Re: [PATCH v3 0/2] Add hostname condition to includeIf

> Peff felt that adding `git config --show-hostname-for-includes` was
> probably overkill, but I'd argue that it is necessary to enable users
> to deterministically figure out the value to use in their
> configuration rather than having to grope around in the dark via
> guesswork and trial-and-error to figure out exactly what works.
>
> And the option name doesn't necessarily have to be so verbose; a
> shorter name, such as `git config --show-hostname` may be good enough.
> Implementing this option would also obviate the need to implement
> `test-tool xgethostname` (though, I agree with Junio that `test-tool
> gethostname` would have been a better, less implementation-revealing
> name).