Re: [PATCH] merge-recursive: use fspathcmp() in path_hashmap_cmp()

> On Mon, Aug 30, 2021 at 08:22:25PM +0200, René Scharfe wrote:
>
>>> It however may not be a bad idea to catch these code paths where a
>>> local variable masks 'ignore_case' (and possibly other globals) and
>>> rename these local ones to avoid a mistake like this.
>>
>> The name itself is OK, I think, but using it at global scope is
>> confusing.  -Wshadow can help find such cases, but not this one, as
>> test-hashmap.c doesn't include the global declaration.  Moving the
>> global into a struct to provide a poor man's namespace would fix this
>> for all namesakes, assisted by the compiler.  We'd then access it as
>> the_config.ignore_case or even the_config.core.ignore_case.
>>
>> Moving all config-related variables would be quite noisy, I guess,
>> and probably conflict with lots of in-flight patches, but might be
>> worth it.
>
> Really most of these ought to be in the repository struct anyway, I
> would think. The value of ignore_case comes from core.ignorecase, which
> is going to be repository-specific. We are probably doing the wrong
> thing already by looking at the parent core.ignorecase value when
> operating in an in-process submodule, but nobody noticed because it's
> quite unlikely for a submodule to have a different setting than the
> parent.