Hmmm... maybe this isn't a bug at all? I was just trying to create long
path in explorer and it has a limit also (round about the 260 it would
seem). I used the UNC path and I couldn't even navigate to the deepest
level getting an error.
I used the subst command to go beyond the path limit. When going back to
the original path you simply can't access the files from explorer!
I just tried it on vista too!. Doesn't work either!.
It seems long paths on windows are stuffed anyway. If you create a file
you can't access it anyway. (I know if rdiff-backup worked with long
paths then it could access it, but I like the idea of manually being
able to get to the backup files if needs be)
So the rules would just be, don't backup to a folder which is too deep,
and don't backup from a folder that goes too deep! (because the added
rdiff-backup-data folder will add extra onto the path and cause the error)
Ok... so... can we just change rdiff-backup to instead of crashing to
print out a warning that the path is too long and skip the file? The
error would be originating in os.makedirs ? So if we can try catch (does
python have that?) any calls then skip the file.
Thanks for listening to my thinking out loud.
Ryan How wrote:
Hmm.. The current cygwin head has unicode and long file path support I
believe. I wonder about going down that path again until windows
python catches up...
According to http://bugs.python.org/issue542314 the long file path
issue is resolved in python 2.5 if using UNC paths ?
I'm gonna do some investigating :)
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.
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