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

[Matt Mackall]

On Mon, 2012-11-26 at 23:10 +0000, Weiwen Liu wrote:
> Yes, the iterator is exhausted after we use it once.  We used parent
> iterator earlier on "<td class="author">{parent%changesetparent}</td>".
> 
> Let me see if I can find a way to reset the iterator.

Probably the most straightforward thing to do is to teach the template
engine to turn iterators into lists when they're used. The right place
to do that is probably here:

http://www.selenic.com/hg/file/d0d99c8bdf51/mercurial/templater.py#l137

-- 
Mathematics is the supreme nostalgia of our time.