Re: [PATCH 1/2] ls-files: adding support for submodules

> On Thu, Sep 22, 2016 at 8:41 PM, Jeff King <peff@peff.net> wrote:
> 
> >>  * As Stefan alluded to (much) earlier, it might be a better idea
> >>    to have these 'prefix' as the global option to "git" potty, not
> >>    to each subcommand that happens to support them;
> >
> > That seems like it would be nice, but there's going to be an interim
> > period where some commands do not respect the global "--prefix" at all
> > (in the worst case, consider a third party command).
> 
> My current line of thinking is to have a new flag in command struct in
> git.c to enable the global --prefix, (c.f. RUN_SETUP | NEED_WORK_TREE)
> so we'd have a ALLOW_OUTSIDE_PREFIX flag which can be used to enable
> this feature. In case that flag is not set, but a user tries a
> --prefix=<somewhere>
> we can still
> 
>     die("nope, we don't do that");