Re: [PATCH v2 1/2] docs: process: allow Closes tags with links

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Hi Thorsten,

Thank you for your reply!

On 26/03/2023 13:28, Thorsten Leemhuis wrote:
> On 24.03.23 19:52, Matthieu Baerts wrote:
>> Making sure a bug tracker is up to date is not an easy task. For
>> example, a first version of a patch fixing a tracked issue can be sent a
>> long time after having created the issue. But also, it can take some
>> time to have this patch accepted upstream in its final form. When it is
>> done, someone -- probably not the person who accepted the patch -- has
>> to remember about closing the corresponding issue.
>>
>> This task of closing and tracking the patch can be done automatically by
>> bug trackers like GitLab [1], GitHub [2] and hopefully soon [3]
>> bugzilla.kernel.org when the appropriated tag is used. The two first
>> ones accept multiple tags but it is probably better to pick one.
>>
>> [...]
>>
>> diff --git a/Documentation/process/5.Posting.rst b/Documentation/process/5.Posting.rst
>> index 7a670a075ab6..20f0b6b639b7 100644
>> --- a/Documentation/process/5.Posting.rst
>> +++ b/Documentation/process/5.Posting.rst
>> @@ -217,6 +217,15 @@ latest public review posting of the patch; often this is automatically done
>>  by tools like b4 or a git hook like the one described in
>>  'Documentation/maintainer/configure-git.rst'.
>>  
>> +Similarly, there is also the "Closes:" tag that can be used to close issues
>> +when the underlying public bug tracker can do this operation automatically.
>> +For example::
>> +
>> +	Closes: https://example.com/issues/1234
>> +
>> +Private bug trackers and invalid URLs are forbidden. For other public bug
>> +trackers not supporting automations, keep using the "Link:" tag instead.
>> [...]
> 
> This more and more seems half-hearted to me.
> 
> One reason: it makes things unnecessarily complicated for developers, as
> they'd then have to remember `is this a public bug tracker that is
> supporting automations? Then use "Closes", otherwise "Link:"`.
> 
> Another reason: the resulting situation ignores my regression tracking
> bot, which (among others) tracks emailed reports. It would benefit from
> "Closes" as well to avoid the ambiguity problem Konstantin brought up
> (the one about "Link: might just point to a report for background
> information in patches that don't address the problem the link points
> to"[1]. But FWIW, I'm not sure if this ambiguity is much of a problem in
> practice, I have a feeling that it's rare and most of the time will
> happen after the reported problem has been addressed or in the same
> patch-set.

Even if they are rare, I think it might be good to avoid false-positives
that can be frustrating or create confusions. Using a dedicated tag plus
some safeguards help then be required. (And it is not compatible with
existing forges.)

> I thus think we should use either of these approaches:
> 
> * just stick to "Link: <url>"
> 
> * go "all-in" and tell developers to use "Closes: <url>"[2] all the time
> when a patch is resolving an issue that was reported in public
> 
> I'm not sure which of them I prefer myself. Maybe I'm slightly leaning
> towards the latter: it avoids the ambiguity, checkpatch.pl will yell if
> it's used with something else than a URL, it makes things easier for
> MPTCP & DRM developers, and (maybe most importantly) is something new
> developers are often used to already from git forges.

I think it makes sense not to restrict this tag to bug trackers with
automations as long as they are public of course. After having looked at
the comments from v1, I didn't feel like it would have been OK to extend
its usage but I can send a v3 taking this direction hoping to get more
feedback. After all, thanks to regzbot, we can also say that there are
some automations behind lore.kernel.org and other ML's :)

If we do that, would it be blocking to have this included in v6.3?

> [1]
> https://lore.kernel.org/linux-doc/20230317185637.ebxzsdxivhgzkqqw@meerkat.local/
> 
> [2] fwiw, I still prefer "Resolves:" over "Closes". Yes, I've seen
> Konstantin's comment on the subtle difference between the two[3], but as
> he said, Bugbot can work with it as well. But to me "Resolves" sounds
> way friendlier and more descriptive to me; but well, I'm not a native
> speaker, so I don't think my option should count much here.

As a non-native speaker, I'm open to use either of them. But as a
developer, I feel like I'm more used to see the "Closes:" tag than the
"Resolves" one.

When looking at the Git history, the "Closes:" tag with a link has been
used ~500 times, compared to ~14 times for "Resolves:". Maybe "Closes:"
is more natural for developers who first want to have their assigned
tickets being "closed" automatically than issues being "resolved"? :)

Cheers,
Matt
-- 
Tessares | Belgium | Hybrid Access Solutions
www.tessares.net



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