Re: [PATCH v2 2/3] config: handle conditional include when $GIT_DIR is not set up

> Junio C Hamano <gitster@pobox.com> writes:
> 
> >> +	if (!have_git_dir() && opts.git_dir) {
> >>  		struct git_config_source repo_config;
> >>  
> >>  		memset(&repo_config, 0, sizeof(repo_config));
> >
> > But this one I do not quite understand.  When have_git_dir() was
> > false and asked discover_git_directory() to set opts.git_dir, we
> > enter the body of this block and then end up doing
> >
> > 	git_config_with_options(cb, data &repo_config, &opts);
> >
> > with repo_config set to the discovered git directory plus "/config";
> > we'd read the repository configuration twice, in other words.
> 
> Ahh, nevermind.  The fix to make the "usual sequence" pay attention
> to the opts->git_dir comes in 3/3 and in that step this redundant
> reading is also removed, so all is well at the end.