And I don't know about long file paths on Windows happening in the 1.2.x
branch.... I think you're going to need to wait for Python 3 and an updated
WinPython with Unicode operations. :-/
As a possible workaround, from the Windows CLI you can try to use
subst to map a new drive letter into the middle of you longpath.
ie.
if you know you have long paths within "c:\documents and
settings\administrator\documents" you should be able to do:
subst x: "c:\documents and settings\administrator\documents"
rdiff-backup x:
And gain 40 or so chars.