[Bug 772052] Re: DistUpgradeApport.py doesn't check for 0 byte files

[Ubuntu QA's Bug Bot]

** Tags added: testcase

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https://bugs.launchpad.net/bugs/772052

Title:
  DistUpgradeApport.py doesn't check for 0 byte files

Status in “update-manager” package in Ubuntu:
  Fix Released
Status in “update-manager” source package in Natty:
  Fix Released

Bug description:
  Binary package hint: update-manager

  TEST CASE:
  - regression test should be enough as its not clear what the best way to trigger this problem is
    the fix is  pretty trivial 

  I've seen multiple bug reports with an attachment named
  VarLogDistUpgradeTermlog.gz that is 37 bytes and contains no data.
  (See bug 701317 for an example)  I believe update-manager creates this
  log file (term.log) before actually writing to it so we have a 0 byte
  file.  Then if update-manager crashes (when doing a distribution
  upgrade) all the files in /var/log/dist-upgrade are passed to apport
  and added to bug reports as attachments.  Then when trying to work
  with these attachments in Launchpad we receive an unexpected end of
  file.

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