Re: [rdiff-backup-users] Native windows build - issue with long path names

[Ryan How]

Just to add, I should point out it is a fatal error in that the whole 
backup fails at that point. It isn't just those files that don't get 
backed up.

Ryan How wrote:
> Hi,
>
> I did a few searches, but I couldn't find any issues discussed about 
> long path names in the native windows build.
>
> I have been having issues with the 255 char limit (or round abouts) in 
> pathnames, but I am unsure as to why because I using the native 
> windows build (which shouldn't have this limit?). The error originates 
> in os.pyc (which, I have no python experience, but isn't an 
> rdiff-backup source file?). I get the same error when using dos paths 
> (ie. c:\blah) and UNC paths (which otherwise seem to work well with 
> the native windows build, yay). I could understand the issue with the 
> dos paths, but not with the UNC paths. I have a feeling this may 
> actually be a python issue?
>
> Error is below.
>
> Cheers,
>
> Ryan
>
>
> Processing changed file Documents and Settings/ryan/Local 
> Settings/Temp/test_dir_980382089/deep1/deep1_1/deep1_1_1/deep1_1_1_1/deep1_1_1_1_1/deep1_1_1_1_1_1/deep1_1_1_1_1_1_1/deep1_1_1_1_1_1_1_1 
>
> Exception '[Error 206] The filename or extension is too long: 
> '\\\\127.0.0.1\\c$\\Documents and Settings\\ryan\\Local 
> Settings\\Temp\\test_dir_2042584358/rdiff-backup-data/increments/Documents 
> and Settings/ryan/Local 
> Settings/Temp/test_dir_980382089/deep1/deep1_1/deep1_1_1/deep1_1_1_1/deep1_1_1_1_1/deep1_1_1_1_1_1/deep1_1_1_1_1_1_1'' 
> raised of class '<type 'exceptions.WindowsError'>':
>  File "rdiff_backup\Main.pyc", line 302, in error_check_Main
>  File "rdiff_backup\Main.pyc", line 322, in Main
>  File "rdiff_backup\Main.pyc", line 278, in take_action
>  File "rdiff_backup\Main.pyc", line 344, in Backup
>  File "rdiff_backup\backup.pyc", line 38, in Mirror
>  File "rdiff_backup\backup.pyc", line 232, in patch
>  File "rdiff_backup\rorpiter.pyc", line 284, in __call__
>  File "rdiff_backup\backup.pyc", line 622, in start_process
>  File "rdiff_backup\longname.pyc", line 203, in get_mirror_inc_rps
>  File "rdiff_backup\longname.pyc", line 189, in find_inc_pair
>  File "rdiff_backup\longname.pyc", line 128, in check_new_index
>  File "rdiff_backup\longname.pyc", line 111, in wrap_call
>  File "rdiff_backup\longname.pyc", line 122, in make_parent
>  File "rdiff_backup\rpath.pyc", line 964, in makedirs
>  File "os.pyc", line 171, in makedirs
>
> Traceback (most recent call last):
>  File "rdiff-backup", line 23, in <module>
>  File "rdiff_backup\Main.pyc", line 302, in error_check_Main
>  File "rdiff_backup\Main.pyc", line 322, in Main
>  File "rdiff_backup\Main.pyc", line 278, in take_action
>  File "rdiff_backup\Main.pyc", line 344, in Backup
>  File "rdiff_backup\backup.pyc", line 38, in Mirror
>  File "rdiff_backup\backup.pyc", line 232, in patch
>  File "rdiff_backup\rorpiter.pyc", line 284, in __call__
>  File "rdiff_backup\backup.pyc", line 622, in start_process
>  File "rdiff_backup\longname.pyc", line 203, in get_mirror_inc_rps
>  File "rdiff_backup\longname.pyc", line 189, in find_inc_pair
>  File "rdiff_backup\longname.pyc", line 128, in check_new_index
>  File "rdiff_backup\longname.pyc", line 111, in wrap_call
>  File "rdiff_backup\longname.pyc", line 122, in make_parent
>  File "rdiff_backup\rpath.pyc", line 964, in makedirs
>  File "os.pyc", line 171, in makedirs
> WindowsError: [Error 206] The filename or extension is too long: 
> '\\\\127.0.0.1\\c$\\Documents and Settings\\ryan\\Local 
> Settings\\Temp\\test_dir_2042584358/rdiff-backup-data/increments/Documents 
> and Settings/ryan/Local 
> Settings/Temp/test_dir_980382089/deep1/deep1_1/deep1_1_1/deep1_1_1_1/deep1_1_1_1_1/deep1_1_1_1_1_1/deep1_1_1_1_1_1_1' 
>
>
>
>
>
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