In summary, the fix that has been checked in prevents the failure mode described in this bug by detecting the low-disk space condition and showing a dialog before updating (this is a fix backported from Karmic update-manager). It also clears out the apt cache after an update so that the disk space used during the update process is returned to the user once the update is complete.
In summary, the fix that has been checked in prevents the failure mode described in this bug by detecting the low-disk space condition and showing a dialog before updating (this is a fix backported from Karmic update-manager). It also clears out the apt cache after an update so that the disk space used during the update process is returned to the user once the update is complete.