[PATCH v1] tools: fix parsing message-id in the headers of email

[zhoumin]

On Wed, Dec 13, 2023 at 12:53PM, Aaron Conole wrote:
> zhoumin <zhoumin at loongson.cn> writes:
>
>> Hi Aaron,
>>
>> Thanks for your reply.
>>
>> On Thur, Dec 7, 2023 7:07PM, Aaron Conole wrote:
>>> Min Zhou <zhoumin at loongson.cn> writes:
>>>
>>>> Some email has the message-id header named "Message-id", like this:
>>>> https://patches.dpdk.org/project/dpdk/patch/20230930010024.34377-1-rdna@apple.com/.
>>>> So add the parsing for this kind of email.
>>>>
>>>> Signed-off-by: Min Zhou <zhoumin at loongson.cn>
>>>> ---
>>> Hi Min,
>>>
>>> I wonder - we will keep having this issue of these header fields being
>>> incorrectly matched based on case issues.
>>>
>>> Maybe we should make getheader have the ability to ignore case, or pass
>>> something like Message-[iI][dD] as the header argument.
>>>
>>> WDYT?
>> Yes, making getheader have the ability to ignore case is simple and
>> does work for this case as following:
>>
>> diff --git a/tools/parse-email.sh b/tools/parse-email.sh
>> index 9ab627b..1e3008a 100755
>> --- a/tools/parse-email.sh
>> +++ b/tools/parse-email.sh
>> @@ -29,7 +29,7 @@ fi
>>
>>   getheader () # <header_name> <email_file>
>>   {
>> -       sed "/^$1: */!d;s///;N;s,\n[[:space:]]\+, ,;s,\n.*,,;q" "$2" |
>> +       sed "/^$1: */I!d;s///;N;s,\n[[:space:]]\+, ,;s,\n.*,,;q" "$2" |
>>          sed 's,",\\",g'
>>
>>   }
>>
>> But, I think we might get a false-positive when matching header field
>> by this way. Because we are handling the whole patch file which could
>> have same words in somewhere if we ignore the case.
>>
>> Passing Message-[iI][dD] also works for this case and I tend to use
>> this method. What do you think? If you agree with this method I will
>> send the V2 patch.
> ACK by me - sounds good.  That means we can just modify the existing
> getheader check for message id.

Yes, thanks! I will send the V2 patch.

Best regards,

Min

>> Best regards,
>>
>> Min
>>
>>
>>>>    tools/parse-email.sh | 1 +
>>>>    1 file changed, 1 insertion(+)
>>>>
>>>> diff --git a/tools/parse-email.sh b/tools/parse-email.sh
>>>> index 9cb9583..fbe038a 100755
>>>> --- a/tools/parse-email.sh
>>>> +++ b/tools/parse-email.sh
>>>> @@ -35,6 +35,7 @@ subject=$(getheader Subject "$1")
>>>>    from=$(getheader From "$1")
>>>>    msgid=$(getheader Message-Id "$1")
>>>>    [ -n "$msgid" ] || msgid=$(getheader Message-ID "$1")
>>>> +[ -n "$msgid" ] || msgid=$(getheader Message-id "$1")
>>>>    pwid=$(getheader X-Patchwork-Id "$1")
>>>>    listid=$(getheader List-Id "$1")
>>>>    reply=$(getheader In-Reply-To "$1")