[Bug 773172] Re: corrupted filesystem tarfile - corrupted package archive

[Majal Abe Mirasol]

If a package is broken, usually due to internet connection/download
problems, I would usually delete the problematic package, eg:

sudo rm /VAR/CACHE/APT/ARCHIVES/PYTHON-QT4_4.8.3-2_AMD64.DEB

after that, running:

sudo apt-get -f install
or
reinstalling the program by command line

would solve the problem where apt-get would download a new copy of the
package.

What I would like to suggest is that, during problems like these
(damaged packages, error returns), apt-get could be set to first check
the integrity (checksum/signature) of the problematic package, comparing
it to the online signature, and if it is found to be different, a new
copy could be automatically downloaded from the repos and installed.
Just a suggestion, but I totally don't know the security/other concerns
surrounding that implementation.

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https://bugs.launchpad.net/bugs/773172

Title:
  corrupted filesystem tarfile - corrupted package archive

Status in “update-manager” package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: update-manager

  '/VAR/CACHE/APT/ARCHIVES/PYTHON-QT4_4.8.3-2_AMD64.DEB' package may not
  be in working state.  could not install'/VAR/CACHE/APT/ARCHIVES
  /PYTHON-QT4_4.8.3-2_AMD64.DEB'

  Note well:

  While comment #1 will resolve the immediate issue - it is possible
  that the package became corrupted on your system due to filesystem or
  memory corruption so one should run an fsck on your filesystem and a
  memory test.

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