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Re: [PATCH] submodule: use cheaper check for submodule pushes

On Wed, Jul 12, 2017 at 5:01 PM, Jonathan Nieder <jrnieder@xxxxxxxxx> wrote:

> These footnotes don't answer the question that I really have: why did
> this use add_submodule_odb in the first place?

oh, I forgot to put that down: presumably add_submodule_odb was
used because it was available back then? Note the dates!

> E.g. did the ref iteration code require access to the object store
> previously and stop requiring it later?

No. See [1], it was overkill since the beginning of time.

>> -     if (add_submodule_odb(path))
>> +     int code;
>> +
>> +     if (!is_submodule_populated_gently(path, &code))
> Should this examine the code to distinguish between hard errors
> (e.g. "Error reading .git") and a missing repository?

add_submodule_odb does neither, so I think this is best kept without
additional checks.