Re: [PATCH v2 1/2] read-cache: skip index SHA verification

> Hrm, there shouldn't be any dependency of the config on the index (and
> there are a handful of options which impact the index already). Did you
> try it and run into problems?
>
> In general, I'd much rather see us either:
>
>   1. Rip the code out entirely if it is not meant to be configurable,
>      and cannot be triggered by the actual git binary.
>
> or
>
>   2. Make it configurable, even if most people wouldn't use it. And then
>      have a test to exercise it using a git command (unlike the one-off
>      test helper, which isn't run at all).