Easiest way to get a diff between repos?

[TK Soh]

On 7/26/07, Michael Sperber <sperber at informatik.uni-tuebingen.de> wrote:
>
> "TK Soh" <teekaysoh at gmail.com> writes:
>
> > Not sure exactly what you have in your repo, but in most cases you
> > should have a good number of common changesets in both repos. Are you
> > trying to compare two mutually excluded  changesets in the two repos?
>
> No, I'm trying to compare two specific revisions in two different
> repositories representing two different branches of development.

Off hand, I don't know how to that. Perhaps you can generate the save
the diff output from both repo to a common ancestor changesets then do
a interdiff on them.