> think KBUILD_* should be considered over the generic Debian variables.

How come?


If you see scripts/mkcompile_h,
KBUILD_BUILD_USER and KBUILD_BUILD_HOST are used
for overriding 'whoami' and 'hostname', respectively.

So, I think it is reasonable to put

  email=$KBUILD_BUILD_USER@$KBUILD_BUILD_HOST

over

  email=$(id -nu)@$(hostname -f 2>/dev/null || hostname)


But, it is questionable to put it even over $DEBEMAIL.


I think the intention of this patch is to support
another (a bit better) fallback in case DEBEMAIL is not set.


> Riku
>
>> Signed-off-by: Mathieu Malaterre <malat@debian.org>
>> ---
>>  scripts/package/mkdebian | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
>> index 6adb3a16ba3b..05d58d3ae8a0 100755
>> --- a/scripts/package/mkdebian
>> +++ b/scripts/package/mkdebian
>> @@ -76,6 +76,8 @@ if [ -n "$DEBEMAIL" ]; then
>>         email=$DEBEMAIL
>>  elif [ -n "$EMAIL" ]; then
>>         email=$EMAIL
>> +elif [ -n "$KBUILD_BUILD_USER" ] && [ -n "$KBUILD_BUILD_HOST" ]; then
>> +       email=$KBUILD_BUILD_USER@$KBUILD_BUILD_HOST
>>  else
>>         email=$(id -nu)@$(hostname -f 2>/dev/null || hostname)
>>  fi
>> --
>> 2.11.0
>>
>> --
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-- 
Best Regards
Masahiro Yamada