[Bug 442456] Re: do-release-upgrade should check for free space in the actual paths where it's needed

[bsh]

still not working...
tried a "do-release-upgrade -d" from 10.04 to 12.04, the / filesystem is 6.0G (5.7), of which 3.6G is used. the release upgrade failed, because it ran out of space halfways, rendering the system unusable, and with a lot of leftover mess.
the script should REALLY check for enough space for it to complete.

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Title:
  do-release-upgrade should check for free space in the actual paths
  where it's needed

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

Bug description:
  Binary package hint: update-manager

  When running 'do-release-upgrade -d', it complains about not enough
  space in /var (978 MB needed). I didn't want to repartition so by
  suggestion of NoelJB and several others (thanks), I symlinked
  /var/cache/apt and /var/tmp to new directories (root filesystem, 2.2
  GB available, see attachment). The upgrade failed with the same
  complaint about needing more space in '/var'.

  ProblemType: Bug
  Architecture: i386
  DistroRelease: Ubuntu 9.04
  NonfreeKernelModules: nvidia
  Package: update-manager-core 1:0.111.9
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Uname: Linux 2.6.31-020631-generic i686
  UnreportableReason: This is not a genuine Ubuntu package

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