Re: RFC: lei q --include/-I and similar switch names

[Kyle Meyer <kyle@kyleam.com>]

Eric Wong writes:

> "add-external" sometimes feels like an unnecessary burden
> for a one-off search, so it'd be nice to be able to search
> an external once, or exclude certain externals.
>
> I'm set on supporting "-I$DIR_OR_URL" since that's common
> command-line usage for gcc/clang/tcc, perl, ruby to include
> extra search paths for headers/modules.

Sounds very useful.

> --exclude is naturally the opposite of --include, and I don't
> know if --exclude needs a short name.  "-v" (like "grep -v")
> isn't available, but maybe "-X" works, since it's something we
> can't pass from the CLI to curl.  We're not passing "-x" to
> curl, either, but we pass "--proxy" through, of course.

My two cents: I think it'd be okay to leave --exclude without a short
name...

> I don't know if "--only" is a good name and don't know of any
> common tools with similar functionality (but I know very little
> in general :x).  "--exclusive" would be confusing with
> "--exclude" and require more typing even with tab-completion.
> If we use "--only", then we can use -O for --only since we can't
> forward -O to curl, either...

... and --only/-O sounds good to me.