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SubjectRe: [PATCH] checkpatch: Add check for common mailing list helper checks
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On 7/7/21 10:53 AM, Joe Perches wrote:
> On Tue, 2021-07-06 at 12:31 -0700, John 'Warthog9' Hawley wrote:
>> On 7/3/21 11:39 AM, Joe Perches wrote:
>>> On Fri, 2021-07-02 at 15:37 -0700, John 'Warthog9' Hawley (VMware)
>>> wrote:
>>>> From: John 'Warthog9' Hawley <warthog9@eaglescrag.net>
>>>>
>>>> Mailing lists in an attempt to try and avoid sending certain
>>>> administrative e-mails to the list, will check the first few lines
>>>> (usually ~10) looking for keywords. If those key words are found it
>>>> shunts the e-mail to the list admin contact instead of potentially
>>>> passing it through to the list.
>>>
>>> Perhaps the below is a bit better, but I believe a few of the tests
>>> are going to be tripped a bit too often.
>>>
>>> Especially "cancel", "config" and maybe "subscribe" too.
>>>
>>> For instance:
>>>
>>> $ git log --grep='\bcancel\b' -P -i --pretty=oneline -10000 | wc -l
>>> 1693
>>>
>>> $ git log --grep='^config\b' -P -i --pretty=oneline -10000 | wc -l
>>> 890
>>>
>>> $ git log --grep='\bsubscribe\b' -P -i --pretty=oneline -10000 | wc -l
>>> 123
>>
>> A part of getting this into checkpatch.pl is getting some better
>> feedback mechanisms for why patches may not be passing through the list
>> correctly with regexes that have been in place for at least 14 years.
>> These, aren't tripped over often,
>
> 3000+ commits with regex matches seem rather a lot to me.>
>> but have run into a instance at least
>> recently that triggered me trying to get at least some self check, and
>> notification, pieces in place.
>
> No worries, but perhaps the message might be reworded to
> say something about possible mailing list moderation rather
> than imply rejection.
>>>> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> []
>>> @@ -865,6 +865,37 @@ our $allowed_asm_includes = qr{(?x:
>>>  )};
>>>  # memory.h: ARM has a custom one
>>>
>>> +our $mailing_list_phrases = qr{(?xi:
>>> + \bcancel\b |
>
> Mere use of the word "cancel" in the commit description seems undesirable to me.>
>>> +# check if words in the commit message may trip up common mailing list helpers
>>> +# to redirect email to the admin contact
>>> + if ($in_commit_log && $commit_log_lines < 10 &&
>>> + $line =~ /($mailing_list_phrases)/) {
>>> + WARN("MAILING_LIST_HELPER",
>>> + "Line matches common mailing list helpers and may not be delivered correctly - consider rewording '$1'\n" . $herecurr);
>
> Maybe FILTERS for phrases and helpers
>
> Maybe something like:
>
> "Use of '$1' in this patch's commit description might cause mailing list moderation or rejection\n"

"Use of '$1' in this patch's commit description, may cause the message
to be considered an administrative message and may be misdirected and
undelivered to the mailing list\n"

might be more overall accurate since the mailing list is likely push the
message into the admin queue as if it was a control message, and it may
not be easy to get it back into the main stream for delivery.

I'm not picky on the exact wording of the message though, just need to
convey that the commit_log may have something in it that may trip up the
mailing list, and the message may not make it through.

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