Re: [PATCH v4 3/7] scalar: validate the optional enlistment argument

>> Scalar is not (yet?) a Git command.
>
> "test-tool" isn't "git" either, so I think this argument is a
> non-starter.
>
> As the documentation for "test_must_fail" notes the distinction is
> whether something is "system-supplied". I.e. we're not going to test
> whether "grep" segfaults, but we should test our own code to see if it
> segfaults.
>
> The scalar code is code we ship and test, so we should use the helper
> that doesn't hide a segfault.
>
> I don't understand why you wouldn't think that's the obvious fix here,
> adding "scalar" to that whitelist is a one-line fix, and clearly yields
> a more useful end result than a test silently hiding segfaults.