[PATCH evolve-ext] fold: add argument to handle ambiguous case

[Matt Mackall]

On Tue, 2015-06-09 at 12:58 -0700, Pierre-Yves David wrote:
> On 06/08/2015 05:08 PM, Pierre-Yves David wrote:
> > I would be pretty unhappy to expose random user to X::Y recommendation
> > because they will screw it up a X:Y and get burned down. So the idea of
> > X+. is also interesting (but won't work for a full stack).

Do we allow folding non-linearly-related changesets?

-- 
Mathematics is the supreme nostalgia of our time.