[PATCH] add exec -a support (preliminary)

[Denys Vlasenko]

On Fri, Jan 27, 2017 at 12:56 AM, Patrick Pief <p.pief at zoho.com> wrote:
> There were several times where I thought that having "exec -a" in busybox would
> be neat, and while "exec -a" is not POSIX it is still supported in a lot of
> shells (see http://unix.stackexchange.com/q/250681/117599 ).

It can be reasonably easily implemented, but I have hard time imagining
why would you need it in real-world usage.

Usually when people ask for something I assume they do need it
(and can imagine some scenarios). In this case, I don't see them.

Why do you need it?