threads / bug / 46268

Bug: submodules of submodules use absolute gitdir in .git file (instead of relative)

Subject: Bug: submodules of submodules use absolute gitdir in .git file (instead of relative)

## tl;dr

4 messages between Jun 27, 2017 and Jun 28, 2017.

replies: 3people: 3as markdown or json

Robert Siemer· Jun 27, 2017, 13:16 UTC · lore
Hello everyone,
$ git submodule foreach cat .git
...shows that the gitdir registered in the .git file of submodules is relative. But if you run 
$ git submodule foreach --recursive cat .git
...shows that submodules of submodules (if you have any) have an absolute gitdir starting with a slash.
1) Can you confirm that behavior?
2) Am I right that this is a bug (at least because of inconsistency)?

Regards, Robert

Junio C Hamano· Jun 27, 2017, 15:06 UTC · re: Robert Siemer · lore

Re: Bug: submodules of submodules use absolute gitdir in .git file (instead of relative)

Robert Siemer <Robert.Siemer@rohde-schwarz.com> writes:
Show 11 quoted lines
> Hello everyone,
>
> $ git submodule foreach cat .git
>
> ...shows that the gitdir registered in the .git file of submodules is relative. But if you run 
>
> $ git submodule foreach --recursive cat .git
>
> ...shows that submodules of submodules (if you have any) have an absolute gitdir starting with a slash.
>
> 1) Can you confirm that behavior?

Nobody can without knowing which version of Git you are using. I suspect that we had discussed and addressed something related to nested submodule's "gitdir" pointer in not-so-distant past.

> 2) Am I right that this is a bug (at least because of inconsistency)?
Stefan Beller· Jun 27, 2017, 17:35 UTC · re: Junio C Hamano · lore

Re: Bug: submodules of submodules use absolute gitdir in .git file (instead of relative)

On Tue, Jun 27, 2017 at 8:06 AM, Junio C Hamano <gitster@pobox.com> wrote:
Show 17 quoted lines
> Robert Siemer <Robert.Siemer@rohde-schwarz.com> writes:
>
>> Hello everyone,
>>
>> $ git submodule foreach cat .git
>>
>> ...shows that the gitdir registered in the .git file of submodules is relative. But if you run
>>
>> $ git submodule foreach --recursive cat .git
>>
>> ...shows that submodules of submodules (if you have any) have an absolute gitdir starting with a slash.
>>
>> 1) Can you confirm that behavior?
>
> Nobody can without knowing which version of Git you are using.  I
> suspect that we had discussed and addressed something related to
> nested submodule's "gitdir" pointer in not-so-distant past.

Yeah there was a period in time where we had this bug. (Or is it a different bug?) See 90c0011619 (submodule: use absolute path for computing relative path connecting, 2016-12-08), which is included in 2.12.

Robert Siemer· Jun 28, 2017, 12:30 UTC · lore

Re: Bug: submodules of submodules use absolute gitdir in .git file (instead of relative)

I had the problem with version 2.7.4.
The problem is fixed in self-compiled v2.13.2.533.ge0aaa1bed, v2.12.0, v2.11.0 and v2.9.3! Even the older version 2.1.4 does not have that problem.
Thank you for the input!
Robert
________________________________________
From: Siemer Robert CSNPE
Sent: Wednesday, June 28, 2017 14:09
To: Stefan Beller; Junio C Hamano
Cc: git@vger.kernel.org
Subject: Re: Bug: submodules of submodules use absolute gitdir in .git file (instead of relative)
________________________________________
From: Stefan Beller <sbeller@google.com>
Sent: Tuesday, June 27, 2017 19:35
To: Junio C Hamano
Cc: Siemer Robert CSNPE; git@vger.kernel.org
Subject: Re: Bug: submodules of submodules use absolute gitdir in .git file (instead of relative)
On Tue, Jun 27, 2017 at 8:06 AM, Junio C Hamano <gitster@pobox.com> wrote:
Show 17 quoted lines
> Robert Siemer <Robert.Siemer@rohde-schwarz.com> writes:
>
>> Hello everyone,
>>
>> $ git submodule foreach cat .git
>>
>> ...shows that the gitdir registered in the .git file of submodules is relative. But if you run
>>
>> $ git submodule foreach --recursive cat .git
>>
>> ...shows that submodules of submodules (if you have any) have an absolute gitdir starting with a slash.
>>
>> 1) Can you confirm that behavior?
>
> Nobody can without knowing which version of Git you are using.  I
> suspect that we had discussed and addressed something related to
> nested submodule's "gitdir" pointer in not-so-distant past.

Yeah there was a period in time where we had this bug. (Or is it a different bug?) See 90c0011619 (submodule: use absolute path for computing relative path connecting, 2016-12-08), which is included in 2.12.

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