Re: [PATCH v2] submodule: suppress checking for file name ambiguity for object ids

>
> From: Orgad Shaneh <orgads@gmail.com>
>
> The argv argument of collect_changed_submodules() contains obly object ids
> (the objects references of all the refs).
>
> Notify setup_revisions() that the input is not filenames by passing
> assume_dashdash, so it can avoid redundant stat for each ref.
>
> A better improvement would be to pass oid_array instead of stringified argv,
> but that will require a larger change, which can be done later.