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Re: [PATCH v10 0/9] submodule inline diff format

From
Junio C Hamano <gitster@pobox.com>
Date
Aug 23, 2016, 17:25 UTC
Message-ID
<xmqqlgznwg6o.fsf@gitster.mtv.corp.google.com>
In-Reply-To
<CAGZ79kbKibe2RpQ9QWN1naY07feZLKbhc+dts3BD-4+y-pUOVw@mail.gmail.com>
Stefan Beller <sbeller@google.com> writes:
Show 19 quoted lines
> On Mon, Aug 22, 2016 at 4:43 PM, Jacob Keller <jacob.e.keller@intel.com> wrote:
>> From: Jacob Keller <jacob.keller@gmail.com>
>>
>> A few suggestions from Stefan in regards to falling back to
>> .git/modules/<path> being a bad idea. I've chosen I think to avoid using
>> die() as we just stick with the current path if we can't find its name.
>
> Which makes the existing bug more subtle :(
>
>> I think this should be safe since we already do this today.
>
> It's a bug today already. Thanks for spotting!
>
>> The new flow
>> only changes if we are able to lookup the submodule, so I don't think
>> it's worth adding a die() call.
>
> Well this series improves the buggy-ness as it is only buggy when the name
> is not found, and we fall back on the path.

I am not so sure about that. If there is an existing place that is buggy, shouldn't we fix that, instead of spreading the same bug (assuming that it is a bug in the first place, which I do not have a strong opinion on, at least not yet)?

Can there be .git/modules/<foo>/ repository that is pointed at an in-tree .git file when there is no "name" defined? I thought we errored out in module_name helper function in git-submodule.sh when we need a name and only have path (I just checked in the maint-2.6 track); did we break it recently? submodule--helper.c::module_name() seems to error out when submodule_from_path() fails to find one and will segfault if it does not have name, so it is not likely.

Previous: Jacob KellerNext: Stefan Beller
Message 17 of 26 in “submodule inline diff format”
  1. 0/9 submodule inline diff formatJacob Keller, Aug 22, 2016
  2. 1/9 Git 2.10-rc1Jacob Keller, Aug 22, 2016
  3. Stefan BellerAug 23, 2016
  4. Jacob KellerAug 23, 2016
  5. 7/9 submodule: convert show_submodule_summary to use struct object_id *Jacob Keller, Aug 22, 2016
  6. 3/9 diff.c: remove output_prefix_length fieldJacob Keller, Aug 22, 2016
  7. 6/9 allow do_submodule_path to work even if submodule isn't checked outJacob Keller, Aug 22, 2016
  8. 4/9 graph: add support for --line-prefix on all graph-aware outputJacob Keller, Aug 22, 2016
  9. 5/9 diff: prepare for additional submodule formatsJacob Keller, Aug 22, 2016
  10. 2/9 cache: add empty_tree_oid object and helper functionJacob Keller, Aug 22, 2016
  11. 9/9 diff: teach diff to display submodule difference with an inline diffJacob Keller, Aug 22, 2016
  12. 8/9 submodule: refactor show_submodule_summary with helper functionJacob Keller, Aug 22, 2016
  13. Junio C HamanoAug 23, 2016
  14. Jacob KellerAug 24, 2016
  15. Stefan BellerAug 23, 2016
  16. Jacob KellerAug 23, 2016
  17. Junio C HamanoAug 23, 2016
  18. Stefan BellerAug 23, 2016
  19. Jacob KellerAug 25, 2016
  20. Stefan BellerAug 25, 2016
  21. Jacob KellerAug 25, 2016
  22. Junio C HamanoAug 25, 2016
  23. Jacob KellerAug 25, 2016
  24. Stefan BellerAug 26, 2016
  25. Keller, Jacob EAug 26, 2016
  26. Jacob KellerAug 25, 2016

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