*** This bug is a duplicate of bug 1252484 ***
    https://bugs.launchpad.net/bugs/1252484

Good news! I've confirmed this is the same underlying issue as bug
1252484 (which I will mark this bug a duplicate of). This is just one of
its symptoms. I've attached the file 'test5.sh' which when run like 'sh
test5.sh' should reliably reproduce this exception.

This bug has been fixed in duplicity trunk (and Ubuntu 13.10+). The fix
will be in the upcoming duplicity 0.6.23 release.

I've prepared fixes for older Ubuntu releases, but the updates need
testers before they can be released to everyone. If you are an Ubuntu
user of an older release, please go to bug 1252484 and follow the
instructions for testing the update. Thanks!

** Attachment added: "test5.sh"
   
https://bugs.launchpad.net/duplicity/+bug/662442/+attachment/3925044/+files/test5.sh

** This bug has been marked a duplicate of bug 1252484
   Possible data loss when restarting in the middle of a deleted file

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https://bugs.launchpad.net/bugs/662442

Title:
  restore fails with "librsync error 103 while in patch cycle"

Status in Duplicity - Bandwidth Efficient Encrypted Backup:
  Confirmed
Status in “duplicity” package in Ubuntu:
  Confirmed

Bug description:
  I'm doing a trial restore from an sftp backup, and it fails like so:

  Writing 
.bazaar/plugins/svn/backup.bzr/repository/packs/5e32df252c6c9b80b70d63cab2a52f1a.pack
 of type reg
  Deleting /tmp/duplicity-4I6eKU-tempdir/mktemp-B5f55D-4
  Processed volume 2 of 2531
  Running 'sftp  -oServerAliveInterval=15 -oServerAliveCountMax=2 mbp@grace' 
(attempt #1)
  sftp command: 'get 
"/backup/lithe/home_mbp.duplicity//duplicity-inc.20100210T222519Z.to.20100429T235919Z.vol2.difftar.gz"
 "/tmp/duplicity-4I6eKU-tempdir/mktemp-7d1sNq-22"'
  Writing .bazaar/plugins/svn/backup.bzr/repository/upload of type dir
  ......
  Writing .byobu/status of type reg
  Writing .byobu/windows of type reg
  python: ERROR: (rs_file_copy_cb) unexpected eof on fd23
  python: ERROR: (rs_job_complete) patch job failed: unexpected end of input
  Traceback (most recent call last):
    File "/home/mbp/work/duplicity/duplicity-bin", line 1245, in <module>
      with_tempdir(main)
    File "/home/mbp/work/duplicity/duplicity-bin", line 1238, in with_tempdir
      fn()
    File "/home/mbp/work/duplicity/duplicity-bin", line 1192, in main
      restore(col_stats)
    File "/home/mbp/work/duplicity/duplicity-bin", line 539, in restore
      restore_get_patched_rop_iter(col_stats)):
    File "/home/mbp/work/duplicity/duplicity/patchdir.py", line 520, in 
Write_ROPaths
      for ropath in rop_iter:
    File "/home/mbp/work/duplicity/duplicity/patchdir.py", line 493, in 
integrate_patch_iters
      final_ropath = patch_seq2ropath( normalize_ps( patch_seq ) )
    File "/home/mbp/work/duplicity/duplicity/patchdir.py", line 473, in 
patch_seq2ropath
      misc.copyfileobj( current_file, tempfp )
    File "/home/mbp/work/duplicity/duplicity/misc.py", line 166, in copyfileobj
      buf = infp.read(blocksize)
    File "/home/mbp/work/duplicity/duplicity/librsync.py", line 80, in read
      self._add_to_outbuf_once()
    File "/home/mbp/work/duplicity/duplicity/librsync.py", line 94, in 
_add_to_outbuf_once
      raise librsyncError(str(e))
  librsyncError: librsync error 103 while in patch cycle

  ~/work/duplicity/duplicity-bin -v7 --no-encrypt restore  ~/tmp/grace-
  restore  30.59s user 5.18s system 49% cpu 1:11.81 total

  Using the tip of the 0.6 branch on Ubuntu Maverick.

  I think I've seen this once before too.

  The 'unexpected eof' error suggests that one of the increment files
  could be truncated, but that doesn't seem likely: I haven't had any
  filesystem problems, and at the gzip level all of them seem to be ok.

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