Re: [PATCH 1/3] repository: create disable_replace_refs()

> I agree with the "devil's advocate" above; indeed my suggestion to
> follow-on work that is enabled by introducing this function, i.e. we
> can ensure that the objects already instantiated when the call is
> made are not affected by the replace mechanism, was exactly for such
> a "we already accessed some objects via the replace mechanism and
> then try to close the door of the barn afterwards with this call"
> case.
> 
> Indeed, I think "git branch --no-merged 0369cf" resolves the object
> name down to a commit object in parse_opt_merge_filter() before
> parse_options() call returns.
> 
> Yes.