Re: git-mergetool reverse file ordering

> This use case makes me wonder whether the sorting we do here is
> something that should be opened up a bit so that the it's not
> quite so set in stone.
> 
> For example, an extension to the approach taken by this patch
> would be to have `mergetool.reverseOrder` git config boolean
> option that would tell us whether or not to use the "-r" flag
> when calling sort.
> 
> But, IMO that is too rigid, and only addresses this narrow use
> case.  What if users want a case-insensitive sort, or some other
> preferred ordering?
> 
> We can address these concerns, and your use case, by opening it
> up. Something like,
> 
> 	sort=$(git config mergetool.sort || echo sort -u)