Re: [PATCH 2/2] Let deny.currentBranch=updateInstead ignore submodules

> Junio C Hamano <gitster@pobox.com> writes:
> 
> > Dying when "update-index --refresh" signals a difference is an
> > attempt to mimic #1, but it is in line with the spirit of the reason
> > why a user would want to use updateInstead, I think.  The situation
> > is more like the person who pushed into your repository from
> > sideline did a "checkout -B $current_branch $new_commit" to update
> > the HEAD, the index and the working tree, to let you pretend as if
> > you based your work on the commit he pushed to you.
> >
> > While you still need to error out when your local work does not
> > satisfy the cleanliness criteria #3 above, I do not think you would
> > want to stop the operation when "checkout" would not fail, e.g. you
> > have a local change that does not interfere with the update between
> > the two commits, with this one:
> >
> > +	if (run_command(&child))
> > +		die ("Could not refresh the index");
> >
> > When refreshed the index successfully, we signal that there were
> > differences between the index and the working tree with a non-zero
> > return value, so "Could not refresh" is not quite right, either.
> 
> Just to make sure.  I am *not* saying that you do not need to run
> "update-index --refresh".  It is necessary before running read-tree
> to avoid false dirtyness, so you do need to run it.
> 
> I am only saying that it is too strict to fail the operation when
> the command reports that you have a local modification in the
> working tree.