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From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: Git Mailing List <git@vger.kernel.org>,
	Brandon Williams <bmwill@google.com>,
	Stefan Beller <sbeller@google.com>
Subject: Re: BUG: The .gitignore rules can't be made to cross submodule boundaries
Date: Tue, 23 May 2017 11:55:07 +0200	[thread overview]
Message-ID: <CACBZZX5EQhoEBvj2e6ogXU5Y=EfwSPCx+jFvTJ1P2KbYNpADyw@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1.1705231103220.3610@virtualbox>

On Tue, May 23, 2017 at 11:17 AM, Johannes Schindelin
<Johannes.Schindelin@gmx.de> wrote:
> Hi Ævar,
>
> On Mon, 22 May 2017, Ævar Arnfjörð Bjarmason wrote:
>
>> When I was adding the sha1collisiondetection submodule to git.git I
>> noticed that building git would dirty the submodule.
>>
>> This is because our own Makefile adds .depend/ directories. I hacked
>> around it by just getting the upstream project accept carrying an ignore
>> rule for that around:
>> https://github.com/cr-marcstevens/sha1collisiondetection/commit/e8397b26
>>
>> A workaround for this is to have the Makefile add such a rule to
>> .git/modules/sha1collisiondetection/info/exclude, but that's less
>> convenient than being able to distribute it as a normal .gitignore rule.
>>
>> The submodule.<name>.ignore config provides an overly big hammer to
>> solve this, it would be better if we had something like
>> submodule.<name>.gitignore=<path>. Then we could have e.g.
>> .gitignore.sha1collisiondetection which would be added to whatever rules
>> the repo's own .gitignore provides.
>
> While I have nothing but the utmost respect for Stefan and Brandon for
> trying to improve submodules, maybe it would be a wiser idea to imitate
> the same strategy with sha1dc as we use with git-gui and gitk, i.e.
> perform a subtree merge instead of adding it as a submodule. It's not like
> 570kB will kill us.

The submodule/.gitignore bug/feature-request being reported here isn't
something that impacts the ab/sha1dc series in practice.

It was something I noticed while working with an earlier commit in
that repo, but that's a commit that'll never be pinned by the
git.git:sha1collisiondetection submodule.

  reply	other threads:[~2017-05-23  9:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-22 18:33 BUG: The .gitignore rules can't be made to cross submodule boundaries Ævar Arnfjörð Bjarmason
2017-05-23  9:17 ` Johannes Schindelin
2017-05-23  9:55   ` Ævar Arnfjörð Bjarmason [this message]
2017-05-23 17:51     ` Stefan Beller

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