Jonathan Nieder <jrnie...@gmail.com> writes:

> For defense in depth, it would be comforting if the git wrapper had
> some understanding of "don't support --help in handle_builtin when
> invoked as a dashed command".  That is, I don't expect that anyone has
> been relying on
>
>       git-add --help
>
> acting like
>
>       git help add
>
> instead of printing the usage message from
>
>       git add -h

Sounds like a neat trick.

> It's a little fussy because today we rewrite "git add --help" to
> "git-add --help" before rewriting it to "git help add"; we'd have to
> skip that middle hop for this to work.

I do not quite get this part.  "git add --help" goes through run_argv()
and then to handle_builtin() which is what does this "git help add"
swapping.

"git-add --help" does get thrown into the same codepath by
pretending as if we got "add --help" as an argument to "git"
command, and that happens without going through run_argv(),
so presumably we can add another perameter to handle_builtin()
so that the callee can tell these two invocation sites apart, no?

> I don't think that has to block this patch or series, though --- it's
> just a separate thought about hardening.

Yeah, I agree with this assessment.

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