[rdiff-backup-users] Problem restoring files overwriting existing files

[Gerard van Dijnsen]

Hi all,

I think I ran into a bug. Restoring a simple file works ok like this:

mkdir original
echo bla > original/file
rdiff-backup original/ backup
rdiff-backup -r now backup/file file

The file is created, backed-up fine and restored without problems. 
Trying this restore again yields a warning as expected:

rdiff-backup -r now backup/file file
Fatal Error: Restore target file already exists, specify --force to 
overwrite.

So far so good. So we use the --force option because we would like to 
overwrite. This yields the following:

rdiff-backup --force -r now backup/file file
Traceback (most recent call last):
 File "/usr/bin/rdiff-backup", line 23, in ?
   rdiff_backup.Main.Main(sys.argv[1:])
 File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 
286, in Main
   take_action(rps)
 File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 
266, in take_action
   elif action == "restore-as-of": Restore(rps[0], rps[1], 1)
 File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 
493, in Restore
   restore_set_fs_globals(dest_rp)
 File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 
531, in restore_set_fs_globals
   target_fsa = target.conn.fs_abilities.get_fsabilities_readwrite(
 File "/usr/lib/python2.4/site-packages/rdiff_backup/fs_abilities.py", 
line 408, in get_fsabilities_readwrite
   return FSAbilities(desc_string).init_readwrite(
 File "/usr/lib/python2.4/site-packages/rdiff_backup/fs_abilities.py", 
line 139, in init_readwrite
   assert not rbdir.lstat(), (rbdir.path, rbdir.lstat())
AssertionError: ('file', 'reg')


I tried several times, under several conditions and I always get this 
problem. I think it is a bug. Is there a workaround? Or a fix upcoming?

Sincerely,
Gerard

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