[PATCH] hgweb: display difference for a changeset against any parents (issue2810)

[Matt Mackall]

[cc:ed back to the list]

On Mon, 2012-11-26 at 22:40 +0000, Weiwen Liu wrote:
> Hi Matt,
> 
> I just got back from nice Thanksgiving break.  Hope you had a great
> Thanksgiving break too.
> 
> Now coming back to this change, I'd like to display web page as
> 
> 	Change baseline: http://.../rev/y:p1(y)  http://.../rev/y:p2(y)
> 	Current baseline: http://.../rev/x
> 
> We will need to pass one datum x in order to display "Current baseline"
> 
> In order to display available baselines to diff against, I pass the
> original node, y, and an iterator to report all parents of y (I can't
> reuse the current iterator parent).

This is probably the confusion. Why not?

If it's because it's an iterator, and is thus exhausted after we use it
once, then that seems like a bug we should fix.

-- 
Mathematics is the supreme nostalgia of our time.