[Bug 804312] [NEW] Please provide a option to continue failed upgrades with the in-place upgrader

[Michael Vogt]

Public bug reported:

The release upgrader is writing a file /var/log/dist-upgrade/apt-
clone_system_state.tar.gz.  It would be nice if ubiquity would be able
to detect the presence of those files and use it as a apt-clone source
file for the reinstall-but-preserve-home setting.

This would be useful if the in-place upgrade failed for some reason. The user would then have a pretty good recovery option to finish the upgrade (but just doing a install and then restoring the clone information). Maybe as a option during the install like:
"A upgrade attempt from $date was found, would you like to finish this upgrade now?"

If any features in the release upgrader are required to make your life
easier, I will be happy to add them. E.g. writing a "successful" stamp
at the end of the upgrade or renaming apt-clone_system_state.tar.gz to
${from_distro}_system-state.tgz or something like this (apt-clone info
will actually contain the info though).

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/804312

Title:
  Please provide a option to continue failed upgrades  with the in-place
  upgrader

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  The release upgrader is writing a file /var/log/dist-upgrade/apt-
  clone_system_state.tar.gz.  It would be nice if ubiquity would be able
  to detect the presence of those files and use it as a apt-clone source
  file for the reinstall-but-preserve-home setting.

  This would be useful if the in-place upgrade failed for some reason. The user would then have a pretty good recovery option to finish the upgrade (but just doing a install and then restoring the clone information). Maybe as a option during the install like:
  "A upgrade attempt from $date was found, would you like to finish this upgrade now?"

  If any features in the release upgrader are required to make your life
  easier, I will be happy to add them. E.g. writing a "successful" stamp
  at the end of the upgrade or renaming apt-clone_system_state.tar.gz to
  ${from_distro}_system-state.tgz or something like this (apt-clone info
  will actually contain the info though).

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