linux-kernel - Re: [RFC for GIT] pull-request: add praise to people doing QA

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Message-ID: <CA+P7+xo5N66a8-PeNRLBgwRN3rJZRbQuDnx8wCnW7L-0tz10Fg@mail.gmail.com>
Date:   Thu, 19 Jan 2017 15:42:14 -0800
From:   Jacob Keller <jacob.keller@...il.com>
To:     Jeff King <peff@...f.net>
Cc:     Wolfram Sang <wsa@...-dreams.de>,
        Junio C Hamano <gitster@...ox.com>,
        Git mailing list <git@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC for GIT] pull-request: add praise to people doing QA

On Thu, Jan 19, 2017 at 1:20 PM, Jeff King <peff@...f.net> wrote:
> On Thu, Jan 19, 2017 at 09:43:45PM +0100, Wolfram Sang wrote:
>
>> > As to the implementation, I am wondering if we can make this somehow
>> > work well with the "trailers" code we already have, instead of
>> > inventing yet another parser of trailers.
>> >
>> > In its current shape, "interpret-trailers" focuses on "editing" an
>> > existing commit log message to tweak the trailer lines.  That mode
>> > of operation would help amending and rebasing, and to do that it
>> > needs to parse the commit log message, identify trailer blocks,
>> > parse out each trailer lines, etc.
>> >
>> > There is no fundamental reason why its output must be an edited
>> > original commit log message---it should be usable as a filter that
>> > picks trailer lines of the selected trailer type, like "Tested-By",
>> > etc.
>>
>> I didn't know about trailers before. As I undestand it, I could use
>> "Tested-by" as the key, and the commit subject as the value. This list
>> then could be parsed and brought into proper output shape. It would
>> simplify the subject parsing, but most things my AWK script currently
>> does would still need to stay or to be reimplemented (extracting names
>> from tags, creating arrays of tags given by $name). Am I correct?
>>
>> All under the assumption that trailers work on a range of commits. I
>> have to admit that adding this to git is beyond my scope.
>
> This sounds a lot like the shortlog-trailers work I did about a year
> ago:
>
>   http://public-inbox.org/git/20151229073832.GN8842@sigill.intra.peff.net/
>
>   http://public-inbox.org/git/20151229075013.GA9191@sigill.intra.peff.net/
>
> Nobody seemed to really find it useful, so I didn't pursue it.
>
> Some of the preparatory patches in that series bit-rotted in the
> meantime, but you can play with a version based on v2.7.0 by fetching
> the "shortlog-trailers-historical" branch from
> https://github.com/peff/git.git.
>
> And then things like:
>
>   git shortlog --ident=tested-by --format='...tested a patch by %an'
>
> work (and you can put whatever commit items you want into the --format,
> including just dumping the hash if you want to do more analysis).
>
> -Peff

This sounds interesting to me! When I have some more time to take a
look at this i might see if I can revive it.

Thanks,
Jake