From: Christian Couder <christian.couder@gmail.com>
To: Johan Herland <johan@herland.net>
Cc: Josh Triplett <josh@joshtriplett.org>,
Thomas Rast <tr@thomasrast.ch>,
Michael Haggerty <mhagger@alum.mit.edu>,
Git mailing list <git@vger.kernel.org>,
Dan Carpenter <dan.carpenter@oracle.com>,
Greg KH <greg@kroah.com>
Subject: Re: [PATCH] commit: Add -f, --fixes <commit> option to add Fixes: line
Date: Sat, 2 Nov 2013 13:54:52 +0100 [thread overview]
Message-ID: <CAP8UFD0RvFo9cHm56+_HFOt2NOvqF0i=65irYd_0-TUbKm4WBA@mail.gmail.com> (raw)
In-Reply-To: <CALKQrgdo=RP6vgCUML_L_NPsvSbg8Lyjy4HqmWYXk+NmWOjCvw@mail.gmail.com>
On Wed, Oct 30, 2013 at 8:07 PM, Johan Herland <johan@herland.net> wrote:
> On Tue, Oct 29, 2013 at 7:23 AM, Christian Couder
> <christian.couder@gmail.com> wrote:
>>
>> I don't agree. Git doesn't need to dictate anything to be able to do
>> these expansions.
>> Git only needs some hints to do these expansions properly and it could
>> just look at the commit template, or the config, to get those hints.
>>
>> For example, if there is a "Acked-by:" line in the commit template,
>> then Git might decide that "ack" means "Acked-by", and then that "-by"
>> means that "Peff" should be related to an author, and then that it is
>> probably "Jeff King <peff@peff.net>".
>
> I don't like putting that much Magic into core Git... Especially not
> into builtin/commit.c. However, if we - as you suggest further below -
> put it into a separate helper, and we make that helper available (and
> usable) from elsewhere (most importantly from hooks where
> people/projects can add their own more specific functionality), then I
> don't have a problem with it.
Ok, great! I started working on "git interpret-trailers" and I will
post an RFC patch soon.
It will support both configuration as Junio suggested and reading a
commit template file as you suggested.
>> Ok, let's call the new plumbing command "git interpret-trailers".
>> And let's suppose that "git commit" is passed "-f ack:Peff -f
>> fix:security-bug" (or "--trailer ack=Peff --trailer
>> fix=security-bug").
>>
>> "git commit" would then call something like:
>>
>> git interpret-trailers --file commit_message_template.txt 'ack:Peff'
>> 'fix:security-bug'
>>
>> And this command would output:
>>
>> ------------------
>> <<<upper part of commit_message_template.txt>>>
>>
>> Fixes: 1234beef56 (Commit message summmary)
>> Reported-by:
>> Suggested-by:
>> Improved-by:
>> Acked-by: Jeff King <peff@peff.net>
>> Reviewed-by:
>> Tested-by:
>> Signed-off-by: Myself <myself@example.com>
>> ------------------
>>
>> Because it would have looked at the commit template it is passed and
>> filled in the blanks it could fill using the arguments it is also
>> passed.
>>
>> "git commit" would then put the above lines in the file that it passes
>> to the prepare-commit-msg hook.
>>
>> Then the prepare-commit-msg could just do nothing.
>>
>> After the user has edited the commit message, the commit-msg hook
>> could just call:
>>
>> git interpret-trailers --trim-empty --file commit_message.txt
>>
>> so that what the user changed is interpreted again.
>>
>> For example if the user changed the "Reviewed-by:" line to
>> "Reviewed-by: Johan", then the output would be:
>>
>> ------------------
>> <<<upper part of commit_message.txt>>>
>>
>> Fixes: 1234beef56 (Commit message summmary)
>> Acked-by: Jeff King <peff@peff.net>
>> Reviewed-by: Johan Herland <johan@herland.net>
>> Signed-off-by: Myself <myself@example.com>
>> ------------------
>>
>> And that would be the final commit message in most cases.
>
> This approach looks OK to me, as long as we make sure that this
> functionality is (a) optional, (b) flexible/reusable from hooks, and
> (c) not bound tightly to core Git (and AFAICS, your proposal is just
> that). As I said above, this stuff certainly does not belong in
> builtin/commit.c...
Ok, I think it will be very easy to do all with "git interpret-trailers".
Best regards,
Christian.
next prev parent reply other threads:[~2013-11-02 12:55 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20131024122255.GI9378@mwanda>
[not found] ` <20131024122512.GB9534@mwanda>
[not found] ` <20131026181709.GB10488@kroah.com>
2013-10-27 1:34 ` [PATCH] commit: Add -f, --fixes <commit> option to add Fixes: line Josh Triplett
2013-10-27 5:42 ` Michael Haggerty
2013-10-27 6:37 ` Theodore Ts'o
2013-10-27 7:14 ` Josh Triplett
2013-10-27 8:03 ` [Ksummit-2013-discuss] " Michel Lespinasse
2013-10-27 9:23 ` Josh Triplett
2013-10-27 8:09 ` Thomas Rast
2013-10-27 9:20 ` Josh Triplett
2013-10-27 10:59 ` Johan Herland
2013-10-27 19:10 ` Christian Couder
2013-10-28 2:46 ` Johan Herland
2013-10-28 22:10 ` Thomas Rast
2013-10-29 2:02 ` Jeff King
2013-10-30 17:53 ` Johan Herland
2013-10-29 6:23 ` Christian Couder
2013-10-30 19:07 ` Johan Herland
2013-11-02 12:54 ` Christian Couder [this message]
2013-10-27 9:26 ` Stefan Beller
2013-10-27 16:30 ` Thomas Rast
2013-10-27 17:03 ` Stefan Beller
2013-10-31 23:03 ` Stefan Beller
2013-10-31 23:04 ` [PATCH] Documentation: add a script to generate a (long/short) options overview Stefan Beller
2013-10-31 23:09 ` Stefan Beller
2013-10-31 23:45 ` brian m. carlson
2013-11-01 0:09 ` Junio C Hamano
2013-10-28 9:02 ` [PATCH] commit: Add -f, --fixes <commit> option to add Fixes: line Michael Haggerty
2013-10-28 11:29 ` Johan Herland
2013-10-29 2:08 ` Jeff King
2013-10-29 8:26 ` Matthieu Moy
2013-10-30 18:12 ` Johan Herland
2013-10-31 6:28 ` Duy Nguyen
2013-10-31 17:20 ` Junio C Hamano
2013-10-31 23:52 ` Duy Nguyen
2013-11-01 0:16 ` Johan Herland
2013-10-27 8:33 ` Duy Nguyen
2013-10-27 9:13 ` Josh Triplett
2013-10-28 0:49 ` Jim Hill
2013-10-28 1:52 ` Junio C Hamano
2013-10-28 7:16 ` Josh Triplett
2013-10-28 8:27 ` Michael Haggerty
2013-10-28 8:59 ` [ksummit-attendees] " Christoph Hellwig
2013-10-28 23:09 ` Benjamin Herrenschmidt
2013-10-28 23:38 ` Russell King - ARM Linux
2013-10-28 23:41 ` Russell King - ARM Linux
2013-10-28 9:08 ` Junio C Hamano
2013-10-29 4:45 ` Christian Couder
2013-10-29 19:54 ` Junio C Hamano
2013-10-30 17:28 ` Tony Luck
2013-10-30 18:33 ` Junio C Hamano
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