On 9/12/14 10:44 AM, Stephen J. Turnbull wrote:
> 
> OTOH, rebase merely moves *trees*; those (and the blobs that they
> point to in turn) are not rewritten.

No, those are rewritten, too. Rebase just cherry-picks a bunch of
commits, and cherry-picking can certainly change blobs. The first
sentence of the cherry-pick man page:

> Given one or more existing commits, apply the change each one
> introduces, recording a new commit for each.

-David