Re: [PATCH v8 00/15] nd/pack-objects-pack-struct updates

>> +GIT_TEST_SPLIT_INDEX forces split-index mode on the whole test suite.
>> +
>>  GIT_TEST_FULL_IN_PACK_ARRAY exercises the uncommon pack-objects code
>>  path where there are more than 1024 packs even if the actual number of
>>  packs in repository is below this limit.
>>
>> -GIT_TEST_OE_SIZE_BITS=<bits> exercises the uncommon pack-objects
>> -code path where we do not cache objecct size in memory and read it
>> -from existing packs on demand. This normally only happens when the
>> -object size is over 2GB. This variable forces the code path on any
>> -object larger than 2^<bits> bytes.
>
> The docs here say set these env variables, but actually
> GIT_TEST_FULL_IN_PACK_ARRAY is a special snowflake in requiring you to
> set a bool value.
>
> I'd set GIT_TEST_SPLIT_INDEX=YesPlease already in my test setup & just
> copied that as GIT_TEST_FULL_IN_PACK_ARRAY=YesPlease, but that'll error
> out since it's expecting bool, not the env variable to be set.
>
> I really don't care which we use, but let's use either if(getenv()) or
> if(git_env_bool()) consistently, and then have the docs either say "if
> set" or "if set to a boolean value (see git-config(1))".