[Duplicity-tracker] [bug #22347] Incremental backup with missing backup file switches to full backup

[anonymous]

URL:
  <http://savannah.nongnu.org/bugs/?22347>

                 Summary: Incremental backup with missing backup file
switches to full backup
                 Project: duplicity
            Submitted by: None
            Submitted on: Sunday 02/17/2008 at 19:32 UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

I would like to do incremental backups based only on the signatures.  But
Duplicity switches to the full backup if it cannot find the previous backup
sets (despite their signatures are available).

The patch works right for me either if there is
  return col_stats.other_sig_chains[0]
or
  return col_stats.other_sig_chains[-1]
so I expect there is something wrong with it.

But check_sig_chain() should not touch matched_chain_pair at all as it should
care only of the _signatures_.




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File Attachments:


-------------------------------------------------------
Date: Sunday 02/17/2008 at 19:32 UTC  Name: script  Size: 639B   By: None
Reproducer + patch fixing it.
<http://savannah.nongnu.org/bugs/download.php?file_id=15054>
-------------------------------------------------------
Date: Sunday 02/17/2008 at 19:32 UTC  Name: duplicity-incremental.patch 
Size: 979B   By: None
Reproducer + patch fixing it.
<http://savannah.nongnu.org/bugs/download.php?file_id=15055>

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